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 17 18 19 20 21 22 23 24 25 26 27 28
434
FZUS54 KLIX 241525
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1025 AM CDT Sat May 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-GMZ501-250415-
1025 AM CDT Sat May 24 2025

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

Persistent south to southeasterly winds of around 10 knots are
expected through the middle of next week. The threat for
thunderstorms is expected to increase on Tuesday and Wednesday as
another weak frontal boundary moves into the region.

$$

GMZ530-250415-
Lake Pontchartrain and Lake Maurepas-
1025 AM CDT Sat May 24 2025

.REST OF TODAY...South winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms late.
.TONIGHT...South winds 5 to 10 knots. Waves 1 to 2 feet. A slight
chance of showers and thunderstorms in the evening.
.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 in
the evening, then 1 foot or less.
.MONDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet.
.TUESDAY...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.
.TUESDAY NIGHT...South winds 5 to 10 knots. Waves 1 to 2 feet in the
evening, then 1 foot or less. A chance of showers and thunderstorms
in the evening.
.WEDNESDAY...South 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.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-250415-
Lake Borgne-
1025 AM CDT Sat May 24 2025

.REST OF TODAY...South winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet this afternoon. A slight chance of showers and
thunderstorms.
.TONIGHT...South winds 5 to 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the evening.
.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 in
the evening, then 1 foot or less.
.MONDAY...South winds 5 to 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 10 knots. Waves around 2 feet.
.TUESDAY...South winds around 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.
.TUESDAY 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 in the evening.
.WEDNESDAY...South 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.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less.
A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-250415-
Mississippi Sound-
1025 AM CDT Sat May 24 2025

.REST OF TODAY...South winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet this afternoon. A slight chance of showers and
thunderstorms.
.TONIGHT...South winds 10 to 15 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the evening.
.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 2 to 3 feet. A slight
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the evening.
.TUESDAY...South winds around 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.
.TUESDAY NIGHT...South winds 5 to 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms, mainly in the evening.
.WEDNESDAY...South winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. A chance of thunderstorms. A chance
of showers in the morning, then showers likely in the afternoon.
.WEDNESDAY NIGHT...South winds 5 to 10 knots. Waves 1 to 2 feet in
the evening, then 1 foot or less. A chance of showers and
thunderstorms, mainly in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-250415-
Chandeleur Sound-Breton Sound-
1025 AM CDT Sat May 24 2025

.REST OF TODAY...South winds 5 to 10 knots. Waves 1 foot or less,
then around 2 feet this afternoon.
.TONIGHT...South winds 10 to 15 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the evening.
.SUNDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon.
.SUNDAY NIGHT...South winds 10 to 15 knots. Waves around 2 feet.
.MONDAY...South winds around 10 knots. Waves around 2 feet. A slight
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds around 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms after midnight.
.TUESDAY...South winds around 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.
.TUESDAY 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, mainly in the evening.
.WEDNESDAY...South winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.WEDNESDAY 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.

$$

GMZ555-557-250415-
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-
1025 AM CDT Sat May 24 2025

.REST OF TODAY...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.
.TONIGHT...South winds 10 to 15 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 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas around 2 feet. Wave Detail: South 1 foot at
4 seconds.
.SUNDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 3 seconds.
.MONDAY...South winds 5 to 10 knots. Seas around 2 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: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms after midnight.
.TUESDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of
thunderstorms. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. A chance of showers and
thunderstorms, mainly in the evening.
.WEDNESDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...South winds around 5 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds. 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.

$$

GMZ550-552-250415-
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-
1025 AM CDT Sat May 24 2025

.REST OF TODAY...South winds 5 to 10 knots. Seas around 2 feet late
this morning, then 1 foot or less. Wave Detail: South 1 foot at
4 seconds.
.TONIGHT...South winds 5 to 10 knots, increasing to 10 to 15 knots
after midnight. Seas 1 to 2 feet. Wave Detail: 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 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds.
.MONDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds.
.TUESDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds. A slight chance of thunderstorms.
A slight chance of showers in the morning, then a chance of showers
in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of showers and
thunderstorms, mainly in the evening.
.WEDNESDAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast 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.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-250415-
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-
1025 AM CDT Sat May 24 2025

.REST OF TODAY...South winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 4 seconds. A slight chance of showers
and thunderstorms.
.TONIGHT...South winds 5 to 10 knots, increasing to 10 to 15 knots
after midnight. 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 5 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.
.MONDAY 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 after midnight.
.TUESDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds. A slight chance of thunderstorms.
A slight chance of showers in the morning, then a chance of showers
in the afternoon.
.TUESDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds around 5 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. 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.

$$

GMZ570-572-250415-
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-
1025 AM CDT Sat May 24 2025

.REST OF TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 4 seconds.
.TONIGHT...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots after midnight. Seas around 2 feet. Wave Detail: South
2 feet at 4 seconds.
.SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds.
.SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 5 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: South 3 feet at 6 seconds.
.TUESDAY...Southeast winds 10 to 15 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 morning, then a chance of showers
in the afternoon.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds. A slight chance of
thunderstorms. A chance of showers, mainly in the evening.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 6 seconds. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds. A slight chance of showers
and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$