Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 300903
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
403 AM CDT Tue Apr 30 2024

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.

GMZ400-302200-
403 AM CDT Tue Apr 30 2024

.SYNOPSIS...
Chances of showers and thunderstorms will increase through
the middle of the week as the surface trough and deep layer upper
level trough approaches the area. Onshore flow expected for the
the period.

$$

GMZ430-302200-
Sabine Lake-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds 5 to 10 knots, becoming southeast late. Lake
waters light chop. Patchy fog this morning. A slight chance of
showers and thunderstorms late.
.TONIGHT...Southeast winds 5 to 10 knots. Lake waters light chop.
.WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Lake waters choppy. A chance of
showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters
rough.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Lake waters rough. A slight chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Lake waters rough. A slight chance of showers and
thunderstorms in the evening, then a chance of showers and
thunderstorms after midnight.
.FRIDAY...Southeast winds 10 to 15 knots. Lake waters choppy. A
chance of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters
choppy.
.SATURDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
.SATURDAY NIGHT...Southeast winds around 10 knots. Lake waters
light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-302200-
Calcasieu Lake-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds 5 to 10 knots, becoming southeast this
afternoon. Lake waters light chop. Areas of fog early this
morning, then patchy fog late this morning.
.TONIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots after midnight. Lake waters choppy.
.WEDNESDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
A chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters
rough.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Lake waters rough. A slight chance of showers and
thunderstorms in the afternoon.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Lake waters rough. A chance of showers and
thunderstorms after midnight.
.FRIDAY...Southeast winds 10 to 15 knots. Lake waters choppy. A
chance of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southeast winds around 10 knots. Lake waters
light chop.
.SATURDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
.SATURDAY NIGHT...Southeast winds around 10 knots. Lake waters
light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-302200-
Vermilion and West Cote Blanche Bays-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds around 5 knots, becoming south late. Bay
waters light chop. Patchy fog this morning.
.TONIGHT...South winds around 5 knots. Bay waters smooth.
.WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters light
chop. A chance of showers. A slight chance of thunderstorms in
the morning, then a chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
light chop.
.THURSDAY...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. A slight chance of showers and
thunderstorms after midnight.
.FRIDAY...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.
.FRIDAY NIGHT...Southeast winds around 10 knots. Bay waters light
chop.
.SATURDAY...Southeast winds around 10 knots. Bay waters light
chop.
.SATURDAY NIGHT...Southeast winds around 10 knots. Bay waters
light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-302200-
Atchafalaya and East Cote Blanche Bays-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds around 5 knots, becoming south around 5 knots
this afternoon. Bay and inland waters smooth. Patchy fog late
this morning.
.TONIGHT...Southeast winds around 5 knots. Bay and inland waters
smooth.
.WEDNESDAY...East winds around 5 knots, becoming southeast in the
afternoon. Bay and inland waters light chop. Patchy dense fog in
the morning. A chance of showers. A slight chance of
thunderstorms in the morning, then a chance of thunderstorms in
the afternoon.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay and inland
waters light chop.
.THURSDAY...Southeast winds 5 to 10 knots. Bay and inland waters
light chop.
.THURSDAY NIGHT...Southeast winds around 10 knots with gusts up
to 20 knots. Bay and inland waters light chop.
.FRIDAY...Southeast winds around 10 knots, increasing to around
15 knots in the afternoon. Bay and inland waters choppy. A slight
chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds around 10 knots. Bay and inland
waters light chop.
.SATURDAY...Southeast winds 5 to 10 knots. Bay and inland waters
light chop.
.SATURDAY NIGHT...Southeast winds around 10 knots. Bay and inland
waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-302200-
Coastal waters from Cameron LA to High Island TX out 20 NM-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Patchy fog
late this morning. A slight chance of showers and thunderstorms
late this morning and afternoon.
.TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
4 feet.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight
chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to
4 feet. A slight chance of showers and thunderstorms in the
evening, then a chance of showers and thunderstorms after
midnight.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-302200-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Patchy fog
this morning.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 15 to 20 knots with gusts up
to 25 knots. Seas 2 to 4 feet.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.THURSDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet. A slight chance of showers and
thunderstorms after midnight.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms, mainly in the morning.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-302200-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds around 5 knots, becoming southeast late. Seas
1 to 2 feet.
.TONIGHT...Southeast winds around 5 knots. Seas 1 foot or less.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A
chance of showers with a slight chance of thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas around 2 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 2 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.
.SATURDAY...Southeast winds around 10 knots. Seas around 2 feet.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-302200-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds around 10 knots. Seas 3 to 4 feet. A slight
chance of showers and thunderstorms late this morning and
afternoon.
.TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
Widespread dense fog in the morning. Patchy dense fog in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds around 15 knots with gusts up
to 20 knots. Seas 3 to 4 feet.
.THURSDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet.
.THURSDAY NIGHT...Southeast winds around 15 knots with gusts up
to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight
chance of thunderstorms. A slight chance of showers in the
evening, then a chance of showers after midnight.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms in the morning.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to
4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-302200-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds around 10 knots. Seas 3 to 4 feet. A slight
chance of showers and thunderstorms this afternoon.
.TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet.
.WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up
to 20 knots. Seas 3 to 4 feet.
.THURSDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas around 4 feet. A slight chance of showers and
thunderstorms after midnight.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas around 3 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-302200-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
403 AM CDT Tue Apr 30 2024

.TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet. A slight
chance of showers and thunderstorms this morning.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
.THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet.
.FRIDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet.
.SATURDAY...Southeast winds around 10 knots. Seas around 3 feet.
.SATURDAY NIGHT...Southeast winds around 10 knots. Seas around
3 feet.

Winds and seas higher in and near thunderstorms.

$$