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FZUS54 KLCH 020540
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
1240 AM CDT Wed Jul 2 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.

GMZ400-021800-
1240 AM CDT Wed Jul 2 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...

Light to moderate onshore flow will continue, along with low
seas between 1 and 3 feet. The NHC has marked an invest area in
the eastern Gulf with a 40% chance of development over the next 7
days. It`s too early to determine whether there will be any
regional impacts, but we will continue to monitor the system and
update the forecast as needed.

$$

GMZ430-021800-
Sabine Lake-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds around 5 knots, becoming southwest around
5 knots late. Lake waters smooth. Hazy early this morning.
.TONIGHT...Southwest winds 5 to 10 knots. Lake waters light chop.
.THURSDAY...West winds around 5 knots, becoming southwest in the
afternoon. Lake waters smooth.
.THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth.
.FRIDAY...Light and variable winds, becoming south around 5 knots
in the afternoon. Lake waters smooth.
.FRIDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth.
.SATURDAY...Light and variable winds, becoming south around
5 knots in the afternoon. Lake waters smooth.
.SATURDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth.
.SUNDAY...North winds around 5 knots, becoming southeast in the
afternoon. Lake waters smooth. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds around 5 knots. Lake waters smooth. A
slight chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-021800-
Calcasieu Lake-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds around 5 knots, becoming southwest late. Lake
waters light chop. Hazy early this morning.
.TONIGHT...West winds 5 to 10 knots. Lake waters light chop.
.THURSDAY...West winds around 5 knots. Lake waters smooth. A
slight chance of showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters
light chop.
.FRIDAY...Northwest winds around 5 knots, becoming southwest
around 5 knots in the afternoon. Lake waters smooth.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Lake waters light chop.
.SATURDAY...North winds around 5 knots, becoming southeast around
5 knots in the afternoon. Lake waters smooth.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west
after midnight. Lake waters light chop. A slight chance of
showers and thunderstorms after midnight.
.SUNDAY...North winds around 5 knots, becoming southeast in the
afternoon. Lake waters smooth. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds around 5 knots. Lake waters smooth. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-021800-
Vermilion and West Cote Blanche Bays-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds 5 to 10 knots. Bay waters light chop. Hazy
early this morning. A slight chance of showers and thunderstorms.
.TONIGHT...West winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms.
.THURSDAY...Northwest winds around 5 knots. Bay waters smooth. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...West winds around 5 knots. Bay waters smooth. A
slight chance of showers and thunderstorms.
.FRIDAY...Northwest winds around 5 knots. Bay waters smooth. A
slight chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...West winds around 5 knots. Bay waters smooth. A
slight chance of showers after midnight.
.SATURDAY...North winds around 5 knots, becoming west in the
afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms in the afternoon.
.SATURDAY NIGHT...Southwest winds around 5 knots, becoming west
after midnight. Bay waters smooth. A slight chance of showers and
thunderstorms after midnight.
.SUNDAY...Northeast winds around 5 knots, becoming south in the
afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots, becoming southeast
after midnight. Bay waters light chop. A chance of showers with a
slight chance of thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-021800-
Atchafalaya and East Cote Blanche Bays-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds 5 to 10 knots. Bay waters light chop. Hazy
early this morning. A slight chance of showers and thunderstorms.
.TONIGHT...West winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.
.THURSDAY...Northwest winds around 5 knots. Bay waters smooth. A
slight chance of showers and thunderstorms in the morning, then a
chance of showers and thunderstorms in the afternoon.
.THURSDAY NIGHT...West winds around 5 knots. Bay waters smooth. A
slight chance of showers and thunderstorms.
.FRIDAY...Northwest winds around 5 knots. Bay waters smooth. A
slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Northwest winds around 5 knots. Bay waters
smooth. A slight chance of showers and thunderstorms.
.SATURDAY...North winds around 5 knots, becoming west in the
afternoon. Bay waters smooth. A slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...South winds around 5 knots, becoming east
around 5 knots after midnight. Bay waters smooth. A slight chance
of showers and thunderstorms after midnight.
.SUNDAY...Northeast winds around 5 knots, becoming south in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth. A chance of showers with a slight chance of
thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-021800-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds and southwest 1 foot at
3 seconds. Hazy early this morning.
.TONIGHT...Southwest winds around 10 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 3 seconds and south 1 foot at
6 seconds.
.THURSDAY...West winds 5 to 10 knots, becoming southwest in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: South 1 foot at 5 seconds.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 5 seconds.
.FRIDAY...Southwest winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less. Wave Detail: South 1 foot at 5 seconds.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 1 foot at 4 seconds.
.SATURDAY...West winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...North winds around 5 knots, becoming southeast in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms in the evening, then a
chance of showers and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-021800-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 2 feet at 3 seconds and south 1 foot at 6 seconds.
Hazy early this morning. A slight chance of showers and
thunderstorms late this morning.
.TONIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 3 seconds and south 1 foot at 6 seconds. A
slight chance of showers and thunderstorms after midnight.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: Southwest 1 foot at
5 seconds. A slight chance of showers and thunderstorms.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in
the evening, then 1 foot or less. Wave Detail: Southwest 1 foot
at 5 seconds, becoming south 1 foot at 4 seconds. A slight chance
of showers and thunderstorms after midnight.
.FRIDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave
Detail: Southwest 1 foot at 5 seconds. A slight chance of showers
and thunderstorms in the morning.
.FRIDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds. A slight chance of
showers and thunderstorms after midnight.
.SATURDAY...Northwest winds around 5 knots, becoming southwest in
the afternoon. Seas 1 foot or less. A slight chance of showers
and thunderstorms in the morning.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...North winds around 5 knots, becoming southeast in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms, mainly in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers. A slight chance of thunderstorms in the
evening, then a chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-021800-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: West 1 foot at 3 seconds. Hazy early this morning. A
slight chance of showers and thunderstorms until late afternoon.
.TONIGHT...West winds around 10 knots. Seas around 2 feet in the
evening, then 1 foot or less. Wave Detail: West 1 foot at
3 seconds. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
.THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.FRIDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. A slight chance of showers
and thunderstorms.
.FRIDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 3 seconds. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.SATURDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers and thunderstorms.
.SATURDAY NIGHT...South winds around 5 knots, becoming southeast
after midnight. Seas 1 foot or less. A chance of showers and
thunderstorms after midnight.
.SUNDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. A chance of showers. A slight chance of thunderstorms in
the evening, then a chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-021800-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds. Hazy early this morning.
.TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds.
.THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 5 seconds.
.FRIDAY...Southwest winds around 5 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 5 seconds.
.FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 1 foot at 5 seconds.
.SATURDAY...West winds around 5 knots, becoming east in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less.
.SATURDAY NIGHT...South winds around 5 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms after
midnight.
.SUNDAY...North winds around 5 knots, becoming east in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A
slight chance of showers in the evening, then a chance of showers
and thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-021800-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds. Hazy early this morning.
.TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 6 seconds and west 1 foot at
4 seconds.
.THURSDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and southwest 1 foot at
5 seconds. A slight chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet in the evening, then 1 foot or less. Wave Detail: South
1 foot at 6 seconds, becoming south 1 foot at 5 seconds. A slight
chance of showers and thunderstorms after midnight.
.FRIDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 5 seconds. A slight chance of
showers and thunderstorms in the morning.
.FRIDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds. A slight chance of
showers and thunderstorms after midnight.
.SATURDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less. A chance of showers with a slight chance of thunderstorms
after midnight.
.SUNDAY...North winds 5 to 10 knots, becoming east in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms, mainly in the morning.
.SUNDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-021800-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
1240 AM CDT Wed Jul 2 2025

.TODAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 2 feet at 5 seconds. Hazy early this morning. A
slight chance of showers and thunderstorms late this morning.
.TONIGHT...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 6 seconds and west 1 foot at
4 seconds. A slight chance of showers and thunderstorms after
midnight.
.THURSDAY...Northwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds and west 1 foot at
4 seconds. A slight chance of showers and thunderstorms in the
morning.
.THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 5 seconds. A slight chance of
showers and thunderstorms after midnight.
.FRIDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
Wave Detail: West 1 foot at 4 seconds and south 1 foot at
5 seconds. A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
Wave Detail: Southwest 1 foot at 5 seconds. A chance of showers
and thunderstorms after midnight.
.SATURDAY...North winds 5 to 10 knots. Seas 1 foot or less. A
chance of showers and thunderstorms, mainly in the morning.
.SATURDAY NIGHT...East winds around 5 knots. Seas 1 foot or less.
A chance of showers with a slight chance of thunderstorms after
midnight.
.SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less. A chance
of showers. A chance of thunderstorms, mainly in the morning.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$