Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 200735
CWFLCH

Coastal Waters Forecast
National Weather Service Lake Charles LA
235 AM CDT Fri Apr 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.

GMZ400-202045-
Synopsis for Lower Atchafalaya River LA to High Island TX out
60 NM including Sabine and Calcasieu Lakes and Vermilion Bay
235 AM CDT Fri Apr 20 2018

.SYNOPSIS...
Post-frontal elevated offshore flow will continue this morning,
diminishing this afternoon. Onshore flow will develop Saturday
and increase by Saturday night ahead of another cold front. The
front will be preceded and accompanied by scattered to widespread
showers and thunderstorms late Saturday into Sunday with offshore
flow developing once again in its wake for the early part of next
week.

$$

GMZ430-202045-
Sabine Lake-
235 AM CDT Fri Apr 20 2018

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

.TODAY...Northeast winds 15 to 20 knots becoming east 5 to
10 knots in the afternoon. Lake waters rough decreasing to a
light chop in the afternoon.
.TONIGHT...Southeast winds 5 to 10 knots. Lake waters a light
chop.
.SATURDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Slight chance of showers and thunderstorms in the morning, then
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy.
Showers and thunderstorms likely in the evening, then showers and
thunderstorms after midnight.
.SUNDAY...Northwest winds 5 to 10 knots. Lake waters a light
chop. Slight chance of showers and thunderstorms.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Lake waters a
light chop.
.MONDAY...Northwest winds 5 to 10 knots. Lake waters a light
chop.
.MONDAY NIGHT...North winds 5 to 10 knots. Lake waters a light
chop.
.TUESDAY...North winds around 5 knots. Lake waters smooth.
.TUESDAY NIGHT...North winds around 5 knots. Lake waters smooth.

$$

GMZ432-202045-
Calcasieu Lake-
235 AM CDT Fri Apr 20 2018

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

.TODAY...East winds 15 to 20 knots. Lake waters rough.
.TONIGHT...Southeast winds 5 to 10 knots. Lake waters a light
chop.
.SATURDAY...Southeast winds 10 to 15 knots. Lake waters choppy.
Chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 5 to 10 knots. Lake waters a light
chop. Chance of showers and thunderstorms in the evening, then
showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots becoming northwest in the
afternoon. Lake waters a light chop. Slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Lake waters a
light chop.
.MONDAY...Northwest winds 5 to 10 knots. Lake waters a light
chop.
.MONDAY NIGHT...North winds 5 to 10 knots. Lake waters a light
chop.
.TUESDAY...Northwest winds around 5 knots. Lake waters smooth.
.TUESDAY NIGHT...Northwest winds around 5 knots. Lake waters
smooth.

$$

GMZ435-202045-
Vermilion Bay-
235 AM CDT Fri Apr 20 2018

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

.TODAY...East winds 15 to 20 knots. Bay waters rough.
.TONIGHT...Southeast winds 5 to 10 knots. Bay waters a light
chop.
.SATURDAY...Southeast winds around 10 knots. Bay waters a light
chop.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters a
light chop. Slight chance of showers and thunderstorms in the
evening, then showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots. Bay waters a light chop.
Chance of showers and thunderstorms in the morning, then slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters a light
chop.
.MONDAY...Northwest winds 5 to 10 knots. Bay waters a light chop.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters a light
chop.
.TUESDAY...North winds 5 to 10 knots. Bay waters a light chop.
.TUESDAY NIGHT...North winds 5 to 10 knots. Bay waters a light
chop.

$$

GMZ450-202045-
Coastal waters from Cameron LA to High Island TX out 20 NM-
235 AM CDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.TODAY...East winds 20 knots. Seas 2 to 4 feet.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
Slight chance of showers and thunderstorms in the morning, then
chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...South winds 10 to 15 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms in the evening, then showers
and thunderstorms after midnight.
.SUNDAY...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
Slight chance of showers and thunderstorms.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
.MONDAY...Northwest winds 10 to 15 knots. Seas 1 to 2 feet.
.MONDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY NIGHT...West winds around 5 knots becoming north after
midnight. Seas 1 foot or less.

$$

GMZ452-202045-
Coastal waters from Intracoastal City to Cameron LA out 20 NM-
235 AM CDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.TODAY...East winds 20 knots. Seas 2 to 4 feet.
.TONIGHT...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 1 to 3 feet.
Slight chance of showers and thunderstorms in the afternoon.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 to
3 feet. Slight chance of showers and thunderstorms in the
evening, then showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 5 to 10 knots becoming northwest 10 to
15 knots in the afternoon. Seas 1 to 3 feet. Chance of showers
and thunderstorms in the morning, then slight chance of showers
and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
.MONDAY...Northwest winds 10 to 15 knots. Seas 1 to 2 feet.
.MONDAY NIGHT...North winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots becoming north
after midnight. Seas 1 foot or less.

$$

GMZ455-202045-
Coastal waters from Lower Atchafalaya River to Intracoastal City
LA out 20 NM-
235 AM CDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.TODAY...East winds 20 knots. Seas 1 to 3 feet.
.TONIGHT...East winds 10 to 15 knots. Seas 1 foot or less.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 1 foot or less.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 foot or
less. Slight chance of showers and thunderstorms in the evening,
then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 10 to 15 knots. Seas 1 to 3 feet.
Chance of showers and thunderstorms in the morning, then slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
.MONDAY...Northwest winds 10 to 15 knots. Seas 1 foot or less.
.MONDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or
less.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less.

$$

GMZ470-202045-
Waters from Cameron LA to High Island TX from 20 to 60 NM-
235 AM CDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM TO 10 AM CDT
THIS MORNING...

.TODAY...East winds 20 knots. Seas 3 to 5 feet.
.TONIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet.
.SATURDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet.
Slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. Chance of showers and thunderstorms in the evening, then
showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 10 to 15 knots becoming northwest in
the afternoon. Seas 2 to 4 feet. Slight chance of showers and
thunderstorms.
.SUNDAY NIGHT...Northwest winds around 15 knots. Seas 2 to
4 feet.
.MONDAY...Northwest winds 10 to 15 knots. Seas 1 to 3 feet.
.MONDAY NIGHT...North winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY NIGHT...Southwest winds around 5 knots becoming
northwest after midnight. Seas 1 foot or less.

$$

GMZ472-202045-
Waters from  Intracoastal City to Cameron LA from 20 to 60 NM-
235 AM CDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM TO 10 AM CDT
THIS MORNING...

.TODAY...East winds 20 knots. Seas 3 to 5 feet.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. Slight chance of showers and thunderstorms in the
evening, then showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 10 to 15 knots becoming northwest in
the afternoon. Seas 2 to 4 feet. Chance of showers and
thunderstorms in the morning, then slight chance of showers and
thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds around 15 knots. Seas 3 to
5 feet.
.MONDAY...Northwest winds 10 to 15 knots. Seas 2 to 4 feet.
.MONDAY NIGHT...Northwest winds around 10 knots. Seas 1 to
3 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.

$$

GMZ475-202045-
Waters from Lower Atchafalaya River to Intracoastal City LA from
20 to 60 NM-
235 AM CDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM TO 10 AM CDT
THIS MORNING...

.TODAY...East winds 20 knots. Seas 3 to 5 feet.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
.SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
4 feet. Slight chance of showers and thunderstorms in the
evening, then chance of showers and thunderstorms after midnight.
.SUNDAY...Southwest winds 10 to 15 knots. Seas 2 to 4 feet.
Chance of showers and thunderstorms in the morning, then slight
chance of showers and thunderstorms in the afternoon.
.SUNDAY NIGHT...Northwest winds around 15 knots. Seas 3 to
5 feet.
.MONDAY...Northwest winds 10 to 15 knots. Seas 2 to 4 feet.
.MONDAY NIGHT...Northwest winds around 10 knots. Seas 2 to
4 feet.
.TUESDAY...Northwest winds 5 to 10 knots. Seas 1 to 3 feet.
.TUESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 to 2 feet.

$$

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