Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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037
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Coastal Waters Forecast...UPDATED
National Weather Service Lake Charles LA
830 PM CDT Fri May 10 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.

GMZ400-111415-
830 PM CDT Fri May 10 2024

.SYNOPSIS...

Moderate offshore flow is expected tonight into early Saturday.
Onshore flow will return tomorrow night into Sunday as the surface
high pressure moves off to the east. Precipitation chances will
also increase again Sunday and Monday as a series of upper level
disturbances move across the area.

$$

GMZ430-111415-
Sabine Lake-
830 PM CDT Fri May 10 2024

.REST OF TONIGHT...Northeast winds 10 to 15 knots. Lake waters
choppy.
.SATURDAY...East winds 10 to 15 knots. Lake waters choppy.
.SATURDAY NIGHT...East winds 5 to 10 knots. Lake waters light
chop.
.SUNDAY...East winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. Lake waters rough. A chance of showers
with a slight chance of thunderstorms in the morning, then
showers likely with a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Lake waters very rough. A chance
of thunderstorms. A chance of showers in the evening, then
showers likely after midnight.
.MONDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Lake waters choppy. Showers likely with a chance of thunderstorms
in the morning, then showers and thunderstorms likely in the
afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, becoming west 5 to 10 knots after midnight. Lake waters
choppy. A chance of showers and thunderstorms, mainly in the
evening.
.TUESDAY...West winds 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming
southeast after midnight. Lake waters light chop.
.WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 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.

$$

GMZ432-111415-
Calcasieu Lake-
830 PM CDT Fri May 10 2024

.REST OF TONIGHT...Northeast winds 10 to 15 knots. Gusts up to
25 knots late this evening and overnight. Lake waters choppy.
.SATURDAY...East winds 10 to 15 knots. Gusts up to 25 knots in
the morning. Lake waters choppy.
.SATURDAY NIGHT...East winds 5 to 10 knots. Lake waters light
chop.
.SUNDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Lake waters rough. A slight chance of showers in the
morning, then a chance of showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Lake waters very rough. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.MONDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Lake waters rough. Showers likely. A chance of thunderstorms in
the morning, then thunderstorms likely in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots, becoming southwest 5 to 10 knots after midnight. Lake
waters choppy. A chance of thunderstorms. A chance of showers.
.TUESDAY...West winds 5 to 10 knots. Lake waters light chop.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming
northwest after midnight. Lake waters light chop.
.WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop. A
slight chance of showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 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.

$$

GMZ435-111415-
Vermilion and West Cote Blanche Bays-
830 PM CDT Fri May 10 2024

.REST OF TONIGHT...Northeast winds 5 to 10 knots, increasing to
10 to 15 knots with gusts up to 20 knots late. Bay waters choppy.
.SATURDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots, becoming east 5 to 10 knots in the afternoon. Bay
waters choppy.
.SATURDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.SUNDAY...East winds 5 to 10 knots, becoming southeast 10 to
15 knots with gusts up to 20 knots in the afternoon. Bay waters
choppy. A slight chance of showers in the morning, then a chance
of showers with a slight chance of thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
25 knots. Bay waters choppy. A chance of thunderstorms. A chance
of showers in the evening, then showers likely after midnight.
.MONDAY...South winds 10 to 15 knots, increasing to 15 to
20 knots in the afternoon. Bay waters rough. Showers likely with
a chance of thunderstorms in the morning, then showers with
thunderstorms likely in the afternoon.
.MONDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. Thunderstorms likely. Showers
likely.
.TUESDAY...Southwest winds around 10 knots. Bay waters light
chop. A slight chance of showers and thunderstorms in the
morning.
.TUESDAY NIGHT...Southwest winds around 10 knots, becoming
northwest after midnight. Bay waters light chop.
.WEDNESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Bay waters light chop. A slight chance of showers.
.WEDNESDAY NIGHT...Southeast winds around 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.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-111415-
Atchafalaya and East Cote Blanche Bays-
830 PM CDT Fri May 10 2024

.REST OF TONIGHT...Northeast winds 5 to 10 knots with gusts up to
20 knots. Bay waters light chop.
.SATURDAY...Northeast winds around 10 knots with gusts up to
20 knots, becoming east in the afternoon. Bay waters light chop.
.SATURDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth.
.SUNDAY...East winds 5 to 10 knots. Bay waters light chop. A
slight chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight.
.MONDAY...South winds 10 to 15 knots with gusts up to 25 knots.
Bay waters choppy. A chance of thunderstorms. Showers.
.MONDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Bay waters choppy. Showers and thunderstorms likely.
.TUESDAY...Southwest winds around 10 knots. Bay waters light
chop. A chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southwest winds around 10 knots, becoming
northwest after midnight. Bay waters light chop.
.WEDNESDAY...East winds 5 to 10 knots, becoming southeast in the
afternoon. Bay waters light chop. A slight chance of showers in
the morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters
choppy. 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.

$$

GMZ450-111415-
Coastal waters from Cameron LA to High Island TX out 20 NM-
830 PM CDT Fri May 10 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MIDNIGHT CDT
TONIGHT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...Northeast winds 10 to 15 knots with gusts up
to 20 knots, increasing to 15 to 20 knots with gusts up to
25 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds
and south 2 feet at 7 seconds.
.SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 2 to 4 feet. Wave Detail: East 3 feet at 5 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight
chance of showers after midnight.
.SUNDAY...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at
5 seconds. A chance of showers. A slight chance of thunderstorms
in the morning, then a chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 20 to 25 knots, diminishing to
15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail:
Southeast 4 feet at 5 seconds. A chance of thunderstorms. A
chance of showers in the evening, then showers likely after
midnight.
.MONDAY...South winds 15 to 20 knots, diminishing to 10 to
15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: South
3 feet at 6 seconds. A chance of thunderstorms. Showers likely.
.MONDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming southwest after midnight. Seas 2 to 3 feet. A
chance of thunderstorms. A chance of showers.
.TUESDAY...West winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...South winds around 10 knots, becoming southeast
after midnight. Seas around 2 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. A chance of showers with a slight chance of thunderstorms
in the evening, then a chance of showers and thunderstorms after
midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-111415-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
830 PM CDT Fri May 10 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MIDNIGHT CDT
TONIGHT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...Northeast winds 5 to 10 knots, increasing to
15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 4 seconds and south 2 feet at
7 seconds.
.SATURDAY...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East
3 feet at 5 seconds.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 6 seconds and southeast
1 foot at 3 seconds. A slight chance of showers after midnight.
.SUNDAY...East winds 15 to 20 knots, becoming southeast 20 to
25 knots in the afternoon. Seas 2 to 4 feet. Wave Detail:
Southeast 4 feet at 5 seconds. A chance of showers. A slight
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 20 to 25 knots with gusts up to
30 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
5 seconds. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.MONDAY...South winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A
chance of thunderstorms. Showers likely.
.MONDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 4 feet. Showers and thunderstorms likely,
mainly in the evening.
.TUESDAY...West winds around 10 knots. Seas 2 to 3 feet. A slight
chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southwest winds around 10 knots, becoming
southeast after midnight. Seas 2 to 3 feet.
.WEDNESDAY...East winds around 10 knots. Seas around 2 feet. A
slight chance of showers. A slight chance of thunderstorms in the
afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. 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.

$$

GMZ455-111415-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
830 PM CDT Fri May 10 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MIDNIGHT CDT
TONIGHT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...North winds 5 to 10 knots, becoming northeast
10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave
Detail: North 2 feet at 3 seconds and south 1 foot at 6 seconds.
.SATURDAY...Northeast winds 10 to 15 knots with gusts up to
20 knots, becoming east 5 to 10 knots in the afternoon. Seas 2 to
3 feet. Wave Detail: Northeast 2 feet at 3 seconds and south
1 foot at 6 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: Southeast 1 foot at 3 seconds.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 3 seconds. A slight chance of showers
in the morning, then a chance of showers with a slight chance of
thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail:
Southeast 2 feet at 3 seconds. A chance of showers with a slight
chance of thunderstorms in the evening, then showers likely with
a chance of thunderstorms after midnight.
.MONDAY...South winds 10 to 15 knots with gusts up to 25 knots.
Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds. A
chance of thunderstorms. Showers likely.
.MONDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Thunderstorms likely. Showers likely.
.TUESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southwest winds around 10 knots, becoming
northwest after midnight. Seas around 2 feet.
.WEDNESDAY...East winds around 10 knots, becoming southeast in
the afternoon. Seas around 2 feet. A slight chance of
thunderstorms. A slight chance of showers in the morning, then a
chance of showers in the afternoon.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around
2 feet. 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.

$$

GMZ470-111415-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
830 PM CDT Fri May 10 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MIDNIGHT CDT
TONIGHT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...Northeast winds 10 to 15 knots with gusts up
to 20 knots, increasing to 15 to 20 knots with gusts up to
25 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at
5 seconds and southeast 3 feet at 7 seconds.
.SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East
5 feet at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at
6 seconds. A slight chance of showers after midnight.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 5 seconds. A chance of showers with a
slight chance of thunderstorms.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 4 feet at 5 seconds. A chance of showers and
thunderstorms.
.MONDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast
4 feet at 6 seconds. Showers likely with a chance of
thunderstorms.
.MONDAY NIGHT...Southeast winds 10 to 15 knots, becoming south
after midnight. Seas 3 to 4 feet. A chance of showers and
thunderstorms.
.TUESDAY...West winds 5 to 10 knots. Seas 3 to 4 feet.
.TUESDAY NIGHT...South winds 5 to 10 knots, becoming southeast
after midnight. Seas 2 to 3 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 15 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.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-111415-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
830 PM CDT Fri May 10 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MIDNIGHT CDT
TONIGHT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...Northeast winds 5 to 10 knots, increasing to
15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave
Detail: Northeast 4 feet at 5 seconds and southeast 3 feet at
7 seconds.
.SATURDAY...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: East 5 feet at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: East 3 feet at 6 seconds. A slight chance of showers
after midnight.
.SUNDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 5 seconds. A chance of showers. A
slight chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 5 feet at 5 seconds. A chance of showers. A slight
chance of thunderstorms in the evening, then a chance of
thunderstorms after midnight.
.MONDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South
4 feet at 6 seconds. Showers likely with a chance of
thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.TUESDAY...West winds around 10 knots. Seas 3 to 4 feet. A slight
chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming
southeast after midnight. Seas 3 to 4 feet.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. A
slight chance of thunderstorms. A chance of showers, mainly in
the morning.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 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.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-111415-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
830 PM CDT Fri May 10 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM MIDNIGHT CDT
TONIGHT THROUGH SATURDAY AFTERNOON...

.REST OF TONIGHT...North winds 5 to 10 knots, becoming northeast
15 to 20 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at
4 seconds and southeast 3 feet at 6 seconds.
.SATURDAY...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. Seas 3 to 5 feet, occasionally to
6 feet. Wave Detail: Northeast 4 feet at 5 seconds and southeast
3 feet at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: East 3 feet at 6 seconds.
.SUNDAY...East winds 10 to 15 knots, becoming southeast 15 to
20 knots in the afternoon. Seas 2 to 4 feet. Wave Detail:
Southeast 4 feet at 5 seconds. A chance of showers in the
morning, then a slight chance of showers and thunderstorms in the
afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail:
Southeast 4 feet at 5 seconds. A slight chance of thunderstorms.
A slight chance of showers in the evening, then a chance of
showers after midnight.
.MONDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast
4 feet at 6 seconds. Showers likely with a chance of
thunderstorms.
.MONDAY NIGHT...South winds 10 to 15 knots with gusts up to
20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.TUESDAY...Southwest winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. A chance of showers and thunderstorms in
the morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 3 to 4 feet.
.WEDNESDAY...East winds around 10 knots. Seas 3 to 4 feet. A
slight chance of thunderstorms. A chance of showers.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 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.

Winds and seas higher in and near thunderstorms.

$$