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Coastal Waters Forecast
National Weather Service Lake Charles LA
114 AM CDT Sat Oct 18 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.

GMZ400-181900-
114 AM CDT Sat Oct 18 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...

Onshore winds are forecast to pickup this morning with gusts
around 15-18 kts by the afternoon. Now through the weekend, waves
will build 2 - 4 ft. Rain chances will continue until the passage
of a cold front early Sunday. Brief, but enhanced, offshore flow
will take place before resuming onshore Monday afternoon.

$$

GMZ430-181900-
Sabine Lake-
114 AM CDT Sat Oct 18 2025

.TODAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots this afternoon. Lake waters choppy. A chance of showers
with a slight chance of thunderstorms late this morning. A chance
of showers and thunderstorms this afternoon.
.TONIGHT...Southwest winds around 10 knots, becoming northwest
after midnight. Lake waters light chop. A chance of showers and
thunderstorms.
.SUNDAY...North winds 10 to 15 knots with gusts up to 20 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...Southwest winds around 5 knots. Lake waters smooth.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light
chop.
.WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Lake waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-181900-
Calcasieu Lake-
114 AM CDT Sat Oct 18 2025

.TODAY...Southeast winds 5 to 10 knots, becoming south 10 to
15 knots with gusts up to 20 knots this afternoon. Lake waters
choppy. A slight chance of showers and thunderstorms this
morning, then showers likely with a chance of thunderstorms this
afternoon.
.TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots,
becoming northwest after midnight. Lake waters choppy. A chance
of showers and thunderstorms.
.SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots.
Lake waters rough.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters
choppy.
.MONDAY...East winds around 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 around 5 knots. Lake waters smooth.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light
chop.
.WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Lake waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-181900-
Vermilion and West Cote Blanche Bays-
114 AM CDT Sat Oct 18 2025

.TODAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. A chance of showers this morning,
then showers likely with a chance of thunderstorms this
afternoon.
.TONIGHT...South winds 10 to 15 knots, becoming west after
midnight. Bay waters choppy. Showers likely with a chance of
thunderstorms in the evening, then a chance of showers with a
slight chance of thunderstorms after midnight.
.SUNDAY...North winds 15 to 20 knots. Bay waters rough.
.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...Southwest winds around 5 knots. Bay waters smooth.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming
northeast after midnight. Bay waters light chop.
.WEDNESDAY...Northeast 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.

$$

GMZ436-181900-
Atchafalaya and East Cote Blanche Bays-
114 AM CDT Sat Oct 18 2025

.TODAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots late this morning and
afternoon. Bay waters choppy. A slight chance of showers this
morning, then a chance of showers and thunderstorms this
afternoon.
.TONIGHT...South winds 10 to 15 knots, becoming west after
midnight. Bay waters choppy. Showers likely. A chance of
thunderstorms, mainly in the evening.
.SUNDAY...North 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 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...Southeast winds around 5 knots. Bay waters
smooth.
.TUESDAY...South winds around 5 knots, becoming west in the
afternoon. Bay waters smooth.
.TUESDAY NIGHT...Northwest winds around 5 knots, becoming
northeast after midnight. Bay waters light chop.
.WEDNESDAY...Northeast 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.

$$

GMZ450-181900-
Coastal waters from Cameron LA to High Island TX out 20 NM-
114 AM CDT Sat Oct 18 2025

.TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. A slight chance of
thunderstorms this morning. A chance of showers. A chance of
thunderstorms this afternoon.
.TONIGHT...Southwest winds 10 to 15 knots, becoming west after
midnight. 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...North winds 15 to 20 knots. Seas 2 to 4 feet. Wave
Detail: North 3 feet at 4 seconds.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Northeast 2 feet at 4 seconds.
.MONDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: East 2 feet at 4 seconds.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 4 seconds.
.TUESDAY...Southwest 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 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.

$$

GMZ452-181900-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
114 AM CDT Sat Oct 18 2025

.TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 4 seconds. A chance of showers with a
slight chance of thunderstorms this morning, then showers likely
with a chance of thunderstorms this afternoon.
.TONIGHT...South winds 10 to 15 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
5 seconds. A chance of showers and thunderstorms in the evening,
then a chance of showers with a slight chance of thunderstorms
after midnight.
.SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots.
Seas 2 to 4 feet. Wave Detail: Northwest 3 feet at 4 seconds and
northeast 2 feet at 5 seconds.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet.
Wave Detail: North 3 feet at 4 seconds.
.MONDAY...East winds 10 to 15 knots, becoming southeast in the
afternoon. Seas around 2 feet. Wave Detail: East 2 feet at
4 seconds.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 3 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less.
.TUESDAY NIGHT...Northwest 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 10 to 15 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-181900-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
114 AM CDT Sat Oct 18 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ470-181900-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
114 AM CDT Sat Oct 18 2025

.TODAY...South 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 early this morning, then a chance
of thunderstorms late this morning and afternoon.
.TONIGHT...Southwest winds around 10 knots, becoming west after
midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at
5 seconds. A slight chance of showers and thunderstorms.
.SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 4 feet. Wave Detail: North 4 feet at 5 seconds.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail:
Northeast 4 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 5 seconds.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 7 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
10 to 15 knots after midnight. Seas around 2 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
.WEDNESDAY NIGHT...East winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-181900-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
114 AM CDT Sat Oct 18 2025

.TODAY...South winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: South 3 feet at 5 seconds. A chance of showers with a
slight chance of thunderstorms this morning, then showers likely
with a chance of thunderstorms this afternoon.
.TONIGHT...Southwest winds 10 to 15 knots, becoming west after
midnight. Seas around 3 feet. Wave Detail: South 3 feet at
5 seconds. A chance of thunderstorms in the evening. A chance of
showers.
.SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 4 feet. Wave Detail: Northwest 4 feet at 5 seconds and
east 3 feet at 6 seconds. A slight chance of showers in the
morning.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet.
Wave Detail: North 3 feet at 5 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 6 seconds.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 7 seconds.
.TUESDAY...South winds 5 to 10 knots, becoming northwest in the
afternoon. Seas around 2 feet.
.TUESDAY NIGHT...Northeast winds 5 to 10 knots, increasing to
10 to 15 knots after midnight. 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.

$$

GMZ475-181900-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
114 AM CDT Sat Oct 18 2025

.TODAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. A chance of showers this
morning. A chance of thunderstorms. Showers likely this
afternoon.
.TONIGHT...South winds around 10 knots, becoming west after
midnight. Seas around 3 feet. Wave Detail: Southeast 3 feet at
6 seconds. Showers likely with a chance of thunderstorms in the
evening, then a chance of showers with a slight chance of
thunderstorms after midnight.
.SUNDAY...North winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: Northwest 3 feet at 4 seconds and southeast 3 feet at
6 seconds. A chance of showers with a slight chance of
thunderstorms in the morning.
.SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: East 4 feet at 7 seconds and northwest 1 foot at
5 seconds.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 7 seconds.
.TUESDAY...South winds around 5 knots, becoming north in the
afternoon. Seas around 2 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 10 to 15 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$