390
FZUS54 KLCH 182010
CWFLCH
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE LAKE CHARLES LA
310 PM CDT MON MAY 18 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.
GMZ400-190900-
310 PM CDT MON MAY 18 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...
ONSHORE WINDS AROUND 20 KNOTS WILL CONTINUE THIS AFTERNOON
AND TONIGHT MAINTAINING SEAS IN THE 3-6 FEET RANGE. A SMALL CRAFT
ADVISORY REMAINS IN EFFECT THROUGH THIS EVENING. WINDS WILL WEAKEN
TUESDAY THROUGH THE END OF THE WEEK. PRECIPITATION CHANCES INCREASE
SIGNIFICANTLY TUESDAY NIGHT THROUGH NEXT MONDAY AS A STALLED FRONTAL
BOUNDARY AND A SERIES OF UPPER LEVEL DISTURBANCES PRODUCE SEVERAL
WAVES OF PRECIPITATION.
GMZ430-190900-
SABINE LAKE-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
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 IN THE EVENING, THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS
LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE
EVENING, THEN SHOWERS LIKELY AFTER MIDNIGHT.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP.
THUNDERSTORMS LIKELY. SHOWERS.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP. A
CHANCE OF THUNDERSTORMS. SHOWERS.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS
LIGHT CHOP. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ432-190900-
CALCASIEU LAKE-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. LAKE WATERS ROUGH.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. LAKE WATERS CHOPPY.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS, DIMINISHING TO 5 TO 10 KNOTS AFTER MIDNIGHT. LAKE
WATERS CHOPPY. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP. A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS
LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH 10 TO
15 KNOTS WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. LAKE WATERS
CHOPPY. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO
10 KNOTS AFTER MIDNIGHT. LAKE WATERS CHOPPY. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING, THEN
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. LAKE WATERS CHOPPY.
THUNDERSTORMS LIKELY. SHOWERS LIKELY.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT
CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. LAKE WATERS LIGHT CHOP. A
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. LAKE WATERS
LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS IN THE EVENING, THEN SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ435-190900-
VERMILION AND WEST COTE BLANCHE BAYS-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO
15 KNOTS AFTER MIDNIGHT. BAY WATERS ROUGH.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. BAY WATERS CHOPPY.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. BAY WATERS CHOPPY. A SLIGHT CHANCE
OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN
THE MORNING, THEN A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
LIGHT CHOP. A SLIGHT CHANCE OF THUNDERSTORMS. A CHANCE OF
SHOWERS, MAINLY IN THE EVENING.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY. A CHANCE
OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
A CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE EVENING,
THEN SHOWERS LIKELY AFTER MIDNIGHT.
SATURDAY
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS LIGHT CHOP.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ436-190900-
ATCHAFALAYA AND EAST COTE BLANCHE BAYS-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS CHOPPY.
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. A SLIGHT CHANCE
OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN THE EVENING, THEN
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
LIGHT CHOP. A SLIGHT CHANCE OF THUNDERSTORMS IN THE EVENING. A
SLIGHT CHANCE OF SHOWERS.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT CHOP.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS LIGHT
CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.
GMZ450-190900-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX OUT 20 NM-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS WITH GUSTS UP TO
25 KNOTS. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHEAST 4 FEET AT 5 SECONDS.
TUESDAY
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET. WAVE
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 4 SECONDS AND SOUTHEAST
3 FEET AT 7 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT
CHANCE OF SHOWERS IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER
MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 7 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS AFTER
MIDNIGHT.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. SHOWERS
LIKELY. THUNDERSTORMS LIKELY, MAINLY IN THE MORNING.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. SHOWERS LIKELY WITH A SLIGHT CHANCE OF THUNDERSTORMS IN
THE EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS
AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ452-190900-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA OUT 20 NM-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TONIGHT
SOUTHEAST WINDS 15 TO 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.
TUESDAY
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 4 FEET. WAVE DETAIL: SOUTH 4 FEET AT
6 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 3 SECONDS AND SOUTH
3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS
AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS IN THE MORNING, THEN A CHANCE OF SHOWERS AND
THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTH 2 FEET AT 6 SECONDS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
THURSDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A CHANCE
OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ455-190900-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA OUT 20 NM-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT
TONIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
3 SECONDS.
TUESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT
3 SECONDS AND SOUTH 1 FOOT AT 7 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL:
SOUTHEAST 2 FEET AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 2 FEET AT 7 SECONDS AND SOUTHEAST 1 FOOT AT
3 SECONDS. A SLIGHT CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
2 FEET. WAVE DETAIL: SOUTHEAST 1 FOOT AT 2 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
WAVE DETAIL: SOUTH 1 FOOT AT 2 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY NIGHT
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND
2 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ470-190900-
COASTAL WATERS FROM CAMERON LA TO HIGH ISLAND TX FROM 20 TO 60 NM-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS.
TUESDAY
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 7 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
WEDNESDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS. A CHANCE OF SHOWERS
AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
THURSDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF
THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS
LIKELY IN THE AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.
A CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE
EVENING, THEN A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. A
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON.
FRIDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.
SHOWERS LIKELY. A CHANCE OF THUNDERSTORMS, MAINLY IN THE MORNING.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND
3 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS
IN THE EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS AFTER MIDNIGHT.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ472-190900-
COASTAL WATERS FROM INTRACOASTAL CITY TO CAMERON LA FROM 20 TO
60 NM-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TONIGHT
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 7 SECONDS.
TUESDAY
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO
20 KNOTS. SEAS 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
SOUTHEAST 5 FEET AT 7 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
WEDNESDAY
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
SOUTHEAST 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 IN THE MORNING, THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.
A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF SHOWERS IN
THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND
3 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. A
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN
SHOWERS LIKELY IN THE AFTERNOON.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND
3 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
GMZ475-190900-
COASTAL WATERS FROM LOWER ATCHAFALAYA RIVER TO INTRACOASTAL CITY
LA FROM 20 TO 60 NM-
310 PM CDT MON MAY 18 2026
..SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH LATE TONIGHT
TONIGHT
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS.
TUESDAY
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT
7 SECONDS.
TUESDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.
WEDNESDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
WEDNESDAY NIGHT
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: SOUTH 3 FEET AT 6 SECONDS. A SLIGHT CHANCE
OF SHOWERS AFTER MIDNIGHT.
THURSDAY
SOUTHEAST 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 IN THE MORNING, THEN A CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
THURSDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER
MIDNIGHT.
FRIDAY
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING, THEN A CHANCE
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
FRIDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SATURDAY
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page