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FZUS54 KLCH 171739
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Coastal Waters Forecast
National Weather Service Lake Charles LA
1239 PM 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.

GMZ400-180600-
1239 PM 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 continue until the passage of a cold
front on Sunday. Brief offshore flow will take place before
resuming onshore Monday afternoon.

$$

GMZ430-180600-
Sabine Lake-
1239 PM CDT Fri Oct 17 2025

.TONIGHT...Southeast winds 5 to 10 knots. Lake waters light chop.
.SATURDAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots in the afternoon. Lake 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 west after
midnight. Lake waters light chop. A chance of showers. A chance
of thunderstorms, mainly in the evening.
.SUNDAY...North winds 10 to 15 knots. Lake waters choppy.
.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 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming northeast
after midnight. Lake waters light chop.
.WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters
light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-180600-
Calcasieu Lake-
1239 PM CDT Fri Oct 17 2025

.TONIGHT...Southeast winds 10 to 15 knots. Lake waters choppy.
.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. Showers likely with a chance of thunderstorms in the
afternoon.
.SATURDAY NIGHT...South winds around 10 knots with gusts up to
20 knots, becoming west after midnight. Lake waters light chop. A
chance of showers. A chance of thunderstorms, mainly in the
evening.
.SUNDAY...North winds 10 to 15 knots with gusts up to 20 knots.
Lake waters choppy.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters
choppy.
.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...Southwest winds 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming
northeast after midnight. Lake waters light chop.
.WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters
light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-180600-
Vermilion and West Cote Blanche Bays-
1239 PM CDT Fri Oct 17 2025

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

Winds and waves higher in and near thunderstorms.

$$

GMZ436-180600-
Atchafalaya and East Cote Blanche Bays-
1239 PM CDT Fri Oct 17 2025

.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 around 10 knots, becoming southwest
after midnight. Bay waters light chop. A chance of showers and
thunderstorms in the evening, then showers likely with a slight
chance of 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...Southeast winds around 5 knots, becoming west in the
afternoon. Bay waters smooth.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Bay waters light chop.
.WEDNESDAY...East winds 5 to 10 knots. Bay waters light chop.
.WEDNESDAY NIGHT...East winds around 5 knots. Bay waters smooth.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-180600-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1239 PM CDT Fri Oct 17 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 4 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 showers
and thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds around 10 knots, becoming west
after midnight. Seas around 2 feet. Wave Detail: South 2 feet at
5 seconds. A chance of thunderstorms in the evening. A chance of
showers.
.SUNDAY...North winds 10 to 15 knots with gusts up to 20 knots.
Seas around 2 feet. Wave Detail: North 2 feet at 5 seconds.
.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.
Wave Detail: Southeast 2 feet at 4 seconds.
.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 5 to 10 knots, becoming
northeast 10 to 15 knots after midnight. Seas 1 foot or less,
then around 2 feet after midnight.
.WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-180600-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
1239 PM CDT Fri Oct 17 2025

.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 slight chance of
showers in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots, becoming southwest
after midnight. Seas around 2 feet. Wave Detail: South 2 feet at
5 seconds. A chance of showers. A chance of thunderstorms, mainly
in the evening.
.SUNDAY...North winds 10 to 15 knots with gusts up to 20 knots.
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 around 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. Wave
Detail: East 2 feet at 4 seconds.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY...Southwest winds 5 to 10 knots, becoming west in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming
northeast 10 to 15 knots after midnight. Seas 1 foot or less.
.WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet in the
morning, then 1 foot or less.
.WEDNESDAY NIGHT...East winds around 10 knots. Seas 1 foot or
less, then around 2 feet after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-180600-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
1239 PM CDT Fri Oct 17 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 3 seconds.
.SATURDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 3 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 around 2 feet. Wave Detail: South 1 foot at
2 seconds. Showers likely. A chance of thunderstorms, mainly in
the evening.
.SUNDAY...Northwest winds 10 to 15 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. Wave
Detail: East 2 feet at 3 seconds.
.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...North winds 5 to 10 knots, becoming northeast
after midnight. Seas 1 foot or less.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-180600-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
1239 PM CDT Fri Oct 17 2025

.TONIGHT...Southeast winds around 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 chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southwest winds around 10 knots. Seas 2 to
3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of
showers.
.SUNDAY...North winds 15 to 20 knots. 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 around 15 knots with gusts up to
20 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. Wave
Detail: East 3 feet at 6 seconds.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
.TUESDAY...South winds 5 to 10 knots, becoming east in the
afternoon. Seas around 2 feet.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-180600-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
1239 PM CDT Fri Oct 17 2025

.TONIGHT...Southeast winds around 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds.
.SATURDAY...South 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 thunderstorms in the evening. A chance
of showers.
.SUNDAY...North winds 10 to 15 knots with gusts up to 20 knots.
Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and
northwest 2 feet at 4 seconds. A slight chance of showers and
thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds around 15 knots with gusts up to
20 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. Wave
Detail: Northeast 3 feet at 6 seconds.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...South winds 5 to 10 knots, becoming north in the
afternoon. Seas around 2 feet.
.TUESDAY NIGHT...East winds 5 to 10 knots, becoming northeast
10 to 15 knots after midnight. Seas around 2 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...East winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-180600-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
1239 PM CDT Fri Oct 17 2025

.TONIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms late.
.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. Showers likely with a chance of thunderstorms.
.SUNDAY...Northwest winds 10 to 15 knots. 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. Wave
Detail: East 3 feet at 7 seconds and northwest 1 foot at
5 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...Southeast winds around 5 knots, becoming northeast in
the afternoon. Seas 2 to 3 feet.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
2 feet.
.WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY NIGHT...East winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$