053
FZUS54 KLCH 220409 AAA
CWFLCH
COASTAL WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1109 PM CDT TUE JUL 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.
GMZ400-221400-
1109 PM CDT TUE JUL 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...
HIGH PRESSURE OVER THE NORTHWEST GULF AND THE CIRCULATION AROUND
TROPICAL STORM BERTHA WILL BRING MODEST WEST NORTHWEST WINDS INTO
WEDNESDAY. AT THIS TIME TROPICAL STORM WATCHES HAVE BEEN POSTED FOR
VERMILION BAY AND OFFSHORE WATERS TO THE SOUTH, AS FAR WEST AS
VERMILION / CAMERON PARISH LINE. MARINE CONDITIONS FOR WEDNESDAY
NIGHT THROUGH FRIDAY WILL DEPEND ON THE EVENTUAL TRACK AND STRENGTH
OF TROPICAL STORM BERTHA AS IT MOVES JUST INLAND OR OVER THE
NORTHWEST GULF. ALL MARINE INTERESTS SHOULD CONTINUE TO MONITOR
UPDATES ON TROPICAL STORM BERTHA.
GMZ430-221400-
SABINE LAKE-
1109 PM CDT TUE JUL 21 2026
REST OF TONIGHT
WEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
WEDNESDAY
NORTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WEDNESDAY NIGHT
NORTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
THURSDAY
NORTHEAST WINDS 10 TO 15 KNOTS. GUSTS UP TO 25 KNOTS
IN THE AFTERNOON. LAKE WATERS CHOPPY. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE MORNING. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, BECOMING SOUTH 5 TO 10 KNOTS AFTER MIDNIGHT. LAKE
WATERS CHOPPY. A CHANCE OF THUNDERSTORMS EARLY IN THE EVENING,
THEN A SLIGHT CHANCE OF THUNDERSTORMS LATE IN THE EVENING. A
CHANCE OF SHOWERS.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS UNTIL
LATE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ432-221400-
CALCASIEU LAKE-
1109 PM CDT TUE JUL 21 2026
REST OF TONIGHT
WEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
WEDNESDAY
NORTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
NORTH WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST
10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS AFTER MIDNIGHT. LAKE
WATERS CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
LATE EVENING AND EARLY MORNING.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. LAKE WATERS ROUGH. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A CHANCE OF
SHOWERS UNTIL EARLY MORNING. A SLIGHT CHANCE OF SHOWERS LATE.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS UNTIL
LATE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. LAKE WATERS CHOPPY.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS
LIGHT CHOP.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ435-221400-
VERMILION AND WEST COTE BLANCHE BAYS-
1109 PM CDT TUE JUL 21 2026
..TROPICAL STORM WATCH IN EFFECT
REST OF TONIGHT
NORTHWEST WINDS 5 TO 10 KNOTS, INCREASING TO
10 TO 15 KNOTS. BAY WATERS CHOPPY. A CHANCE OF SHOWERS AND
THUNDERSTORMS LATE THIS EVENING.
WEDNESDAY
NORTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WEDNESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NORTH
WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS, BECOMING
NORTHEAST 25 TO 30 KNOTS AFTER MIDNIGHT. BAY WATERS EXTREMELY
ROUGH. SHOWERS LIKELY IN THE EVENING. A CHANCE OF THUNDERSTORMS.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
THURSDAY
TROPICAL STORM CONDITIONS POSSIBLE. EAST WINDS 20 TO
25 KNOTS, BECOMING SOUTH 15 TO 20 KNOTS IN THE AFTERNOON. BAY
WATERS VERY ROUGH. A CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
A CHANCE OF SHOWERS AND THUNDERSTORMS, MAINLY IN THE EVENING.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS UNTIL LATE
AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ436-221400-
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-
1109 PM CDT TUE JUL 21 2026
..TROPICAL STORM WATCH IN EFFECT
REST OF TONIGHT
NORTHWEST WINDS 5 TO 10 KNOTS, INCREASING TO
10 TO 15 KNOTS. BAY WATERS CHOPPY. SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS LATE THIS EVENING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
NORTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE
AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WEDNESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NORTH
WINDS 25 TO 30 KNOTS, BECOMING EAST AFTER MIDNIGHT. BAY WATERS
EXTREMELY ROUGH. A CHANCE OF THUNDERSTORMS. SHOWERS UNTIL EARLY
MORNING, THEN A CHANCE OF SHOWERS LATE.
THURSDAY
TROPICAL STORM CONDITIONS POSSIBLE. SOUTHEAST WINDS
25 TO 30 KNOTS, BECOMING SOUTH 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS IN THE AFTERNOON. BAY WATERS EXTREMELY ROUGH. A CHANCE
OF THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
A CHANCE OF SHOWERS AND THUNDERSTORMS, MAINLY IN THE EVENING.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS UNTIL LATE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SATURDAY
SOUTHWEST WINDS AROUND 5 KNOTS, INCREASING TO 5 TO
10 KNOTS IN THE AFTERNOON. BAY WATERS LIGHT CHOP.
SATURDAY NIGHT
SOUTHWEST WINDS AROUND 5 KNOTS, INCREASING TO
5 TO 10 KNOTS AFTER MIDNIGHT. BAY WATERS LIGHT CHOP.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ450-221400-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
1109 PM CDT TUE JUL 21 2026
REST OF TONIGHT
WEST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHWEST 3 FEET AT
4 SECONDS.
WEDNESDAY
WEST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.
SEAS 2 TO 3 FEET. WAVE DETAIL: WEST 3 FEET AT 4 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. A
CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WEDNESDAY NIGHT
NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING NORTH
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHWEST 3 FEET AT 4 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS, MAINLY IN THE EVENING.
THURSDAY
TROPICAL STORM CONDITIONS POSSIBLE. NORTH WINDS 25 TO
30 KNOTS, BECOMING EAST IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE
DETAIL: NORTH 2 FEET AT 3 SECONDS AND WEST 2 FEET AT 5 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING,
THEN A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE MORNING
AND AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 2 TO 4 FEET. WAVE DETAIL: SOUTHWEST 2 FEET AT
5 SECONDS AND NORTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 2 FEET AT 6 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING, THEN A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE LATE MORNING
AND EARLY AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
SUNDAY
SOUTHWEST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ452-221400-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
1109 PM CDT TUE JUL 21 2026
..TROPICAL STORM WATCH IN EFFECT
REST OF TONIGHT
WEST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO
20 KNOTS. SEAS 2 TO 4 FEET. WAVE DETAIL: WEST 4 FEET AT
5 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE THIS
EVENING, THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WEDNESDAY
NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
WAVE DETAIL: WEST 4 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NORTHWEST
WINDS 15 TO 20 KNOTS, BECOMING NORTH 25 TO 30 KNOTS AFTER
MIDNIGHT. SEAS 2 TO 4 FEET. WAVE DETAIL: WEST 3 FEET AT
5 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN
THE EVENING.
THURSDAY
TROPICAL STORM CONDITIONS POSSIBLE. EAST WINDS 25 TO
30 KNOTS, BECOMING SOUTHEAST IN THE AFTERNOON. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHWEST 3 FEET AT
4 SECONDS. A CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 2 TO 4 FEET. WAVE DETAIL: SOUTH 3 FEET AT
5 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A
CHANCE OF SHOWERS UNTIL EARLY MORNING, THEN A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS LATE.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ455-221400-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
1109 PM CDT TUE JUL 21 2026
..TROPICAL STORM WATCH IN EFFECT
REST OF TONIGHT
NORTHWEST WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: WEST 3 FEET AT
4 SECONDS. SHOWERS LIKELY LATE THIS EVENING. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS.
WEDNESDAY
NORTHWEST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 2 TO 4 FEET. WAVE DETAIL: NORTHWEST 3 FEET AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS LATE.
WEDNESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NORTHWEST
WINDS 25 TO 30 KNOTS. SEAS 2 TO 4 FEET. WAVE DETAIL: NORTHWEST
3 FEET AT 4 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS.
THURSDAY
TROPICAL STORM CONDITIONS POSSIBLE. SOUTH WINDS 25 TO
30 KNOTS, DIMINISHING TO 20 TO 25 KNOTS IN THE AFTERNOON. SEAS
3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTH 4 FEET AT
6 SECONDS AND NORTHWEST 3 FEET AT 4 SECONDS. A CHANCE OF
THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN THE MORNING.
THURSDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS, DIMINISHING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:
SOUTHWEST 3 FEET AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: SOUTHWEST 2 FEET AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SATURDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET IN
THE MORNING, THEN 1 FOOT OR LESS.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FEET AFTER MIDNIGHT.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS, THEN AROUND 2 FEET AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ470-221400-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
1109 PM CDT TUE JUL 21 2026
REST OF TONIGHT
WEST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTHWEST 4 FEET AT
5 SECONDS.
WEDNESDAY
WEST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET. WAVE DETAIL: WEST
4 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
EARLY IN THE AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS
LATE.
WEDNESDAY NIGHT
WEST WINDS AROUND 15 KNOTS, BECOMING NORTH
AFTER MIDNIGHT. SEAS AROUND 3 FEET. WAVE DETAIL: WEST 3 FEET AT
5 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY EARLY IN THE
EVENING, THEN A CHANCE OF SHOWERS IN THE LATE EVENING AND
OVERNIGHT.
THURSDAY
TROPICAL STORM CONDITIONS POSSIBLE. NORTH WINDS 25 TO
30 KNOTS, BECOMING SOUTHWEST IN THE AFTERNOON. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHWEST 3 FEET AT
5 SECONDS AND SOUTHEAST 2 FEET AT 6 SECONDS. A CHANCE OF
THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET, SUBSIDING TO
3 FEET AFTER MIDNIGHT. WAVE DETAIL: SOUTHWEST 3 FEET AT
6 SECONDS. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS
EARLY IN THE EVENING. A SLIGHT CHANCE OF THUNDERSTORMS LATE.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS EARLY IN THE MORNING, THEN A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE MORNING.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
SUNDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ472-221400-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO
60 NM-
1109 PM CDT TUE JUL 21 2026
..TROPICAL STORM WATCH IN EFFECT
REST OF TONIGHT
WEST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
WEST 4 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS LATE THIS EVENING. A CHANCE OF SHOWERS AND
THUNDERSTORMS, THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
LATE.
WEDNESDAY
WEST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS.
SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: WEST
5 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
AFTERNOON.
WEDNESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. NORTHWEST
WINDS 15 TO 20 KNOTS WITH GUSTS UP TO 25 KNOTS, INCREASING TO
25 TO 30 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO
8 FEET. WAVE DETAIL: WEST 4 FEET AT 5 SECONDS. A CHANCE OF
THUNDERSTORMS. SHOWERS.
THURSDAY
TROPICAL STORM CONDITIONS POSSIBLE. SOUTHWEST WINDS
25 TO 30 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE
DETAIL: NORTHWEST 5 FEET AT 5 SECONDS AND SOUTH 2 FEET AT
5 SECONDS. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN
THE MORNING.
THURSDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
WEST 4 FEET AT 6 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. A
SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS AFTER
MIDNIGHT.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS UNTIL LATE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ475-221400-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA FROM 20 TO 60 NM-
1109 PM CDT TUE JUL 21 2026
..TROPICAL STORM WATCH IN EFFECT
REST OF TONIGHT
TROPICAL STORM CONDITIONS POSSIBLE. WEST WINDS
15 TO 20 KNOTS, INCREASING TO 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. WAVE DETAIL: WEST 5 FEET AT 5 SECONDS. A
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY LATE THIS EVENING, THEN A
CHANCE OF SHOWERS.
WEDNESDAY
TROPICAL STORM CONDITIONS POSSIBLE. NORTHWEST WINDS
20 TO 25 KNOTS WITH GUSTS UP TO 30 KNOTS. SEAS 5 TO 8 FEET,
OCCASIONALLY TO 10 FEET. WAVE DETAIL: WEST 6 FEET AT 6 SECONDS. A
CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL LATE AFTERNOON, THEN
SHOWERS AND THUNDERSTORMS LIKELY LATE.
WEDNESDAY NIGHT
TROPICAL STORM CONDITIONS POSSIBLE. WEST WINDS
25 TO 30 KNOTS. SEAS 6 TO 9 FEET, OCCASIONALLY TO 11 FEET. WAVE
DETAIL: WEST 6 FEET AT 6 SECONDS. SHOWERS WITH THUNDERSTORMS
LIKELY IN THE EVENING, THEN SHOWERS WITH A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
TROPICAL STORM CONDITIONS POSSIBLE. SOUTH WINDS 25 TO
30 KNOTS, DIMINISHING TO 20 TO 25 KNOTS IN THE AFTERNOON. SEAS
6 TO 9 FEET, OCCASIONALLY TO 11 FEET, SUBSIDING TO 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET IN THE AFTERNOON. WAVE DETAIL: WEST 8 FEET
AT 6 SECONDS. SHOWERS LIKELY IN THE MORNING. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHWEST 5 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF
THUNDERSTORMS UNTIL LATE AFTERNOON. A SLIGHT CHANCE OF SHOWERS.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A
SLIGHT CHANCE OF SHOWERS EARLY IN THE EVENING.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SATURDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
SUNDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
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