704
FZUS54 KLCH 110808
CWFLCH
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE LAKE CHARLES LA
308 AM CDT TUE AUG 11 2026
COASTAL WATERS FROM THE LOWER ATCHAFALAYA RIVER LA TO HIGH
ISLAND TX OUT 60 NAUTICAL MILES INCLUDING SABINE AND
CALCASIEU LAKES AND VERMILION AND COTE BLANCHE BAYS
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.
GMZ400-112100-
308 AM CDT TUE AUG 11 2026
.SYNOPSIS FOR LOWER ATCHAFALAYA RIVER LA TO HIGH ISLAND TX OUT
60 NM INCLUDING SABINE AND CALCASIEU LAKES AND VERMILION AND COTE
BLANCHE BAYS...
AN UPPER LEVEL RIDGE BUILDING INTO THE AREA WILL BRING A DECREASE
IN SHOWER ACTIVITY, WITH RAIN CHANCES BELOW 20 PERCENT.
GMZ430-112100-
SABINE LAKE-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP. A
CHANCE OF SHOWERS AND THUNDERSTORMS LATE THIS MORNING. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS THIS AFTERNOON.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. LAKE WATERS LIGHT
CHOP.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, DIMINISHING TO AROUND
5 KNOTS AFTER MIDNIGHT. LAKE WATERS LIGHT CHOP.
SATURDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. LAKE WATERS LIGHT CHOP.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. LAKE WATERS LIGHT CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ432-112100-
CALCASIEU LAKE-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
WEDNESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. LAKE WATERS
CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS
CHOPPY.
THURSDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. LAKE WATERS
CHOPPY.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. LAKE WATERS CHOPPY.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. LAKE WATERS LIGHT CHOP.
SATURDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. LAKE WATERS LIGHT CHOP.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS
LIGHT CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ435-112100-
VERMILION AND WEST COTE BLANCHE BAYS-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTH WINDS AROUND 5 KNOTS, INCREASING TO 5 TO 10 KNOTS
LATE. BAY WATERS LIGHT CHOP.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
WEDNESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTHWEST WINDS AROUND 10 KNOTS. BAY WATERS
LIGHT CHOP.
THURSDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
FRIDAY
SOUTH WINDS AROUND 5 KNOTS, INCREASING TO 5 TO 10 KNOTS
IN THE AFTERNOON. BAY WATERS LIGHT CHOP.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
AFTER MIDNIGHT. BAY WATERS LIGHT CHOP.
SATURDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. BAY WATERS LIGHT CHOP.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ436-112100-
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH LATE. BAY
WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
THIS AFTERNOON.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
WEDNESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS
LIGHT CHOP.
THURSDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
FRIDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. BAY WATERS LIGHT CHOP.
FRIDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS. BAY WATERS
SMOOTH.
SATURDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTHWEST IN
THE AFTERNOON. BAY WATERS SMOOTH.
SATURDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS. BAY WATERS
SMOOTH.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ450-112100-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS
LATE. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY THIS
AFTERNOON.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 4 SECONDS.
WEDNESDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 4 SECONDS.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 3 FEET AT
4 SECONDS.
THURSDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 5 SECONDS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 3 FEET AT 4 SECONDS.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ452-112100-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET THIS
MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: SOUTH 2 FEET AT
4 SECONDS, BECOMING SOUTH 1 FOOT AT 4 SECONDS.
TONIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 4 SECONDS.
WEDNESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTH 3 FEET AT 4 SECONDS.
THURSDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SATURDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS AROUND 2 FEET.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ455-112100-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.
WAVE DETAIL: SOUTH 1 FOOT AT 3 SECONDS.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SOUTH 1 FOOT AT 3 SECONDS.
WEDNESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
WAVE DETAIL: SOUTH 1 FOOT AT 3 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FEET AFTER MIDNIGHT. WAVE DETAIL: SOUTHWEST
1 FOOT AT 3 SECONDS, BECOMING SOUTH 2 FEET AT 3 SECONDS.
THURSDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET IN
THE MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: SOUTHWEST 2 FEET
AT 4 SECONDS, BECOMING SOUTH 1 FOOT AT 4 SECONDS.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET IN THE
MORNING, THEN 1 FOOT OR LESS.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
SATURDAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR
LESS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ470-112100-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 4 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
WEDNESDAY
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 3 FEET AT
5 SECONDS.
THURSDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 5 SECONDS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 3 FEET AT
5 SECONDS.
FRIDAY
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
FRIDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
GMZ472-112100-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO
60 NM-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 4 SECONDS.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
WEDNESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
THURSDAY
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH
2 FEET AT 6 SECONDS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 2 FEET AT
6 SECONDS.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SATURDAY
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ475-112100-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA FROM 20 TO 60 NM-
308 AM CDT TUE AUG 11 2026
TODAY
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS,
THEN AROUND 2 FEET THIS AFTERNOON. WAVE DETAIL: SOUTHEAST 1 FOOT
AT 4 SECONDS, BECOMING SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS LATE THIS MORNING AND EARLY
AFTERNOON.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
WEDNESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
THURSDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS AND SOUTHEAST 2 FEET AT
7 SECONDS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 6 SECONDS.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SATURDAY
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.
SATURDAY NIGHT
SOUTH WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page