Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 210310
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
1010 PM CDT Sun May 20 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.

GMZ400-210930-
Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion Bay
1010 PM CDT Sun May 20 2018

.SYNOPSIS...
Weak high pressure will continue to ridge over the coastal waters
through mid-week, with a light to moderate 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.

$$

GMZ430-210930-
Sabine Lake-
1010 PM CDT Sun May 20 2018

.REST OF TONIGHT...Southeast winds up to 5 knots. Lake waters
smooth. Slight chance of showers and thunderstorms through the
night.
.MONDAY...East winds up to 5 knots becoming southeast around
5 knots in the afternoon. Lake waters smooth. Slight chance of
showers and thunderstorms.
.MONDAY NIGHT...Southwest 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...Southeast winds up to 5 knots. Lake waters
smooth.
.WEDNESDAY...Northeast winds up to 5 knots becoming southeast
around 5 knots in the afternoon. Lake waters smooth. Chance of
showers and thunderstorms.
.WEDNESDAY NIGHT...South winds around 5 knots becoming southwest
after midnight. Lake waters smooth. Slight chance of showers and
thunderstorms.
.THURSDAY...North winds around 5 knots becoming east in the
afternoon. Lake waters smooth. Chance of showers and
thunderstorms.
.THURSDAY NIGHT...Southeast winds up to 5 knots becoming west
after midnight. Lake waters smooth. Slight chance of showers and
thunderstorms.
.FRIDAY...North winds around 5 knots becoming northeast in the
afternoon. Lake waters smooth. Chance of showers and
thunderstorms.
.FRIDAY NIGHT...Southeast winds around 5 knots becoming west
after midnight. Lake waters smooth. Slight chance of showers and
thunderstorms.

$$

GMZ432-210930-
Calcasieu Lake-
1010 PM CDT Sun May 20 2018

.REST OF TONIGHT...Southeast winds up to 5 knots. Lake waters
smooth. Slight chance of showers and thunderstorms after
midnight.
.MONDAY...East winds up to 5 knots becoming south around 5 knots
in the afternoon. Lake waters smooth. Slight chance of showers
and thunderstorms.
.MONDAY NIGHT...Southwest winds up to 5 knots. Lake waters
smooth. Slight chance of showers and thunderstorms in the
evening.
.TUESDAY...West winds up to 5 knots becoming south 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.
.TUESDAY NIGHT...South winds around 5 knots. Lake waters smooth.
.WEDNESDAY...Northeast winds up to 5 knots becoming southeast
around 5 knots in the afternoon. Lake waters smooth. Chance of
showers and thunderstorms.
.WEDNESDAY NIGHT...Southwest winds around 5 knots. Lake waters
smooth. Slight chance of showers and thunderstorms.
.THURSDAY...North winds around 5 knots becoming east in the
afternoon. Lake waters smooth. Chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds up to 5 knots becoming west after
midnight. 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...East winds around 5 knots becoming northeast
after midnight. Lake waters smooth. Chance of showers and
thunderstorms.

$$

GMZ435-210930-
Vermilion Bay-
1010 PM CDT Sun May 20 2018

.REST OF TONIGHT...Southeast winds around 5 knots. Bay waters
smooth. Slight chance of showers and thunderstorms after
midnight.
.MONDAY...East winds around 5 knots. Bay waters smooth. Slight
chance of showers and thunderstorms.
.MONDAY NIGHT...South winds up to 5 knots. Bay waters smooth.
Slight chance of showers and thunderstorms in the evening.
.TUESDAY...Northeast winds up to 5 knots becoming southeast
around 5 knots in the afternoon. Bay waters smooth. Chance of
showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters a
light chop. Slight chance of showers and thunderstorms in the
evening.
.WEDNESDAY...East winds around 5 knots. Bay waters smooth. Chance
of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Bay waters
smooth. Slight chance of showers and thunderstorms.
.THURSDAY...Northeast winds around 5 knots becoming east in the
afternoon. Bay waters smooth. Chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds around 5 knots. Bay waters smooth.
Slight chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Bay waters a light chop.
Chance of showers and thunderstorms.
.FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters a light
chop. Chance of showers and thunderstorms.

$$

GMZ450-210930-
Coastal waters from Cameron LA to High Island TX out 20 NM-
1010 PM CDT Sun May 20 2018

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 1 to
2 feet. Slight chance of showers and thunderstorms through the
night.
.MONDAY...Southeast winds around 5 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY...Southeast winds up to 5 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY...Southeast winds up to 5 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms.
.THURSDAY...Northeast winds around 5 knots becoming southeast in
the afternoon. Seas 1 foot or less. Chance of showers and
thunderstorms.
.THURSDAY NIGHT...South winds around 5 knots becoming southwest
after midnight. Seas 1 foot or less. Slight chance of showers and
thunderstorms.
.FRIDAY...North winds 5 to 10 knots becoming northeast in the
afternoon. Seas 1 foot or less. Chance of showers and
thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots becoming west after
midnight. Seas 1 foot or less. Chance of showers and
thunderstorms.

$$

GMZ452-210930-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
1010 PM CDT Sun May 20 2018

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 1 to
2 feet. Slight chance of showers and thunderstorms after
midnight.
.MONDAY...Southeast winds around 5 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...South winds up to 5 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms in the evening.
.TUESDAY...Southeast winds up to 5 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
.WEDNESDAY...East winds around 5 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms.
.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 5 to 10 knots. Seas 1 foot or less.
Slight 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.

$$

GMZ455-210930-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
1010 PM CDT Sun May 20 2018

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms after midnight.
.MONDAY...Southeast winds around 5 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms through the day.
.MONDAY NIGHT...South winds up to 5 knots. Seas 1 foot or less.
Slight chance of showers and thunderstorms in the evening.
.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.
Chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms.
.THURSDAY...East winds around 5 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.
.FRIDAY NIGHT...North winds 10 to 15 knots. Seas 1 foot or less.
Chance of showers and thunderstorms.

$$

GMZ470-210930-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
1010 PM CDT Sun May 20 2018

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to
4 feet. Slight chance of showers and thunderstorms after
midnight.
.MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet.
.MONDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 4 feet.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
Slight chance of showers and thunderstorms through the day.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
.WEDNESDAY...Southeast winds around 5 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 1 to
2 feet. Slight chance of showers and thunderstorms.
.THURSDAY...Northeast winds around 5 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.
.THURSDAY NIGHT...South winds around 5 knots becoming southwest
after midnight. Seas 1 to 2 feet. Slight chance of showers and
thunderstorms.
.FRIDAY...North winds 5 to 10 knots. Seas 1 to 2 feet. Chance of
showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots becoming west after
midnight. Seas 1 to 2 feet. Chance of showers and thunderstorms.

$$

GMZ472-210930-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
1010 PM CDT Sun May 20 2018

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to
4 feet. Slight chance of showers and thunderstorms after
midnight.
.MONDAY...Southeast winds around 5 knots. Seas 2 to 4 feet.
.MONDAY NIGHT...South winds around 5 knots. Seas 1 to 3 feet.
.TUESDAY...Southeast winds around 5 knots. Seas 1 to 3 feet.
Slight chance of showers and thunderstorms through the day.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
.WEDNESDAY...East winds around 5 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms.
.WEDNESDAY NIGHT...Southeast winds around 5 knots. Seas 1 to
2 feet. Slight chance of showers and thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Chance of
showers and thunderstorms.
.THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 to 2 feet.
Slight 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 10 to 15 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.

$$

GMZ475-210930-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
1010 PM CDT Sun May 20 2018

.REST OF TONIGHT...Southeast winds 5 to 10 knots. Seas 1 to
3 feet. Slight chance of showers and thunderstorms after
midnight.
.MONDAY...East winds around 5 knots. Seas 1 to 3 feet. Slight
chance of showers and thunderstorms in the afternoon.
.MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to 3 feet.
Slight chance of showers and thunderstorms in the evening.
.TUESDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Slight
chance of showers and thunderstorms through the day.
.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.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Slight chance of showers and thunderstorms.
.THURSDAY...East 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.
Slight chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Chance
of showers and thunderstorms.
.FRIDAY NIGHT...North winds 10 to 15 knots. Seas 1 to 2 feet.
Chance of showers and thunderstorms.

$$

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