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FZUS54 KLCH 091826
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
1225 PM CST Tue Dec 9 2025

Coastal waters from the Lower Atchafalaya River LA to High
Island TX out 60 nautical miles including Sabine and
Calcasieu Lakes and Vermilion and Cote Blanche Bays

Seas are provided as a range of the average height of the
highest one third of the waves, along with the occasional
height of the average highest ten percent of the waves.

GMZ400-100700-
1225 PM CST Tue Dec 9 2025

.Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
Blanche Bays...

High pressure centered over the Carolinas has shifted the pattern
locally to light easterly flow over the coastal waters, becoming
light southerly overnight into Wednesday. A weak dry cold front will
move into the coastal waters late Wednesday to bring a brief period
of light to modest offshore winds before winds again become onshore
by the end of the week. No significant shower activity is expected
through the end of the week.

$$

GMZ430-100700-
Sabine Lake-
1225 PM CST Tue Dec 9 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest late.
Lake waters light chop.
.WEDNESDAY...West winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY NIGHT...North winds around 5 knots. Lake waters
smooth.
.THURSDAY...East winds around 5 knots, becoming southeast in the
afternoon. Lake waters smooth.
.THURSDAY NIGHT...South winds around 5 knots. Lake waters smooth.
.FRIDAY...South winds 5 to 10 knots. Lake waters light chop.
.FRIDAY NIGHT...Southeast winds around 5 knots. Lake waters
smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Lake waters light
chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters
light chop. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Lake waters choppy.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters
choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-100700-
Calcasieu Lake-
1225 PM CST Tue Dec 9 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest late.
Lake waters light chop.
.WEDNESDAY...West winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Lake waters light chop.
.THURSDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Lake waters light chop.
.THURSDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.FRIDAY...South winds 5 to 10 knots. Lake waters light chop.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light
chop.
.SATURDAY...Southeast winds 5 to 10 knots. Lake waters light
chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters
light chop. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Lake waters rough.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Lake waters rough.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-100700-
Vermilion and West Cote Blanche Bays-
1225 PM CST Tue Dec 9 2025

.TONIGHT...Southeast winds around 5 knots, becoming south after
midnight. Bay waters light chop.
.WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop.
.WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming north
after midnight. Bay waters light chop.
.THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters light chop.
.THURSDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.FRIDAY...South winds 5 to 10 knots. Bay waters light chop.
.FRIDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters light chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light
chop.
.SUNDAY...Northeast winds 10 to 15 knots. Bay waters choppy.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
choppy.

$$

GMZ436-100700-
Atchafalaya and East Cote Blanche Bays-
1225 PM CST Tue Dec 9 2025

.TONIGHT...Light and variable winds, becoming south around
5 knots late this evening and overnight. Bay waters smooth.
.WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop.
.WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming north
after midnight. Bay waters smooth.
.THURSDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Bay waters smooth.
.THURSDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.FRIDAY...South winds around 5 knots. Bay waters smooth.
.FRIDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters light chop.
.SATURDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-100700-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1225 PM CST Tue Dec 9 2025

.TONIGHT...South winds 5 to 10 knots, becoming southwest 10 to
15 knots after midnight. Seas 1 foot or less, then around 2 feet
after midnight. Wave Detail: Southeast 1 foot at 3 seconds,
becoming south 2 feet at 3 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Seas 1 foot or less. Wave Detail:
Northeast 1 foot at 3 seconds and west 1 foot at 4 seconds.
.THURSDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Northeast 1 foot at 3 seconds and southwest 1 foot at
4 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 3 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less, then
around 2 feet in the afternoon. Wave Detail: South 1 foot at
4 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet. A slight chance of
showers in the morning.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-100700-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
1225 PM CST Tue Dec 9 2025

.TONIGHT...Southeast winds around 5 knots, becoming south late
this evening, then becoming southwest 10 to 15 knots after
midnight. Seas 1 foot or less, then around 2 feet after midnight.
Wave Detail: Southeast 1 foot at 2 seconds, becoming south 2 feet
at 3 seconds.
.WEDNESDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Seas around 2 feet. Wave Detail:
Northeast 1 foot at 3 seconds and west 1 foot at 4 seconds.
.THURSDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: Northeast 1 foot at 3 seconds and southwest
1 foot at 4 seconds, becoming east 1 foot at 4 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 3 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet. A slight chance of
showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-100700-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
1225 PM CST Tue Dec 9 2025

.TONIGHT...Southeast winds around 5 knots, becoming south after
midnight. Seas 1 foot or less. Wave Detail: South 1 foot at
2 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 3 seconds.
.WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming north
after midnight. Seas 1 foot or less. Wave Detail: North 1 foot at
2 seconds and west 1 foot at 3 seconds.
.THURSDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot
at 2 seconds and west 1 foot at 3 seconds.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 2 seconds.
.FRIDAY...South winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 3 seconds.
.FRIDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers in the afternoon.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-100700-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
1225 PM CST Tue Dec 9 2025

.TONIGHT...Southeast winds 5 to 10 knots, becoming southwest
after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet
at 4 seconds.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and east 1 foot at
5 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Seas around 2 feet. Wave Detail: West
1 foot at 4 seconds and southeast 1 foot at 6 seconds.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 4 seconds and northeast 1 foot at
4 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet. A slight chance of
thunderstorms in the morning. A slight chance of showers.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet.
A slight chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-100700-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
1225 PM CST Tue Dec 9 2025

.TONIGHT...Southeast winds 5 to 10 knots, becoming south after
midnight. Seas 1 foot or less, then around 2 feet after midnight.
Wave Detail: East 1 foot at 5 seconds, becoming southeast 2 feet
at 4 seconds.
.WEDNESDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 4 seconds and east 1 foot at
6 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas around 2 feet. Wave Detail: West 2 feet at
4 seconds and southeast 1 foot at 6 seconds.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Northeast 1 foot at 4 seconds and west 1 foot at
5 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 4 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 4 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.SATURDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet. A slight chance of
showers and thunderstorms.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet.
A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-100700-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
1225 PM CST Tue Dec 9 2025

.TONIGHT...East winds around 5 knots, becoming south after
midnight. Seas around 2 feet. Wave Detail: South 1 foot at
3 seconds and east 1 foot at 5 seconds.
.WEDNESDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 4 seconds and east 1 foot at 6 seconds.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north
after midnight. Seas around 2 feet. Wave Detail: West 2 feet at
4 seconds and east 1 foot at 6 seconds.
.THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 4 seconds and northeast 1 foot at
4 seconds.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds.
.FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 3 seconds.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers after midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. A slight chance of showers and thunderstorms.
.SUNDAY...East winds 10 to 15 knots, becoming northeast 15 to
20 knots in the afternoon. Seas 2 to 4 feet. A slight chance of
thunderstorms. A chance of showers, mainly in the morning.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet.
A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$