FZUS54 KLCH 280847
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
347 AM CDT Wed May 28 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.

GMZ400-282200-
347 AM CDT Wed May 28 2025

.SYNOPSIS... 

A series of shortwave to move through the region allowing for
daily showers and storms until this weekend when a high pressure
builds south over the Gulf. Going into the next work week, the
ridge will expand eastward allowing for a return of onshore flow
and possibly isolated showers and storms. 

$$

GMZ430-282200-
Sabine Lake-
347 AM CDT Wed May 28 2025

.TODAY...East winds around 5 knots, becoming southeast early this
afternoon, then becoming north late. Lake waters light chop. A
chance of showers and thunderstorms late this morning. Showers
likely with a chance of thunderstorms this afternoon. 
.TONIGHT...East winds around 5 knots. Lake waters smooth. A
chance of thunderstorms. Showers likely, mainly in the evening. 
.THURSDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Lake waters light chop. A chance of thunderstorms.
Showers likely, mainly in the morning. 
.THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth. 
.FRIDAY...Northwest winds around 5 knots. Lake waters smooth. A
chance of showers and thunderstorms. 
.FRIDAY NIGHT...North winds around 5 knots. Lake waters smooth. 
.SATURDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Lake waters smooth. 
.SATURDAY NIGHT...South winds around 5 knots, becoming west after
midnight. Lake waters smooth. 
.SUNDAY...South winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers and thunderstorms. 
.SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. 

Winds and waves higher in and near thunderstorms.

$$

GMZ432-282200-
Calcasieu Lake-
347 AM CDT Wed May 28 2025

.TODAY...East winds around 5 knots, becoming southwest late. Lake
waters light chop. A chance of showers and thunderstorms late
this morning and early afternoon. Showers likely with a chance of
thunderstorms late. 
.TONIGHT...East winds 5 to 10 knots. Lake waters light chop. A
chance of thunderstorms. Showers likely, mainly in the evening. 
.THURSDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Lake waters light chop. A chance of thunderstorms.
Showers likely, mainly in the morning. 
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters
light chop. 
.FRIDAY...Northwest winds 5 to 10 knots. Lake waters light chop.
A chance of showers and thunderstorms. 
.FRIDAY NIGHT...North winds 5 to 10 knots. Lake waters light
chop. 
.SATURDAY...Northeast winds 5 to 10 knots. Lake waters light
chop. 
.SATURDAY NIGHT...West winds around 5 knots. Lake waters smooth. 
.SUNDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Lake waters light chop. A slight chance of showers and
thunderstorms in the afternoon. 
.SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. 

Winds and waves higher in and near thunderstorms.

$$

GMZ435-282200-
Vermilion and West Cote Blanche Bays-
347 AM CDT Wed May 28 2025

.TODAY...Northeast winds around 5 knots, becoming south this
afternoon. Bay waters light chop. A slight chance of showers and
thunderstorms this morning, then showers likely with a chance of
thunderstorms this afternoon. 
.TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms. 
.THURSDAY...South winds 5 to 10 knots. Bay waters light chop.
Thunderstorms likely. Showers.
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers and thunderstorms in the
evening. 
.FRIDAY...West winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms. 
.FRIDAY NIGHT...North winds around 10 knots. Bay waters light
chop. 
.SATURDAY...Northeast winds 5 to 10 knots, becoming north in the
afternoon. Bay waters light chop. 
.SATURDAY NIGHT...Northwest winds around 5 knots. Bay waters
smooth. 
.SUNDAY...East winds around 5 knots, becoming south in the
afternoon. Bay waters light chop. A slight chance of showers in
the afternoon. 
.SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-282200-
Atchafalaya and East Cote Blanche Bays-
347 AM CDT Wed May 28 2025

.TODAY...South winds around 5 knots. Bay waters smooth. A slight
chance of showers and thunderstorms late this morning. A chance
of showers and thunderstorms this afternoon. 
.TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms. 
.THURSDAY...South winds 5 to 10 knots. Bay waters light chop.
Thunderstorms likely. Showers likely. 
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop. A slight chance of showers and thunderstorms. 
.FRIDAY...West winds 5 to 10 knots. Bay waters light chop. A
chance of showers and thunderstorms. 
.FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Bay waters light chop. A slight chance of showers
and thunderstorms in the evening. 
.SATURDAY...Northeast winds 5 to 10 knots, becoming northwest in
the afternoon. Bay waters light chop. 
.SATURDAY NIGHT...Northwest winds around 5 knots. Bay waters
smooth. 
.SUNDAY...East winds around 5 knots, becoming southwest in the
afternoon. Bay waters smooth. A slight chance of showers in the
afternoon. 
.SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth. A
slight chance of showers and thunderstorms after midnight. 

Winds and waves higher in and near thunderstorms.

$$

GMZ450-282200-
Coastal waters from Cameron LA to High Island TX out 20 NM-
347 AM CDT Wed May 28 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ452-282200-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
347 AM CDT Wed May 28 2025

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

Winds and seas higher in and near thunderstorms.

$$

GMZ455-282200-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
347 AM CDT Wed May 28 2025

.TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 2 seconds and south 1 foot at 6 seconds.
A slight chance of showers and thunderstorms this morning, then
showers likely with a chance of thunderstorms this afternoon. 
.TONIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet. Wave
Detail: Southeast 1 foot at 2 seconds and south 1 foot at
6 seconds. A chance of showers and thunderstorms. 
.THURSDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 1 foot at 2 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning. 
.THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 to
2 feet. A slight chance of showers and thunderstorms. 
.FRIDAY...West winds around 10 knots. Seas around 2 feet. Wave
Detail: Southwest 1 foot at 3 seconds and south 1 foot at
6 seconds. A chance of showers and thunderstorms. 
.FRIDAY NIGHT...Northwest winds around 10 knots, becoming
northeast after midnight. Seas around 2 feet. Wave Detail: North
2 feet at 3 seconds. A slight chance of showers and
thunderstorms. 
.SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet in
the morning, then 1 foot or less. 
.SATURDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or
less. 
.SUNDAY...East winds around 5 knots, becoming south in the
afternoon. Seas 1 foot or less. A slight chance of showers. 
.SUNDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.
A slight chance of showers and thunderstorms after midnight. 

Winds and seas higher in and near thunderstorms.

$$

GMZ470-282200-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
347 AM CDT Wed May 28 2025

.TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. Showers and thunderstorms
likely. 
.TONIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. A chance of thunderstorms.
Showers likely, mainly in the evening. 
.THURSDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 7 seconds. Showers likely with a
chance of thunderstorms in the morning, then a slight chance of
showers and thunderstorms in the afternoon. 
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds. 
.FRIDAY...West winds 5 to 10 knots, becoming northwest in the
afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at
7 seconds. A chance of showers and thunderstorms, mainly in the
morning. 
.FRIDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast
after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet
at 7 seconds and northwest 1 foot at 3 seconds. A slight chance
of showers and thunderstorms after midnight. 
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms in the morning. 
.SATURDAY NIGHT...South winds around 5 knots. Seas around 2 feet.
.SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. A slight
chance of showers and thunderstorms. 
.SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
A slight chance of showers and thunderstorms after midnight. 

Winds and seas higher in and near thunderstorms.

$$

GMZ472-282200-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
347 AM CDT Wed May 28 2025

.TODAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of showers this
morning. A chance of thunderstorms. Showers likely this
afternoon. 
.TONIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. A chance of showers and
thunderstorms. 
.THURSDAY...South winds around 10 knots. Seas around 3 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning. 
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds. A slight chance of
showers and thunderstorms after midnight. 
.FRIDAY...West winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of showers and
thunderstorms, mainly in the morning. 
.FRIDAY NIGHT...Northwest winds around 10 knots, becoming north
after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at
6 seconds and northwest 2 feet at 3 seconds. A slight chance of
showers and thunderstorms. 
.SATURDAY...Northeast winds 10 to 15 knots, becoming east 5 to
10 knots in the afternoon. Seas 2 to 3 feet. A slight chance of
showers and thunderstorms in the morning. 
.SATURDAY NIGHT...South winds around 5 knots. Seas around 2 feet.
.SUNDAY...South winds around 5 knots. Seas around 2 feet. A
slight chance of showers. 
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms after midnight. 

Winds and seas higher in and near thunderstorms.

$$

GMZ475-282200-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
347 AM CDT Wed May 28 2025

.TODAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of showers with a
slight chance of thunderstorms this morning, then showers likely
with a chance of thunderstorms this afternoon. 
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of showers and
thunderstorms, mainly in the evening. 
.THURSDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning. 
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 6 seconds. A slight chance of
showers and thunderstorms. 
.FRIDAY...West winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of thunderstorms.
Showers likely, mainly in the morning. 
.FRIDAY NIGHT...Northwest winds around 10 knots, becoming north
after midnight. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet
at 3 seconds and south 2 feet at 6 seconds. A slight chance of
showers and thunderstorms in the evening, then a chance of
showers and thunderstorms after midnight. 
.SATURDAY...Northeast winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 3 feet. A slight chance of
showers and thunderstorms in the morning. 
.SATURDAY NIGHT...Northwest winds around 5 knots, becoming
southwest after midnight. Seas around 2 feet. 
.SUNDAY...Southeast winds around 5 knots, becoming south in the
afternoon. Seas around 2 feet. A slight chance of showers. 
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers after midnight. 

Winds and seas higher in and near thunderstorms.

$$