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

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FZUS54 KLIX 312237
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
437 PM CST Wed Dec 31 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-GMZ501-011100-
437 PM CST Wed Dec 31 2025

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

Conditions continue to improve throughout the day today as high
pressure continues to build into the region. The next system that
could elevate winds and seas will be due into the region late Friday
or Saturday with at least some need for cautionary headlines Friday
and Saturday.

$$

GMZ530-011100-
Lake Pontchartrain and Lake Maurepas-
437 PM CST Wed Dec 31 2025

.TONIGHT...West winds 5 to 10 knots. Waves around 2 feet.
.THURSDAY...West winds 5 to 10 knots. Waves 1 to 2 feet in the
morning, then 1 foot or less.
.THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 to 2 feet.
.FRIDAY...South winds 10 to 15 knots, becoming southwest 15 to
20 knots in the afternoon. Waves 2 to 4 feet. A slight chance of
showers in the afternoon.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 4 feet. A chance of showers with a slight
chance of thunderstorms.
.SATURDAY...West winds 10 to 15 knots with gusts up to 20 knots,
becoming northwest in the afternoon. Waves 2 to 3 feet. A chance of
showers, mainly in the morning.
.SATURDAY NIGHT...North winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY...North winds 5 to 10 knots, diminishing to around 5 knots
in the afternoon. Waves around 2 feet in the morning, then 1 foot or
less.
.SUNDAY NIGHT...Northeast winds around 5 knots. Waves 1 foot or
less.
.MONDAY...Southeast winds around 5 knots. Waves 1 foot or less.
.MONDAY NIGHT...South winds around 5 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-011100-
Lake Borgne-
437 PM CST Wed Dec 31 2025

.TONIGHT...West winds 5 to 10 knots. Waves around 2 feet.
.THURSDAY...West winds 5 to 10 knots. Waves around 2 feet in the
morning, then 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less.
.FRIDAY...South winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Waves 2 to 4 feet. A slight chance of showers in
the afternoon.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots. Waves 3 to 4 feet. A
slight chance of thunderstorms. A chance of showers in the evening,
then showers likely after midnight.
.SATURDAY...West winds 15 to 20 knots, becoming northwest 10 to
15 knots in the afternoon. Waves 2 to 4 feet. A chance of showers,
mainly in the morning.
.SATURDAY NIGHT...North winds 10 to 15 knots. Waves 2 to 3 feet.
.SUNDAY...North winds 10 to 15 knots, diminishing to around 5 knots
in the afternoon. Waves around 2 feet in the morning, then 1 foot or
less.
.SUNDAY NIGHT...Northeast winds around 5 knots. Waves 1 foot or
less.
.MONDAY...East winds around 5 knots. Waves 1 foot or less.
.MONDAY NIGHT...South winds around 5 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-011100-
Mississippi Sound-
437 PM CST Wed Dec 31 2025

.TONIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.
.THURSDAY...West winds 5 to 10 knots. Waves around 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
2 feet.
.FRIDAY...South winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Waves 2 to 4 feet. A slight chance of showers in
the afternoon.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots with gusts up to
25 knots. Waves around 4 feet. A slight chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.SATURDAY...West winds 10 to 15 knots with gusts up to 25 knots.
Waves 2 to 4 feet. A slight chance of thunderstorms. Showers likely,
mainly in the morning.
.SATURDAY NIGHT...North winds 10 to 15 knots with gusts up to
20 knots. Waves 2 to 3 feet.
.SUNDAY...North winds 10 to 15 knots, diminishing to around 5 knots
in the afternoon. Waves 2 to 3 feet in the morning, then 1 foot or
less.
.SUNDAY NIGHT...Northeast winds around 5 knots. Waves 1 foot or
less.
.MONDAY...East winds around 5 knots, becoming southeast around
5 knots in the afternoon. Waves 1 foot or less.
.MONDAY NIGHT...South winds around 5 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-011100-
Chandeleur Sound-Breton Sound-
437 PM CST Wed Dec 31 2025

.TONIGHT...West winds 10 to 15 knots. Waves 2 to 3 feet.
.THURSDAY...West winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Waves around 2 feet in the morning, then 1 foot or
less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
2 feet.
.FRIDAY...Southwest winds 10 to 15 knots, becoming south 15 to
20 knots in the afternoon. Waves 2 to 4 feet. A slight chance of
showers in the afternoon.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots with gusts up to
25 knots. Waves 3 to 4 feet. A slight chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.SATURDAY...Southwest winds 15 to 20 knots, becoming west 10 to
15 knots in the afternoon. Waves 2 to 4 feet. A slight chance of
thunderstorms. Showers likely, mainly in the morning.
.SATURDAY NIGHT...North winds 10 to 15 knots. Waves 2 to 4 feet.
.SUNDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Waves 2 to 3 feet in the morning, then 1 foot or
less.
.SUNDAY NIGHT...Northeast winds around 5 knots. Waves 1 foot or
less.
.MONDAY...East winds around 5 knots. Waves 1 foot or less.
.MONDAY NIGHT...South winds around 5 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-011100-
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-
437 PM CST Wed Dec 31 2025

.TONIGHT...West winds 5 to 10 knots, increasing to 10 to 15 knots
late this evening and overnight. Seas around 2 feet. Wave Detail:
West 2 feet at 3 seconds.
.THURSDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas around 2 feet in the morning, then
1 foot or less. Wave Detail: Northwest 2 feet at 3 seconds, becoming
west 1 foot at 3 seconds.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less, then around 2 feet after midnight. Wave Detail: Southwest
1 foot at 3 seconds, becoming southwest 2 feet at 3 seconds.
.FRIDAY...Southwest winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 4 seconds.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 3 feet at 4 seconds. A chance of showers in the evening, then
showers likely with a chance of thunderstorms after midnight.
.SATURDAY...West winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southwest
4 feet at 5 seconds. A slight chance of thunderstorms. Showers.
.SATURDAY NIGHT...North winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
North 3 feet at 4 seconds and southwest 3 feet at 6 seconds. A
slight chance of showers in the evening.
.SUNDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots
in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at
4 seconds and southwest 1 foot at 6 seconds.
.SUNDAY NIGHT...Northeast winds around 5 knots. Seas around 2 feet
in the evening, then 1 foot or less. Wave Detail: Northeast 2 feet
at 4 seconds, becoming northeast 1 foot at 4 seconds.
.MONDAY...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 4 seconds.
.MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-011100-
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-
437 PM CST Wed Dec 31 2025

.TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then 1 to
2 feet after midnight. Wave Detail: West 1 foot at 2 seconds,
becoming west 1 foot at 3 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, increasing to 10 to
15 knots after midnight. Seas 1 foot or less, then 2 to 3 feet after
midnight. Wave Detail: Southwest 1 foot at 3 seconds, becoming
southwest 2 feet at 4 seconds.
.FRIDAY...Southwest winds 10 to 15 knots with gusts up to 25 knots.
Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail: Southwest
4 feet at 5 seconds. A slight chance of showers in the afternoon.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 6 seconds. A chance of showers with a slight
chance of thunderstorms.
.SATURDAY...West winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southwest
5 feet at 7 seconds. A slight chance of thunderstorms. Showers
likely, mainly in the morning.
.SATURDAY NIGHT...North winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave Detail:
Southwest 4 feet at 7 seconds and north 2 feet at 3 seconds.
.SUNDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail: Northeast
2 feet at 3 seconds and southwest 2 feet at 6 seconds.
.SUNDAY NIGHT...Northeast winds around 5 knots. Seas 1 to 2 feet in
the evening, then 1 foot or less. Wave Detail: Northeast 1 foot at
3 seconds and southwest 1 foot at 5 seconds, becoming east 1 foot at
3 seconds and southwest 1 foot at 5 seconds.
.MONDAY...Southeast winds around 5 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 3 seconds and southwest 1 foot at 5 seconds.
.MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-011100-
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-
437 PM CST Wed Dec 31 2025

.TONIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Northwest 2 feet at 3 seconds and northeast 2 feet at
5 seconds.
.THURSDAY...Northwest winds 10 to 15 knots, becoming west 5 to
10 knots in the afternoon. Seas around 2 feet. Wave Detail:
Northwest 2 feet at 4 seconds.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds.
.FRIDAY...Southwest winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 5 seconds.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Southwest 6 feet at 6 seconds. A chance of showers. A slight chance
of thunderstorms after midnight.
.SATURDAY...West winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southwest
6 feet at 7 seconds. Showers. A chance of thunderstorms, mainly in
the morning.
.SATURDAY NIGHT...North winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 7 seconds and north 3 feet at 5 seconds. A
chance of showers with a slight chance of thunderstorms in the
evening.
.SUNDAY...North winds 10 to 15 knots. Seas 2 to 4 feet, occasionally
to 5 feet. Wave Detail: North 3 feet at 5 seconds and southwest
3 feet at 7 seconds.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 5 seconds and southwest 1 foot at
6 seconds.
.MONDAY...East winds around 5 knots. Seas around 2 feet. Wave
Detail: Northeast 1 foot at 5 seconds and southwest 1 foot at
5 seconds.
.MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-011100-
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-
437 PM CST Wed Dec 31 2025

.TONIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 1 foot at 3 seconds and northeast 1 foot at
5 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Northwest 1 foot at
3 seconds and northeast 1 foot at 4 seconds, becoming west 1 foot at
3 seconds and northeast 1 foot at 4 seconds.
.THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southwest 3 feet at 4 seconds.
.FRIDAY...Southwest winds 15 to 20 knots with gusts up to 25 knots.
Seas 2 to 4 feet, occasionally to 5 feet, building to 4 to 6 feet,
occasionally to 8 feet in the afternoon. Wave Detail: Southwest
3 feet at 5 seconds, becoming southwest 5 feet at 6 seconds. A
slight chance of showers in the afternoon.
.FRIDAY NIGHT...Southwest winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:
Southwest 7 feet at 7 seconds. A chance of showers. A slight chance
of thunderstorms after midnight.
.SATURDAY...West winds 15 to 20 knots with gusts up to 25 knots.
Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southwest
7 feet at 7 seconds. A slight chance of thunderstorms. Showers.
.SATURDAY NIGHT...North winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: West 5 feet at 7 seconds and
north 3 feet at 5 seconds. A chance of showers with a slight chance
of thunderstorms in the evening.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast 3 feet at 5 seconds
and southwest 2 feet at 6 seconds.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Northeast 2 feet at 5 seconds and southwest 1 foot at
6 seconds.
.MONDAY...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 5 seconds and southwest 1 foot at 5 seconds.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$