National Weather Service Marine Forecast FZUS54 KLCH
FZUS54 KLCH 040607
CWFLCH
Coastal Waters Forecast
National Weather Service Lake Charles LA
1207 AM CST Wed Mar 4 2026
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.
GMZ400-041900
1207 AM CST Wed Mar 4 2026
.Synopsis for Lower Atchafalaya River LA to High Island TX out 60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays...
Persistent onshore flow will prevail with winds generally between 10 and 15 knots and seas around 1 to 3 feet. Overall, the main concern will be dense fog each night going into the weekend.
GMZ430-041900
Sabine Lake
1207 AM CST Wed Mar 4 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
Southeast winds 5 to 10 knots, becoming south 10 to
15 knots late. Lake waters choppy.
TONIGHT
Southeast winds 10 to 15 knots. Lake waters choppy.
THURSDAY
Southeast winds 10 to 15 knots. Lake waters choppy.
THURSDAY NIGHT
Southeast winds 10 to 15 knots. Lake waters
choppy.
FRIDAY
Southeast winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy. A chance of showers with a slight
chance of thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy.
SATURDAY
Southeast winds 10 to 15 knots. Lake waters choppy. A
chance of showers in the morning, then showers likely with a
slight chance of thunderstorms in the afternoon.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Lake waters
light chop. A slight chance of thunderstorms in the evening. A
chance of showers.
SUNDAY
Southeast winds 5 to 10 knots. Lake waters light chop.
A chance of thunderstorms. A chance of showers in the morning,
then showers likely in the afternoon.
SUNDAY NIGHT
Southeast winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers in the evening.
Winds and waves higher in and near thunderstorms.
GMZ432-041900
Calcasieu Lake
1207 AM CST Wed Mar 4 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
Southeast winds 5 to 10 knots, becoming south 10 to
15 knots late. Lake waters choppy.
TONIGHT
Southeast winds 10 to 15 knots. Lake waters choppy.
THURSDAY
Southeast winds 10 to 15 knots. Lake waters choppy.
THURSDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy.
FRIDAY
Southeast winds 10 to 15 knots with gusts up to
25 knots. Lake waters choppy. A slight chance of showers and
thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Lake waters rough.
SATURDAY
Southeast winds 10 to 15 knots. Lake waters choppy. A
chance of showers. A slight chance of thunderstorms in the
afternoon.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Lake waters
light chop. A chance of showers, mainly in the evening.
SUNDAY
Southeast winds 5 to 10 knots. Lake waters light chop.
A chance of showers with a slight chance of thunderstorms.
SUNDAY NIGHT
Southeast winds 5 to 10 knots. Lake waters light
chop. A chance of showers in the evening.
Winds and waves higher in and near thunderstorms.
GMZ435-041900
Vermilion and West Cote Blanche Bays
1207 AM CST Wed Mar 4 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
Southeast winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms late this morning and
early afternoon. A slight chance of showers late.
TONIGHT
Southeast winds 5 to 10 knots. Bay waters light chop.
THURSDAY
Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters choppy.
THURSDAY NIGHT
Southeast winds around 10 knots. Bay waters
light chop.
FRIDAY
Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. A chance of showers with a slight
chance of thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds 10 to 15 knots. Bay waters
choppy.
SATURDAY
Southeast winds 10 to 15 knots. Bay waters choppy. A
chance of showers with a slight chance of thunderstorms in the
afternoon.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters light
chop. A chance of showers with a slight chance of thunderstorms
in the evening.
SUNDAY
Southeast winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
SUNDAY NIGHT
Southeast winds around 5 knots. Bay waters
smooth. A slight chance of showers in the evening.
Winds and waves higher in and near thunderstorms.
GMZ436-041900
Atchafalaya and East Cote Blanche Bays
1207 AM CST Wed Mar 4 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
Southeast winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers.
TONIGHT
Southeast winds 5 to 10 knots. Bay waters light chop.
THURSDAY
Southeast winds 5 to 10 knots. Bay waters light chop.
A slight chance of showers in the afternoon.
THURSDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters light
chop.
FRIDAY
Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters choppy. A chance of showers
and thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds 5 to 10 knots. Bay waters light
chop.
SATURDAY
Southeast winds 5 to 10 knots. Bay waters light chop.
A chance of showers with a slight chance of thunderstorms in the
afternoon.
SATURDAY NIGHT
Southeast winds around 5 knots. Bay waters
smooth. A chance of showers in the evening.
SUNDAY
Southeast winds around 5 knots. Bay waters smooth. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
SUNDAY NIGHT
Southeast winds around 5 knots. Bay waters
smooth. A slight chance of showers in the evening.
Winds and waves higher in and near thunderstorms.
GMZ450-041900
Coastal waters from Cameron LA to High Island TX out 20 NM
1207 AM CST Wed Mar 4 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
TONIGHT
Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
THURSDAY
Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
THURSDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 4 seconds.
FRIDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds. A chance of showers with a
slight chance of thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds.
SATURDAY
Southeast winds around 10 knots. Seas 2 to 3 feet. A
chance of showers in the morning, then showers likely with a
slight chance of thunderstorms in the afternoon.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers.
SUNDAY
East winds 5 to 10 knots. Seas around 2 feet. A slight
chance of thunderstorms. A chance of showers in the morning, then
showers likely in the afternoon.
SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers in the evening.
Winds and seas higher in and near thunderstorms.
GMZ452-041900
Coastal waters from Intracoastal City to Cameron LA out 20 NM
1207 AM CST Wed Mar 4 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 4 seconds.
TONIGHT
Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 4 seconds.
THURSDAY
Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 5 seconds.
THURSDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 3 feet at 4 seconds.
FRIDAY
Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
4 seconds. A slight chance of showers and thunderstorms in the
afternoon.
FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 4 seconds.
SATURDAY
Southeast winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers in the morning, then a chance of showers
with a slight chance of thunderstorms in the afternoon.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers, mainly in the evening.
SUNDAY
Southeast winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers in the morning, then a chance of showers
with a slight chance of thunderstorms in the afternoon.
SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers in the evening.
Winds and seas higher in and near thunderstorms.
GMZ455-041900
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM
1207 AM CST Wed Mar 4 2026
DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM CST THIS MORNING
TODAY
Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 2 seconds. A slight chance of
showers until late afternoon.
TONIGHT
Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 2 seconds.
THURSDAY
Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 2 seconds. A slight chance of
showers in the afternoon.
THURSDAY NIGHT
Southeast winds around 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 3 seconds.
FRIDAY
Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 3 seconds. A chance of showers
and thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds around 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 3 seconds.
SATURDAY
Southeast winds 5 to 10 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms in the
afternoon.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas around
2 feet. A chance of showers in the evening.
SUNDAY
Southeast winds around 5 knots. Seas 1 to 2 feet. A
slight chance of showers in the morning, then a chance of showers
in the afternoon.
SUNDAY NIGHT
Southeast winds around 5 knots. Seas 1 foot or
less. A slight chance of showers in the evening.
Winds and seas higher in and near thunderstorms.
GMZ470-041900
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM
1207 AM CST Wed Mar 4 2026
TODAY
Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
THURSDAY
Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
THURSDAY NIGHT
Southeast winds around 15 knots with gusts up
to 20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at
6 seconds.
FRIDAY
Southeast winds around 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
6 seconds.
SATURDAY
Southeast winds around 10 knots. Seas 3 to 4 feet. A
slight chance of showers in the morning, then a chance of showers
with a slight chance of thunderstorms in the afternoon.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas 3 to
4 feet. A chance of showers, mainly in the evening.
SUNDAY
East winds 5 to 10 knots. Seas 2 to 3 feet. A chance of
showers.
SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers in the evening.
Winds and seas higher in and near thunderstorms.
GMZ472-041900
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM
1207 AM CST Wed Mar 4 2026
TODAY
Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
TONIGHT
Southeast winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
THURSDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
THURSDAY NIGHT
Southeast winds 10 to 15 knots. Seas around
3 feet. Wave Detail: Southeast 3 feet at 6 seconds.
FRIDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
and thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at
6 seconds.
SATURDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers in the morning, then a chance of showers
with a slight chance of thunderstorms in the afternoon.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas 3 to
4 feet. A chance of showers, mainly in the evening.
SUNDAY
East winds 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of showers in the morning, then a chance of showers in the
afternoon.
SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers in the evening.
Winds and seas higher in and near thunderstorms.
GMZ475-041900
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM
1207 AM CST Wed Mar 4 2026
TODAY
Southeast winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A slight chance of showers
late this morning.
TONIGHT
Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
THURSDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers in the afternoon.
THURSDAY NIGHT
Southeast winds 10 to 15 knots. Seas 2 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds.
FRIDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds. A slight chance of showers
and thunderstorms in the afternoon.
FRIDAY NIGHT
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 7 seconds.
SATURDAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers in the afternoon.
SATURDAY NIGHT
Southeast winds around 10 knots. Seas 2 to
4 feet. A slight chance of showers in the evening.
SUNDAY
East winds 5 to 10 knots. Seas 2 to 4 feet. A chance of
showers in the afternoon.
SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers in the evening.
Winds and seas higher in and near thunderstorms.
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