631
FZUS54 KLCH 150810
CWFLCH
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE LAKE CHARLES LA
309 AM CDT FRI MAY 15 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.
GMZ400-152100-
309 AM CDT FRI MAY 15 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...
SOUTHERLY FLOW NEAR 10-15 KTS WITH OCCASIONAL GUSTS CAN BE EXPECTED
TODAY INTO TOMORROW. WINDS BEGIN TO INCREASE LATE TOMORROW INTO
SUNDAY AS THE PRESSURE GRADIENT TIGHTENS OVERHEAD. DRY CONDITIONS
PREVAIL THROUGH THE WEEKEND. NEXT WEEK, BREEZY ONSHORE FLOW
CONTINUES WHILE A DAILY CHANCE FOR SHOWERS AND STORMS RETURNS TO THE
COASTAL WATERS BY TUESDAY.
GMZ430-152100-
SABINE LAKE-
309 AM CDT FRI MAY 15 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS
WITH GUSTS UP TO 20 KNOTS THIS AFTERNOON. LAKE WATERS CHOPPY.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. LAKE WATERS
CHOPPY.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. LAKE WATERS ROUGH.
SUNDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. LAKE WATERS
ROUGH.
MONDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. LAKE WATERS ROUGH. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
MONDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. LAKE WATERS ROUGH. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE EVENING.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. LAKE WATERS CHOPPY. A CHANCE OF
SHOWERS. A CHANCE OF THUNDERSTORMS, MAINLY IN THE EVENING.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ432-152100-
CALCASIEU LAKE-
309 AM CDT FRI MAY 15 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS
WITH GUSTS UP TO 20 KNOTS THIS AFTERNOON. LAKE WATERS CHOPPY.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
LAKE WATERS CHOPPY.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. LAKE WATERS CHOPPY.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. LAKE WATERS ROUGH.
SUNDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. LAKE WATERS ROUGH.
MONDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. LAKE WATERS ROUGH.
MONDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. LAKE WATERS ROUGH.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. LAKE WATERS CHOPPY. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ435-152100-
VERMILION AND WEST COTE BLANCHE BAYS-
309 AM CDT FRI MAY 15 2026
TODAY
SOUTH WINDS AROUND 5 KNOTS, INCREASING TO AROUND
10 KNOTS THIS AFTERNOON. BAY WATERS LIGHT CHOP.
TONIGHT
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS LIGHT CHOP.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
CHOPPY.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS IN THE AFTERNOON. BAY WATERS ROUGH. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
SUNDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS ROUGH.
MONDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS ROUGH.
MONDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. BAY WATERS ROUGH.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. BAY WATERS CHOPPY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ436-152100-
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-
309 AM CDT FRI MAY 15 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
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
CHOPPY.
SUNDAY
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
25 KNOTS. BAY WATERS CHOPPY.
SUNDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. BAY WATERS CHOPPY.
MONDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
CHOPPY.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
TUESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
GMZ450-152100-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
309 AM CDT FRI MAY 15 2026
TODAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 4 SECONDS.
TONIGHT
SOUTH WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 4 SECONDS.
SATURDAY
SOUTH WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS AROUND 3 FEET. WAVE DETAIL: SOUTH 3 FEET AT
5 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS AROUND 4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
5 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 5 SECONDS.
MONDAY
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 20 TO 25 KNOTS, DIMINISHING TO
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5 FEET, OCCASIONALLY TO
6 FEET.
TUESDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ452-152100-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
309 AM CDT FRI MAY 15 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS
LATE. SEAS AROUND 2 FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT
3 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 4 SECONDS.
SATURDAY
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 3 FEET AT
5 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
5 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHEAST 4 FEET AT 5 SECONDS.
MONDAY
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
TUESDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ455-152100-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
309 AM CDT FRI MAY 15 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SOUTHWEST 1 FOOT AT 3 SECONDS.
TONIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO
15 KNOTS AFTER MIDNIGHT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FEET
AFTER MIDNIGHT. WAVE DETAIL: SOUTH 1 FOOT AT 3 SECONDS, BECOMING
SOUTH 2 FEET AT 3 SECONDS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 3 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
2 SECONDS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 3 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH 3 FEET AT
7 SECONDS.
MONDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET.
GMZ470-152100-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
309 AM CDT FRI MAY 15 2026
TODAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 4 SECONDS.
TONIGHT
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
SEAS 2 TO 4 FEET. WAVE DETAIL: SOUTH 3 FEET AT 5 SECONDS.
SATURDAY
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: SOUTH 3 FEET AT 5 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 6 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS AROUND 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 6 SECONDS.
MONDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
TUESDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ472-152100-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO
60 NM-
309 AM CDT FRI MAY 15 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 4 SECONDS.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 4 SECONDS.
SATURDAY
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS AROUND 3 FEET.
WAVE DETAIL: SOUTH 3 FEET AT 5 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
6 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 7 SECONDS.
MONDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
TUESDAY
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ475-152100-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA FROM 20 TO 60 NM-
309 AM CDT FRI MAY 15 2026
TODAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SOUTH 1 FOOT AT 3 SECONDS.
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 4 SECONDS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS.
SUNDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT
6 SECONDS.
SUNDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 6 SECONDS.
MONDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
TUESDAY
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET.
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