346
FZUS54 KLCH 210713
CWFLCH
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE LAKE CHARLES LA
213 AM CDT SAT MAR 21 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.
GMZ400-212000-
213 AM CDT SAT MAR 21 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 S TO SW WINDS AND LOW SEAS WILL CONTINUE THROUGH THE
WEEKEND INTO EARLY NEXT WEEK AS SURFACE HIGH PRESSURE LINGERS TO OUR
EAST. RIDGING BUILDING IN ALOFT WILL KEEP DRY CONDITIONS IN PLACE,
WITH NO PRECIPITATION EXPECTED THROUGH THE FORECAST PERIOD.
GMZ430-212000-
SABINE LAKE-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS UP TO 20 KNOTS LATE THIS MORNING AND
AFTERNOON. LAKE WATERS CHOPPY.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
SUNDAY
SOUTH WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS IN THE AFTERNOON. LAKE WATERS ROUGH.
SUNDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, DIMINISHING TO 5 TO 10 KNOTS AFTER MIDNIGHT. LAKE
WATERS CHOPPY.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
MONDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
TUESDAY
SOUTH WINDS AROUND 5 KNOTS, INCREASING TO 5 TO
10 KNOTS IN THE AFTERNOON. LAKE WATERS LIGHT CHOP.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
WEDNESDAY
SOUTH WINDS AROUND 5 KNOTS, INCREASING TO 10 TO
15 KNOTS IN THE AFTERNOON. LAKE WATERS CHOPPY.
WEDNESDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. LAKE WATERS CHOPPY.
GMZ432-212000-
CALCASIEU LAKE-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST 10 TO
15 KNOTS WITH GUSTS UP TO 20 KNOTS LATE THIS MORNING AND
AFTERNOON. LAKE WATERS CHOPPY.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
SUNDAY
SOUTHWEST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
25 KNOTS. LAKE WATERS CHOPPY.
SUNDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, DIMINISHING TO 5 TO 10 KNOTS AFTER MIDNIGHT. LAKE
WATERS CHOPPY.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
MONDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
TUESDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
GMZ435-212000-
VERMILION AND WEST COTE BLANCHE BAYS-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
TONIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS
WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
MONDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS, DIMINISHING TO
AROUND 5 KNOTS AFTER MIDNIGHT. BAY WATERS LIGHT CHOP.
TUESDAY
NORTH WINDS AROUND 5 KNOTS, BECOMING SOUTH IN THE
AFTERNOON. BAY WATERS LIGHT CHOP.
TUESDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS, DIMINISHING TO
AROUND 5 KNOTS AFTER MIDNIGHT. BAY WATERS LIGHT CHOP.
WEDNESDAY
SOUTH WINDS AROUND 5 KNOTS, INCREASING TO 5 TO
10 KNOTS IN THE AFTERNOON. BAY WATERS LIGHT CHOP.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
GMZ436-212000-
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
TONIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
MONDAY
SOUTHWEST WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.
MONDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS. BAY WATERS
SMOOTH.
TUESDAY
NORTHWEST WINDS AROUND 5 KNOTS, BECOMING SOUTHWEST IN
THE AFTERNOON. BAY WATERS SMOOTH.
TUESDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS. BAY WATERS
SMOOTH.
WEDNESDAY
SOUTH WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.
WEDNESDAY NIGHT
SOUTH WINDS AROUND 5 KNOTS. BAY WATERS SMOOTH.
GMZ450-212000-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
SUNDAY
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
SUNDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
MONDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 4 SECONDS.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WEDNESDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET.
GMZ452-212000-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
SUNDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS.
SUNDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTHWEST 2 FEET AT 5 SECONDS.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
MONDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
TUESDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET IN THE
MORNING, THEN 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
GMZ455-212000-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SOUTHWEST 1 FOOT AT 3 SECONDS.
TONIGHT
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.
SUNDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 1 FOOT AT 4 SECONDS.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 1 FOOT AT 4 SECONDS.
MONDAY
SOUTH WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SOUTH 1 FOOT AT 5 SECONDS.
MONDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR
LESS. WAVE DETAIL: SOUTHWEST 1 FOOT AT 5 SECONDS.
TUESDAY
NORTH WINDS AROUND 5 KNOTS, BECOMING SOUTH AROUND
5 KNOTS IN THE AFTERNOON. SEAS 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.
WEDNESDAY
SOUTH WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTH WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR
LESS.
GMZ470-212000-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS AND SOUTHEAST 1 FOOT AT
6 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 5 SECONDS AND SOUTHEAST 1 FOOT AT
6 SECONDS.
SUNDAY
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.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 6 SECONDS.
MONDAY
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
MONDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
TUESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WEDNESDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
GMZ472-212000-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO
60 NM-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTH WINDS AROUND 10 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: SOUTHWEST 2 FEET AT 5 SECONDS AND SOUTHEAST 1 FOOT AT
6 SECONDS.
SUNDAY
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 6 SECONDS.
SUNDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 6 SECONDS.
MONDAY
SOUTH WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
MONDAY NIGHT
SOUTH WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS.
TUESDAY
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.
TUESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WEDNESDAY
SOUTH WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
GMZ475-212000-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA FROM 20 TO 60 NM-
213 AM CDT SAT MAR 21 2026
TODAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS AND SOUTHEAST 1 FOOT AT
6 SECONDS.
TONIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS AND SOUTHEAST 1 FOOT AT
6 SECONDS.
SUNDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 5 SECONDS.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 6 SECONDS.
MONDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 6 SECONDS.
MONDAY NIGHT
SOUTH WINDS AROUND 5 KNOTS. SEAS AROUND 2 FEET IN
THE EVENING, THEN 1 FOOT OR LESS. WAVE DETAIL: SOUTHWEST 1 FOOT
AT 5 SECONDS, BECOMING SOUTH 1 FOOT AT 5 SECONDS.
TUESDAY
NORTH WINDS AROUND 5 KNOTS, BECOMING EAST IN THE
AFTERNOON. SEAS 1 FOOT OR LESS.
TUESDAY NIGHT
SOUTH WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.
WEDNESDAY
SOUTHEAST WINDS AROUND 5 KNOTS. SEAS 1 FOOT OR LESS.
WEDNESDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS.
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