Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 232030
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
330 PM CDT Tue Apr 23 2024

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.

GMZ400-240915-
330 PM CDT Tue Apr 23 2024

.SYNOPSIS...
Onshore flow will remain light until the end of the week. During
this time waves will be less than four feet. Starting on Thursday
winds will start to increase becoming moderate to strong. Waves
will also build in the outer waters possibly reaching 7 feet or
more by Friday morning. Lakes and bays will be rough to very
rough conditions.

$$

GMZ430-240915-
Sabine Lake-
330 PM CDT Tue Apr 23 2024

.TONIGHT...South winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Lake waters choppy.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Lake waters choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Lake waters choppy.
.THURSDAY...Southeast winds 10 to 15 knots, becoming south 15 to
20 knots in the afternoon. Lake waters rough.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. Lake waters very rough.
.FRIDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Lake waters very rough.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots, diminishing to
around 15 knots after midnight. Lake waters very rough.
.SATURDAY...Southeast winds 15 to 20 knots. Lake waters rough.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters
rough.
.SUNDAY...Southeast winds 15 to 20 knots. Lake waters rough. A
slight chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds around 15 knots. Lake waters
choppy. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-240915-
Calcasieu Lake-
330 PM CDT Tue Apr 23 2024

.TONIGHT...South winds 15 to 20 knots, diminishing to 5 to
10 knots. Lake waters rough.
.WEDNESDAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Lake waters choppy.
.WEDNESDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Lake
waters choppy.
.THURSDAY...Southeast winds 10 to 15 knots, becoming south 15 to
20 knots with gusts up to 25 knots in the afternoon. Lake waters
rough.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots, becoming south
20 to 25 knots after midnight. Lake waters very rough.
.FRIDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Lake waters very rough.
.FRIDAY NIGHT...Southeast winds 25 to 30 knots, diminishing to
around 15 knots after midnight. Lake waters extremely rough.
.SATURDAY...Southeast winds 15 to 20 knots. Lake waters rough.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters
rough.
.SUNDAY...Southeast winds 15 to 20 knots. Lake waters rough.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters
rough. A slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-240915-
Vermilion and West Cote Blanche Bays-
330 PM CDT Tue Apr 23 2024

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

$$

GMZ436-240915-
Atchafalaya and East Cote Blanche Bays-
330 PM CDT Tue Apr 23 2024

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

$$

GMZ450-240915-
Coastal waters from Cameron LA to High Island TX out 20 NM-
330 PM CDT Tue Apr 23 2024

.TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 20 to 25 knots. Seas 2 to
4 feet, building to 4 to 6 feet, occasionally to 8 feet after
midnight.
.FRIDAY...South winds 20 to 25 knots with gusts up to 30 knots.
Seas 5 to 6 feet, occasionally to 8 feet.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet.
.SATURDAY...Southeast winds around 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.SATURDAY NIGHT...Southeast winds around 20 knots. Seas 4 to
6 feet, occasionally to 8 feet.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet.
A slight chance of showers and thunderstorms.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-240915-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
330 PM CDT Tue Apr 23 2024

.TONIGHT...South winds 10 to 15 knots, diminishing to 5 to
10 knots late. Seas around 2 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas around 2 feet.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to
5 to 10 knots after midnight. Seas around 2 feet.
.THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet.
.THURSDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.FRIDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet.
.SATURDAY...Southeast winds around 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.SATURDAY NIGHT...Southeast winds around 20 knots. Seas 4 to
6 feet, occasionally to 8 feet.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A slight chance of showers and
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-240915-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
330 PM CDT Tue Apr 23 2024

.TONIGHT...South winds around 5 knots. Seas 1 foot or less.
.WEDNESDAY...Southeast winds around 5 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less.
.THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.FRIDAY...Southeast winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 3 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet.
.SATURDAY NIGHT...Southeast winds around 20 knots. Seas 2 to
4 feet.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet.

$$

GMZ470-240915-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
330 PM CDT Tue Apr 23 2024

.TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY...Southeast winds around 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots, increasing to
20 to 25 knots after midnight. Seas 3 to 4 feet, building to 5 to
6 feet, occasionally to 8 feet after midnight.
.FRIDAY...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 6 to 7 feet, occasionally to 9 feet.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet.
.SATURDAY...Southeast winds around 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.SATURDAY NIGHT...Southeast winds around 20 knots. Seas 6 to
7 feet, occasionally to 9 feet.
.SUNDAY...Southeast winds around 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet. A slight chance of showers and
thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-240915-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
330 PM CDT Tue Apr 23 2024

.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet, building to 4 to 6 feet, occasionally
to 8 feet after midnight.
.FRIDAY...Southeast winds around 20 knots with gusts up to
25 knots. Seas 5 to 6 feet, occasionally to 8 feet.
.FRIDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 6 to 7 feet, occasionally to 9 feet.
.SATURDAY...Southeast winds around 20 knots. Seas 6 to 7 feet,
occasionally to 9 feet.
.SATURDAY NIGHT...Southeast winds around 20 knots. Seas 6 to
7 feet, occasionally to 9 feet.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 6 feet,
occasionally to 8 feet.

$$

GMZ475-240915-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
330 PM CDT Tue Apr 23 2024

.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...East winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Seas around 2 feet.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.THURSDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 3 feet, building to 3 to
5 feet, occasionally to 6 feet after midnight.
.FRIDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 6 feet, occasionally to 8 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
30 knots. Seas 5 to 6 feet, occasionally to 8 feet.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to
7 feet, occasionally to 9 feet.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 7 feet,
occasionally to 9 feet.

$$


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