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Coastal Waters Forecast
National Weather Service Lake Charles LA
100 PM CDT Sat Jul 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-
100 PM CDT Sat Jul 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...

High pressure extending across the northern Gulf will maintain
light onshore winds and low seas through late next week. Daily
scattered showers and thunderstorms will continue over the coastal
waters through Monday with lower rain chances Tuesday through the
end of the week as upper level ridging builds across the northern
gulf.

$$

GMZ430-130700-
Sabine Lake-
100 PM CDT Sat Jul 12 2025

.TONIGHT...South winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers and thunderstorms early this evening. A
slight chance of showers and thunderstorms after midnight.
.SUNDAY...South winds 5 to 10 knots. Lake waters light chop. A
chance of showers and thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots, diminishing to around
5 knots after midnight. Lake waters light chop.
.MONDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Lake waters light chop. A chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Lake waters light chop.
.TUESDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Lake waters light chop. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Lake waters light chop.
.WEDNESDAY...West winds around 5 knots, becoming south in the
afternoon. Lake waters light chop.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southwest
after midnight. Lake waters light chop.
.THURSDAY...Northwest winds around 5 knots, becoming south in the
afternoon. Lake waters smooth. A slight chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth. A slight chance of thunderstorms. A slight chance of
showers in the evening, then a chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-130700-
Calcasieu Lake-
100 PM CDT Sat Jul 12 2025

.TONIGHT...South winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers and thunderstorms early this evening. A
slight chance of showers and thunderstorms after midnight.
.SUNDAY...South winds 5 to 10 knots. Lake waters light chop.
Showers and thunderstorms likely, mainly in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers and thunderstorms after
midnight.
.MONDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Lake waters light chop. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.
.TUESDAY...Southwest winds around 5 knots, becoming south in the
afternoon. Lake waters light chop. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light
chop.
.WEDNESDAY...West winds around 5 knots, becoming south in the
afternoon. Lake waters light chop.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters
light chop.
.THURSDAY...Northwest winds around 5 knots, becoming south 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.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters
light chop. 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.

$$

GMZ435-130700-
Vermilion and West Cote Blanche Bays-
100 PM CDT Sat Jul 12 2025

.TONIGHT...South winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms early this evening. A slight
chance of showers and thunderstorms after midnight.
.SUNDAY...South winds around 5 knots. Bay waters smooth. A chance
of thunderstorms with a slight chance of showers in the morning,
then thunderstorms likely with a chance of showers in the
afternoon.
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
A slight chance of showers and thunderstorms after midnight.
.MONDAY...Southwest winds around 5 knots, increasing to 5 to
10 knots in the afternoon. Bay waters light chop. A chance of
showers and thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop.
.TUESDAY...Northwest winds around 5 knots, becoming southwest in
the afternoon. Bay waters light chop. A chance of showers and
thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop.
.WEDNESDAY...Northwest winds around 5 knots, becoming west around
5 knots 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.
.WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming west after
midnight. Bay waters light chop. A chance of showers and
thunderstorms.
.THURSDAY...North winds around 5 knots, becoming south in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.
.THURSDAY NIGHT...South winds around 5 knots. Bay waters smooth.
A chance of showers and thunderstorms.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-130700-
Atchafalaya and East Cote Blanche Bays-
100 PM CDT Sat Jul 12 2025

.TONIGHT...South winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms early this evening. A slight
chance of showers and thunderstorms after midnight.
.SUNDAY...South winds around 5 knots. Bay waters smooth. A chance
of thunderstorms. Showers likely, mainly in the morning.
.SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth. A
chance of showers and thunderstorms after midnight.
.MONDAY...Southwest winds around 5 knots. Bay waters smooth. A
chance of thunderstorms. Showers likely, mainly in the morning.
.MONDAY NIGHT...West winds around 5 knots. Bay waters smooth.
.TUESDAY...West winds around 5 knots. Bay waters smooth. A chance
of showers and thunderstorms.
.TUESDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop.
A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...Northwest winds around 5 knots, becoming west in the
afternoon. Bay waters smooth. A chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...South winds around 5 knots, becoming west
after midnight. Bay waters smooth. A chance of showers and
thunderstorms.
.THURSDAY...North winds around 5 knots, becoming southwest in the
afternoon. Bay waters smooth. Showers likely. A chance of
thunderstorms in the morning, then thunderstorms likely in the
afternoon.
.THURSDAY NIGHT...South winds around 5 knots. Bay waters smooth.
A chance of thunderstorms. A chance of showers in the evening,
then showers likely after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-130700-
Coastal waters from Cameron LA to High Island TX out 20 NM-
100 PM CDT Sat Jul 12 2025

.TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms early this evening. A chance of showers and
thunderstorms after midnight.
.SUNDAY...South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. A chance of showers with
a slight chance of thunderstorms after midnight.
.MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds.
.TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms.
.TUESDAY NIGHT...Southwest winds around 10 knots. Seas around
2 feet.
.WEDNESDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas around 2 feet in the morning, then 1 foot or
less.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. A slight chance of showers and thunderstorms after
midnight.
.THURSDAY...West winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. A slight chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southwest 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.

$$

GMZ452-130700-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
100 PM CDT Sat Jul 12 2025

.TONIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of showers and
thunderstorms early this evening. A slight chance of showers and
thunderstorms after midnight, then a chance of showers and
thunderstorms late.
.SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of showers and
thunderstorms.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 1 foot at 5 seconds. A chance of showers and
thunderstorms after midnight.
.MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 1 foot at 6 seconds.
.TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southwest 1 foot at 5 seconds. A chance of showers
and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet.
.WEDNESDAY...Northwest winds 5 to 10 knots, becoming southwest in
the afternoon. Seas around 2 feet in the morning, then 1 foot or
less. A slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest 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.
.THURSDAY...North winds 5 to 10 knots, becoming south in the
afternoon. Seas 1 foot or less. A chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southwest 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.

$$

GMZ455-130700-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
100 PM CDT Sat Jul 12 2025

.TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 4 seconds. A slight chance of showers and
thunderstorms until early morning, then a chance of showers and
thunderstorms late.
.SUNDAY...South winds around 5 knots. Seas around 2 feet in the
morning, then 1 foot or less. Wave Detail: South 1 foot at
4 seconds, becoming south 1 foot at 5 seconds. Showers and
thunderstorms likely, mainly in the morning.
.SUNDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds. A chance of showers and
thunderstorms after midnight.
.MONDAY...Southwest winds around 5 knots. Seas 1 foot or less.
Wave Detail: South 1 foot at 5 seconds. A chance of
thunderstorms. Showers likely, mainly in the morning.
.MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less. Wave Detail: Southwest 1 foot at 2 seconds and south 1 foot
at 5 seconds. A slight chance of showers and thunderstorms after
midnight.
.TUESDAY...West winds around 5 knots. Seas 1 foot or less. Wave
Detail: West 1 foot at 3 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.TUESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or
less. A chance of showers and thunderstorms.
.THURSDAY...North winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less. Showers likely with a chance of
thunderstorms.
.THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or
less. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-130700-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
100 PM CDT Sat Jul 12 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ472-130700-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
100 PM CDT Sat Jul 12 2025

.TONIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 5 seconds. A slight chance of showers and
thunderstorms early this evening. A slight chance of showers and
thunderstorms after midnight, then a chance of showers and
thunderstorms late.
.SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. Showers and thunderstorms
likely, mainly in the morning.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. A chance of showers with
a slight chance of thunderstorms after midnight.
.MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 6 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning.
.MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 6 seconds. A slight chance
of showers and thunderstorms after midnight.
.TUESDAY...Southwest winds around 5 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. A chance of showers with
a slight chance of thunderstorms in the morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around
2 feet.
.WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the
morning, then 1 foot or less. A chance of showers and
thunderstorms, mainly in the morning.
.WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or
less. A chance of showers and thunderstorms after midnight.
.THURSDAY...Northwest winds around 5 knots, becoming northeast in
the afternoon. Seas 1 foot or less. A chance of thunderstorms.
Showers likely, mainly in the morning.
.THURSDAY 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.

$$

GMZ475-130700-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
100 PM CDT Sat Jul 12 2025

.TONIGHT...South winds around 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. A chance of showers and
thunderstorms early this evening, then a slight chance of showers
and thunderstorms late this evening and early morning. A chance
of showers and thunderstorms late.
.SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 5 seconds. Thunderstorms likely. Showers.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 5 seconds. A chance of showers with
a slight chance of thunderstorms after midnight.
.MONDAY...Southwest winds around 5 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. A chance of
thunderstorms. Showers likely, mainly in the morning.
.MONDAY NIGHT...Southwest winds around 5 knots. Seas around
2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance
of showers and thunderstorms after midnight.
.TUESDAY...Northwest winds around 5 knots. Seas around 2 feet.
Wave Detail: Southwest 2 feet at 5 seconds. A chance of showers
and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms after midnight.
.WEDNESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Northwest winds around 5 knots, becoming south
after midnight. Seas 1 foot or less. A slight chance of showers
and thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.THURSDAY...North winds around 5 knots. Seas 1 foot or less.
Showers likely with a chance of thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight. A chance of showers with a
slight chance of thunderstorms in the evening, then showers
likely with a chance of thunderstorms after midnight.

Winds and seas higher in and near thunderstorms.

$$