Coastal Waters Forecast
Issued by NWS Lake Charles, LA

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FZUS54 KLCH 010401
CWFLCH

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1101 PM CDT SUN APR 30 2017

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.

GMZ400-011700-
SYNOPSIS FOR LOWER ATCHAFALAYA RIVER LA TO HIGH ISLAND TX OUT
60 NM INCLUDING SABINE AND CALCASIEU LAKES AND VERMILION BAY
1101 PM CDT SUN APR 30 2017

.SYNOPSIS...
HIGH PRESSURE WILL PUSH EASTWARD ACROSS THE REGION THROUGH
MONDAY...ALLOWING AN ONSHORE FLOW TO DEVELOP BY MONDAY NIGHT AND
EARLY TUESDAY. THE SOUTHERLY WINDS WILL STRENGTHEN TUESDAY NIGHT
AND WEDNESDAY AS LOW PRESSURE DEVELOPS OVER THE SOUTHERN PLAINS.
THE CHANCE FOR SHOWERS AND THUNDERSTORMS WILL INCREASE AS WELL AS
 AN UPPER-LEVEL DISTURBANCE APPROACHES. THE LOW WILL PULL A COLD
FRONT ACROSS THE NORTHWEST GULF ON THURSDAY...WITH A BRIEF PERIOD
 OF ELEVATED NORTHERLY WINDS EXPECTED TO DEVELOP BEHIND IT.

$$

GMZ430-011700-
SABINE LAKE-
1101 PM CDT SUN APR 30 2017

.REST OF TONIGHT...WEST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.
.MONDAY...NORTHWEST WINDS AROUND 5 KNOTS BECOMING SOUTH IN THE
AFTERNOON. LAKE WATERS SMOOTH.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. LAKE WATERS
CHOPPY. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF
SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING
NORTHWEST AFTER MIDNIGHT. LAKE WATERS CHOPPY. SHOWERS AND
THUNDERSTORMS LIKELY.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. LAKE WATERS
CHOPPY.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.
.FRIDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.

$$

GMZ432-011700-
CALCASIEU LAKE-
1101 PM CDT SUN APR 30 2017

.REST OF TONIGHT...WEST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.
.MONDAY...NORTHWEST WINDS AROUND 5 KNOTS BECOMING SOUTHWEST IN
THE AFTERNOON. LAKE WATERS SMOOTH.
.MONDAY NIGHT...SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.
.TUESDAY NIGHT...SOUTHEAST WINDS AROUND 10 KNOTS. LAKE WATERS A
LIGHT CHOP. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE
OF SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
SHOWERS AND THUNDERSTORMS LIKELY.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING WEST
5 TO 10 KNOTS AFTER MIDNIGHT. LAKE WATERS CHOPPY DECREASING TO A
LIGHT CHOP AFTER MIDNIGHT. SHOWERS AND THUNDERSTORMS LIKELY.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
.THURSDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS A
LIGHT CHOP.
.FRIDAY...NORTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.
.FRIDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. LAKE WATERS A LIGHT
CHOP.

$$

GMZ435-011700-
VERMILION BAY-
1101 PM CDT SUN APR 30 2017

.REST OF TONIGHT...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...SOUTHEAST WINDS UP TO 5 KNOTS. BAY WATERS SMOOTH.
.TUESDAY...SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS A LIGHT
CHOP.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
CHOPPY. SLIGHT CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS AFTER
MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. BAY WATERS CHOPPY. SHOWERS AND THUNDERSTORMS.
.THURSDAY...NORTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
CHANCE OF SHOWERS AND THUNDERSTORMS.
.THURSDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS
CHOPPY.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
.FRIDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. BAY WATERS A LIGHT
CHOP.

$$

GMZ450-011700-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
1101 PM CDT SUN APR 30 2017

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...NORTHWEST WINDS 5 TO 15 KNOTS. SEAS 1 TO
3 FEET.
.MONDAY...NORTH WINDS AROUND 5 KNOTS BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS 1 TO 2 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING. ISOLATED
THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF SHOWERS AFTER
MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
SHOWERS AND THUNDERSTORMS LIKELY.
.WEDNESDAY NIGHT...SOUTHWEST WINDS 10 TO 15 KNOTS BECOMING
NORTHWEST 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 1 TO 3 FEET.
SHOWERS AND THUNDERSTORMS LIKELY.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
.THURSDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.

$$

GMZ452-011700-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
1101 PM CDT SUN APR 30 2017

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF
SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING WEST AFTER
MIDNIGHT. SEAS 2 TO 4 FEET. SHOWERS AND THUNDERSTORMS.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS.
.THURSDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.

$$

GMZ455-011700-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
1101 PM CDT SUN APR 30 2017

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 4 AM CDT MONDAY...

.REST OF TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 2 TO
4 FEET.
.MONDAY...NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
3 FEET. CHANCE OF SHOWERS AND ISOLATED THUNDERSTORMS AFTER
MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTH WINDS 20 TO 25 KNOTS. SEAS 2 TO 4 FEET.
SHOWERS AND THUNDERSTORMS.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
SHOWERS AND THUNDERSTORMS LIKELY.
.THURSDAY NIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 2 TO
4 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.

$$

GMZ470-011700-
WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
1101 PM CDT SUN APR 30 2017

...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 9 AM CDT MONDAY...

.REST OF TONIGHT...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO
6 FEET WITH OCCASIONAL SEAS UP TO 7 FEET.
.MONDAY...NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST IN THE
AFTERNOON. SEAS 2 TO 4 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
5 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING. ISOLATED
THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF SHOWERS AFTER
MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
SHOWERS AND THUNDERSTORMS LIKELY.
.WEDNESDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS BECOMING WEST 15 TO
20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET. SHOWERS AND
THUNDERSTORMS LIKELY.
.THURSDAY...NORTHWEST WINDS 20 TO 25 KNOTS. SEAS 3 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET. SLIGHT CHANCE OF SHOWERS AND
ISOLATED THUNDERSTORMS.
.THURSDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
.FRIDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.

$$

GMZ472-011700-
WATERS FROM  INTRACOASTAL CITY TO CAMERON LA FROM 20 TO 60 NM-
1101 PM CDT SUN APR 30 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT UNTIL 4 AM
CDT MONDAY...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 4 AM TO 9 AM CDT
MONDAY...

.REST OF TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 4 TO
7 FEET WITH OCCASIONAL SEAS UP TO 8 FEET.
.MONDAY...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
5 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING. ISOLATED
THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF SHOWERS AFTER
MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 7 FEET. CHANCE OF SHOWERS AND
THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTH WINDS 15 TO 20 KNOTS BECOMING SOUTHWEST
AFTER MIDNIGHT. SEAS 3 TO 6 FEET WITH OCCASIONAL SEAS UP TO
6 FEET. SHOWERS AND THUNDERSTORMS.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET. CHANCE OF SHOWERS AND
THUNDERSTORMS.
.THURSDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 7 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.

$$

GMZ475-011700-
WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY LA FROM
20 TO 60 NM-
1101 PM CDT SUN APR 30 2017

...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS IN EFFECT UNTIL 4 AM
CDT MONDAY...
...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 4 AM TO 9 AM CDT
MONDAY...

.REST OF TONIGHT...NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 4 TO
7 FEET WITH OCCASIONAL SEAS UP TO 8 FEET. SLIGHT CHANCE OF
SHOWERS LATE IN THE EVENING.
.MONDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET.
.MONDAY NIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 4 FEET.
.TUESDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
5 FEET. SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN CHANCE OF
SHOWERS AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
CHANCE OF SHOWERS AND THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTH WINDS 20 TO 25 KNOTS. SEAS 3 TO 6 FEET
WITH OCCASIONAL SEAS UP TO 7 FEET. SHOWERS AND THUNDERSTORMS.
.THURSDAY...NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 3 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 6 FEET. SHOWERS AND THUNDERSTORMS LIKELY.
.THURSDAY NIGHT...NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 7 FEET
WITH OCCASIONAL SEAS UP TO 8 FEET.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO 6 FEET WITH
OCCASIONAL SEAS UP TO 7 FEET.
.FRIDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.

$$

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