021
FZUS54 KLIX 180511
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
1211 AM CDT Mon Aug 18 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-GMZ501-181800-
1211 AM CDT Mon Aug 18 2025

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

Expect to see a fairly typical diurnal convective cycle with storms
developing over the Gulf waters during the late night and and early
morning hours, and transitioning farther inland by afternoon.
Showers and thunderstorms will become more numerous late in the week
as a weak frontal boundary stalls just north of the area. Winds will
remain light at 10 knots or less with waves/seas 2 feet or less
outside of thunderstorms.

$$

GMZ530-181800-
Lake Pontchartrain and Lake Maurepas-
1211 AM CDT Mon Aug 18 2025

.REST OF TONIGHT...North winds around 5 knots. Waves 1 foot or less.
.MONDAY...Northeast winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...North winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the evening.
.TUESDAY...Northeast winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds around 5 knots, becoming northwest
after midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening.
.WEDNESDAY...North winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening.
.THURSDAY...Northwest 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.
.THURSDAY NIGHT...West winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.
.FRIDAY...West winds around 5 knots. Waves 1 foot or less. A slight
chance of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.
.FRIDAY NIGHT...South winds around 5 knots. Waves 1 foot or less. A
chance of showers. A chance of thunderstorms, mainly in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-181800-
Lake Borgne-
1211 AM CDT Mon Aug 18 2025

.REST OF TONIGHT...North winds around 5 knots. Waves 1 foot or less.
.MONDAY...Northeast winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Northeast winds around 5 knots. Waves 1 foot or
less.
.TUESDAY...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.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming northwest
after midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening.
.WEDNESDAY...North winds around 5 knots, becoming east 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.
.WEDNESDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening.
.THURSDAY...Northwest winds around 5 knots, becoming southeast 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.
.THURSDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or
less. A slight chance of thunderstorms. A slight chance of showers
in the evening, then a chance of showers after midnight.
.FRIDAY...West 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.
.FRIDAY NIGHT...South winds around 5 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-181800-
Mississippi Sound-
1211 AM CDT Mon Aug 18 2025

.REST OF TONIGHT...North winds around 5 knots. Waves 1 foot or less.
.MONDAY...Northeast winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...North winds around 5 knots. Waves 1 foot or less.
.TUESDAY...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 morning, then a chance of showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming northwest after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening.
.WEDNESDAY...North winds around 5 knots, becoming southeast in the
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms.
.THURSDAY...Northwest 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.
.THURSDAY NIGHT...Southwest 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.
.FRIDAY...West 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.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Waves 1 foot or less.
A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ536-538-181800-
Chandeleur Sound-Breton Sound-
1211 AM CDT Mon Aug 18 2025

.REST OF TONIGHT...Northwest winds around 5 knots. Waves 1 foot or
less.
.MONDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less.
.MONDAY NIGHT...Northeast winds around 5 knots. Waves 1 foot or
less.
.TUESDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming north after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms.
.WEDNESDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms.
.THURSDAY...Northwest winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southwest 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.
.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 5 to 10 knots. Waves 1 foot or less.
A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ555-557-181800-
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-
1211 AM CDT Mon Aug 18 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ550-552-181800-
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-
1211 AM CDT Mon Aug 18 2025

.REST OF TONIGHT...North winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds.
.MONDAY...North winds 5 to 10 knots, becoming east in the afternoon.
Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and
southeast 1 foot at 5 seconds. A slight chance of showers and
thunderstorms in the afternoon.
.MONDAY NIGHT...Northeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: East 1 foot at 2 seconds.
.TUESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 2 seconds. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...Northeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: East 1 foot at 3 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of showers
and thunderstorms after midnight.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
2 seconds. A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas 1 foot or less. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.THURSDAY...North winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 2 seconds. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.FRIDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 2 seconds. A chance of showers and
thunderstorms.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
A chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ575-577-181800-
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-
1211 AM CDT Mon Aug 18 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ570-572-181800-
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-
1211 AM CDT Mon Aug 18 2025

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

Winds and seas higher in and near thunderstorms.

$$