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

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FZUS54 KLIX 140416
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1116 PM CDT Wed Aug 13 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-GMZ501-141700-
1116 PM CDT Wed Aug 13 2025

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

Daily shower and thunderstorm chances continue, especially in the
overnight and early morning hours. However, the chances through the
rest of the week will start to decrease each day as high pressure
begins to build out of the east. Winds will become lighter outside
of thunderstorms, where there can be locally stronger winds and
waves/seas as well as waterspouts.

$$

GMZ530-141700-
Lake Pontchartrain and Lake Maurepas-
1116 PM CDT Wed Aug 13 2025

.OVERNIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet late
this evening, then 1 foot or less.
.THURSDAY...Southwest 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.
.THURSDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or
less.
.FRIDAY...West winds around 5 knots, becoming south in the
afternoon. 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.
.FRIDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less.
.SATURDAY...Northwest 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.
.SATURDAY NIGHT...West winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the evening.
.SUNDAY...North winds around 5 knots, becoming east around 5 knots
in the afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds around 5 knots, becoming north after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening.
.MONDAY...East 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.
.MONDAY NIGHT...East winds around 5 knots. Waves 1 foot or less.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-141700-
Lake Borgne-
1116 PM CDT Wed Aug 13 2025

.OVERNIGHT...Southwest winds 5 to 10 knots. Waves around 2 feet.
.THURSDAY...West winds 5 to 10 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.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or
less.
.FRIDAY...West winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or
less.
.SATURDAY...Northwest winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.
.SUNDAY...North winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds around 5 knots, becoming northeast after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms.
.MONDAY...East winds 5 to 10 knots. Waves 1 foot or less. A chance
of showers and thunderstorms.
.MONDAY NIGHT...East winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-141700-
Mississippi Sound-
1116 PM CDT Wed Aug 13 2025

.OVERNIGHT...West winds around 10 knots. Waves 2 to 3 feet. A slight
chance of showers and thunderstorms late this evening.
.THURSDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. A slight chance of showers and thunderstorms in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
2 feet.
.FRIDAY...Northwest winds around 5 knots, becoming southwest in the
afternoon. Waves 1 foot or less, then 1 to 2 feet in the afternoon.
A slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less.
.SATURDAY...Northwest winds around 5 knots, becoming southwest in
the afternoon. 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.
.SATURDAY NIGHT...Northwest winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms.
.SUNDAY...North winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds around 5 knots, becoming northeast 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.
.MONDAY...Northeast winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming east after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-141700-
Chandeleur Sound-Breton Sound-
1116 PM CDT Wed Aug 13 2025

.OVERNIGHT...Southwest winds around 10 knots. Waves 2 to 3 feet. A
slight chance of showers and thunderstorms.
.THURSDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Waves 1 foot or less, then 1 to 2 feet in the afternoon.
A chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Waves around
2 feet. A slight chance of showers and thunderstorms after midnight.
.FRIDAY...Northwest winds around 5 knots, becoming south around
5 knots in the afternoon. Waves 1 foot or less. A chance of showers
and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after
midnight. Waves 1 foot or less.
.SATURDAY...Northwest winds around 5 knots, becoming west in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...West winds around 5 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.
.SUNDAY...North winds 5 to 10 knots, becoming east in the afternoon.
Waves 1 foot or less. A chance of showers and thunderstorms.
.SUNDAY NIGHT...Southeast winds around 5 knots, becoming northeast
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.
.MONDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.MONDAY NIGHT...East 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.

$$

GMZ555-557-141700-
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-
1116 PM CDT Wed Aug 13 2025

.OVERNIGHT...Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds. A slight chance of
showers and thunderstorms.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 1 foot at 4 seconds
and southeast 1 foot at 5 seconds, becoming south 1 foot at
4 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less. Wave Detail: South 1 foot at
4 seconds, becoming south 1 foot at 5 seconds. A slight chance of
showers and thunderstorms after midnight.
.FRIDAY...Northwest winds around 5 knots, becoming south around
5 knots in the afternoon. Seas 1 foot or less. Wave Detail: West
1 foot at 3 seconds and southeast 1 foot at 5 seconds. A chance of
showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 3 seconds and south 1 foot at
6 seconds. A slight chance of showers and thunderstorms after
midnight.
.SATURDAY...Northwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 2 seconds and southeast 1 foot at
6 seconds. A chance of showers and thunderstorms.
.SATURDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or
less. Wave Detail: Northeast 1 foot at 4 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of showers
and thunderstorms after midnight.
.SUNDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at
3 seconds. A chance of showers and thunderstorms.
.SUNDAY NIGHT...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 4 seconds. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 4 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...East winds around 5 knots. Seas 1 foot or less. A
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-141700-
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-
1116 PM CDT Wed Aug 13 2025

.OVERNIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: South 1 foot at 4 seconds. A slight chance of showers and
thunderstorms.
.THURSDAY...Southwest winds 5 to 10 knots. Seas 1 to 2 feet in the
morning, then 1 foot or less. Wave Detail: Southwest 1 foot at
4 seconds, becoming south 1 foot at 5 seconds. A chance of showers
and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to 2 feet in
the evening, then 1 foot or less. Wave Detail: South 1 foot at
5 seconds. A slight 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: South 1 foot at
5 seconds. A chance of showers and thunderstorms.
.FRIDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds.
.SATURDAY...North winds around 5 knots, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at
5 seconds. A chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds. A chance of showers and
thunderstorms after midnight.
.SUNDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 1 to 2 feet in the morning, then 1 foot or less.
Wave Detail: Northwest 1 foot at 2 seconds and southeast 1 foot at
4 seconds, becoming northwest 1 foot at 2 seconds and northeast
1 foot at 4 seconds. Showers and thunderstorms likely, mainly in the
morning.
.SUNDAY NIGHT...Southeast winds around 5 knots, becoming northeast
after midnight. Seas 1 foot or less. Wave Detail: Southeast 1 foot
at 4 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after midnight.
.MONDAY...Northeast winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 4 seconds. Showers and thunderstorms
likely, mainly in the morning.
.MONDAY NIGHT...East winds around 5 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.

$$

GMZ575-577-141700-
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-
1116 PM CDT Wed Aug 13 2025

.OVERNIGHT...Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. A slight chance of
showers and thunderstorms late this evening, then a chance of
showers and thunderstorms late.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: West 1 foot at 4 seconds
and south 1 foot at 5 seconds, becoming south 1 foot at 5 seconds. A
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 5 seconds. A slight chance of
showers and thunderstorms after midnight.
.FRIDAY...West winds around 5 knots, becoming northeast around
5 knots in the afternoon. Seas 1 foot or less. Wave Detail: West
1 foot at 4 seconds and south 1 foot at 5 seconds. A chance of
showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at
4 seconds and south 1 foot at 7 seconds. A slight chance of showers
and thunderstorms after midnight.
.SATURDAY...North winds around 5 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at
7 seconds. A chance of showers and thunderstorms.
.SATURDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or
less. Wave Detail: Northwest 1 foot at 3 seconds and southeast
1 foot at 5 seconds. A chance of showers and thunderstorms after
midnight.
.SUNDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: North 1 foot at 3 seconds and southeast 1 foot at 5 seconds.
A chance of thunderstorms. Showers likely, mainly in the morning.
.SUNDAY NIGHT...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds and east 1 foot at
4 seconds. A chance of showers and thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 4 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.MONDAY NIGHT...East winds around 5 knots. Seas 1 foot or less. A
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-141700-
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-
1116 PM CDT Wed Aug 13 2025

.OVERNIGHT...Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 4 seconds. A chance of showers with
a slight chance of thunderstorms. A chance of thunderstorms with a
slight chance of showers late.
.THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 5 seconds. Showers and thunderstorms
likely, mainly in the morning.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 5 seconds. A slight chance of showers
and thunderstorms after midnight.
.FRIDAY...South winds around 5 knots, becoming southeast in the
afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at
5 seconds. A chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or less,
then around 2 feet after midnight. Wave Detail: Southwest 1 foot at
4 seconds and southeast 1 foot at 7 seconds, becoming south 1 foot
at 6 seconds.
.SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...East winds around 5 knots, becoming north after
midnight. Seas 1 foot or less. Wave Detail: Southeast 1 foot at
5 seconds. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 5 seconds and northwest 1 foot at
3 seconds. Showers and thunderstorms likely, mainly in the morning.
.SUNDAY NIGHT...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Northwest 1 foot at 3 seconds and east 1 foot at
4 seconds. A chance of showers and thunderstorms after midnight.
.MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 4 seconds. Showers and thunderstorms
likely, mainly in the morning.
.MONDAY NIGHT...East winds around 5 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.

$$