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

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
320
FZUS54 KLIX 250453
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1153 PM CDT Thu Jul 24 2025

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-GMZ501-251715-
1153 PM CDT Thu Jul 24 2025

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

A weak area of low pressure will continue to move westward through
the northwestern Gulf Friday. Scattered to numerous thunderstorms
are expected through Saturday, as tropical moisture will be across
the waters. Conditions will improve Sunday and into the first part of
the work week.

$$

GMZ530-251715-
Lake Pontchartrain and Lake Maurepas-
1153 PM CDT Thu Jul 24 2025

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less, then 1 to 2 feet. A chance of showers and thunderstorms.
.FRIDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots in the afternoon. Waves around
2 feet. Showers and thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Waves around 2 feet. A chance of showers
and thunderstorms, mainly in the evening.
.SATURDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. Showers likely with a chance of
thunderstorms in the morning, then showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...South winds around 5 knots. Waves 1 foot or less.
.SUNDAY...Southeast winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less.
.MONDAY...Northwest winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Waves 1 foot or less,
then 1 to 2 feet after midnight.
.TUESDAY...Northwest winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Northwest winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-251715-
Lake Borgne-
1153 PM CDT Thu Jul 24 2025

.REST OF TONIGHT...Southeast winds around 10 knots. Waves around
2 feet. A slight chance of showers and thunderstorms late this
evening, then a chance of showers and thunderstorms.
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. Showers and
thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots. Waves around 2 feet. A
chance of showers and thunderstorms.
.SATURDAY...South winds around 10 knots. Waves around 2 feet.
Showers and thunderstorms.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.SUNDAY...Southeast winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less.
.MONDAY...Northwest winds 5 to 10 knots, diminishing to around
5 knots in the afternoon. Waves 1 foot or less. A slight chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet after midnight.
.TUESDAY...Northwest winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...West winds around 5 knots, becoming north after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-251715-
Mississippi Sound-
1153 PM CDT Thu Jul 24 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms late this evening, then showers
and thunderstorms likely late.
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. Showers and
thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms.
.SATURDAY...South winds around 10 knots. Waves around 2 feet.
Thunderstorms likely. Showers.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet in
the evening, then 1 foot or less.
.SUNDAY...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.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves around 2 feet.
.MONDAY...Northwest winds 5 to 10 knots, becoming west in the
afternoon. Waves 1 to 2 feet.
.MONDAY NIGHT...West winds 5 to 10 knots, becoming northwest after
midnight. Waves around 2 feet.
.TUESDAY...North winds 5 to 10 knots, becoming northwest in the
afternoon. Waves around 2 feet in the morning, then 1 foot or less.
A slight chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Waves 1 foot or
less. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-251715-
Chandeleur Sound-Breton Sound-
1153 PM CDT Thu Jul 24 2025

.REST OF TONIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms late this evening, then showers
and thunderstorms likely late.
.FRIDAY...South winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Waves 3 to 4 feet. Showers and thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms.
.SATURDAY...South winds around 10 knots. Waves around 2 feet.
Showers and thunderstorms.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet in
the evening, then 1 foot or less. A slight chance of showers and
thunderstorms.
.SUNDAY...South winds around 5 knots. Waves 1 foot or less. A slight
chance of showers and thunderstorms.
.SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less, then 1 to 2 feet after midnight.
.MONDAY...Northwest winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.MONDAY NIGHT...West winds 5 to 10 knots, becoming northwest after
midnight. Waves 1 to 2 feet. A slight chance of showers and
thunderstorms after midnight.
.TUESDAY...North winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms in the evening,
then a chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-251715-
Coastal Waters from Boothville LA to Southwest Pass of the
Mississippi River out 20 nm-
Coastal waters from Pascagoula Mississippi to Stake Island out 20 NM-
1153 PM CDT Thu Jul 24 2025

.REST OF TONIGHT...South winds around 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds.
A chance of showers and thunderstorms late this evening, then
showers and thunderstorms likely late.
.FRIDAY...South winds around 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet
at 5 seconds. Showers and thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds. A
chance of showers and thunderstorms.
.SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. Thunderstorms likely.
Showers.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms.
.SUNDAY...Southeast winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A slight chance of showers
and thunderstorms.
.SUNDAY NIGHT...Southwest winds around 5 knots, becoming west after
midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at
7 seconds and west 1 foot at 2 seconds.
.MONDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and northwest 1 foot at
3 seconds. A slight chance of showers and thunderstorms in the
morning.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 7 seconds and west 1 foot at
2 seconds. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at
6 seconds. A slight chance of showers and thunderstorms in the
morning.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-251715-
Coastal Waters from Port Fourchon LA to Lower Atchafalaya River LA
out 20 nm-
Coastal waters from the Southwest Pass of the Mississippi River to
Port Fourchon Louisiana out 20 NM-
1153 PM CDT Thu Jul 24 2025

.REST OF TONIGHT...Southeast winds 10 to 15 knots. Seas 1 foot or
less, then 2 to 3 feet. Wave Detail: Southeast 1 foot at 3 seconds,
becoming southeast 2 feet at 4 seconds. A chance of showers and
thunderstorms late this evening, then showers and thunderstorms
likely.
.FRIDAY...South winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas 2 to 4 feet, occasionally to 5 feet. Wave
Detail: South 4 feet at 5 seconds. Showers and thunderstorms.
.FRIDAY 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 3 feet at 5 seconds. A chance of showers and thunderstorms.
.SATURDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at
5 seconds. Thunderstorms likely. Showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers. A
slight chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds around 5 knots, becoming southwest after
midnight. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at
7 seconds.
.MONDAY...Northwest winds around 5 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. A slight chance of showers
and thunderstorms.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of
showers and thunderstorms after midnight.
.TUESDAY...North winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail:
Northwest 2 feet at 3 seconds and southeast 1 foot at 6 seconds. A
chance of showers and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-251715-
Coastal Waters from Stake Island LA to Southwest Pass of the
Mississippi River from 20 to 60 nm-
Coastal waters from Pascagoula Mississippi to Stake Island Louisiana
out 20 to 60 NM-
1153 PM CDT Thu Jul 24 2025

.REST OF TONIGHT...South winds 15 to 20 knots. Seas around 2 feet,
building to 3 to 4 feet, occasionally to 5 feet. Wave Detail:
Southeast 2 feet at 4 seconds, becoming south 4 feet at 5 seconds.
Showers and thunderstorms likely late this evening, then a chance of
showers and thunderstorms. Showers and thunderstorms likely late.
.FRIDAY...South winds around 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: South 3 feet
at 5 seconds. Showers and thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: South 3 feet at 5 seconds. A
chance of showers and thunderstorms.
.SATURDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. Thunderstorms likely.
Showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds and southwest 2 feet at
6 seconds. A slight chance of showers and thunderstorms.
.SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds and southwest 1 foot at
5 seconds. A slight chance of showers and thunderstorms in the
morning.
.SUNDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
7 seconds.
.MONDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and southeast 2 feet at
7 seconds. A slight chance of showers and thunderstorms.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: North 2 feet at 4 seconds and southeast 2 feet at
7 seconds. A chance of showers and thunderstorms after midnight.
.TUESDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 4 seconds and southeast 1 foot at
6 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-251715-
Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya
River LA from 20 to 60 NM-
Coastal waters from Southwest Pass of the Mississippi River to Port
Fourchon Louisiana from 20 to 60 NM-
1153 PM CDT Thu Jul 24 2025

.REST OF TONIGHT...Southeast winds 10 to 15 knots, becoming south
15 to 20 knots late. Seas 2 to 4 feet, occasionally to 5 feet. Wave
Detail: Southeast 3 feet at 4 seconds. A chance of showers and
thunderstorms late this evening, then showers and thunderstorms
likely.
.FRIDAY...South winds 15 to 20 knots. Seas 3 to 4 feet, occasionally
to 5 feet. Wave Detail: South 3 feet at 5 seconds. Showers and
thunderstorms.
.FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail:
South 3 feet at 5 seconds. A chance of showers and thunderstorms.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Southeast 3 feet at 5 seconds.
A chance of thunderstorms. Showers.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of showers
and thunderstorms after midnight.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds and southwest 1 foot at
5 seconds. A chance of showers. A chance of thunderstorms, mainly in
the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
7 seconds.
.MONDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. A slight chance of showers
and thunderstorms.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of
showers and thunderstorms after midnight.
.TUESDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 2 feet at 4 seconds and southeast 1 foot at 6 seconds.
A chance of showers and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less. A chance of showers and
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$