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

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846
FZUS54 KLIX 310526
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1226 AM CDT Sun Aug 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-GMZ501-311800-
1226 AM CDT Sun Aug 31 2025

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

The main concern will be daily thunderstorm activity across the
marine areas as a stalled front hangs around the coastal waters.
Locally higher winds and waves will be expected near any
thunderstorm. The front will continue to push offshore into the Gulf
today and Monday, and offshore winds will continue behind it into
midweek.

$$

GMZ530-311800-
Lake Pontchartrain and Lake Maurepas-
1226 AM CDT Sun Aug 31 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Waves around
2 feet.
.SUNDAY...Northeast winds 5 to 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...East winds 5 to 10 knots. Waves 1 to 2 feet.
.MONDAY...East winds around 10 knots. Waves around 2 feet. A chance
of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the evening.
.TUESDAY...East winds 5 to 10 knots. Waves around 2 feet. A slight
chance of showers. A slight chance of thunderstorms in the
afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Waves 1 foot or
less.
.WEDNESDAY...Northwest winds around 5 knots. Waves 1 foot or less.
.WEDNESDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less.
.THURSDAY...Northwest winds around 5 knots. Waves 1 foot or less.
.THURSDAY NIGHT...Northwest winds around 5 knots. Waves 1 foot or
less.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-311800-
Lake Borgne-
1226 AM CDT Sun Aug 31 2025

.REST OF TONIGHT...Northeast winds around 10 knots. Waves around
2 feet.
.SUNDAY...Northeast winds 10 to 15 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms in the evening.
.MONDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A chance of
showers. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.MONDAY NIGHT...East winds 10 to 15 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms.
.TUESDAY...East 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...East winds 5 to 10 knots. Waves around 2 feet in
the evening, then 1 foot or less.
.WEDNESDAY...Northeast winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less.
.THURSDAY...Northwest winds 5 to 10 knots. Waves 1 foot or less.
.THURSDAY NIGHT...West winds 5 to 10 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-311800-
Mississippi Sound-
1226 AM CDT Sun Aug 31 2025

.REST OF TONIGHT...Northeast winds around 10 knots. Waves around
2 feet.
.SUNDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms in the evening.
.MONDAY...East 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...East winds 10 to 15 knots. Waves around 2 feet. A
slight chance of showers and thunderstorms.
.TUESDAY...East winds around 10 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.
.TUESDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet in
the evening, then 1 foot or less. A slight chance of showers and
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms.
.THURSDAY...Northwest winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 foot or less.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest
after midnight. Waves around 2 feet.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-311800-
Chandeleur Sound-Breton Sound-
1226 AM CDT Sun Aug 31 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Waves around
2 feet. A slight chance of thunderstorms. A slight chance of
showers, then a chance of showers late.
.SUNDAY...Northeast winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Waves
2 to 4 feet. A chance of showers and thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Waves 2 to 3 feet. A
chance of showers and thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Waves 2 to 3 feet. A chance of
showers and thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet in
the evening, then 1 foot or less. A slight chance of showers and
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms.
.THURSDAY...Northwest winds 5 to 10 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the morning.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less, then around 2 feet after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-311800-
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-
1226 AM CDT Sun Aug 31 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Northeast 2 feet at 4 seconds. A slight chance
of showers and thunderstorms, then a chance of showers and
thunderstorms late.
.SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 4 seconds. A slight chance of thunderstorms.
A slight chance of showers in the evening, then a chance of showers
after midnight.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of
thunderstorms. Showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds. A chance of showers and
thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 5 seconds. A chance of showers and thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming west
after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at
2 seconds and east 1 foot at 4 seconds. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 2 seconds and east 1 foot at 4 seconds.
A chance of showers and thunderstorms, mainly in the morning.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-311800-
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-
1226 AM CDT Sun Aug 31 2025

.REST OF TONIGHT...Northeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: East 1 foot at 4 seconds. A slight chance of
showers and thunderstorms, then a chance of showers and
thunderstorms late.
.SUNDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less, then
1 to 2 feet in the afternoon. Wave Detail: Northeast 1 foot at
4 seconds, becoming northeast 1 foot at 3 seconds. A chance of
thunderstorms. A chance of showers.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 3 seconds. A chance of showers and
thunderstorms.
.MONDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. A chance of thunderstorms.
Showers.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. Showers likely with a chance of
thunderstorms.
.TUESDAY...East winds around 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. Showers likely with a chance of
thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: East 2 feet at 4 seconds. A chance of showers. A slight
chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Northeast 1 foot at 4 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Seas 1 foot or less. Wave Detail: East 1 foot at
4 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after midnight.
.THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 2 seconds and northwest 1 foot at
2 seconds. A slight chance of showers and thunderstorms.
.THURSDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-311800-
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-
1226 AM CDT Sun Aug 31 2025

.REST OF TONIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of
showers and thunderstorms, then a chance of showers and
thunderstorms late.
.SUNDAY...North winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. Seas around 2 feet. Wave Detail:
Northeast 2 feet at 4 seconds. A chance of thunderstorms. A chance
of showers in the morning, then showers likely in the afternoon.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 4 seconds. A chance of showers and
thunderstorms.
.MONDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas
2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast 3 feet
at 5 seconds. Showers with a chance of thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: East 3 feet at 5 seconds. Showers likely with a chance of
thunderstorms.
.TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail:
East 3 feet at 5 seconds. Showers. A chance of thunderstorms in the
morning, then thunderstorms likely in the afternoon.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming northwest
after midnight. Seas around 2 feet in the evening, then 1 foot or
less. Wave Detail: Northeast 2 feet at 4 seconds, becoming west
1 foot at 2 seconds and east 1 foot at 4 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of showers
and thunderstorms after midnight.
.THURSDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: North 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers. A slight chance of thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-311800-
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-
1226 AM CDT Sun Aug 31 2025

.REST OF TONIGHT...East winds around 5 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 4 seconds. A chance of showers. A slight
chance of thunderstorms, then a chance of thunderstorms late.
.SUNDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: East 1 foot at
4 seconds, becoming northeast 2 feet at 4 seconds. Showers likely
with a chance of thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 4 seconds. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.MONDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 4 seconds. Showers with a chance of
thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds. A chance of thunderstorms.
Showers.
.TUESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 5 seconds. A chance of thunderstorms.
Showers.
.TUESDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: East 2 feet at 5 seconds. A chance of showers with a slight
chance of thunderstorms.
.WEDNESDAY...North winds around 10 knots. Seas around 2 feet. Wave
Detail: Northeast 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, becoming northwest
after midnight. Seas around 2 feet. Wave Detail: Northeast 2 feet at
4 seconds. A slight chance of showers in the evening, then a chance
of showers with a slight chance of thunderstorms after midnight.
.THURSDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northwest 1 foot at 3 seconds and east 1 foot at 4 seconds.
A chance of showers and thunderstorms, mainly in the morning.
.THURSDAY NIGHT...Northeast winds around 5 knots, becoming southwest
after midnight. Seas 1 foot or less. A slight chance of showers
after midnight.

Winds and seas higher in and near thunderstorms.

$$