Coastal Waters Forecast
Issued by NWS New Orleans/Baton Rouge, LA

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406
FZUS54 KLIX 220611
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
111 AM CDT Wed Jul 22 2026

Pascagoula to Atchafalaya River out to 60 NM

Seas are provided as a range of the average height of the highest
1/3 of the waves...along with the occasional height of the average
highest 10 percent of the waves.

GMZ500-GMZ501-221900-
111 AM CDT Wed Jul 22 2026

.SYNOPSIS FOR PASCAGOULA TO ATCHAFALAYA RIVER OUT 60 NM...

The center of Tropical Storm Bertha will move west along the
Louisiana gulf coast today through Thursday. As the system moves
over our local waters, expect winds and seas to increase with
tropical storm conditions possible for most if not all the local
waters. The system will move west of the region Thursday and
conditions should improve going into the upcoming weekend.

$$

GMZ529-221900-
Lake Maurepas-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WATCH IN EFFECT...

.REST OF TONIGHT...North winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...North winds 10 to 15 knots with gusts up to 30 knots.
Seas 2 to 3 feet. A slight chance of showers and thunderstorms in
the afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots. Seas 3 to 4 feet, occasionally to 5 feet. Showers likely
early in the evening. A chance of thunderstorms in the evening. A
chance of showers in the late evening and overnight.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas 2 to 3 feet. A chance of showers. A chance of
thunderstorms in the late morning and afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet in the
evening, then 1 foot or less. A chance of showers and thunderstorms
early in the evening.
.FRIDAY...South winds around 5 knots. Seas 1 foot or less. A slight
chance of showers in the morning. A slight chance of thunderstorms
late in the morning, then a chance of showers and thunderstorms in
the afternoon.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A chance of showers and thunderstorms early in the evening.
.SATURDAY...Southwest winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms early in the
evening.
.SUNDAY...West winds around 5 knots. Seas 1 foot or less.
.SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ531-221900-
Lake Pontchartrain-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...North winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet.
.WEDNESDAY...North winds 10 to 15 knots, becoming northeast 15 to
20 knots in the afternoon. Gusts up to 35 knots. Seas 3 to 4 feet,
occasionally to 5 feet. A chance of showers and thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...East winds 15 to 20 knots with gusts up to
30 knots. Seas 3 to 4 feet, occasionally to 5 feet. A chance of
showers and thunderstorms in the evening, then showers likely with a
slight chance of thunderstorms after midnight.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas 2 to 3 feet. A chance of showers with a slight chance
of thunderstorms early in the morning, then a chance of showers and
thunderstorms in the late morning and afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. A chance of showers and
thunderstorms early in the evening.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers in the morning. A slight chance of thunderstorms
late in the morning, then a chance of showers and thunderstorms in
the afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. A chance of showers and
thunderstorms early in the evening.
.SATURDAY...Southwest winds around 5 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ532-221900-
Mississippi Sound-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions possible. North winds
20 to 25 knots with gusts up to 30 knots. Waves 4 to 5 feet. A
chance of showers with a slight chance of thunderstorms.
.WEDNESDAY...Tropical storm conditions possible. Northeast winds
20 to 25 knots, becoming east 25 to 30 knots in the afternoon. Waves
4 to 5 feet. A chance of showers and thunderstorms in the morning,
then showers and thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions possible. Southeast
winds 20 to 25 knots with gusts up to 35 knots. Waves 4 to 5 feet. A
chance of showers. A chance of thunderstorms, mainly in the evening.
.THURSDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Waves 3 to 4 feet. A chance of showers. A slight chance of
thunderstorms early in the morning, then a chance of thunderstorms
in the late morning and afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Waves 2 to 3 feet. A chance of showers and thunderstorms
early in the evening, then a slight chance of thunderstorms late in
the evening. A slight chance of showers in the late evening and
overnight.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots in the afternoon. Waves 2 to
3 feet. A slight chance of showers early in the morning, then a
slight chance of showers and thunderstorms in the late morning and
early afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
.SATURDAY...West winds 5 to 10 knots, becoming southwest 10 to
15 knots with gusts up to 20 knots in the afternoon. Waves 2 to
3 feet.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY...West winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots.
Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ533-221900-
Lake Salvador and Lake Cataouatche-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Northwest winds 5 to 10 knots with gusts up to
20 knots. Seas around 2 feet.
.WEDNESDAY...Tropical storm conditions possible. North winds 10 to
15 knots with gusts up to 30 knots, increasing to 25 to 30 knots
with gusts up to 40 knots in the afternoon. Seas 2 to 3 feet,
building to 3 to 5 feet, occasionally to 6 feet in the afternoon. A
slight chance of showers and thunderstorms late in the morning. A
chance of showers and thunderstorms early in the afternoon, then
showers and thunderstorms likely late.
.WEDNESDAY NIGHT...Tropical storm conditions expected. East winds
35 to 40 knots with gusts up to 50 knots, becoming southeast 15 to
20 knots with gusts up to 25 knots after midnight. Seas 4 to 6 feet,
occasionally to 8 feet, subsiding to 2 to 3 feet after midnight. A
chance of thunderstorms in the evening. Showers likely. A slight
chance of thunderstorms after midnight.
.THURSDAY...South winds 10 to 15 knots with gusts up to 25 knots.
Seas 2 to 3 feet. A chance of showers. A slight chance of
thunderstorms early in the morning, then a chance of thunderstorms
in the late morning and afternoon.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. A chance of showers and
thunderstorms early in the evening.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. A slight chance of showers early in
the morning, then a slight chance of showers and thunderstorms in
the late morning and afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 1 foot or less. A slight chance of showers and
thunderstorms early in the evening.
.SATURDAY...Southwest winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.SUNDAY...West winds around 5 knots, becoming southwest in the
afternoon. Seas 1 foot or less.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ534-221900-
Lake Borgne-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 4 feet.
.WEDNESDAY...Tropical storm conditions expected. North winds 20 to
25 knots with gusts up to 35 knots, becoming northeast 30 to
35 knots with gusts up to 50 knots in the afternoon. Waves 4 to
6 feet. A slight chance of showers and thunderstorms early in the
morning, then a chance of showers and thunderstorms late in the
morning. Showers and thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions expected. Southeast
winds 30 to 35 knots with gusts up to 50 knots, diminishing to 20 to
25 knots with gusts up to 30 knots after midnight. Waves 4 to
5 feet. A chance of thunderstorms in the evening. Showers likely. A
slight chance of thunderstorms after midnight.
.THURSDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Waves 3 to 4 feet. A slight chance of showers and thunderstorms
early in the morning, then a chance of showers and thunderstorms in
the late morning and afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Waves around
2 feet. A chance of showers and thunderstorms early in the evening,
then a slight chance of showers in the late evening and early
morning.
.FRIDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
A slight chance of showers and thunderstorms early in the evening.
.SATURDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
2 feet.
.SUNDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.SUNDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ535-221900-
Breton Sound-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions expected. North winds
20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 1 foot at 2 seconds. A
slight chance of showers and thunderstorms, then a chance of showers
and thunderstorms late.
.WEDNESDAY...Tropical storm conditions expected. North winds 30 to
35 knots with gusts up to 50 knots, becoming east 35 to 40 knots
with gusts up to 60 knots in the afternoon. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: North 1 foot at 2 seconds. A
chance of thunderstorms in the morning. Showers. Thunderstorms
likely in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions expected. Southeast
winds 30 to 40 knots with gusts up to 55 knots, becoming south 20 to
25 knots with gusts up to 30 knots after midnight. Seas 5 to 6 feet,
occasionally to 8 feet. Showers and thunderstorms likely, mainly in
the evening.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 3 to
5 feet, occasionally to 6 feet. A slight chance of showers and
thunderstorms early in the morning, then a chance of showers and
thunderstorms late in the morning. A slight chance of showers and
thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 2 to
3 feet. A slight chance of thunderstorms early in the evening. A
slight chance of showers.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ536-221900-
Chandeleur Sound-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions expected. North winds
20 to 25 knots with gusts up to 35 knots. Waves around 5 feet. A
slight chance of showers and thunderstorms, then a chance of showers
and thunderstorms late.
.WEDNESDAY...Tropical storm conditions expected. Northeast winds
30 to 40 knots, becoming east in the afternoon. Gusts up to
55 knots. Waves 5 to 7 feet. A chance of thunderstorms. Showers.
.WEDNESDAY NIGHT...Tropical storm conditions expected. Southeast
winds 30 to 35 knots with gusts up to 50 knots, becoming south 20 to
25 knots with gusts up to 30 knots after midnight. Waves around
5 feet. A chance of showers.
.THURSDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Waves 3 to 5 feet. A chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of thunderstorms in the evening. A slight chance of
showers.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots in the afternoon. Waves 2 to
3 feet. A slight chance of showers early in the morning.
.FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, becoming southwest 5 to 10 knots after midnight. Waves
around 2 feet.
.SATURDAY...Southwest winds 5 to 10 knots. Waves around 2 feet.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY...West winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots.
Waves around 3 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ541-221900-
Terrebonne Bay-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Northwest winds 15 to 20 knots with gusts up to
30 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at
2 seconds.
.WEDNESDAY...Tropical storm conditions expected. Northwest winds
15 to 20 knots with gusts up to 30 knots, increasing to 35 to
40 knots with gusts up to 50 knots in the afternoon. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 2 seconds. A slight chance of
showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions expected. West winds
35 to 40 knots, becoming south 30 to 35 knots after midnight. Gusts
up to 55 knots. Seas 1 to 2 feet. Showers and thunderstorms early in
the evening, then showers with a chance of thunderstorms in the late
evening and overnight.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas
around 2 feet in the morning, then 1 foot or less. Wave Detail:
South 1 foot at 2 seconds. A chance of thunderstorms. A chance of
showers.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 1 foot or less. A chance of showers
and thunderstorms early in the evening, then a slight chance of
thunderstorms late in the evening. A slight chance of showers in the
late evening and overnight.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers in the morning.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.SUNDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots after midnight. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ543-221900-
Barataria Bay-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Northwest winds 10 to 15 knots with gusts up to
30 knots. Seas 1 foot or less. A slight chance of showers and
thunderstorms, then a chance of showers and thunderstorms late.
.WEDNESDAY...Tropical storm conditions expected. Northwest winds
30 to 35 knots with gusts up to 55 knots. Seas 1 foot or less. A
chance of showers and thunderstorms in the morning, then showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions expected. South winds
35 to 40 knots with gusts up to 55 knots, diminishing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 1 foot or
less. Showers with thunderstorms likely in the evening, then a
chance of showers and thunderstorms after midnight.
.THURSDAY...South winds 15 to 20 knots with gusts up to 30 knots.
Seas 1 foot or less. A slight chance of showers and thunderstorms
early in the morning, then a chance of showers and thunderstorms in
the late morning and afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Seas 1 foot
or less. A chance of showers and thunderstorms early in the evening,
then a slight chance of thunderstorms late in the evening. A slight
chance of showers in the late evening and overnight.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. A slight
chance of showers in the morning.
.FRIDAY NIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas 1 foot or less.
.SATURDAY...Southwest winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less.
.SUNDAY...West winds around 5 knots, becoming southwest in the
afternoon. Seas 1 foot or less.
.SUNDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ551-221900-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions possible. Northwest
winds 20 to 25 knots with gusts up to 30 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: West 4 feet at 5 seconds. A
slight chance of showers and thunderstorms.
.WEDNESDAY...Tropical storm conditions expected. Northwest winds
20 to 25 knots with gusts up to 30 knots, increasing to 30 to
35 knots with gusts up to 50 knots in the afternoon. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at
5 seconds. A slight chance of showers and thunderstorms early in the
morning. A chance of showers and thunderstorms late in the morning,
then showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions expected. West winds
35 to 40 knots, becoming south 30 to 35 knots after midnight. Gusts
up to 55 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave
Detail: West 6 feet at 5 seconds. Showers with thunderstorms likely
in the evening, then showers with a chance of thunderstorms after
midnight.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally
to 8 feet. Wave Detail: South 6 feet at 7 seconds. A chance of
thunderstorms. A chance of showers.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 2 to 4 feet, occasionally to 5 feet.
Wave Detail: South 4 feet at 6 seconds and southwest 2 feet at
3 seconds. A slight chance of showers. A slight chance of
thunderstorms in the evening. A slight chance of thunderstorms late.
.FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet.
Wave Detail: Southwest 3 feet at 5 seconds. A slight chance of
showers and thunderstorms until late afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: South 1 foot at 5 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: South 1 foot at 5 seconds.
.SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: South 1 foot at
4 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ553-221900-
Coastal Waters from Southwest Pass of the Mississippi River to Port
Fourchon LA out 20 nm-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions possible. Northwest
winds 20 to 25 knots with gusts up to 35 knots. Seas 4 to 6 feet,
occasionally to 8 feet. Wave Detail: Northwest 5 feet at 6 seconds
and east 1 foot at 8 seconds. A chance of showers and thunderstorms.
.WEDNESDAY...Tropical storm conditions expected. Northwest winds
30 to 35 knots with gusts up to 50 knots, becoming west 35 to
45 knots with gusts up to 60 knots in the afternoon. Seas 4 to
6 feet, occasionally to 8 feet, building to 7 to 10 feet,
occasionally to 13 feet in the afternoon. Wave Detail: West 10 feet
at 7 seconds. Thunderstorms likely. Showers.
.WEDNESDAY NIGHT...Tropical storm conditions expected. South winds
35 to 45 knots with gusts up to 60 knots, diminishing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 9 to
12 feet, occasionally to 15 feet, subsiding to 7 to 10 feet,
occasionally to 13 feet after midnight. Wave Detail: Southwest
12 feet at 8 seconds. A chance of thunderstorms. Showers, mainly in
the evening.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to
8 feet, occasionally to 10 feet. Wave Detail: South 8 feet at
7 seconds. A chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 6 seconds. A slight chance of thunderstorms
early in the evening. A slight chance of showers.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Southwest 2 feet at 6 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 5 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Southwest 1 foot at
3 seconds and southeast 1 foot at 6 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ554-221900-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions. Northwest winds 35 to
40 knots with gusts up to 55 knots. Seas 5 to 8 feet, occasionally
to 10 feet. Wave Detail: Northeast 7 feet at 8 seconds and west
6 feet at 5 seconds. A chance of showers and thunderstorms, then
showers with thunderstorms likely late.
.WEDNESDAY...Tropical storm conditions expected. West winds 40 to
45 knots, becoming south in the afternoon. Gusts up to 60 knots.
Seas 7 to 10 feet, occasionally to 13 feet. Wave Detail: Southwest
10 feet at 7 seconds. Showers with thunderstorms likely until late
afternoon, then showers likely with a chance of thunderstorms late.
.WEDNESDAY NIGHT...Tropical storm conditions expected. South winds
30 to 40 knots with gusts up to 50 knots, diminishing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 6 to 9 feet,
occasionally to 11 feet. Wave Detail: South 9 feet at 8 seconds.
Showers likely with a chance of thunderstorms in the evening, then a
chance of showers with a slight chance of thunderstorms after
midnight.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to
7 feet, occasionally to 9 feet, subsiding to 3 to 5 feet,
occasionally to 6 feet in the afternoon. Wave Detail: South 7 feet
at 7 seconds. A slight chance of showers and thunderstorms until
late afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 6 seconds. A slight chance of showers in the
evening.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 6 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds and southwest 1 foot at
3 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
West 1 foot at 3 seconds and southeast 1 foot at 6 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots.
Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ557-221900-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions. North winds 30 to
40 knots with gusts up to 50 knots. Seas 7 to 10 feet, occasionally
to 13 feet. Wave Detail: Northeast 10 feet at 8 seconds. Showers
likely with a chance of thunderstorms.
.WEDNESDAY...Tropical storm conditions expected. East winds 35 to
40 knots, becoming southeast 30 to 40 knots in the afternoon. Gusts
up to 55 knots. Seas 9 to 13 feet, occasionally to 17 feet. Wave
Detail: Southeast 13 feet at 9 seconds. A chance of thunderstorms.
Showers likely until late afternoon, then a chance of showers late.
.WEDNESDAY NIGHT...Tropical storm conditions possible. South winds
25 to 30 knots with gusts up to 45 knots, diminishing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 6 to 9 feet,
occasionally to 11 feet, subsiding to 5 to 7 feet, occasionally to
9 feet after midnight. Wave Detail: South 9 feet at 9 seconds. A
chance of showers.
.THURSDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 6 feet
at 7 seconds. A slight chance of showers and thunderstorms early in
the morning, then a chance of showers and thunderstorms late in the
morning. A slight chance of showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
South 4 feet at 6 seconds. A slight chance of showers and
thunderstorms in the evening, then a slight chance of showers after
midnight.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 3 seconds and south 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 10 to 15 knots with gusts up to
20 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at
3 seconds and southeast 1 foot at 6 seconds.
.SUNDAY...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and south 1 foot at 6 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-221900-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions possible. West winds
20 to 25 knots with gusts up to 35 knots. Seas 5 to 7 feet,
occasionally to 9 feet. Wave Detail: West 7 feet at 6 seconds and
east 2 feet at 8 seconds. A chance of showers and thunderstorms.
.WEDNESDAY...Tropical storm conditions expected. West winds 20 to
25 knots with gusts up to 40 knots. Seas 6 to 8 feet, occasionally
to 10 feet. Wave Detail: West 8 feet at 7 seconds and east 2 feet at
8 seconds. Showers and thunderstorms.
.WEDNESDAY NIGHT...Tropical storm conditions expected. Southwest
winds 25 to 30 knots with gusts up to 40 knots. Seas 7 to 9 feet,
occasionally to 11 feet. Wave Detail: Southwest 8 feet at 7 seconds.
Thunderstorms likely in the evening. Showers. A chance of
thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots with gusts up to 35 knots. Seas 7 to 8 feet, occasionally
to 10 feet, subsiding to 5 to 7 feet, occasionally to 9 feet in the
afternoon. Wave Detail: Southwest 8 feet at 7 seconds. A chance of
showers and thunderstorms, mainly in the morning.
.THURSDAY NIGHT...South winds 15 to 20 knots, diminishing to 10 to
15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet.
Wave Detail: Southwest 5 feet at 6 seconds. A slight chance of
showers until early morning.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
Southwest 3 feet at 6 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
.SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: South 1 foot at
5 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ572-221900-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions possible. West winds
20 to 25 knots with gusts up to 35 knots. Seas 6 to 8 feet,
occasionally to 10 feet. Wave Detail: West 7 feet at 7 seconds and
northeast 3 feet at 8 seconds. Showers and thunderstorms likely.
.WEDNESDAY...Tropical storm conditions expected. West winds 25 to
35 knots. Gusts up to 50 knots in the afternoon. Seas 7 to 9 feet,
occasionally to 11 feet, building to 9 to 12 feet, occasionally to
15 feet in the afternoon. Wave Detail: Northeast 11 feet at
8 seconds and west 9 feet at 7 seconds. Showers with thunderstorms
likely.
.WEDNESDAY NIGHT...Tropical storm conditions expected. South winds
25 to 35 knots. Gusts up to 50 knots, decreasing to 35 knots after
midnight. Seas 9 to 11 feet, occasionally to 14 feet, subsiding to
8 to 9 feet, occasionally to 11 feet after midnight. Wave Detail:
Southwest 11 feet at 7 seconds. Showers with thunderstorms likely in
the evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 6 to
8 feet, occasionally to 10 feet, subsiding to 5 to 6 feet,
occasionally to 8 feet in the afternoon. Wave Detail: South 8 feet
at 7 seconds. A slight chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 7 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
Southwest 3 feet at 6 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds and west 2 feet at 6 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and west 1 foot at 5 seconds.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
.SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Southeast 2 feet at
6 seconds and southwest 1 foot at 3 seconds.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming west 10 to
15 knots after midnight. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-221900-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions. West winds 30 to
40 knots with gusts up to 50 knots. Seas 8 to 11 feet, occasionally
to 14 feet. Wave Detail: West 9 feet at 7 seconds and northeast
5 feet at 8 seconds. Showers with thunderstorms likely.
.WEDNESDAY...Tropical storm conditions expected. Southwest winds
30 to 40 knots with gusts up to 55 knots. Seas 10 to 14 feet,
occasionally to 18 feet. Wave Detail: Southwest 13 feet at 8 seconds
and west 9 feet at 7 seconds. Thunderstorms likely in the morning.
Showers. A chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions possible. South winds
25 to 30 knots with gusts up to 45 knots, diminishing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 9 to
12 feet, occasionally to 15 feet, subsiding to 8 to 9 feet,
occasionally to 11 feet after midnight. Wave Detail: Southwest
12 feet at 8 seconds. A chance of showers and thunderstorms, mainly
in the evening.
.THURSDAY...Tropical storm conditions possible. South winds 20 to
25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 6 to
8 feet, occasionally to 10 feet, subsiding to 5 to 6 feet,
occasionally to 8 feet in the afternoon. Wave Detail: South 8 feet
at 7 seconds. A slight chance of showers early in the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 7 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 6 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and west 1 foot at 6 seconds.
.SATURDAY...South winds around 5 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and west 1 foot at 5 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
West 1 foot at 3 seconds and southeast 1 foot at 6 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ577-221900-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
111 AM CDT Wed Jul 22 2026

...TROPICAL STORM WARNING IN EFFECT...

.REST OF TONIGHT...Tropical storm conditions. West winds 40 to
45 knots with gusts up to 60 knots. Seas 10 to 14 feet, occasionally
to 18 feet. Wave Detail: East 13 feet at 8 seconds and west 9 feet
at 6 seconds. Showers. A chance of thunderstorms, then thunderstorms
likely late.
.WEDNESDAY...Tropical storm conditions expected. South winds 40 to
45 knots, diminishing to 30 to 40 knots in the afternoon. Gusts up
to 60 knots, increasing to 55 knots in the afternoon. Seas 12 to
16 feet, occasionally to 20 feet. Wave Detail: South 16 feet at
9 seconds. Showers with thunderstorms likely in the morning, then a
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Tropical storm conditions possible. South winds
25 to 30 knots with gusts up to 40 knots, diminishing to 20 to
25 knots with gusts up to 30 knots after midnight. Seas 9 to
12 feet, occasionally to 15 feet, subsiding to 8 to 9 feet,
occasionally to 11 feet after midnight. Wave Detail: South 12 feet
at 9 seconds. A chance of showers and thunderstorms, mainly in the
evening.
.THURSDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Seas 6 to 8 feet, occasionally to 10 feet, subsiding to 5 to 6 feet,
occasionally to 8 feet in the afternoon. Wave Detail: South 8 feet
at 8 seconds. A slight chance of showers and thunderstorms late in
the morning.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 7 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 6 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds.
.SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 6 seconds.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds and south 2 feet at
6 seconds.
.SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail:
West 2 feet at 3 seconds and south 1 foot at 6 seconds.
.SUNDAY NIGHT...West winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$