Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 170559
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
1258 AM CDT Fri Oct 17 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.

GMZ400-171800-
1258 AM CDT Fri Oct 17 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...

Tonight into Fri, winds will begin to increase slightly, with gusts
around 15-18 kts. Now through the weekend, waves will range 1 - 3
ft. Rain chances will return on late Friday and continue until the
passage of a cold front on Sunday. Brief onshore flow will take
place before resuming onshore Monday afternoon.

$$

GMZ430-171800-
Sabine Lake-
1258 AM CDT Fri Oct 17 2025

.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots late. Lake waters choppy.
.TONIGHT...Southeast winds 5 to 10 knots. Lake waters light chop.
.SATURDAY...Southeast winds 5 to 10 knots. Lake waters light
chop. A chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Lake waters light chop. A chance of showers. A
chance of thunderstorms after midnight.
.SUNDAY...North winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light
chop.
.MONDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Lake waters light chop.
.MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...South winds around 5 knots. Lake waters smooth.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
after midnight. Lake waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-171800-
Calcasieu Lake-
1258 AM CDT Fri Oct 17 2025

.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots late. Lake waters choppy.
.TONIGHT...Southeast winds around 10 knots. Lake waters light
chop.
.SATURDAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots in the afternoon. Lake waters
choppy. A slight chance of thunderstorms. A slight chance of
showers in the morning, then a chance of showers in the
afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Lake waters light chop. A slight chance of
showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight.
.SUNDAY...Northwest winds 5 to 10 knots, becoming north 10 to
15 knots with gusts up to 20 knots in the afternoon. Lake waters
choppy. A slight chance of showers and thunderstorms in the
morning.
.SUNDAY NIGHT...Northeast winds around 10 knots. Lake waters
light chop.
.MONDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Lake waters light chop.
.MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...South winds 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming east after
midnight. Lake waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-171800-
Vermilion and West Cote Blanche Bays-
1258 AM CDT Fri Oct 17 2025

.TODAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots late. Bay waters choppy.
.TONIGHT...Southeast winds around 10 knots. Bay waters light
chop.
.SATURDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Bay waters light chop. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.SUNDAY...Northwest winds 5 to 10 knots, becoming north 10 to
15 knots in the afternoon. Bay waters choppy. A slight chance of
showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters
choppy.
.MONDAY...East winds around 10 knots, becoming southeast in the
afternoon. Bay waters light chop.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
.TUESDAY...South winds 5 to 10 knots. Bay waters light chop.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming
northeast after midnight. Bay waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-171800-
Atchafalaya and East Cote Blanche Bays-
1258 AM CDT Fri Oct 17 2025

.TODAY...Southeast winds 5 to 10 knots. Bay waters light chop.
.TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop.
.SATURDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Bay waters choppy. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Bay waters light chop. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.SUNDAY...Northwest winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light
chop.
.MONDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Bay waters light chop.
.MONDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.TUESDAY...South winds around 5 knots, becoming southwest in the
afternoon. Bay waters smooth.
.TUESDAY NIGHT...South winds around 5 knots, becoming east after
midnight. Bay waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-171800-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1258 AM CDT Fri Oct 17 2025

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 5 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers
with a slight chance of thunderstorms.
.SATURDAY NIGHT...South winds around 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance
of thunderstorms. A slight chance of showers in the evening, then
a chance of showers after midnight.
.SUNDAY...Northwest winds 10 to 15 knots, becoming northeast in
the afternoon. Seas around 2 feet. Wave Detail: North 2 feet at
5 seconds. A slight chance of showers and thunderstorms in the
morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Northeast 2 feet at 4 seconds and southwest
1 foot at 5 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas 1 foot or
less, then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-171800-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
1258 AM CDT Fri Oct 17 2025

.TODAY...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.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers.
A slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas around 2 feet. Wave Detail: South 2 feet at
5 seconds. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.
.SUNDAY...Northwest winds 10 to 15 knots, becoming north in the
afternoon. Seas around 2 feet. Wave Detail: West 2 feet at
4 seconds and northeast 2 feet at 5 seconds. A slight chance of
showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 4 seconds and west 1 foot at
4 seconds.
.MONDAY...East winds 10 to 15 knots. Seas around 2 feet.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming east 10 to
15 knots after midnight. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-171800-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
1258 AM CDT Fri Oct 17 2025

.TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 1 foot at 3 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 3 seconds.
.SATURDAY...Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 3 seconds. A chance of showers.
A slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas around 2 feet. Wave Detail: South 1 foot at
2 seconds. A chance of showers and thunderstorms.
.SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 3 seconds. A slight chance of showers and
thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: North 2 feet at 3 seconds.
.MONDAY...East winds 5 to 10 knots. Seas around 2 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less.
.TUESDAY...South winds around 5 knots, becoming north in the
afternoon. Seas 1 foot or less.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming east after
midnight. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-171800-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
1258 AM CDT Fri Oct 17 2025

.TODAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TONIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at
5 seconds.
.SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. A slight chance of
thunderstorms in the morning. A chance of showers.
.SATURDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 5 seconds. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.SUNDAY...Northwest winds 10 to 15 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet. Wave Detail: West 3 feet at
5 seconds and northeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 3 feet at 5 seconds and southwest 1 foot
at 5 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-171800-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
1258 AM CDT Fri Oct 17 2025

.TODAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TONIGHT...Southeast winds around 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers.
A slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
thunderstorms. A slight chance of showers in the evening, then a
chance of showers after midnight.
.SUNDAY...Northwest winds 10 to 15 knots, becoming north in the
afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
6 seconds and northwest 2 feet at 4 seconds. A chance of showers
and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: Northeast 3 feet at 5 seconds and northwest 2 feet
at 5 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
3 feet.
.TUESDAY...South winds 5 to 10 knots, becoming east in the
afternoon. Seas around 2 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-171800-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
1258 AM CDT Fri Oct 17 2025

.TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds.
.TONIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of
showers and thunderstorms in the morning, then a chance of
showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 10 knots, becoming southwest
after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet
at 6 seconds. A chance of showers and thunderstorms.
.SUNDAY...Northwest winds around 10 knots, becoming north in the
afternoon. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at
6 seconds and northwest 2 feet at 4 seconds. A chance of showers
and thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet.
Wave Detail: North 4 feet at 5 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...Southeast winds 5 to 10 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$