National Weather Service Marine Forecast FZUS54 KLCH
FZUS54 KLCH 230950
CWFLCH
Coastal Waters Forecast
National Weather Service Lake Charles LA
Issued by National Weather Service Houston/Galveston TX
450 AM CDT Thu Mar 23 2023
Coastal waters from the Lower Atchafalaya River LA to High
Island TX out 60 nautical miles including Sabine and
Calcasieu Lakes and Vermilion Bay
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.
GMZ400-232215-
450 AM CDT Thu Mar 23 2023
SYNOPSIS
Moderate onshore flow will continue through today into Friday.
Winds and seas will increase on Friday as an upper level
disturbance and surface low moves across the ArkLaTex. This low
disturbance will also bring a chance of showers and
thunderstorms. Winds will diminish and become westerly after the
front passes Friday night into Saturday, quickly becoming onshore
again by Saturday night. Light to moderate onshore flow will
persist into early next week.
GMZ430-232215-
Sabine Lake-
450 AM CDT Thu Mar 23 2023
TODAY
South winds 10 to 15 knots. Lake waters choppy.
TONIGHT
South winds 10 to 15 knots with gusts up to 20 knots.
Lake waters choppy.
FRIDAY
South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Gusts up to 30 knots. Lake waters
rough. A chance of showers and thunderstorms in the afternoon.
FRIDAY NIGHT
Southwest winds 15 to 20 knots with gusts up to
30 knots, diminishing to 10 to 15 knots with gusts up to 20 knots
after midnight. Lake waters rough.
SATURDAY
West winds 5 to 10 knots. Lake waters light chop.
SATURDAY NIGHT
Southwest winds 5 to 10 knots, becoming
southeast after midnight. Lake waters light chop.
SUNDAY
East winds 5 to 10 knots. Lake waters light chop. A
chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
SUNDAY NIGHT
Northeast winds 5 to 10 knots. Lake waters light
chop.
MONDAY
Northeast winds 5 to 10 knots. Lake waters light chop.
MONDAY NIGHT
North winds around 10 knots. Lake waters light
chop. A slight chance of thunderstorms in the evening. A slight
chance of showers.
Winds and waves higher in and near thunderstorms.
GMZ432-232215-
Calcasieu Lake-
450 AM CDT Thu Mar 23 2023
TODAY
South winds 10 to 15 knots. Lake waters choppy.
TONIGHT
South winds 10 to 15 knots with gusts up to 25 knots.
Lake waters choppy.
FRIDAY
South winds 15 to 20 knots with gusts up to 25 knots,
increasing to 20 to 25 knots with gusts up to 35 knots in the
afternoon. Lake waters very rough. A chance of showers and
thunderstorms in the afternoon.
FRIDAY NIGHT
South winds 20 to 25 knots with gusts up to
35 knots, becoming southwest 10 to 15 knots with gusts up to
25 knots after midnight. Lake waters very rough. A slight chance
of showers and thunderstorms in the evening.
SATURDAY
West winds 5 to 10 knots. Lake waters light chop.
SATURDAY NIGHT
Southwest winds 5 to 10 knots, becoming
southeast after midnight. Lake waters light chop.
SUNDAY
East winds 5 to 10 knots, becoming southeast in the
afternoon. Lake waters light chop. A chance of showers. A slight
chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
SUNDAY NIGHT
Southeast winds 5 to 10 knots, becoming northeast
after midnight. Lake waters light chop. A slight chance of
showers and thunderstorms in the evening.
MONDAY
Northeast winds 5 to 10 knots. Lake waters light chop.
MONDAY NIGHT
North winds 10 to 15 knots. Lake waters choppy. A
slight chance of thunderstorms in the evening. A slight chance of
showers.
Winds and waves higher in and near thunderstorms.
GMZ435-232215-
Vermilion and West Cote Blanche Bays-
450 AM CDT Thu Mar 23 2023
TODAY
Southeast winds around 10 knots. Bay waters light chop.
TONIGHT
Southeast winds 10 to 15 knots. Bay waters choppy.
FRIDAY
South winds 10 to 15 knots with gusts up to 20 knots,
increasing to 15 to 20 knots with gusts up to 30 knots in the
afternoon. Bay waters rough. A slight chance of showers and
thunderstorms in the afternoon.
FRIDAY NIGHT
Southwest winds 15 to 20 knots with gusts up to
30 knots. Bay waters rough. A chance of showers and thunderstorms
in the evening.
SATURDAY
Southwest winds 5 to 10 knots. Bay waters light chop.
SATURDAY NIGHT
Southwest winds around 5 knots, becoming
southeast after midnight. Bay waters smooth.
SUNDAY
East winds 5 to 10 knots, becoming southeast in the
afternoon. Bay waters light chop. 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 10 knots. Bay waters light
chop. A chance of showers with a slight chance of thunderstorms.
MONDAY
West winds 5 to 10 knots, becoming east in the
afternoon. Bay waters light chop. A slight chance of showers and
thunderstorms.
MONDAY NIGHT
West winds 5 to 10 knots, becoming north 10 to
15 knots after midnight. Bay waters choppy. A slight chance of
thunderstorms in the evening. A slight chance of showers.
Winds and waves higher in and near thunderstorms.
GMZ436-232215-
Atchafalaya and East Cote Blanche Bays-
450 AM CDT Thu Mar 23 2023
TODAY
Southeast winds 5 to 10 knots, increasing to 10 to
15 knots with gusts up to 20 knots early this afternoon, then
diminishing to 5 to 10 knots late. Bay and inland waters choppy.
TONIGHT
Southeast winds 5 to 10 knots. Bay and inland waters
light chop.
FRIDAY
South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay and inland waters rough.
FRIDAY NIGHT
South winds 15 to 20 knots with gusts up to
25 knots. Bay and inland waters rough. A chance of showers and
thunderstorms, mainly in the evening.
SATURDAY
Southwest winds 5 to 10 knots. Bay and inland waters
light chop.
SATURDAY NIGHT
South winds around 5 knots. Bay and inland
waters smooth.
SUNDAY
Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Bay and inland waters choppy. A chance
of showers. A slight chance of thunderstorms in the morning, then
a chance of thunderstorms in the afternoon.
SUNDAY NIGHT
South winds 10 to 15 knots. Bay and inland waters
choppy. A chance of showers with a slight chance of
thunderstorms.
MONDAY
West winds 5 to 10 knots, becoming southeast in the
afternoon. Bay and inland waters light chop. A slight chance of
showers and thunderstorms.
MONDAY NIGHT
West winds 5 to 10 knots, becoming north 10 to
15 knots after midnight. Bay and inland waters choppy. A slight
chance of thunderstorms in the evening. A slight chance of
showers.
Winds and waves higher in and near thunderstorms.
GMZ450-232215-
Coastal waters from Cameron LA to High Island TX out 20 NM-
450 AM CDT Thu Mar 23 2023
TODAY
Southeast winds 5 to 10 knots, increasing to 10 to
15 knots late. Seas 2 to 3 feet.
TONIGHT
South winds 15 to 20 knots with gusts up to 25 knots.
Seas 2 to 4 feet.
FRIDAY
South winds 15 to 20 knots. Gusts up to 30 knots in the
afternoon. Seas 3 to 5 feet, occasionally to 6 feet. A chance of
showers and thunderstorms in the afternoon.
FRIDAY NIGHT
South winds 15 to 20 knots with gusts up to
30 knots, becoming southwest 10 to 15 knots with gusts up to
20 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet. A slight chance of showers and thunderstorms in the
evening.
SATURDAY
West winds 5 to 10 knots. Seas 2 to 3 feet.
SATURDAY NIGHT
South winds 5 to 10 knots, becoming southeast
after midnight. Seas around 2 feet.
SUNDAY
East winds 5 to 10 knots. Seas around 2 feet. A chance
of showers. A slight chance of thunderstorms in the morning, then
a chance of thunderstorms in the afternoon.
SUNDAY NIGHT
Southeast winds 5 to 10 knots, becoming northeast
after midnight. Seas around 2 feet. A slight chance of showers
and thunderstorms in the evening.
MONDAY
Northeast winds 5 to 10 knots. Seas around 2 feet.
MONDAY NIGHT
Northeast winds around 10 knots, becoming north
after midnight. Seas 2 to 3 feet. A slight chance of
thunderstorms in the evening. A slight chance of showers.
Winds and seas higher in and near thunderstorms.
GMZ452-232215-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
450 AM CDT Thu Mar 23 2023
TODAY
Southeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots this afternoon. Seas 2 to
3 feet.
TONIGHT
Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet.
FRIDAY
South winds 15 to 20 knots with gusts up to 30 knots.
Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of
showers and thunderstorms in the afternoon.
FRIDAY NIGHT
Southwest winds 15 to 20 knots with gusts up to
30 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight
chance of showers and thunderstorms in the evening.
SATURDAY
West winds 10 to 15 knots, diminishing to 5 to
10 knots in the afternoon. Seas 2 to 4 feet.
SATURDAY NIGHT
Southwest winds 5 to 10 knots, becoming
southeast after midnight. Seas around 2 feet.
SUNDAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers. A slight chance of thunderstorms in the
morning, then a chance of thunderstorms in the afternoon.
SUNDAY NIGHT
South winds 5 to 10 knots. Seas around 2 feet. A
slight chance of thunderstorms. A chance of showers, mainly in
the evening.
MONDAY
Northeast winds 5 to 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms in the morning.
MONDAY NIGHT
Northeast winds 5 to 10 knots, becoming north
15 to 20 knots after midnight. Seas 2 to 3 feet. A slight chance
of thunderstorms in the evening. A slight chance of showers.
Winds and seas higher in and near thunderstorms.
GMZ455-232215-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
450 AM CDT Thu Mar 23 2023
TODAY
Southeast winds 10 to 15 knots, diminishing to 5 to
10 knots late. Seas around 2 feet.
TONIGHT
Southeast winds 10 to 15 knots. Seas around 2 feet.
FRIDAY
South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Seas 2 to 4 feet. A slight chance of
showers and thunderstorms in the afternoon.
FRIDAY NIGHT
South winds around 20 knots, becoming southwest
10 to 15 knots after midnight. Gusts up to 30 knots. Seas 2 to
4 feet. A chance of showers and thunderstorms, mainly in the
evening.
SATURDAY
Southwest winds 5 to 10 knots. Seas 2 to 3 feet.
SATURDAY NIGHT
South winds around 5 knots. Seas 1 to 2 feet.
SUNDAY
Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 1 to 2 feet. A chance of showers.
A slight chance of thunderstorms in the morning, then a chance of
thunderstorms in the afternoon.
SUNDAY NIGHT
South winds 10 to 15 knots. Seas around 2 feet. A
chance of showers with a slight chance of thunderstorms.
MONDAY
West winds 5 to 10 knots, becoming east in the
afternoon. Seas around 2 feet. A slight chance of thunderstorms.
A chance of showers, mainly in the morning.
MONDAY NIGHT
West winds 5 to 10 knots, becoming north 10 to
15 knots after midnight. Seas around 2 feet. A slight chance of
thunderstorms in the evening. A slight chance of showers.
Winds and seas higher in and near thunderstorms.
GMZ470-232215-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
450 AM CDT Thu Mar 23 2023
TODAY
Southeast winds 10 to 15 knots. Seas 3 to 4 feet.
TONIGHT
South winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet, occasionally to 6 feet.
FRIDAY
South winds 15 to 20 knots with gusts up to 30 knots.
Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of
showers and thunderstorms in the afternoon.
FRIDAY NIGHT
South winds 15 to 20 knots, becoming southwest
10 to 15 knots after midnight. Gusts up to 30 knots. Seas 5 to
7 feet, occasionally to 9 feet. A slight chance of showers and
thunderstorms in the evening.
SATURDAY
West winds 10 to 15 knots, diminishing to around
5 knots in the afternoon. Seas 2 to 4 feet.
SATURDAY NIGHT
South winds 5 to 10 knots, becoming southeast
after midnight. Seas 2 to 3 feet.
SUNDAY
Southeast winds around 10 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
SUNDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
A slight chance of showers and thunderstorms.
MONDAY
Northeast winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms in the afternoon.
MONDAY NIGHT
Northeast winds around 10 knots, becoming north
15 to 20 knots after midnight. Seas 2 to 4 feet. A slight chance
of thunderstorms in the evening. A slight chance of showers.
Winds and seas higher in and near thunderstorms.
GMZ472-232215-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
450 AM CDT Thu Mar 23 2023
TODAY
Southeast winds 10 to 15 knots. Seas around 3 feet.
TONIGHT
Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet.
FRIDAY
South winds 15 to 20 knots with gusts up to 30 knots.
Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of
showers and thunderstorms in the afternoon.
FRIDAY NIGHT
South winds 20 to 25 knots, becoming southwest
15 to 20 knots after midnight. Seas 5 to 7 feet, occasionally to
9 feet. A slight chance of showers and thunderstorms in the
evening.
SATURDAY
West winds 10 to 15 knots, diminishing to around
5 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet.
SATURDAY NIGHT
Southeast winds 5 to 10 knots. Seas 2 to
3 feet.
SUNDAY
Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A
chance of showers with a slight chance of thunderstorms.
SUNDAY NIGHT
South winds 10 to 15 knots. Seas 2 to 3 feet. A
slight chance of thunderstorms. A chance of showers, mainly in
the evening.
MONDAY
East winds around 10 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms.
MONDAY NIGHT
Northeast winds around 10 knots, becoming north
15 to 20 knots after midnight. Seas 2 to 4 feet. A slight chance
of showers and thunderstorms.
Winds and seas higher in and near thunderstorms.
GMZ475-232215-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
450 AM CDT Thu Mar 23 2023
TODAY
Southeast winds 10 to 15 knots with gusts up to
20 knots, diminishing to 5 to 10 knots late. Seas 2 to 3 feet.
TONIGHT
Southeast winds 10 to 15 knots with gusts up to
25 knots. Seas 2 to 4 feet.
FRIDAY
South winds 15 to 20 knots with gusts up to 30 knots.
Seas 4 to 6 feet, occasionally to 8 feet.
FRIDAY NIGHT
South winds 15 to 20 knots with gusts up to
30 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight
chance of showers and thunderstorms in the evening.
SATURDAY
West winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet.
SATURDAY NIGHT
South winds 5 to 10 knots. Seas 3 to 4 feet.
SUNDAY
Southeast winds 5 to 10 knots, increasing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet. A chance of showers
with a slight chance of thunderstorms.
SUNDAY NIGHT
South winds 10 to 15 knots. Seas 3 to 4 feet. A
chance of showers with a slight chance of thunderstorms.
MONDAY
South winds 5 to 10 knots, becoming east in the
afternoon. Seas 2 to 4 feet. A slight chance of thunderstorms. A
chance of showers, mainly in the morning.
MONDAY NIGHT
Northeast winds 10 to 15 knots. Seas 2 to 4 feet.
A slight chance of showers and thunderstorms.
Winds and seas higher in and near thunderstorms.
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