Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 170845
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
345 AM CDT Fri May 17 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.

GMZ400-172130-
345 AM CDT Fri May 17 2024

.SYNOPSIS...
Widespread showers and thunderstorms will continue into Friday
night as a low pressure system moves across the area...winds and
seas could be significantly stronger in the vicinity of storms.
Winds will weaken by Friday afternoon with seas gradually falling
through the weekend. No precip is expected this weekend through
next week as light onshore flow prevails as high pressure moves
east of the region.

$$

GMZ430-172130-
Sabine Lake-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...Southwest winds 5 to 10 knots, becoming west late. Lake
waters light chop. A slight chance of showers and thunderstorms
this morning, then a chance of showers and thunderstorms this
afternoon.
.TONIGHT...South winds around 5 knots. Lake waters smooth. A
chance of showers and thunderstorms.
.SATURDAY...South winds around 5 knots. Lake waters smooth.
.SATURDAY NIGHT...Southeast winds around 5 knots. Lake waters
smooth.
.SUNDAY...East winds around 5 knots, becoming southeast around
5 knots in the afternoon. Lake waters smooth.
.SUNDAY NIGHT...South winds around 5 knots. Lake waters smooth.
.MONDAY...South winds 5 to 10 knots. Lake waters light chop.
.MONDAY NIGHT...South winds around 10 knots. Lake waters light
chop.
.TUESDAY...South winds 10 to 15 knots. Lake waters choppy.
.TUESDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-172130-
Calcasieu Lake-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...Southwest winds around 10 knots. Lake waters light chop.
Patchy fog early this morning. A chance of showers and
thunderstorms early this morning, then a slight chance of showers
and thunderstorms late this morning. A chance of showers and
thunderstorms this afternoon.
.TONIGHT...South winds 5 to 10 knots. Lake waters light chop. A
chance of showers and thunderstorms.
.SATURDAY...South winds around 5 knots. Lake waters smooth. A
slight chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...South winds around 5 knots, becoming west
around 5 knots after midnight. Lake waters smooth.
.SUNDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Lake waters light chop.
.SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop.
.MONDAY...South winds 5 to 10 knots. Lake waters light chop.
.MONDAY NIGHT...South winds around 10 knots. Lake waters light
chop.
.TUESDAY...South winds around 10 knots, increasing to around
15 knots in the afternoon. Lake waters choppy.
.TUESDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.

Winds and waves higher in and near thunderstorms.

$$

GMZ435-172130-
Vermilion and West Cote Blanche Bays-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots with gusts up to 20 knots,
becoming southwest 5 to 10 knots late. Bay waters choppy. A
chance of showers and thunderstorms.
.TONIGHT...South winds 5 to 10 knots. Bay waters light chop.
Thunderstorms likely. Showers likely.
.SATURDAY...South winds around 5 knots. Bay waters smooth.
Showers and thunderstorms likely, mainly in the morning.
.SATURDAY NIGHT...South winds around 5 knots in the evening,
becoming light and variable. Bay waters smooth.
.SUNDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Bay waters smooth.
.SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth.
.MONDAY...South winds around 5 knots. Bay waters smooth.
.MONDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop.
.TUESDAY...South winds 5 to 10 knots. Bay waters light chop.
.TUESDAY NIGHT...South winds around 10 knots. Bay waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ436-172130-
Atchafalaya and East Cote Blanche Bays-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots with gusts up to 20 knots,
becoming southwest 5 to 10 knots late. Bay waters choppy. A
slight chance of showers and thunderstorms this morning, then a
chance of showers and thunderstorms this afternoon.
.TONIGHT...Northwest winds 5 to 10 knots, becoming south after
midnight. Bay waters light chop. A chance of showers and
thunderstorms in the evening, then showers with thunderstorms
likely after midnight.
.SATURDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Bay waters light chop. A chance of showers.
Thunderstorms likely, mainly in the morning.
.SATURDAY NIGHT...South winds around 5 knots in the evening,
becoming light and variable. Bay waters smooth.
.SUNDAY...Northeast winds around 5 knots, becoming west around
5 knots in the afternoon. Bay waters smooth.
.SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth.
.MONDAY...Southeast winds around 5 knots. Bay waters smooth.
.MONDAY NIGHT...South winds around 5 knots. Bay waters smooth.
.TUESDAY...South winds 5 to 10 knots. Bay waters light chop.
.TUESDAY NIGHT...South winds around 10 knots. Bay waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-172130-
Coastal waters from Cameron LA to High Island TX out 20 NM-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...Southwest winds 10 to 15 knots with gusts up to
20 knots, becoming west late. Seas 2 to 3 feet. Wave Detail:
South 2 feet at 5 seconds. Patchy fog early this morning. A slight
chance of thunderstorms this morning. A chance of showers. A
chance of thunderstorms this afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds and southeast 1 foot at
3 seconds. A chance of showers and thunderstorms.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 7 seconds. A slight chance of
showers and thunderstorms in the morning.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet. Wave Detail: South 2 feet at 7 seconds.
.SUNDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave
Detail: Southeast 2 feet at 8 seconds and south 1 foot at
7 seconds.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 2 feet at 3 seconds and southeast 2 feet
at 7 seconds.
.MONDAY...Southeast winds around 10 knots. Seas around 2 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-172130-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...Southwest winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at
5 seconds. Patchy fog early this morning. A chance of showers. A
slight chance of thunderstorms early this morning, then a chance
of thunderstorms late this morning and afternoon.
.TONIGHT...Southeast winds around 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 6 seconds. Showers and thunderstorms
likely.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 7 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...South winds 5 to 10 knots, becoming southeast
after midnight. Seas around 2 feet. Wave Detail: South 2 feet at
7 seconds.
.SUNDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet
at 8 seconds and south 1 foot at 7 seconds.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: South 2 feet at 7 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
.MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ455-172130-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots with gusts up to 20 knots,
becoming southwest 5 to 10 knots late. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 3 seconds. Patchy fog early this morning.
A slight chance of showers and thunderstorms until late
afternoon, then a chance of showers and thunderstorms late.
.TONIGHT...East winds 5 to 10 knots, becoming southeast after
midnight. Seas 1 to 2 feet. Wave Detail: South 1 foot at
4 seconds. A chance of showers and thunderstorms in the evening,
then showers with thunderstorms likely after midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet.
Wave Detail: Southeast 1 foot at 2 seconds. A chance of showers.
Thunderstorms likely, mainly in the morning.
.SATURDAY NIGHT...South winds around 5 knots, becoming east
around 5 knots after midnight. Seas 1 to 2 feet.
.SUNDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Seas 1 to 2 feet.
.SUNDAY NIGHT...South winds around 5 knots. Seas 1 foot or less.
.MONDAY...Southeast winds around 5 knots. Seas 1 foot or less.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less,
then around 2 feet after midnight.
.TUESDAY...South winds around 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ470-172130-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...Southwest winds 10 to 15 knots with gusts up to
20 knots, becoming north 5 to 10 knots late. Seas 2 to 4 feet.
Wave Detail: South 3 feet at 6 seconds. Patchy fog early this
morning. A slight chance of showers and thunderstorms this
morning, then a chance of showers and thunderstorms this
afternoon.
.TONIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 6 seconds. Thunderstorms likely.
Showers likely.
.SATURDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas 2 to
3 feet. Wave Detail: South 3 feet at 7 seconds.
.SUNDAY...East winds around 5 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 8 seconds and south 1 foot at
7 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 2 feet at 7 seconds.
.MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...South winds 10 to 15 knots. Seas around 3 feet.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-172130-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots with gusts up to 20 knots,
becoming southwest 5 to 10 knots late. Seas 3 to 4 feet. Wave
Detail: South 4 feet at 6 seconds. Patchy fog this morning. A
slight chance of showers and thunderstorms this morning, then a
chance of showers and thunderstorms this afternoon.
.TONIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: South 3 feet at 6 seconds. A chance of showers and
thunderstorms in the evening, then showers and thunderstorms
likely after midnight. Patchy fog after midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: South 3 feet at 7 seconds. A chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southeast winds around 5 knots. Seas 2 to
4 feet. Wave Detail: South 3 feet at 7 seconds.
.SUNDAY...East winds around 5 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 8 seconds and south 1 foot at
7 seconds.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 7 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY...South winds 10 to 15 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-172130-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
345 AM CDT Fri May 17 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS
MORNING...

.TODAY...South winds 10 to 15 knots with gusts up to 25 knots,
diminishing to 5 to 10 knots late. Seas 3 to 4 feet. Wave Detail:
South 4 feet at 6 seconds. Patchy fog early this morning. A
slight chance of showers and thunderstorms early this morning. A
slight chance of showers and thunderstorms this afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 7 seconds. A chance of thunderstorms.
A chance of showers in the evening, then showers likely after
midnight.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: South 4 feet at 7 seconds. Showers likely with a chance
of thunderstorms.
.SATURDAY NIGHT...East winds around 5 knots. Seas 3 to 4 feet.
Wave Detail: Southeast 4 feet at 8 seconds and southwest 1 foot
at 7 seconds.
.SUNDAY...Northeast winds around 5 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds and southwest 1 foot at
7 seconds.
.SUNDAY NIGHT...Southeast winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: South 3 feet at 7 seconds.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.

Winds and seas higher in and near thunderstorms.

$$

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