176
FZUS54 KLIX 181836
CWFLIX

Coastal Waters Forecast
National Weather Service New Orleans LA
136 PM 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-GMZ501-190700-
136 PM CDT Mon Aug 18 2025

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

Isolated to scattered daily showers and storms will continue through
midweek. 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 near or just north of
the area. Winds will remain light at 10 knots or less with
waves/seas 2 feet or less outside of thunderstorms.

$$

GMZ530-190700-
Lake Pontchartrain and Lake Maurepas-
136 PM CDT Mon Aug 18 2025

.THIS AFTERNOON...Southeast winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms early, then a
chance of showers and thunderstorms late.
.TONIGHT...West winds around 5 knots, becoming north after midnight.
Waves 1 foot or less. A chance of showers and thunderstorms in the
evening.
.TUESDAY...Northeast winds around 5 knots, becoming east in the
afternoon. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...South winds around 5 knots, becoming northwest
after midnight. Waves 1 foot or less.
.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 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 chance of showers and
thunderstorms in the afternoon.
.THURSDAY NIGHT...South winds around 5 knots. Waves 1 foot or less.
A chance of showers and thunderstorms in the evening, then a slight
chance of showers after midnight.
.FRIDAY...West winds around 5 knots, becoming southeast around
5 knots in the afternoon. 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...Southwest winds around 5 knots. Waves 1 foot or
less. A chance of showers and thunderstorms, mainly in the evening.

Winds and waves higher in and near thunderstorms.

$$

GMZ534-190700-
Lake Borgne-
136 PM CDT Mon Aug 18 2025

.THIS AFTERNOON...East winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms early, then a chance of
showers and thunderstorms late.
.TONIGHT...South winds around 5 knots, becoming north after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening.
.TUESDAY...Northeast winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms in the afternoon.
.TUESDAY NIGHT...Southeast winds around 5 knots, becoming northeast
after midnight. Waves 1 foot or less.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms.
.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...South winds around 5 knots. Waves 1 foot or less.
A chance of showers. A chance of thunderstorms, mainly in the
evening.
.FRIDAY...Southwest 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.
.FRIDAY NIGHT...Southwest winds around 5 knots. Waves 1 foot or
less. A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ532-190700-
Mississippi Sound-
136 PM CDT Mon Aug 18 2025

.THIS AFTERNOON...Southeast winds around 5 knots. Waves 1 foot or
less. A slight chance of showers and thunderstorms early, then a
chance of showers and thunderstorms late.
.TONIGHT...Southwest winds around 5 knots, becoming north after
midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms in the evening.
.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 afternoon.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast
after midnight. Waves 1 foot or less.
.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 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 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 chance of showers. A chance of thunderstorms, mainly in the
evening.
.FRIDAY...South winds 5 to 10 knots. 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.

$$

GMZ536-538-190700-
Chandeleur Sound-Breton Sound-
136 PM CDT Mon Aug 18 2025

.THIS AFTERNOON...East winds around 5 knots. Waves 1 foot or less. A
slight chance of showers and thunderstorms.
.TONIGHT...South winds around 5 knots, becoming north after
midnight. Waves 1 foot or less.
.TUESDAY...Northeast winds 5 to 10 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.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast
after midnight. Waves 1 foot or less. A slight chance of showers and
thunderstorms after midnight.
.WEDNESDAY...Northeast winds 5 to 10 knots, becoming east in the
afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms, mainly in the morning.
.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, then a chance of showers and
thunderstorms after midnight.
.THURSDAY...Northwest winds around 5 knots, becoming southeast in
the afternoon. Waves 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Waves 1 foot or less. A
chance of showers and thunderstorms.
.FRIDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Waves 1 foot or less. A chance of thunderstorms. Showers
likely, mainly in the morning.
.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.

$$

GMZ555-557-190700-
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-
136 PM CDT Mon Aug 18 2025

.THIS AFTERNOON...East 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.
.TONIGHT...Southeast winds around 5 knots, becoming northeast after
midnight. Seas 1 foot or less. Wave Detail: East 1 foot at
3 seconds. A slight chance of showers and thunderstorms after
midnight.
.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, mainly in the morning.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming northeast after
midnight. Seas 1 foot or less. Wave Detail: East 1 foot at
3 seconds. 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
3 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.WEDNESDAY NIGHT...South 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...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...South 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. Showers and thunderstorms
likely, mainly in the morning.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 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.

$$

GMZ550-552-190700-
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-
136 PM CDT Mon Aug 18 2025

.THIS AFTERNOON...Northeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: Northeast 1 foot at 2 seconds. A slight chance of
showers and thunderstorms early, then a chance of showers and
thunderstorms late.
.TONIGHT...Northeast winds around 5 knots. Seas 1 foot or less. Wave
Detail: East 1 foot at 2 seconds. A slight chance of showers and
thunderstorms.
.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 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, becoming east in the
afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
3 seconds. Showers and thunderstorms likely, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds around 5 knots, becoming
southwest after midnight. Seas 1 foot or less. Wave Detail: East
1 foot at 3 seconds. A slight chance of showers in the evening, then
a chance of showers and thunderstorms after midnight.
.THURSDAY...Northeast winds around 5 knots, becoming southeast 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. 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 2 seconds. Showers and thunderstorms likely,
mainly in the morning.
.FRIDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 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.

$$

GMZ575-577-190700-
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-
136 PM CDT Mon Aug 18 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Northeast 1 foot at 3 seconds and south 1 foot at
5 seconds. A slight chance of showers and thunderstorms.
.TONIGHT...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 after midnight.
.TUESDAY...Northeast winds around 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. 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...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 3 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.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
3 seconds. A chance of showers and thunderstorms.
.THURSDAY NIGHT...South 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. Showers and thunderstorms
likely, mainly in the morning.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 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.

$$

GMZ570-572-190700-
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-
136 PM CDT Mon Aug 18 2025

.THIS AFTERNOON...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: East 1 foot at 4 seconds. A slight chance of
showers and thunderstorms early, then a chance of showers and
thunderstorms late.
.TONIGHT...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.
.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...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
thunderstorms. Showers likely, mainly in the morning.
.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...Northeast winds around 5 knots, becoming southeast in
the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at
4 seconds. A chance of thunderstorms. Showers likely, mainly in the
morning.
.THURSDAY NIGHT...South 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.
.FRIDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 3 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.FRIDAY NIGHT...Southwest 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.

Winds and seas higher in and near thunderstorms.

$$