Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 132051
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
Issued by National Weather Service Brownsville TX
351 PM CDT Tue May 13 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.

GMZ400-140945-
351 PM CDT Tue May 13 2025

.SYNOPSIS...
A weak shortwave is expected to move across east Texas and west
Louisiana from this afternoon into Wednesday producing breezy
onshore flow around 20 knots gusting to 30 knots. Ridging builds
further into the area Thursday allowing winds to come down
somewhat. No rain is expected through the forecast period.



$$

GMZ430-140945-
Sabine Lake-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...South winds around 15 knots with gusts up to 20 knots.
Lake waters choppy.
.WEDNESDAY...Southwest winds 15 to 20 knots with gusts up to
25 knots. Lake waters rough.
.WEDNESDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy.
.THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Lake waters choppy.
.THURSDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
.FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Lake waters choppy.
.FRIDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
.SATURDAY...South winds around 10 knots. Lake waters light chop.
.SATURDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
.SUNDAY...South winds 10 to 15 knots. Lake waters choppy.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy.

$$

GMZ432-140945-
Calcasieu Lake-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots.
Lake waters rough.
.WEDNESDAY...Southwest winds 15 to 20 knots with gusts up to
25 knots. Lake waters rough.
.WEDNESDAY NIGHT...South winds around 15 knots with gusts up to
25 knots. Lake waters choppy.
.THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Lake waters choppy.
.THURSDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy.
.FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Lake waters choppy.
.FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy.
.SATURDAY...South winds around 10 knots, increasing to around
15 knots in the afternoon. Lake waters choppy.
.SATURDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
.SUNDAY...South winds 10 to 15 knots. Lake waters choppy.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy.

$$

GMZ435-140945-
Vermilion and West Cote Blanche Bays-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots after midnight. Bay waters rough.
.WEDNESDAY...South winds 15 to 20 knots. Bay waters rough.
.WEDNESDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy.
.THURSDAY...South winds 10 to 15 knots. Bay waters choppy.
.THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy.
.FRIDAY...South winds 10 to 15 knots. Bay waters choppy.
.FRIDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy.
.SATURDAY...South winds around 10 knots. Bay waters light chop.
.SATURDAY NIGHT...South winds around 10 knots. Bay waters light
chop.
.SUNDAY...South winds 10 to 15 knots. Bay waters choppy.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy.

$$

GMZ436-140945-
Atchafalaya and East Cote Blanche Bays-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...South winds 10 to 15 knots. Bay waters choppy.
.WEDNESDAY...South winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy.
.THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Bay waters choppy.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
10 to 15 knots after midnight. Bay waters choppy.
.FRIDAY...South winds around 10 knots. Bay waters light chop.
.FRIDAY NIGHT...South winds around 10 knots. Bay waters light
chop.
.SATURDAY...South winds around 10 knots. Bay waters light chop.
.SATURDAY NIGHT...South winds around 10 knots. Bay waters light
chop.
.SUNDAY...South winds around 10 knots. Bay waters light chop.
.SUNDAY NIGHT...Southeast winds around 10 knots. Bay waters light
chop.

$$

GMZ450-140945-
Coastal waters from Cameron LA to High Island TX out 20 NM-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...South winds 15 to 20 knots, increasing to 20 to
25 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: South 5 feet at 6 seconds.
.WEDNESDAY...Southwest winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds.
.THURSDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: South 4 feet at 6 seconds.
.THURSDAY NIGHT...South winds around 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at
4 seconds and south 3 feet at 7 seconds.
.FRIDAY...South winds around 15 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 6 seconds.
.FRIDAY NIGHT...South winds around 15 knots with gusts up to
20 knots. Seas 3 to 4 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet.
.SUNDAY...South winds around 15 knots. Seas 3 to 4 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet.

$$

GMZ452-140945-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet, building
to 4 to 5 feet, occasionally to 6 feet after midnight. Wave
Detail: Southwest 4 feet at 5 seconds, becoming southwest 5 feet
at 6 seconds.
.WEDNESDAY...South winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: South 4 feet at 6 seconds.
.THURSDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: South 5 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail:
South 4 feet at 5 seconds.
.FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds.
.FRIDAY NIGHT...South winds around 15 knots with gusts up to
20 knots. Seas 2 to 4 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 4 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.SUNDAY...South winds around 15 knots. Seas 2 to 4 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet.

$$

GMZ455-140945-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM THIS EVENING
TO 1 AM CDT WEDNESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet.
Wave Detail: Southwest 3 feet at 4 seconds.
.WEDNESDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: South
3 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at
6 seconds and south 2 feet at 3 seconds.
.THURSDAY...South winds 10 to 15 knots with gusts up to 20 knots,
diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet.
Wave Detail: South 3 feet at 6 seconds.
.THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 3 seconds and south 2 feet at
7 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 3 seconds and south 2 feet at 6 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.

$$

GMZ470-140945-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots.
Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South
6 feet at 7 seconds.
.WEDNESDAY...South winds around 20 knots, diminishing to around
15 knots in the afternoon. Seas 5 to 6 feet, occasionally to
8 feet. Wave Detail: South 6 feet at 7 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
South 5 feet at 7 seconds.
.THURSDAY...South winds 15 to 20 knots with gusts up to 25 knots,
diminishing to 10 to 15 knots in the afternoon. Seas 5 to 6 feet,
occasionally to 8 feet. Wave Detail: South 6 feet at 7 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
South 4 feet at 7 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds.
.FRIDAY NIGHT...South winds around 15 knots with gusts up to
20 knots. Seas around 4 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.SATURDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet, occasionally to 6 feet.
.SUNDAY...Southeast winds around 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.SUNDAY NIGHT...Southeast winds around 15 knots. Seas 4 to
5 feet, occasionally to 6 feet.

$$

GMZ472-140945-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING
THROUGH WEDNESDAY AFTERNOON...

.TONIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet, building
to 5 feet, occasionally to 6 feet after midnight. Wave Detail:
South 4 feet at 5 seconds, becoming southwest 5 feet at
6 seconds.
.WEDNESDAY...South winds 15 to 20 knots with gusts up to
25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail:
South 6 feet at 7 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots with gusts up to
25 knots. Seas around 5 feet, occasionally to 6 feet. Wave
Detail: South 5 feet at 7 seconds.
.THURSDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 5 to 6 feet, occasionally to
8 feet. Wave Detail: South 5 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
South 4 feet at 7 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds.
.FRIDAY NIGHT...South winds around 15 knots with gusts up to
20 knots. Seas around 4 feet.
.SATURDAY...South winds around 15 knots, becoming southeast in
the afternoon. Seas around 4 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
4 feet.
.SUNDAY...Southeast winds around 15 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas around
4 feet.

$$

GMZ475-140945-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
351 PM CDT Tue May 13 2025

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM THIS EVENING
TO 1 AM CDT WEDNESDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT WEDNESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...South winds 10 to 15 knots, increasing to 15 to
20 knots with gusts up to 25 knots late this evening and
overnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Southwest 5 feet at 6 seconds.
.WEDNESDAY...South winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 6 seconds.
.WEDNESDAY NIGHT...South winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
South 5 feet at 7 seconds.
.THURSDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 5 feet, occasionally to
6 feet. Wave Detail: South 5 feet at 6 seconds.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 4 feet. Wave Detail: South 4 feet at
7 seconds.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: South 4 feet at 6 seconds.
.FRIDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet.
.SATURDAY...South winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.
.SUNDAY...Southeast winds 10 to 15 knots. Seas around 4 feet.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.

$$