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000
FZUS54 KLCH 212042
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
342 PM CDT Sun Apr 21 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.

GMZ400-220930-
342 PM CDT Sun Apr 21 2024

.SYNOPSIS...
Strong and gusty offshore flow and very rough seas will continue
as cool high pressure builds south across the plains. Winds will
remain strong, shifting more northeasterly, through early Monday
before diminishing. Onshore flow will redevelop by Tuesday as
surface high pressure moves over the eastern seaboard.

$$

GMZ430-220930-
Sabine Lake-
342 PM CDT Sun Apr 21 2024

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

.TONIGHT...North winds 15 to 20 knots, becoming northeast 10 to
15 knots after midnight. Lake waters rough.
.MONDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots in the afternoon. Lake
waters choppy.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Lake waters choppy.
.TUESDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots after midnight. Lake
waters choppy.
.WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 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 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Lake waters choppy.
.THURSDAY NIGHT...Southeast winds around 15 knots. Lake waters
choppy.
.FRIDAY...South winds around 15 knots. Lake waters choppy.
.FRIDAY NIGHT...South winds around 15 knots. Lake waters choppy.

$$

GMZ432-220930-
Calcasieu Lake-
342 PM CDT Sun Apr 21 2024

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

.TONIGHT...North winds 20 to 25 knots, becoming northeast 15 to
20 knots late this evening and overnight. Lake waters very rough.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Lake waters rough.
.MONDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop.
.TUESDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
.TUESDAY NIGHT...South winds 15 to 20 knots, diminishing to 5 to
10 knots after midnight. 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, becoming southeast 5 to 10 knots after midnight. Lake
waters choppy.
.THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Lake waters choppy.
.THURSDAY NIGHT...Southeast winds around 15 knots. Lake waters
choppy.
.FRIDAY...South winds around 15 knots. Lake waters choppy.
.FRIDAY NIGHT...Southeast winds around 15 knots. Lake waters
choppy.

$$

GMZ435-220930-
Vermilion and West Cote Blanche Bays-
342 PM CDT Sun Apr 21 2024

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

.TONIGHT...North winds 15 to 20 knots. Bay waters rough.
.MONDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots in the afternoon. Bay
waters choppy.
.MONDAY NIGHT...East winds around 5 knots. Bay waters smooth.
.TUESDAY...East winds 5 to 10 knots, becoming south in the
afternoon. Bay waters light chop.
.TUESDAY NIGHT...South winds 5 to 10 knots, diminishing to around
5 knots after midnight. 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. Bay waters light
chop.
.THURSDAY...Southeast winds 5 to 10 knots. Bay waters light chop.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy.
.FRIDAY...Southeast winds 10 to 15 knots. Bay waters choppy.
.FRIDAY NIGHT...Southeast winds around 15 knots. Bay waters
choppy.

$$

GMZ436-220930-
Atchafalaya and East Cote Blanche Bays-
342 PM CDT Sun Apr 21 2024

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

.TONIGHT...North winds 15 to 20 knots, becoming northeast 10 to
15 knots with gusts up to 20 knots late this evening and
overnight. Bay and inland waters rough.
.MONDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Bay and inland waters choppy.
.MONDAY NIGHT...East winds 5 to 10 knots, diminishing to around
5 knots after midnight. Bay and inland waters light chop.
.TUESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Bay and inland waters light chop.
.TUESDAY NIGHT...Southeast winds around 5 knots. Bay and inland
waters smooth.
.WEDNESDAY...East winds around 5 knots, becoming south around
5 knots in the afternoon. Bay and inland waters smooth.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland
waters light chop.
.THURSDAY...Southeast winds 5 to 10 knots. Bay and inland waters
light chop.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay and inland
waters choppy.
.FRIDAY...Southeast winds around 15 knots. Bay and inland waters
choppy.
.FRIDAY NIGHT...Southeast winds around 15 knots. Bay and inland
waters choppy.

$$

GMZ450-220930-
Coastal waters from Cameron LA to High Island TX out 20 NM-
342 PM CDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

.TONIGHT...Northeast winds 20 to 25 knots. Seas 2 to 4 feet.
.MONDAY...Northeast winds 20 to 25 knots, becoming east 10 to
15 knots in the afternoon. Seas 2 to 4 feet.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.TUESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 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 around 10 knots, increasing to around
15 knots in the afternoon. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to
4 feet.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.

$$

GMZ452-220930-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
342 PM CDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

.TONIGHT...Northeast winds 20 to 25 knots with gusts up to
30 knots. Seas 2 to 4 feet.
.MONDAY...Northeast winds 20 to 25 knots, becoming east 10 to
15 knots in the afternoon. Seas 2 to 4 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less.
.TUESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
.TUESDAY NIGHT...South winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas around 2 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 foot or
less, then around 2 feet after midnight.
.THURSDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to
4 feet.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet.

$$

GMZ455-220930-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
342 PM CDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

.TONIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 3 feet.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 2 to 3 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less.
.THURSDAY...Southeast winds around 10 knots. Seas 1 foot or less,
then around 2 feet in the afternoon.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 2 to
3 feet.
.FRIDAY...Southeast winds around 15 knots. Seas 2 to 3 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet.

$$

GMZ470-220930-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
342 PM CDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

.TONIGHT...Northeast winds 20 to 25 knots with gusts up to
30 knots. Seas 4 to 5 feet, occasionally to 6 feet.
.MONDAY...Northeast winds 20 to 25 knots, becoming east 15 to
20 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.TUESDAY...Southeast winds around 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds around 10 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 around 10 knots, increasing to around
15 knots in the afternoon. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots, increasing to
around 20 knots after midnight. Seas around 3 feet, building to
4 to 5 feet, occasionally to 6 feet after midnight.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.FRIDAY NIGHT...Southeast winds around 20 knots. Seas 4 to
6 feet, occasionally to 8 feet.

$$

GMZ472-220930-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
342 PM CDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

.TONIGHT...Northeast winds 20 to 25 knots with gusts up to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet.
.MONDAY...Northeast winds 20 to 25 knots, diminishing to 15 to
20 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet.
.MONDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY...Southeast winds around 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.THURSDAY...Southeast winds around 10 knots, increasing to around
15 knots in the afternoon. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 3 to
4 feet.
.FRIDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet,
occasionally to 6 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.

$$

GMZ475-220930-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
342 PM CDT Sun Apr 21 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING...

.TONIGHT...Northeast winds 20 to 25 knots. Seas 4 to 6 feet,
occasionally to 8 feet.
.MONDAY...Northeast winds around 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.THURSDAY...Southeast winds around 10 knots. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots. Seas 2 to
3 feet.
.FRIDAY...Southeast winds around 15 knots. Seas 3 to 4 feet.
.FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 6 feet,
occasionally to 8 feet.

$$