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

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487
FZUS54 KLIX 051708
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1208 PM CDT Tue Aug 5 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-GMZ501-060615-
1208 PM CDT Tue Aug 5 2025

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

Outside of showers and thunderstorms, winds and seas are forecast to
remain benign across the coastal waters. A few strong storms will be
possible each day, which could result in gusty winds, waterspouts,
and locally higher waves/seas.

$$

GMZ530-060615-
Lake Pontchartrain and Lake Maurepas-
1208 PM CDT Tue Aug 5 2025

.REST OF TODAY...East winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms early this afternoon, then
showers and thunderstorms likely late.
.TONIGHT...Southeast winds around 5 knots. Waves 1 foot or less.
Showers and thunderstorms likely, mainly in the evening.
.WEDNESDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms likely
in the afternoon.
.WEDNESDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less. A chance of showers and
thunderstorms, mainly in the evening.
.THURSDAY...North winds around 5 knots, becoming east around 5 knots
in the afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY 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.
.FRIDAY...Northeast 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.
.FRIDAY NIGHT...East winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the evening.
.SATURDAY...East winds 5 to 10 knots. Waves 1 foot or less. A chance
of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms, mainly in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-060615-
Lake Borgne-
1208 PM CDT Tue Aug 5 2025

.REST OF TODAY...East winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms early this afternoon, then
showers and thunderstorms likely late.
.TONIGHT...Southeast winds around 5 knots, becoming east after
midnight. Waves 1 foot or less. A chance of showers and
thunderstorms.
.WEDNESDAY...North winds around 5 knots, becoming southeast around
5 knots in the afternoon. Waves 1 foot or less. A chance of showers
and thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.WEDNESDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY...North winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.THURSDAY NIGHT...Southeast winds around 5 knots, becoming northeast
after midnight. Waves 1 foot or less. A chance of showers and
thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.SATURDAY...East winds 5 to 10 knots. Waves 1 foot or less, then
around 2 feet in the afternoon. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-060615-
Mississippi Sound-
1208 PM CDT Tue Aug 5 2025

.REST OF TODAY...East winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.TONIGHT...East winds around 5 knots. Waves 1 foot or less. A chance
of showers and thunderstorms.
.WEDNESDAY...Northeast winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms likely
in the afternoon.
.WEDNESDAY NIGHT...Southwest winds around 5 knots, becoming north
after midnight. Waves 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY...North winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of thunderstorms. Showers
likely, mainly in the morning.
.THURSDAY NIGHT...Southeast winds around 5 knots, becoming northeast
after midnight. Waves 1 foot or less. A chance of showers and
thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less, then around 2 feet in the
afternoon. A chance of showers and thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms.
.SATURDAY...East winds around 10 knots. Waves around 2 feet. Showers
likely. A chance of thunderstorms in the morning, then thunderstorms
likely in the afternoon.
.SATURDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-060615-
Chandeleur Sound-Breton Sound-
1208 PM CDT Tue Aug 5 2025

.REST OF TODAY...East winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.TONIGHT...South winds around 5 knots. Waves 1 foot or less. A
chance of showers. A chance of thunderstorms in the evening, then
thunderstorms likely after midnight.
.WEDNESDAY...Northwest winds around 5 knots, becoming southeast
around 5 knots in the afternoon. Waves 1 foot or less. Thunderstorms
likely with a chance of showers in the morning, then a chance of
showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southwest winds around 5 knots, becoming west
after midnight. Waves 1 foot or less. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.THURSDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. Showers and thunderstorms likely,
mainly in the morning.
.THURSDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less.
Showers and thunderstorms likely, mainly in the morning.
.FRIDAY NIGHT...East winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.SATURDAY...East winds 5 to 10 knots. Waves around 2 feet. Showers
and thunderstorms likely.
.SATURDAY NIGHT...East winds 5 to 10 knots. Waves around 2 feet. A
chance of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-060615-
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-
1208 PM CDT Tue Aug 5 2025

.REST OF TODAY...East winds around 5 knots, becoming south late.
Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. A
chance of showers and thunderstorms.
.TONIGHT...South 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.
.WEDNESDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. Showers and thunderstorms likely,
mainly in the morning.
.WEDNESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 2 seconds and south 1 foot at 4 seconds.
A chance of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.
.THURSDAY...North winds 5 to 10 knots, becoming northeast in the
afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds and south 1 foot at 4 seconds. Showers with thunderstorms
likely in the morning, then a chance of showers and thunderstorms in
the afternoon.
.THURSDAY NIGHT...Northeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: Northeast 1 foot at 2 seconds and southeast
1 foot at 4 seconds. A chance of showers with a slight chance of
thunderstorms in the evening, then showers likely with a chance of
thunderstorms after midnight.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 3 seconds and southeast 1 foot at
5 seconds. Showers with thunderstorms likely in the morning, then a
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 5 seconds. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds. Showers with thunderstorms likely
in the morning, then showers likely with a chance of thunderstorms
in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet
in the evening, then 1 foot or less. Wave Detail: East 1 foot at
3 seconds. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-060615-
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-
1208 PM CDT Tue Aug 5 2025

.REST OF TODAY...West winds around 5 knots, becoming south late.
Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A
chance of showers and thunderstorms.
.TONIGHT...South winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 3 seconds. A chance of showers and
thunderstorms.
.WEDNESDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. Showers and thunderstorms likely,
mainly in the morning.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 4 seconds. A slight chance of
showers and thunderstorms in the evening, then showers likely with a
chance of thunderstorms after midnight.
.THURSDAY...Northwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 4 seconds. Thunderstorms likely.
Showers.
.THURSDAY NIGHT...West winds around 5 knots, becoming north after
midnight. Seas 1 foot or less. Wave Detail: South 1 foot at
5 seconds. A slight chance of showers and thunderstorms in the
evening, then showers likely with a chance of thunderstorms after
midnight.
.FRIDAY...Northeast winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 5 seconds. Showers with thunderstorms
likely in the morning, then a chance of showers and thunderstorms in
the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 2 seconds and southeast 1 foot at 5 seconds.
A chance of showers. A slight chance of thunderstorms in the
evening, then a chance of thunderstorms after midnight.
.SATURDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 2 seconds. Showers with a chance of
thunderstorms in the morning, then showers and thunderstorms likely
in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 3 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.

$$

GMZ575-577-060615-
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-
1208 PM CDT Tue Aug 5 2025

.REST OF TODAY...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 4 seconds. Showers and thunderstorms
likely early this afternoon, then a chance of showers and
thunderstorms late.
.TONIGHT...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 in the evening, then a chance of showers and
thunderstorms after midnight.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. Showers and thunderstorms likely,
mainly in the morning.
.WEDNESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of
showers and thunderstorms in the evening, then showers likely with a
chance of thunderstorms after midnight.
.THURSDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northwest 1 foot at 2 seconds and southeast 1 foot at
5 seconds. Showers with thunderstorms likely in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...Northeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: North 1 foot at 3 seconds and southeast 1 foot at
5 seconds. A chance of showers with a slight chance of thunderstorms
in the evening, then showers likely with a chance of thunderstorms
after midnight.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 3 seconds and southeast 1 foot at
5 seconds. Showers with thunderstorms likely in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet after midnight. Wave Detail: Northeast 1 foot at
3 seconds and southeast 1 foot at 5 seconds, becoming southeast
1 foot at 5 seconds. A chance of showers with a slight chance of
thunderstorms in the evening, then showers likely with a chance of
thunderstorms after midnight.
.SATURDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: East 1 foot at 4 seconds. Showers with thunderstorms likely
in the morning, then showers likely with a chance of thunderstorms
in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 3 seconds. A chance of
showers with a slight chance of thunderstorms in the evening, then
showers likely with a chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-060615-
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-
1208 PM CDT Tue Aug 5 2025

.REST OF TODAY...Southwest winds around 5 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 4 seconds. A chance of showers
and thunderstorms.
.TONIGHT...South winds 5 to 10 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.
.WEDNESDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. Showers and thunderstorms likely,
mainly in the morning.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less. Wave Detail: South 1 foot at 5 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of showers
and thunderstorms after midnight.
.THURSDAY...Northwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: Northeast 1 foot at 2 seconds and west 1 foot at
2 seconds. Showers with thunderstorms likely in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
.THURSDAY NIGHT...North winds around 5 knots. Seas 1 foot or less.
Wave Detail: North 1 foot at 3 seconds and south 1 foot at
5 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after midnight.
.FRIDAY...Northeast winds around 5 knots. Seas 1 foot or less. Wave
Detail: North 1 foot at 3 seconds and southeast 1 foot at 5 seconds.
Showers with thunderstorms likely in the morning, then showers
likely with a chance of thunderstorms in the afternoon.
.FRIDAY NIGHT...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 in the evening, then a chance of
thunderstorms after midnight.
.SATURDAY...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 4 seconds. A chance of thunderstorms.
Showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: East 1 foot at 3 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.

$$