Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 211430
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
930 AM CDT Mon May 21 2018

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.

GMZ400-220300-
Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion Bay
930 AM CDT Mon May 21 2018

.SYNOPSIS...
Weak high pressure will continue to ridge over the coastal waters
through mid-week, with a mainly light southeast flow expected.
Daily shower and thunderstorm chances will begin to increase by
Tuesday and continue through the remainder of the week as ridging
 aloft weakens.

$$

GMZ430-220300-
Sabine Lake-
930 AM CDT Mon May 21 2018

.REST OF TODAY...Southeast winds around 5 knots. Lake waters
smooth. Chance of showers and thunderstorms.
.TONIGHT...South winds up to 5 knots. Lake waters smooth.
.TUESDAY...North winds up to 5 knots becoming southeast around
5 knots in the afternoon. Lake waters smooth. Slight chance of
showers and thunderstorms.
.TUESDAY NIGHT...South winds up to 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms in the evening.
.WEDNESDAY...Northeast winds up to 5 knots becoming southeast
around 5 knots in the afternoon. Lake waters smooth. Slight
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds around 5 knots becoming southwest
up to 5 knots after midnight. Lake waters smooth. Slight chance
of showers and thunderstorms in the evening.
.THURSDAY...North winds around 5 knots becoming east in the
afternoon. Lake waters smooth. Chance of showers and
thunderstorms.
.THURSDAY NIGHT...West winds up to 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms.
.FRIDAY...Northeast winds around 5 knots. Lake waters smooth.
Chance of showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds around 5 knots becoming northwest
after midnight. Lake waters smooth. Slight chance of showers and
thunderstorms.

$$

GMZ432-220300-
Calcasieu Lake-
930 AM CDT Mon May 21 2018

.REST OF TODAY...Southeast winds around 5 knots. Lake waters
smooth. Chance of showers and thunderstorms.
.TONIGHT...South winds up to 5 knots. Lake waters smooth.
.TUESDAY...Northwest winds up to 5 knots becoming south around
5 knots in the afternoon. Lake waters smooth. Slight chance of
showers and thunderstorms.
.TUESDAY NIGHT...South winds up to 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms in the evening.
.WEDNESDAY...Northeast winds up to 5 knots becoming southeast
around 5 knots in the afternoon. Lake waters smooth. Slight
chance of showers and thunderstorms in the morning, then chance
of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southwest winds up to 5 knots. Lake waters
smooth. Slight chance of showers and thunderstorms in the
evening.
.THURSDAY...Northeast winds around 5 knots. Lake waters smooth.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...Northeast winds up to 5 knots becoming
northwest after midnight. Lake waters smooth. Chance of showers
and thunderstorms.
.FRIDAY...Northeast winds around 5 knots. Lake waters smooth.
Chance of showers and thunderstorms.
.FRIDAY NIGHT...North winds around 5 knots. Lake waters smooth.
Slight chance of showers and thunderstorms.

$$

GMZ435-220300-
Vermilion Bay-
930 AM CDT Mon May 21 2018

.REST OF TODAY...East winds around 5 knots becoming south in the
afternoon. Bay waters smooth increasing to a light chop in the
afternoon. Slight chance of showers and thunderstorms.
.TONIGHT...South winds 5 to 10 knots. Bay waters a light chop.
.TUESDAY...Northwest winds up to 5 knots becoming south in the
afternoon. Bay waters smooth increasing to a light chop in the
afternoon. Slight chance of showers and thunderstorms in the
morning, then chance of showers and thunderstorms in the
afternoon.
.TUESDAY NIGHT...South winds 5 to 10 knots. Bay waters a light
chop. Slight chance of showers and thunderstorms in the evening.
.WEDNESDAY...Southeast winds up to 5 knots. Bay waters smooth.
Slight chance of showers and thunderstorms in the morning, then
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth. Chance of showers and thunderstorms in the evening.
.THURSDAY...Northeast winds around 5 knots becoming east in the
afternoon. Bay waters smooth. Chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth. Chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Bay waters a light chop.
Chance of showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters a light
chop. Chance of showers and thunderstorms.

$$

GMZ450-220300-
Coastal waters from Cameron LA to High Island TX out 20 NM-
930 AM CDT Mon May 21 2018

.REST OF TODAY...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Chance of showers and thunderstorms late in the morning,
then slight chance of showers and thunderstorms in the afternoon.
.TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms in the morning.
.TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
.WEDNESDAY...Southeast winds up to 5 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...South winds around 5 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening.
.THURSDAY...Northeast winds around 5 knots becoming east in the
afternoon. Seas 1 foot or less. Chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds around 5 knots becoming west after
midnight. Seas 1 foot or less. Chance of showers and
thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.

$$

GMZ452-220300-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
930 AM CDT Mon May 21 2018

.REST OF TODAY...Southeast winds around 5 knots. Seas 1 foot or
less. Chance of showers and thunderstorms late in the morning,
then slight chance of showers and thunderstorms in the afternoon.
.TONIGHT...South winds around 5 knots. Seas 1 foot or less.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms through the day.
.TUESDAY NIGHT...Southeast winds up to 5 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening.
.WEDNESDAY...East winds around 5 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms in the morning, then
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening.
.THURSDAY...East winds around 5 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Chance of showers and thunderstorms.

$$

GMZ455-220300-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
930 AM CDT Mon May 21 2018

.REST OF TODAY...East winds around 5 knots becoming southeast in
the afternoon. Seas 1 foot or less. Chance of showers and
thunderstorms late in the morning, then slight chance of showers
and thunderstorms in the afternoon.
.TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening.
.WEDNESDAY...East 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.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Chance of showers and thunderstorms in the evening, then
slight chance of showers and thunderstorms after midnight.
.THURSDAY...East winds around 5 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Chance of showers and thunderstorms.

$$

GMZ470-220300-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
930 AM CDT Mon May 21 2018

.REST OF TODAY...East winds 5 to 10 knots. Seas 2 to 4 feet.
Slight chance of showers and thunderstorms.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY...East winds around 5 knots. Seas 1 to 2 feet.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 1 to
2 feet. Slight chance of showers and thunderstorms in the
evening.
.THURSDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds around 5 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.FRIDAY...North winds 5 to 10 knots. Seas 1 to 2 feet. Chance of
showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.

$$

GMZ472-220300-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
930 AM CDT Mon May 21 2018

.REST OF TODAY...East winds around 5 knots. Seas 2 to 4 feet.
Slight chance of showers and thunderstorms late in the morning.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
.TUESDAY...East winds up to 5 knots. Seas 1 to 2 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms.
.THURSDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.

$$

GMZ475-220300-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
930 AM CDT Mon May 21 2018

.REST OF TODAY...East winds 5 to 10 knots. Seas 1 to 3 feet.
.TONIGHT...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms in the afternoon.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms.
.THURSDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds around 10 knots. Seas 1 to
2 feet. Chance of showers and thunderstorms.

$$

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