498
FZUS54 KLCH 140809
CWFLCH
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE LAKE CHARLES LA
309 AM CDT FRI AUG 14 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.
GMZ400-142100-
309 AM CDT FRI AUG 14 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...
SURFACE HIGH PRESSURE RIDGE EXTENDING WEST FROM THE NORTHEAST GULF
WILL KEEP A SOUTHERLY FETCH IN PLACE OVER THE PERIOD. WINDS WILL
PREVAIL BELOW 10 KNOTS, WHICH ALSO KEEPS SEAS LOW.
A SLUG OF TROPICAL MOISTURE MOVING UP THE TEXAS COASTLINE THIS
MORNING IS EXPECTED TO SPREAD SCATTERED SHOWERS INTO WESTERN
WATERS PRIOR TO SUNRISE. HIGH PRESSURE OVER THE REGION WILL
STRENGTHEN RAPIDLY AFTER SUNRISE, DISSIPATING ANY LINGERING
RAINFALL QUICKLY INTO THE MORNING. NO RAIN CHANCES ANTICIPATED
THROUGH THE WEEKEND.
GMZ430-142100-
SABINE LAKE-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. 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.
SUNDAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. LAKE WATERS LIGHT CHOP.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
MONDAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHWEST IN THE
AFTERNOON. LAKE WATERS LIGHT CHOP.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
TUESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
GMZ432-142100-
CALCASIEU LAKE-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS
LATE. LAKE WATERS CHOPPY.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. 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.
SUNDAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHWEST IN THE
AFTERNOON. LAKE WATERS LIGHT CHOP.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
TUESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
GMZ435-142100-
VERMILION AND WEST COTE BLANCHE BAYS-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTH WINDS AROUND 5 KNOTS, INCREASING TO 5 TO 10 KNOTS
THIS AFTERNOON. BAY WATERS LIGHT CHOP.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SATURDAY
WEST 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.
SUNDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTHWEST IN
THE AFTERNOON. BAY WATERS LIGHT CHOP.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
MONDAY
WEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
TUESDAY
WEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
TUESDAY NIGHT
SOUTHWEST WINDS AROUND 10 KNOTS. BAY WATERS
LIGHT CHOP.
GMZ436-142100-
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTH WINDS AROUND 5 KNOTS, INCREASING TO 5 TO 10 KNOTS
THIS AFTERNOON. BAY WATERS LIGHT CHOP.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST AFTER
MIDNIGHT. BAY WATERS LIGHT CHOP.
SATURDAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHWEST IN THE
AFTERNOON. BAY WATERS LIGHT CHOP.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
SUNDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTHWEST IN
THE AFTERNOON. BAY WATERS LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS. BAY WATERS
SMOOTH.
MONDAY
WEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
TUESDAY
WEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ450-142100-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 4 SECONDS.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS AROUND 2 FEET IN THE MORNING, THEN 1 FOOT OR
LESS. WAVE DETAIL: SOUTH 1 FOOT AT 5 SECONDS.
SUNDAY NIGHT
SOUTHWEST WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS.
MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET IN
THE MORNING, THEN 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET.
TUESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET.
GMZ452-142100-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SATURDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 2 FEET AT
5 SECONDS.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SUNDAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHWEST IN THE
AFTERNOON. SEAS AROUND 2 FEET IN THE MORNING, THEN 1 FOOT OR
LESS. WAVE DETAIL: SOUTH 1 FOOT AT 5 SECONDS.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHWEST 1 FOOT AT 4 SECONDS.
MONDAY
WEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET IN THE
MORNING, THEN 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET.
TUESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
TUESDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET.
GMZ455-142100-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET THIS
MORNING, THEN 1 FOOT OR LESS. WAVE DETAIL: SOUTH 1 FOOT AT
4 SECONDS.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SOUTH 1 FOOT AT 3 SECONDS.
SATURDAY
SOUTHWEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.
WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS.
SATURDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR
LESS. WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS.
SUNDAY
WEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SOUTH 1 FOOT AT 4 SECONDS.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS. WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS.
MONDAY
WEST WINDS AROUND 5 KNOTS, INCREASING TO 5 TO 10 KNOTS
IN THE AFTERNOON. SEAS 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS.
TUESDAY
WEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS.
GMZ470-142100-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS
LATE. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 3 FEET AT 5 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS THIS MORNING.
TONIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 5 SECONDS.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 6 SECONDS.
SUNDAY
SOUTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN
THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 2 FEET AT
6 SECONDS.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS AND SOUTH 1 FOOT AT
2 SECONDS.
MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, DIMINISHING TO AROUND
5 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET IN THE MORNING, THEN
1 FOOT OR LESS.
MONDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
TUESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET IN
THE MORNING, THEN 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS, INCREASING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ472-142100-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO
60 NM-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS THIS MORNING.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SATURDAY
SOUTH WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 6 SECONDS.
SUNDAY
WEST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE
AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 2 FEET AT
6 SECONDS.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS AND SOUTH 1 FOOT AT
2 SECONDS.
MONDAY
WEST WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET IN THE
MORNING, THEN 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FEET AFTER MIDNIGHT.
TUESDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET IN
THE MORNING, THEN 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ475-142100-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA FROM 20 TO 60 NM-
309 AM CDT FRI AUG 14 2026
TODAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE THIS MORNING.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SATURDAY
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SATURDAY NIGHT
SOUTH WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SUNDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING NORTHEAST IN
THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTH 2 FEET AT
6 SECONDS.
SUNDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS. SEAS AROUND
2 FEET IN THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SOUTH
1 FOOT AT 6 SECONDS, BECOMING SOUTH 1 FOOT AT 5 SECONDS.
MONDAY
WEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FEET AFTER MIDNIGHT.
TUESDAY
WEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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