National Weather Service Marine Forecast FZUS54 KLCH

FZUS54 KLCH 310835
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
335 AM CDT Sat Jul 31 2021

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.

GMZ400-312100-
Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion Bay
335 AM CDT Sat Jul 31 2021

SYNOPSIS

Light southwesterly to westerly flow is expected through early
next week. Expect daily chances for scattered showers and
thunderstorms, with more widespread activity expected late this
weekend and especially next week as a frontal boundary slowly
moves south into the area and stalls over the Gulf. A light
offshore flow is expected in the wake of the front. Locally
higher winds and seas, along with cloud to water lightning can be
expected near the storms.


GMZ430-312100-
Sabine Lake-
335 AM CDT Sat Jul 31 2021

TODAY
West winds around 5 knots becoming southwest in the
afternoon. Lake waters smooth increasing to a light chop in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon.

TONIGHT
Southwest winds 5 to 10 knots. Lake waters a light
chop.

SUNDAY
Southwest winds 5 to 10 knots. Lake waters a light
chop. Slight chance of showers and thunderstorms in the morning,
then chance of showers and thunderstorms in the afternoon.

SUNDAY NIGHT
Southwest winds 5 to 10 knots. Lake waters a
light chop. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.

MONDAY
West winds around 5 knots. Lake waters smooth. Chance
of showers and thunderstorms in the morning, then showers and
thunderstorms likely in the afternoon.

MONDAY NIGHT
Southwest winds around 5 knots becoming west up
to 5 knots after midnight. Lake waters smooth. Showers likely in
the evening. Thunderstorms likely through the night. Showers
after midnight.

TUESDAY
Northwest winds around 5 knots. Lake waters smooth.
Showers and thunderstorms.

TUESDAY NIGHT
Northeast winds up to 5 knots. Lake waters
smooth. Chance of showers and thunderstorms.

WEDNESDAY
Northeast winds around 5 knots. Lake waters smooth.
Chance of showers and thunderstorms.

WEDNESDAY NIGHT
East winds up to 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms.


GMZ432-312100-
Calcasieu Lake-
335 AM CDT Sat Jul 31 2021

TODAY
West winds around 5 knots becoming southwest in the
afternoon. Lake waters smooth increasing to a light chop in the
afternoon. Slight chance of showers and thunderstorms in the
afternoon.

TONIGHT
Southwest winds 5 to 10 knots. Lake waters a light
chop.

SUNDAY
Southwest winds 5 to 10 knots. Lake waters a light
chop. Chance of showers and thunderstorms through the day.

SUNDAY NIGHT
Southwest winds 5 to 10 knots. Lake waters a
light chop. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.

MONDAY
West winds 5 to 10 knots. Lake waters a light chop.
Chance of showers and thunderstorms in the morning, then showers
and thunderstorms likely in the afternoon.

MONDAY NIGHT
Southwest winds 5 to 10 knots becoming west after
midnight. Lake waters a light chop decreasing to smooth after
midnight. Showers likely in the evening. Thunderstorms likely
through the night. Showers after midnight.

TUESDAY
Northwest winds 5 to 10 knots. Lake waters a light
chop. Showers and thunderstorms.

TUESDAY NIGHT
Northeast winds up to 5 knots. Lake waters
smooth. Chance of showers and thunderstorms.

WEDNESDAY
Northeast winds 5 to 10 knots. Lake waters a light
chop. Chance of showers and thunderstorms.

WEDNESDAY NIGHT
East winds around 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms.


GMZ435-312100-
Vermilion Bay-
335 AM CDT Sat Jul 31 2021

TODAY
West winds 5 to 10 knots. Bay waters a light chop.
Chance of showers and thunderstorms in the afternoon.

TONIGHT
Southwest winds 5 to 10 knots. Bay waters a light
chop. Slight chance of showers and thunderstorms in the evening.

SUNDAY
West winds 5 to 10 knots. Bay waters a light chop.
Chance of showers and thunderstorms.

SUNDAY NIGHT
Southwest winds 5 to 10 knots. Bay waters a light
chop. Slight chance of showers and thunderstorms in the evening,
then chance of showers and thunderstorms after midnight.

MONDAY
West winds 5 to 10 knots. Bay waters a light chop.
Showers likely and chance of thunderstorms in the morning, then
showers with thunderstorms likely in the afternoon.

MONDAY NIGHT
West winds 5 to 10 knots. Bay waters a light
chop. Showers likely in the evening. Thunderstorms likely through
the night. Showers after midnight.

TUESDAY
West winds 5 to 10 knots. Bay waters a light chop.
Showers and thunderstorms.

TUESDAY NIGHT
North winds around 5 knots. Bay waters smooth.
Showers and thunderstorms likely in the evening, then chance of
showers and thunderstorms after midnight.

WEDNESDAY
North winds around 5 knots. Bay waters smooth.
Chance of showers and thunderstorms.

WEDNESDAY NIGHT
Northeast winds around 5 knots. Bay waters
smooth. Slight chance of showers and thunderstorms.


GMZ450-312100-
Coastal waters from Cameron LA to High Island TX out 20 NM-
335 AM CDT Sat Jul 31 2021

TODAY
Southwest winds 5 to 10 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms in the afternoon.

TONIGHT
Southwest winds 5 to 10 knots. Seas 1 to 2 feet.

SUNDAY
Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms.

SUNDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms after midnight.

MONDAY
Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms.

MONDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms in the evening, then showers
with thunderstorms likely after midnight.

TUESDAY
West winds 5 to 10 knots. Seas 1 to 2 feet. Showers
and thunderstorms.

TUESDAY NIGHT
Northeast winds 5 to 10 knots. Seas 1 foot or
less. Chance of showers and thunderstorms.

WEDNESDAY
Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.

WEDNESDAY NIGHT
East winds 5 to 10 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms after midnight.


GMZ452-312100-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
335 AM CDT Sat Jul 31 2021

TODAY
West winds 5 to 10 knots. Seas 1 foot or less. Slight
chance of showers and thunderstorms.

TONIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less.

SUNDAY
West winds 5 to 10 knots. Seas 1 foot or less. Chance
of showers and thunderstorms.

SUNDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms after midnight.

MONDAY
West winds 5 to 10 knots. Seas 1 to 2 feet. Showers
likely and chance of thunderstorms.

MONDAY NIGHT
West winds 5 to 10 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms in the evening, then showers
with thunderstorms likely after midnight.

TUESDAY
Northwest winds 5 to 10 knots. Seas 1 to 3 feet.
Showers and thunderstorms.

TUESDAY NIGHT
North winds 5 to 10 knots. Seas 1 to 2 feet.
Showers and thunderstorms likely in the evening, then chance of
showers and thunderstorms after midnight.

WEDNESDAY
Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.

WEDNESDAY NIGHT
Northeast winds 5 to 10 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening,
then chance of showers and thunderstorms after midnight.


GMZ455-312100-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
335 AM CDT Sat Jul 31 2021

TODAY
West winds 5 to 10 knots. Seas 1 foot or less. Slight
chance of showers and thunderstorms in the morning, then chance
of showers and thunderstorms in the afternoon.

TONIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms after midnight.

SUNDAY
West winds 5 to 10 knots. Seas 1 foot or less. Showers
likely in the morning. Chance of thunderstorms through the day.
Chance of showers in the afternoon.

SUNDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening,
then chance of showers and thunderstorms after midnight.

MONDAY
West winds 5 to 10 knots. Seas 1 foot or less. Showers
and thunderstorms likely.

MONDAY NIGHT
West winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers in the evening. Chance of thunderstorms through
the night. Showers after midnight.

TUESDAY
West winds 5 to 10 knots. Seas 1 foot or less. Showers
and thunderstorms.

TUESDAY NIGHT
North winds 5 to 10 knots. Seas 1 foot or less.
Showers and thunderstorms likely.

WEDNESDAY
North winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.

WEDNESDAY NIGHT
Northeast winds 5 to 10 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening,
then chance of showers and thunderstorms after midnight.


GMZ470-312100-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
335 AM CDT Sat Jul 31 2021

TODAY
West winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms.

TONIGHT
Southwest winds 5 to 10 knots. Seas 1 to 2 feet.

SUNDAY
Southwest winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms in the morning, then slight chance
of showers and thunderstorms in the afternoon.

SUNDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and slight chance of thunderstorms after
midnight.

MONDAY
West winds 5 to 10 knots. Seas 1 to 2 feet. Chance of
showers and thunderstorms.

MONDAY NIGHT
Southwest winds around 10 knots. Seas 1 to
3 feet. Chance of showers in the evening. Chance of thunderstorms
through the night. Showers likely after midnight.

TUESDAY
West winds 5 to 10 knots. Seas 1 to 3 feet. Showers
and thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.

TUESDAY NIGHT
Northwest winds 5 to 10 knots becoming northeast
after midnight. Seas 1 to 2 feet. Showers and thunderstorms
likely.

WEDNESDAY
Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.

WEDNESDAY NIGHT
East winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms after midnight.


GMZ472-312100-
Waters from Intracoastal City to Cameron LA from 20 to 60 NM-
335 AM CDT Sat Jul 31 2021

TODAY
West winds 5 to 10 knots. Seas 1 foot or less. Slight
chance of showers and thunderstorms.

TONIGHT
Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms after midnight.

SUNDAY
West winds 5 to 10 knots. Seas 1 to 2 feet. Chance of
showers and thunderstorms in the morning, then slight chance of
showers and thunderstorms in the afternoon.

SUNDAY NIGHT
Southwest winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms after midnight.

MONDAY
West winds around 10 knots. Seas 1 to 2 feet. Showers
likely in the morning. Chance of thunderstorms through the day.
Chance of showers in the afternoon.

MONDAY NIGHT
Southwest winds around 10 knots. Seas 1 to
3 feet. Chance of showers in the evening. Chance of thunderstorms
through the night. Showers after midnight.

TUESDAY
West winds around 10 knots. Seas 2 to 4 feet. Showers
and thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.

TUESDAY NIGHT
Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
Showers and thunderstorms likely.

WEDNESDAY
North winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms.

WEDNESDAY NIGHT
East winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and thunderstorms after midnight.


GMZ475-312100-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
335 AM CDT Sat Jul 31 2021

TODAY
West winds 5 to 10 knots. Seas 1 foot or less. Chance of
showers and thunderstorms.

TONIGHT
Southwest winds 5 to 10 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms after midnight.

SUNDAY
West winds 5 to 10 knots. Seas 1 foot or less. Chance
of showers and thunderstorms in the morning, then slight chance
of showers and thunderstorms in the afternoon.

SUNDAY NIGHT
Southwest winds around 10 knots. Seas 1 to
2 feet. Chance of showers and thunderstorms after midnight.

MONDAY
West winds around 10 knots. Seas 1 to 2 feet. Showers
likely in the morning. Chance of thunderstorms through the day.
Chance of showers in the afternoon.

MONDAY NIGHT
Southwest winds around 10 knots. Seas 1 to
3 feet. Chance of showers in the evening. Chance of thunderstorms
through the night. Showers likely after midnight.

TUESDAY
West winds around 10 knots. Seas 2 to 4 feet. Showers
and thunderstorms in the morning, then showers and thunderstorms
likely in the afternoon.

TUESDAY NIGHT
West winds 5 to 10 knots. Seas 1 to 2 feet.
Showers and thunderstorms likely.

WEDNESDAY
Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
Showers and thunderstorms likely.

WEDNESDAY NIGHT
North winds 5 to 10 knots becoming east after
midnight. Seas 1 to 2 feet. Slight chance of showers and
thunderstorms in the evening, then chance of showers and
thunderstorms after midnight.