537
FZUS54 KLCH 092009
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
309 PM CDT Thu May 9 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.

GMZ400-100915-
309 PM CDT Thu May 9 2024

.SYNOPSIS...
A light to moderate onshore flow and seas with seas 2 to 4 feet
will prevail into tonight. Areas of fog and haze are likely to
reduce visibilities, however, dense fog criteria is not
anticipated.

A cold front will push through the coastal waters late tonight
into Friday morning, accompanied by isolated showers and
thunderstorms. Offshore flow along with elevated seas will
develop behind the front Friday and Saturday. Onshore flow becomes
reestablished Sunday as high pressure slides east of the area.
Precipitation chances will also increase again Sunday and Monday
as a series of upper level disturbances move across the area.

$$

GMZ430-100915-
Sabine Lake-
309 PM CDT Thu May 9 2024

.TONIGHT...Southeast winds 10 to 15 knots, becoming south 5 to
10 knots late this evening, then becoming southwest after
midnight, becoming north late. Lake waters choppy. Patchy fog
early this evening. Hazy. Patchy fog after midnight.
.FRIDAY...Northeast winds 10 to 15 knots. Lake waters choppy.
Hazy with patchy fog in the morning.
.FRIDAY NIGHT...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. A slight chance of thunderstorms in the morning, then a
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Lake waters rough. A chance of
showers and thunderstorms in the evening, then showers and
thunderstorms likely after midnight.
.MONDAY...South winds around 10 knots. Lake waters light chop. A
chance of thunderstorms. Showers likely.
.MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. A chance of showers and thunderstorms, mainly in the
evening.
.TUESDAY...Southwest winds 5 to 10 knots. Lake waters light chop.
A slight chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-100915-
Calcasieu Lake-
309 PM CDT Thu May 9 2024

.TONIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots, becoming south 5 to 10 knots late this evening and
early morning, then becoming northwest late. Lake waters choppy.
Hazy. Patchy fog after midnight.
.FRIDAY...Northeast winds 10 to 15 knots. Lake waters choppy.
Hazy with patchy fog in the morning.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to
20 knots. Lake waters choppy.
.SATURDAY...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. Lake waters rough.
.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. A chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 20 to 25 knots, diminishing to
10 to 15 knots after midnight. Lake waters very rough. A chance
of showers and thunderstorms in the evening, then showers and
thunderstorms likely after midnight.
.MONDAY...South winds 10 to 15 knots. Lake waters choppy. A
chance of thunderstorms. Showers likely.
.MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. A chance of showers and thunderstorms.
.TUESDAY...Southwest winds 5 to 10 knots. Lake waters light chop.
A slight chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers after midnight.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-100915-
Vermilion and West Cote Blanche Bays-
309 PM CDT Thu May 9 2024

.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Bay waters light chop. Hazy with patchy fog late this
evening and overnight. A slight chance of showers and
thunderstorms after midnight.
.FRIDAY...Northwest winds 5 to 10 knots. Bay waters light chop.
Hazy with patchy fog in the morning.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming northeast
10 to 15 knots after midnight. Bay waters choppy.
.SATURDAY...East winds 5 to 10 knots. Bay waters light chop.
.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 and thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots, diminishing to
10 to 15 knots after midnight. Bay waters rough. A chance of
thunderstorms. A chance of showers in the evening, then showers
likely after midnight.
.MONDAY...South winds 10 to 15 knots. Bay waters choppy. Showers
likely with a chance of thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Bay waters light
chop. A chance of thunderstorms. Showers likely.
.TUESDAY...Southwest winds around 10 knots. Bay waters light
chop. A chance of showers and thunderstorms, mainly in the
morning.
.TUESDAY NIGHT...Southwest winds around 10 knots, becoming south
after midnight. Bay waters light chop. A slight chance of
thunderstorms in the evening. A slight chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-100915-
Atchafalaya and East Cote Blanche Bays-
309 PM CDT Thu May 9 2024

.TONIGHT...South winds 5 to 10 knots, becoming southwest after
midnight. Bay waters light chop. Hazy with patchy fog late this
evening and overnight. A slight chance of showers and
thunderstorms after midnight.
.FRIDAY...West winds 5 to 10 knots. Bay waters light chop. Hazy
with patchy fog in the morning.
.FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop.
.SATURDAY...Northeast winds 5 to 10 knots, becoming southeast in
the afternoon. Bay waters light chop.
.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 and 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. Bay waters choppy. Showers
likely with a chance of thunderstorms in the morning, then
showers with thunderstorms likely in the afternoon.
.MONDAY NIGHT...South winds around 10 knots. Bay waters light
chop. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.TUESDAY...Southwest winds around 10 knots. Bay waters light
chop. A chance of showers and thunderstorms, mainly in the
morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light
chop. A slight chance of thunderstorms in the evening. A slight
chance of showers.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-100915-
Coastal waters from Cameron LA to High Island TX out 20 NM-
309 PM CDT Thu May 9 2024

.TONIGHT...Southeast winds 10 to 15 knots, becoming southwest
5 to 10 knots after midnight, then becoming northwest late. Seas
2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds and south
2 feet at 7 seconds. Hazy with patchy fog.
.FRIDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 2 feet at 3 seconds and south 2 feet at
7 seconds. Hazy with patchy fog in the morning.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail:
Northeast 4 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 4 feet. Wave Detail: East
4 feet at 5 seconds and south 1 foot at 6 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 4 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 3 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 morning, then a
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 20 to 25 knots, diminishing to
around 15 knots after midnight. Seas 3 to 5 feet, occasionally to
6 feet. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.MONDAY...South winds around 15 knots, diminishing to around
10 knots in the afternoon. Seas 2 to 3 feet. A chance of
thunderstorms. Showers likely, mainly in the morning.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms, mainly in the evening.
.TUESDAY...Southwest winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
A slight chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-100915-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
309 PM CDT Thu May 9 2024

.TONIGHT...South winds 10 to 15 knots, becoming southwest 5 to
10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast
2 feet at 3 seconds and south 2 feet at 7 seconds. Hazy with
patchy fog.
.FRIDAY...North winds 5 to 10 knots, increasing to 10 to 15 knots
in the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet
at 7 seconds. Hazy with patchy fog in the morning.
.FRIDAY NIGHT...North winds 10 to 15 knots, becoming northeast
15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail:
Northeast 3 feet at 4 seconds and south 2 feet at 6 seconds.
.SATURDAY...Northeast winds 15 to 20 knots, becoming east 10 to
15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail:
Northeast 3 feet at 4 seconds and south 1 foot at 6 seconds.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming east
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
Southeast 2 feet at 3 seconds and southeast 1 foot at 6 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 3 feet, building to 3 to
5 feet, occasionally to 6 feet in the afternoon. Wave Detail:
Southeast 3 feet at 5 seconds, becoming southeast 5 feet at
5 seconds. A chance of showers. 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 5 feet, occasionally to
6 feet. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Showers
likely with a chance of thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms.
.TUESDAY...Southwest winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers and thunderstorms.
.TUESDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A
slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-100915-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
309 PM CDT Thu May 9 2024

.TONIGHT...South winds around 10 knots, becoming southwest after
midnight. Seas around 2 feet. Wave Detail: South 2 feet at
7 seconds and south 1 foot at 2 seconds. Hazy with patchy fog
late this evening and overnight. A slight chance of showers and
thunderstorms after midnight.
.FRIDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: South 2 feet at 7 seconds. Hazy with patchy fog in the
morning.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming northeast
10 to 15 knots after midnight. Seas around 2 feet. Wave Detail:
North 2 feet at 4 seconds.
.SATURDAY...Northeast winds 10 to 15 knots, becoming east 5 to
10 knots in the afternoon. Seas 1 to 2 feet. Wave Detail:
Northeast 2 feet at 3 seconds and south 1 foot at 6 seconds.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Wave Detail: Southeast 1 foot at 2 seconds. A slight chance
of showers after midnight.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 2 feet at 3 seconds. A chance of showers. A
chance of thunderstorms in the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 2 to 3 feet. A chance of thunderstorms. A chance
of showers in the evening, then showers likely after midnight.
.MONDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Showers
likely with a chance of thunderstorms.
.MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet.
Showers likely with a chance of thunderstorms.
.TUESDAY...Southwest winds around 10 knots. Seas 2 to 3 feet. A
chance of showers and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...Southwest winds 5 to 10 knots. 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.

$$

GMZ470-100915-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
309 PM CDT Thu May 9 2024

.TONIGHT...South winds around 10 knots, becoming southwest after
midnight. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
7 seconds. Hazy with patchy fog.
.FRIDAY...North winds 5 to 10 knots, becoming northeast 10 to
15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail:
Southeast 3 feet at 7 seconds and north 2 feet at 3 seconds. Hazy
with patchy fog in the morning.
.FRIDAY NIGHT...Northeast winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. 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: Northeast
5 feet at 5 seconds and south 2 feet at 7 seconds.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of
showers and thunderstorms after midnight.
.SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 2 to 4 feet, building to 4 to 5 feet, occasionally to 6 feet
in the afternoon. Wave Detail: Southeast 4 feet at 6 seconds,
becoming southeast 5 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 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of
showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of thunderstorms. Showers likely, mainly in the morning.
.MONDAY NIGHT...South winds around 10 knots. Seas 3 to 4 feet. A
chance of showers. A chance of thunderstorms, mainly in the
evening.
.TUESDAY...Southwest winds around 10 knots. Seas 3 to 4 feet. A
slight chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...South winds around 10 knots. Seas around 3 feet.
A slight chance of showers after midnight.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-100915-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
309 PM CDT Thu May 9 2024

.TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots,
becoming southwest 5 to 10 knots after midnight. Seas 3 to
4 feet. Wave Detail: Southeast 4 feet at 7 seconds. Hazy with
patchy fog.
.FRIDAY...Northwest winds 5 to 10 knots, becoming north in the
afternoon. Seas 3 to 4 feet. Wave Detail: South 4 feet at
7 seconds. Hazy with patchy fog in the morning.
.FRIDAY NIGHT...North winds 10 to 15 knots, becoming northeast
15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail:
North 4 feet at 5 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 south
2 feet at 6 seconds.
.SATURDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: East 2 feet at 5 seconds. A slight chance of showers
after midnight.
.SUNDAY...East winds 15 to 20 knots with gusts up to 25 knots.
Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet
in the afternoon. Wave Detail: Southeast 3 feet at 6 seconds,
becoming southeast 5 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 15 to 20 knots with gusts up to
25 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.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of thunderstorms. Showers likely, mainly in the morning.
.MONDAY NIGHT...South winds around 10 knots. Seas 3 to 4 feet. A
chance of showers and thunderstorms.
.TUESDAY...Southwest winds around 10 knots. Seas 3 to 4 feet. A
slight chance of thunderstorms. A chance of showers, mainly in
the morning.
.TUESDAY NIGHT...South winds around 10 knots. Seas 3 to 4 feet. A
slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-100915-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
309 PM CDT Thu May 9 2024

.TONIGHT...South winds 10 to 15 knots with gusts up to 25 knots,
becoming southwest 5 to 10 knots late. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: South 4 feet at 7 seconds.
Hazy with patchy fog late this evening and overnight.
.FRIDAY...Southwest winds 5 to 10 knots, becoming northwest in
the afternoon. Seas 3 to 4 feet. Wave Detail: South 4 feet at
7 seconds. Hazy with patchy fog in the morning.
.FRIDAY NIGHT...North winds 5 to 10 knots, becoming northeast
10 to 15 knots with gusts up to 20 knots after midnight. Seas
3 to 4 feet. Wave Detail: North 3 feet at 5 seconds.
.SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Northeast 3 feet at 5 seconds and southeast 3 feet at
6 seconds.
.SATURDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 2 feet at 6 seconds.
.SUNDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots
in the afternoon. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet
at 5 seconds. A chance of showers. A chance of thunderstorms in
the afternoon.
.SUNDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to
25 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of
showers and thunderstorms.
.MONDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance
of thunderstorms. Showers likely.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 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 4 feet. A
chance of showers and thunderstorms, mainly in the morning.
.TUESDAY NIGHT...South winds around 10 knots. Seas 3 to 4 feet. A
slight chance of showers.

Winds and seas higher in and near thunderstorms.

$$