040
FZUS54 KLCH 230809
CWFLCH
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE LAKE CHARLES LA
309 AM CDT FRI OCT 23 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.
GMZ400-232100-
309 AM CDT FRI OCT 23 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...
LIGHT MAINLY NORTHEAST TO EAST WINDS AND LOW SEAS WILL PREVAIL AGAIN
TODAY. TONIGHT INTO TOMORROW, WINDS SHIFT TO A MORE EAST TO
SOUTHEASTERLY FETCH AND BEGIN TO INCREASE AS SURFACE HIGH PRESSURE
BUILDS DOWN INTO THE SOUTHEASTERN US AND THE PRESSURE GRADIENT
OVERHEAD TIGHTENS. WINDS REMAIN BREEZY AROUND 15-20 KTS WITH HIGHER
GUSTS INTO EARLY NEXT WEEK. THIS ELONGATED PERIOD OF ELEVATED WINDS
WILL ALLOW SEAS TO CLIMB TO 2-4 FEET ACROSS THE NEARSHORE WATERS AND
FROM 4-9 FEET FROM 20 TO 60 MILES OFFSHORE. WINDS AND SEAS WILL
RELAX BEGINNING TUESDAY.
GMZ430-232100-
SABINE LAKE-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST THIS
AFTERNOON. LAKE WATERS SMOOTH.
TONIGHT
SOUTHEAST WINDS AROUND 5 KNOTS. LAKE WATERS SMOOTH.
SATURDAY
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS
LIGHT CHOP.
SUNDAY
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
SUNDAY NIGHT
EAST WINDS AROUND 5 KNOTS, BECOMING NORTHEAST
AFTER MIDNIGHT. LAKE WATERS LIGHT CHOP.
MONDAY
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
MONDAY NIGHT
EAST WINDS AROUND 5 KNOTS. LAKE WATERS SMOOTH.
TUESDAY
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST
AFTER MIDNIGHT. LAKE WATERS SMOOTH.
GMZ432-232100-
CALCASIEU LAKE-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST LATE.
LAKE WATERS SMOOTH.
TONIGHT
SOUTHEAST WINDS AROUND 5 KNOTS. LAKE WATERS SMOOTH.
SATURDAY
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST
AFTER MIDNIGHT. LAKE WATERS LIGHT CHOP.
SUNDAY
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
SUNDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
MONDAY
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
MONDAY NIGHT
EAST WINDS AROUND 5 KNOTS, INCREASING TO 5 TO
10 KNOTS AFTER MIDNIGHT. LAKE WATERS LIGHT CHOP.
TUESDAY
EAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
TUESDAY NIGHT
SOUTHEAST WINDS AROUND 5 KNOTS, BECOMING EAST
AROUND 5 KNOTS AFTER MIDNIGHT. LAKE WATERS SMOOTH.
GMZ435-232100-
VERMILION AND WEST COTE BLANCHE BAYS-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH AROUND
5 KNOTS LATE. BAY WATERS SMOOTH.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SATURDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY.
SUNDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY.
MONDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
TUESDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
GMZ436-232100-
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS AROUND 5 KNOTS, BECOMING SOUTH AROUND
5 KNOTS LATE. BAY WATERS SMOOTH.
TONIGHT
EAST WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.
SATURDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SATURDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST 5 TO
10 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY.
SUNDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
MONDAY
NORTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
MONDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
TUESDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
GMZ450-232100-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST THIS
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: EAST 1 FOOT AT
4 SECONDS.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.
SATURDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 4 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.
SUNDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.
MONDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON.
TUESDAY NIGHT
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.
GMZ452-232100-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST THIS
AFTERNOON. SEAS 1 FOOT OR LESS. WAVE DETAIL: NORTHEAST 1 FOOT AT
2 SECONDS AND SOUTHEAST 1 FOOT AT 5 SECONDS.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS,
THEN AROUND 2 FEET AFTER MIDNIGHT. WAVE DETAIL: SOUTHEAST 1 FOOT
AT 5 SECONDS, BECOMING SOUTHEAST 2 FEET AT 4 SECONDS.
SATURDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 2 FEET AT 3 SECONDS.
SATURDAY NIGHT
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
4 SECONDS.
SUNDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT
5 SECONDS.
MONDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
GMZ455-232100-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST EARLY THIS
AFTERNOON, THEN BECOMING SOUTHEAST LATE. SEAS 1 FOOT OR LESS.
WAVE DETAIL: NORTHEAST 1 FOOT AT 2 SECONDS.
TONIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FEET AFTER MIDNIGHT. WAVE DETAIL: SOUTHEAST 1 FOOT AT
2 SECONDS, BECOMING SOUTHEAST 1 FOOT AT 3 SECONDS.
SATURDAY
EAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: EAST 2 FEET AT 3 SECONDS.
SATURDAY NIGHT
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST 2 FEET AT
3 SECONDS.
SUNDAY
NORTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS AROUND 2 FEET. WAVE DETAIL: NORTHEAST 2 FEET AT
3 SECONDS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST 2 FEET AT
3 SECONDS.
MONDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING
TO 1 TO 2 FEET IN THE AFTERNOON.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. SEAS 1 TO 2 FEET.
GMZ470-232100-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.
TONIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS WITH GUSTS UP TO 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
SATURDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 3 FEET AT 5 SECONDS.
SATURDAY NIGHT
EAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 7 SECONDS.
SUNDAY
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
SEAS 3 TO 4 FEET. WAVE DETAIL: EAST 4 FEET AT 7 SECONDS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT 8 SECONDS.
MONDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A SLIGHT
CHANCE OF SHOWERS IN THE AFTERNOON.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
GMZ472-232100-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO
60 NM-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST LATE. SEAS
AROUND 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.
TONIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
SATURDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE
DETAIL: EAST 4 FEET AT 6 SECONDS.
SATURDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
6 SECONDS.
SUNDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS.
SUNDAY NIGHT
EAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
SOUTHEAST 6 FEET AT 8 SECONDS.
MONDAY
EAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET.
MONDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
GMZ475-232100-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA FROM 20 TO 60 NM-
309 AM CDT FRI OCT 23 2026
TODAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: EAST 2 FEET AT 6 SECONDS.
TONIGHT
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
SEAS 2 TO 4 FEET. WAVE DETAIL: EAST 3 FEET AT 5 SECONDS.
SATURDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: EAST 5 FEET AT 6 SECONDS.
SATURDAY NIGHT
EAST WINDS 20 TO 25 KNOTS, DIMINISHING TO 15 TO
20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: EAST 6 FEET AT 7 SECONDS.
SUNDAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO 20 TO
25 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: EAST 6 FEET AT 7 SECONDS.
SUNDAY NIGHT
EAST WINDS 20 TO 25 KNOTS WITH GUSTS UP TO
30 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL:
EAST 7 FEET AT 8 SECONDS.
MONDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET.
MONDAY NIGHT
EAST WINDS 20 TO 25 KNOTS, DIMINISHING TO 15 TO
20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET.
TUESDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET, OCCASIONALLY TO
6 FEET.
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