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FZUS54 KLCH 121858
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
1258 PM CST Fri Dec 12 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.

GMZ400-130700-
1258 PM CST Fri Dec 12 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...

Guidance has trended toward areas of fog developing with warm
dewpoints moving over cooler shelf and lake waters tonight. A
marine dense fog advisory is possible tonight. Winds offshore
will remain out of the south with varying SE components through
early Saturday afternoon. Occasional showers are possible this
evening and Saturday, but coverage appears limited. Overnight
Saturday into Sunday a very robust cold front will push offshore.
Gale Watch may necessary for this period, but at the very least
Small Craft Advisory criteria will be well exceeded including
lakes and bays. Winds will slowly ease into Monday before veering
east.


$$

GMZ430-130700-
Sabine Lake-
1258 PM CST Fri Dec 12 2025

.TONIGHT...Southeast winds around 5 knots, becoming east late
this evening and overnight. Lake waters smooth. A slight chance
of showers late this evening. Areas of fog late this evening and
overnight.
.SATURDAY...Southeast winds around 5 knots. Lake waters smooth.
Patchy fog in the morning. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming north
10 to 15 knots after midnight. Lake waters choppy. A slight
chance of showers in the evening, then showers likely with a
chance of thunderstorms after midnight.
.SUNDAY...Northeast winds 15 to 20 knots, increasing to 20 to
25 knots in the afternoon. Lake waters very rough. A chance of
showers with a slight chance of thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Lake waters very rough.
.MONDAY...Northeast winds 10 to 15 knots, becoming east around
5 knots in the afternoon. Lake waters choppy.
.MONDAY NIGHT...East winds around 5 knots. Lake waters smooth.
.TUESDAY...East winds 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers in the evening, then a chance of
showers after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers in the morning.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Lake waters
choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-130700-
Calcasieu Lake-
1258 PM CST Fri Dec 12 2025

.TONIGHT...South winds around 5 knots, becoming east around
5 knots late this evening and overnight. Lake waters smooth. A
slight chance of showers late this evening. Areas of dense fog
late this evening and overnight.
.SATURDAY...Southeast winds 5 to 10 knots. Lake waters light
chop. Areas of dense fog in the morning. A slight chance of
showers in the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming
northeast 10 to 15 knots after midnight. Lake waters choppy. A
slight chance of showers in the evening, then showers likely with
a chance of thunderstorms after midnight.
.SUNDAY...Northeast winds 20 to 25 knots with gusts up to
30 knots. Lake waters very rough. A chance of showers with a
slight chance of thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 20 to 25 knots with gusts up to
30 knots. Lake waters very rough.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 5 to
10 knots in the afternoon. Lake waters rough.
.MONDAY NIGHT...East winds around 5 knots. Lake waters smooth.
.TUESDAY...East winds 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...Southeast winds around 10 knots. Lake waters
light chop. A slight chance of showers in the evening, then a
chance of showers after midnight.
.WEDNESDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
A slight chance of showers in the morning.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Lake waters
choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-130700-
Vermilion and West Cote Blanche Bays-
1258 PM CST Fri Dec 12 2025

.TONIGHT...Southeast winds around 5 knots. Bay waters smooth.
Areas of dense fog after midnight. Patchy fog late.
.SATURDAY...Southeast winds around 5 knots. Bay waters smooth.
Areas of dense fog in the morning. A slight chance of showers in
the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming east
after midnight. Bay waters light chop. A chance of showers with a
slight chance of thunderstorms after midnight.
.SUNDAY...North winds 20 to 25 knots. Bay waters very rough. A
chance of showers in the morning.
.SUNDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Bay waters very 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. Bay waters light chop.
.TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop.
A slight chance of showers after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Bay waters
light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-130700-
Atchafalaya and East Cote Blanche Bays-
1258 PM CST Fri Dec 12 2025

.TONIGHT...Southeast winds around 5 knots. Bay waters smooth. A
slight chance of showers early this evening. Areas of fog after
midnight.
.SATURDAY...Southeast winds around 5 knots. Bay waters smooth.
Patchy dense fog in the morning. A slight chance of showers in
the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming east
after midnight. Bay waters smooth. A chance of showers after
midnight.
.SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots.
Bay waters rough. A chance of showers in the morning.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to
25 knots. Bay waters rough.
.MONDAY...Northeast winds 10 to 15 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 around 5 knots. Bay waters smooth.
.TUESDAY NIGHT...East winds around 5 knots. Bay waters smooth. A
slight chance of showers after midnight.
.WEDNESDAY...East winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
light chop.

$$

GMZ450-130700-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1258 PM CST Fri Dec 12 2025

.TONIGHT...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: South 1 foot at 4 seconds. A slight chance of showers
late this evening. A slight chance of showers late. Areas of
dense fog late this evening and overnight.
.SATURDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 4 seconds. Areas of dense fog in the
morning. A slight chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming
northeast after midnight. Seas 1 foot or less. Wave Detail:
Southeast 1 foot at 4 seconds. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight.
.SUNDAY...Northeast winds 20 to 25 knots with gusts up to
30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail:
Northeast 4 feet at 4 seconds and south 1 foot at 5 seconds. A
chance of showers with a slight chance of thunderstorms in the
morning.
.SUNDAY NIGHT...Northeast winds 20 to 25 knots with gusts up to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail:
Northeast 5 feet at 5 seconds.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail:
Northeast 3 feet at 4 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas around 2 feet.
A chance of showers, mainly in the morning.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-130700-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
1258 PM CST Fri Dec 12 2025

.TONIGHT...Southeast winds around 5 knots. Seas around 2 feet
this evening, then 1 foot or less. Wave Detail: South 1 foot at
4 seconds, becoming south 1 foot at 5 seconds. Areas of dense fog
late this evening and overnight. A slight chance of showers after
midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. Areas of dense fog in
the morning. A slight chance of showers in the afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming
northeast 10 to 15 knots after midnight. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. A slight chance of
showers in the evening, then showers likely with a slight chance
of thunderstorms after midnight.
.SUNDAY...Northeast winds 25 to 30 knots. Seas 2 to 4 feet,
building to 4 to 6 feet, occasionally to 8 feet in the afternoon.
Wave Detail: Northeast 4 feet at 4 seconds and south 1 foot at
5 seconds, becoming northeast 5 feet at 4 seconds. A chance of
showers with a slight chance of thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 25 to 30 knots, diminishing to
20 to 25 knots after midnight. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: Northeast 5 feet at 4 seconds.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail:
Northeast 3 feet at 4 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas around 2 feet.
A chance of showers, mainly in the morning.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-130700-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
1258 PM CST Fri Dec 12 2025

.TONIGHT...Southeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 4 seconds. A slight chance of
showers. Areas of dense fog after midnight.
.SATURDAY...East winds around 5 knots. Seas 1 foot or less. Wave
Detail: Southeast 1 foot at 3 seconds. Areas of dense fog in the
morning. A slight chance of showers.
.SATURDAY NIGHT...East winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 3 seconds. A chance of showers
after midnight.
.SUNDAY...North winds 20 to 25 knots with gusts up to 30 knots.
Seas 2 to 4 feet. Wave Detail: North 3 feet at 3 seconds and
south 1 foot at 3 seconds. A chance of showers with a slight
chance of thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail:
Northeast 3 feet at 3 seconds.
.MONDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots in the afternoon. Seas
2 to 3 feet, subsiding to 1 to 2 feet in the afternoon. Wave
Detail: Northeast 2 feet at 3 seconds, becoming northeast 1 foot
at 3 seconds.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. A slight chance of showers after midnight.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-130700-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
1258 PM CST Fri Dec 12 2025

.TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. Areas of dense fog late this
evening and overnight. A slight chance of showers and
thunderstorms after midnight. A slight chance of showers late.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 5 seconds. Areas of dense fog in
the morning. A slight chance of showers and thunderstorms in the
afternoon.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming
northeast after midnight. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 5 seconds. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight.
.SUNDAY...Northeast winds 25 to 30 knots. Seas 3 to 5 feet,
occasionally to 6 feet, building to 6 to 9 feet, occasionally to
11 feet in the afternoon. Wave Detail: Northeast 4 feet at
5 seconds and south 2 feet at 5 seconds, becoming northeast
7 feet at 6 seconds and south 1 foot at 5 seconds. Showers likely
with a chance of thunderstorms in the morning, then a slight
chance of showers in the afternoon.
.SUNDAY NIGHT...Northeast winds 25 to 30 knots, diminishing to
20 to 25 knots after midnight. Seas 6 to 9 feet, occasionally to
11 feet. Wave Detail: Northeast 7 feet at 6 seconds.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 2 to 4 feet in the afternoon. Wave Detail:
Northeast 5 feet at 6 seconds, becoming east 4 feet at 6 seconds.
.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 10 to 15 knots. Seas 2 to
3 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A
chance of showers, mainly in the morning.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-130700-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
1258 PM CST Fri Dec 12 2025

.TONIGHT...Southeast winds around 5 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. Areas of dense fog
late this evening and overnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds. Areas of dense fog in
the morning.
.SATURDAY NIGHT...Southeast winds around 5 knots, becoming east
after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet
at 4 seconds. A slight chance of thunderstorms. A slight chance
of showers in the evening, then a chance of showers after
midnight.
.SUNDAY...Northeast winds 25 to 30 knots. Seas 3 to 5 feet,
occasionally to 6 feet, building to 6 to 9 feet, occasionally to
11 feet in the afternoon. Wave Detail: Northeast 4 feet at
4 seconds and south 1 foot at 5 seconds, becoming northeast
7 feet at 6 seconds and southwest 1 foot at 5 seconds. Showers
likely with a slight chance of thunderstorms in the morning, then
a slight chance of showers in the afternoon.
.SUNDAY NIGHT...Northeast winds 25 to 30 knots, diminishing to
20 to 25 knots after midnight. Seas 5 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 7 feet at 6 seconds.
.MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet, subsiding to 2 to 4 feet in the afternoon. Wave Detail:
Northeast 5 feet at 6 seconds, becoming northeast 4 feet at
6 seconds.
.MONDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY...East winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. A slight chance of showers in the evening, then a chance
of showers after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas around 2 feet.
A chance of showers.
.WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.
A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-130700-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
1258 PM CST Fri Dec 12 2025

.TONIGHT...Southeast winds around 5 knots. Seas around 2 feet
this evening, then 1 foot or less. Wave Detail: Southwest 1 foot
at 4 seconds, becoming south 1 foot at 5 seconds. A slight chance
of showers this evening. Areas of dense fog late.
.SATURDAY...Southeast winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds.
.SATURDAY NIGHT...East winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers
after midnight.
.SUNDAY...North winds 20 to 25 knots, becoming northeast 25 to
30 knots in the afternoon. Seas 2 to 4 feet, building to 5 to
7 feet, occasionally to 9 feet in the afternoon. Wave Detail:
North 3 feet at 4 seconds and southwest 1 foot at 5 seconds,
becoming north 6 feet at 5 seconds. A slight chance of
thunderstorms. Showers likely, mainly in the morning.
.SUNDAY NIGHT...Northeast winds 25 to 30 knots, diminishing to
20 to 25 knots after midnight. Seas 5 to 8 feet, occasionally to
10 feet. Wave Detail: Northeast 7 feet at 6 seconds.
.MONDAY...Northeast winds 15 to 20 knots with gusts up to
25 knots, diminishing to 10 to 15 knots in the afternoon. Seas
4 to 6 feet, occasionally to 8 feet, subsiding to 2 to 4 feet in
the afternoon. Wave Detail: Northeast 6 feet at 6 seconds,
becoming northeast 4 feet at 6 seconds.
.MONDAY NIGHT...East winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Seas 2 to 3 feet.
.TUESDAY...East winds around 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet. A slight chance of showers after midnight.
.WEDNESDAY...Southeast winds around 10 knots. Seas around 2 feet.
A chance of showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. A slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$