Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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938
FZUS54 KLCH 162011
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
311 PM CDT Thu May 16 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.

GMZ400-170830-
311 PM CDT Thu May 16 2024

.SYNOPSIS...
Widespread showers and thunderstorms will develop across the
coastal waters this evening and continue into Friday evening as a
low pressure system moves across the area. Onshore flow will
between 15 and 20 knots will continue this evening as the low
approaches increasing seas to 3-5 feet. 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.

$$

GMZ430-170830-
Sabine Lake-
311 PM CDT Thu May 16 2024

...TORNADO WATCH 249 IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH FRIDAY MORNING...

.TONIGHT...Southeast winds 10 to 15 knots. Lake waters choppy.
Patchy fog. Thunderstorms likely this evening. Showers likely.
Thunderstorms likely after midnight.
.FRIDAY...Southeast winds 5 to 10 knots, becoming south in the
afternoon. Lake waters light chop. Patchy fog in the morning. A
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. A chance of thunderstorms. A chance of showers.
.SATURDAY...Southwest winds around 5 knots. Lake waters smooth. A
slight chance of showers and thunderstorms in the morning.
.SATURDAY NIGHT...Southwest winds around 5 knots, becoming north
around 5 knots after midnight. Lake waters smooth.
.SUNDAY...Northeast winds around 5 knots, becoming southeast 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 around 10 knots. Lake waters light chop.
.TUESDAY NIGHT...South winds around 10 knots. Lake waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ432-170830-
Calcasieu Lake-
311 PM CDT Thu May 16 2024

...TORNADO WATCH 249 IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH FRIDAY MORNING...

.TONIGHT...Southeast winds 10 to 15 knots. Lake waters choppy.
Patchy fog early this evening. Patchy fog late. Thunderstorms
likely this evening. Showers likely. Thunderstorms likely after
midnight.
.FRIDAY...South winds around 10 knots. Lake waters light chop.
Patchy fog in the morning. A slight chance of showers and
thunderstorms in the morning, then a chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light
chop. A chance of thunderstorms. A chance of showers.
.SATURDAY...Southwest winds 5 to 10 knots. Lake waters light
chop. A slight chance of showers and thunderstorms in the
morning.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming
northwest after midnight. Lake waters light chop.
.SUNDAY...Northeast winds around 5 knots, becoming southeast 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.

$$

GMZ435-170830-
Vermilion and West Cote Blanche Bays-
311 PM CDT Thu May 16 2024

...TORNADO WATCH 249 IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH FRIDAY MORNING...

.TONIGHT...Southeast winds 10 to 15 knots. Bay waters choppy.
Thunderstorms likely this evening. Showers likely. Thunderstorms
likely after midnight. Patchy fog late.
.FRIDAY...South winds 10 to 15 knots. Bay waters choppy. Patchy
fog in the morning. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Bay waters light chop. Thunderstorms likely.
Showers likely.
.SATURDAY...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms, mainly in the morning.
.SATURDAY NIGHT...Southwest winds around 5 knots, becoming
northwest around 5 knots after midnight. Bay waters smooth.
.SUNDAY...North winds around 5 knots, becoming northwest in the
afternoon. Bay waters smooth.
.SUNDAY NIGHT...Southwest winds around 5 knots. Bay waters
smooth.
.MONDAY...Southeast 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.

$$

GMZ436-170830-
Atchafalaya and East Cote Blanche Bays-
311 PM CDT Thu May 16 2024

...TORNADO WATCH 249 IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH FRIDAY MORNING...

.TONIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. A
chance of showers and thunderstorms early this evening, then
showers and thunderstorms likely late this evening. A chance of
showers and thunderstorms after midnight.
.FRIDAY...South winds 10 to 15 knots. Bay waters choppy. Patchy
fog in the morning. A slight chance of showers and thunderstorms
in the morning, then a chance of showers and thunderstorms in the
afternoon.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming south
after midnight. Bay waters light chop. A chance of thunderstorms.
A chance of showers in the evening, then showers likely after
midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Bay waters light chop.
A chance of showers and thunderstorms.
.SATURDAY NIGHT...West winds around 5 knots. Bay waters smooth.
.SUNDAY...North winds around 5 knots, becoming west around
5 knots in the afternoon. Bay waters smooth.
.SUNDAY NIGHT...Southwest 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 5 to 10 knots. Bay waters light
chop.

Winds and waves higher in and near thunderstorms.

$$

GMZ450-170830-
Coastal waters from Cameron LA to High Island TX out 20 NM-
311 PM CDT Thu May 16 2024

...TORNADO WATCH 249 IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH FRIDAY
MORNING...

.TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 5 seconds. Patchy fog. Showers and
thunderstorms likely this evening. A chance of showers and
thunderstorms after midnight, then a slight chance of showers and
thunderstorms late.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: Southeast 3 feet at 5 seconds. Patchy fog in the morning.
A chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas around
2 feet. Wave Detail: Southeast 2 feet at 6 seconds and east
1 foot at 3 seconds. A chance of thunderstorms. A chance of
showers. Widespread dense fog after midnight.
.SATURDAY...Southwest 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...Southwest winds 5 to 10 knots, becoming
northwest 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.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.MONDAY...South winds around 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 around 15 knots. Seas 2 to 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ452-170830-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
311 PM CDT Thu May 16 2024

...TORNADO WATCH 249 IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH FRIDAY
MORNING...

.TONIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 5 seconds. Patchy fog early this
evening. Patchy fog after midnight. Showers and thunderstorms
likely this evening. A chance of showers and thunderstorms after
midnight.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 5 seconds. Patchy fog. A chance of
showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet
at 6 seconds. Showers and thunderstorms likely.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 8 seconds. A chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming
northwest after midnight. Seas around 2 feet.
.SUNDAY...Northeast winds around 5 knots, becoming southeast in
the afternoon. Seas around 2 feet. Wave Detail: South 2 feet at
7 seconds.
.SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet.
.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.

$$

GMZ455-170830-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
311 PM CDT Thu May 16 2024

...TORNADO WATCH 249 IN EFFECT UNTIL 10 PM CDT THIS EVENING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH FRIDAY MORNING...

.TONIGHT...Southeast winds 10 to 15 knots with gusts up to
20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at
4 seconds. A chance of showers. A chance of thunderstorms. Patchy
fog late.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave
Detail: South 3 feet at 4 seconds. Patchy fog in the morning. A
chance of showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds around 10 knots, becoming south
after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at
3 seconds. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave
Detail: South 2 feet at 3 seconds. A chance of showers and
thunderstorms, mainly in the morning.
.SATURDAY NIGHT...West winds around 5 knots. Seas 1 to 2 feet.
Wave Detail: Southwest 1 foot at 5 seconds.
.SUNDAY...North winds around 5 knots, becoming northwest in the
afternoon. Seas 1 to 2 feet. Wave Detail: Southwest 1 foot at
5 seconds.
.SUNDAY NIGHT...South winds around 5 knots. Seas 1 to 2 feet in
the evening, then 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.

$$

GMZ470-170830-
Coastal waters from Cameron LA to High Island TX from 20 to 60 NM-
311 PM CDT Thu May 16 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH FRIDAY
MORNING...

.TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds. A chance of showers and
thunderstorms until early morning. Patchy fog.
.FRIDAY...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 6 seconds. Patchy fog. A chance of
showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...Southeast winds around 10 knots. Seas 2 to
4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of
showers and thunderstorms. Patchy dense fog in the evening.
Widespread dense fog after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 3 feet at 8 seconds. A slight chance of showers
and thunderstorms in the morning.
.SATURDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet.
Wave Detail: Southeast 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.
.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 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds around 15 knots. Seas around
3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ472-170830-
Coastal waters from Intracoastal City to Cameron LA from 20 to
60 NM-
311 PM CDT Thu May 16 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH FRIDAY
MORNING...

.TONIGHT...Southeast winds 15 to 20 knots. Seas around 4 feet.
Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers
and thunderstorms until early morning, then a slight chance of
showers and thunderstorms late. Patchy fog.
.FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 6 seconds. Patchy fog. A chance of
showers and thunderstorms in the afternoon.
.FRIDAY NIGHT...East winds around 10 knots, becoming south after
midnight. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
7 seconds. Patchy fog in the evening. A chance of thunderstorms.
A chance of showers in the evening, then showers likely after
midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds. A chance of showers and
thunderstorms in the morning.
.SATURDAY NIGHT...West winds around 5 knots. Seas 3 to 4 feet.
Wave Detail: South 4 feet at 7 seconds.
.SUNDAY...Northeast winds around 5 knots. Seas 2 to 4 feet. Wave
Detail: Southeast 4 feet at 8 seconds and south 1 foot at
7 seconds.
.SUNDAY NIGHT...South winds around 5 knots. Seas 2 to 3 feet.
.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 3 feet.

Winds and seas higher in and near thunderstorms.

$$

GMZ475-170830-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA from 20 to 60 NM-
311 PM CDT Thu May 16 2024

...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 PM CDT THIS
EVENING THROUGH FRIDAY MORNING...

.TONIGHT...Southeast winds around 15 knots with gusts up to
20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at
6 seconds. A chance of showers and thunderstorms, mainly this
evening. Patchy fog early this evening. Patchy fog after
midnight.
.FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots.
Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds.
Patchy fog in the morning. A slight chance of showers and
thunderstorms in the afternoon.
.FRIDAY NIGHT...South winds around 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
8 seconds. A chance of thunderstorms. A chance of showers in the
evening, then showers likely after midnight.
.SATURDAY...Southwest winds 5 to 10 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
8 seconds. A chance of showers and thunderstorms, mainly in the
morning.
.SATURDAY NIGHT...West winds around 5 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: Southeast 5 feet at
8 seconds. A slight chance of showers after midnight.
.SUNDAY...North 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 NIGHT...South winds around 5 knots. Seas 2 to 3 feet.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
2 feet.
.TUESDAY...Southeast winds around 10 knots. Seas around 2 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet.

Winds and seas higher in and near thunderstorms.

$$