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

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FZUS54 KLIX 222033
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
333 PM CDT Thu May 22 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-GMZ501-230930-
333 PM CDT Thu May 22 2025

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

A stalled front at the coast will keep winds light and variable
through Friday. By Saturday, more persistent onshore flow will
return, and continue into early next week. The threat for
thunderstorms is expected to increase early next week as well.

$$

GMZ530-230930-
Lake Pontchartrain and Lake Maurepas-
333 PM CDT Thu May 22 2025

.TONIGHT...Southeast winds 5 to 10 knots, becoming southwest after
midnight. Waves 1 foot or less.
.FRIDAY...North winds around 5 knots, becoming southeast around
5 knots in the afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY...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.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves 1 to 2 feet.
.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 in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet.
.MONDAY...South winds 5 to 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet in
the evening, then 1 foot or less. A chance of showers and
thunderstorms.
.TUESDAY...Southwest winds around 5 knots. Waves 1 foot or less. A
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.TUESDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or
less. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-230930-
Lake Borgne-
333 PM CDT Thu May 22 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Waves 1 foot or less.
.FRIDAY...North winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
.SATURDAY...South winds around 5 knots, increasing to around
10 knots in the afternoon. Waves 1 foot or less, then around 2 feet
in the afternoon. A slight chance of showers and thunderstorms in
the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet.
.SUNDAY...South winds 5 to 10 knots. Waves around 2 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves around 2 feet.
.MONDAY...South winds 10 to 15 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots. Waves around 2 feet. A
chance of showers and thunderstorms.
.TUESDAY...Southwest winds 5 to 10 knots. Waves 1 foot or less. A
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-230930-
Mississippi Sound-
333 PM CDT Thu May 22 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Waves around 2 feet this evening, then 1 foot or less.
.FRIDAY...North winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet.
.SATURDAY...South winds around 5 knots, increasing to around
10 knots in the afternoon. Waves 1 foot or less, then around 2 feet
in the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet.
.SUNDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots
with gusts up to 20 knots in the afternoon. Waves 2 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet.
.MONDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms.
.TUESDAY...South winds 5 to 10 knots. Waves around 2 feet. A chance
of thunderstorms. A chance of showers in the morning, then showers
likely in the afternoon.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet
in the evening, then 1 foot or less. A chance of showers and
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-230930-
Chandeleur Sound-Breton Sound-
333 PM CDT Thu May 22 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Waves 1 foot or less.
.FRIDAY...Northwest winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less.
.FRIDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet.
.SATURDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon.
.SATURDAY NIGHT...South winds around 10 knots. Waves around 2 feet.
.SUNDAY...South winds 5 to 10 knots. Waves 2 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet.
.MONDAY...South winds 10 to 15 knots. Waves 2 to 3 feet. A chance of
showers with a slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms.
.TUESDAY...South winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less. A chance of thunderstorms. A chance of
showers in the morning, then showers likely in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-230930-
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-
333 PM CDT Thu May 22 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Seas around 2 feet. Wave Detail: Southeast 1 foot at
5 seconds. A slight chance of showers and thunderstorms early this
evening.
.FRIDAY...Northwest winds around 5 knots, becoming southeast in the
afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at
5 seconds. A slight chance of showers and thunderstorms in the
morning.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. A slight chance of showers in the
afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: South 1 foot at
4 seconds, becoming south 2 feet at 4 seconds.
.SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 4 seconds.
.MONDAY...South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of showers with a slight
chance of thunderstorms.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds. A chance of thunderstorms. A
chance of showers in the morning, then showers likely in the
afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-230930-
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-
333 PM CDT Thu May 22 2025

.TONIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail:
Southeast 2 feet at 5 seconds. A slight chance of showers and
thunderstorms.
.FRIDAY...Southeast winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 5 seconds.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: South 1 foot at 5 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 4 seconds.
.SATURDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 1 to 2 feet. Wave Detail: South 2 feet at 4 seconds.
.SUNDAY...South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.SUNDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds. A chance of showers and
thunderstorms.
.TUESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet, subsiding to
1 to 2 feet in the afternoon. Wave Detail: South 2 feet at
6 seconds. A chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. A
chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-230930-
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-
333 PM CDT Thu May 22 2025

.TONIGHT...Southeast winds 5 to 10 knots, becoming south late. Seas
around 2 feet. Wave Detail: South 1 foot at 5 seconds. A slight
chance of showers and thunderstorms this evening. A chance of
showers and thunderstorms after midnight.
.FRIDAY...West winds around 5 knots, becoming southeast in the
afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at
4 seconds and southwest 1 foot at 5 seconds. A chance of showers and
thunderstorms in the morning.
.FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 5 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. A slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: South 1 foot at
4 seconds, becoming south 2 feet at 4 seconds.
.SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
.MONDAY...South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers with a
slight chance of thunderstorms.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
chance of showers. A slight chance of thunderstorms in the evening,
then a chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-230930-
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-
333 PM CDT Thu May 22 2025

.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds and southwest 1 foot at
6 seconds. A slight chance of showers and thunderstorms.
.FRIDAY...Southeast winds around 5 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: South 1 foot at
5 seconds. A slight chance of showers and thunderstorms in the
morning.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
.SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 4 seconds. A slight chance of showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at
4 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 4 seconds.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
South 3 feet at 5 seconds. A slight chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 10 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 6 seconds. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.TUESDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail:
South 3 feet at 6 seconds. A chance of showers with a slight chance
of thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers. A slight chance of thunderstorms in the evening,
then a chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$