005
FZUS52 KKEY 091454
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1054 AM EDT THU APR 9 2026
FLORIDA BAY, HAWK CHANNEL AND STRAITS OF FLORIDA FROM OCEAN REEF
TO SOUTH OF DRY TORTUGAS, AND THE EXTREME SOUTHEASTERN GULF OF
AMERICA, INCLUDING THE FLORIDA KEYS NATIONAL MARINE SANCTUARY
SEAS ARE GIVEN AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
WAVE DETAIL WILL INCLUDE DETAILS ABOUT THE PERIOD AND DIRECTION
OF ORIGIN FOR THE HIGHEST ENERGY WAVES. LONG-PERIOD SWELLS COMING
FROM A DIFFERENT DIRECTION THAN THE WIND WOULD BE INCLUDED IN THE
WAVE DETAIL.
GMZ005-100300-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1054 AM EDT THU APR 9 2026
SYNOPSIS
A PRONOUNCED WIND SURGE MOVED OVER THE NORTHERN
FLORIDA KEYS COASTAL WATERS LATE LAST NIGHT. BREEZES WILL CONTINUE
TO FRESHEN TODAY AS RESULT, THEREFORE, A SMALL CRAFT ADVISORY IS
IN PLACE FOR ALL OF THE COASTAL WATERS. SEAS WILL BE HIGHER IN THE
EASTERN STRAITS DUE TO A NORTHEAST SWELL. DRIER AIR AND FRESH TO
STRONG BREEZES WILL BE IN STORE FOR THE WEEKEND, AND ARE FORECAST
TO PERSIST THROUGH EARLY NEXT WEEK.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF APRIL
4...
19 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
23 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
33 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
39 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
23 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
15 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
10 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
6 NM SOUTHEAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.
GULF STREAM INFORMATION COURTESY OF THE NATIONAL WEATHER SERVICE IN
KEY WEST BASED ON PRODUCTS FROM NASA SPORT AND RTOFS.
GMZ031-100300-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1054 AM EDT THU APR 9 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS, INCREASING TO NEAR
20 KNOTS. BAY WATERS CHOPPY, BECOMING ROUGH. A CHANCE OF SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. BAY WATERS ROUGH.
A CHANCE OF SHOWERS.
FRIDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. BAY WATERS ROUGH. A
CHANCE OF SHOWERS.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. BAY WATERS
ROUGH. A SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. BAY WATERS ROUGH.
A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. BAY WATERS VERY
ROUGH.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. BAY WATERS
VERY ROUGH.
MONDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. BAY WATERS VERY
ROUGH.
MONDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. BAY WATERS VERY ROUGH.
GMZ032-035-100300-
BAYSIDE AND GULFSIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE
BRIDGE-
GULF OF AMERICA FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON
SHOAL OUT TO 5 FATHOMS-
1054 AM EDT THU APR 9 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS, INCREASING TO NEAR
20 KNOTS. SEAS 1 TO 2 FEET, BUILDING TO 2 TO 3 FEET. NEARSHORE
WATERS CHOPPY, BECOMING ROUGH. A CHANCE OF SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 2 TO
3 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY TO 6 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS ROUGH. A CHANCE OF SHOWERS.
FRIDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY
TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS ROUGH. A
CHANCE OF SHOWERS.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY
TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
A SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY
TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS ROUGH. A
SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS VERY ROUGH.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY
TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 6 FEET, OCCASIONALLY
TO 8 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
MONDAY
EAST WINDS 20 TO 25 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 6 FEET, OCCASIONALLY TO 8
FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
MONDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY TO 6
FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
GMZ042>044-100300-
HAWK CHANNEL FROM OCEAN REEF TO CRAIG KEY OUT TO THE REEF-
HAWK CHANNEL FROM CRAIG KEY TO WEST END OF SEVEN MILE BRIDGE OUT
TO THE REEF-
HAWK CHANNEL FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON SHOAL
OUT TO THE REEF-
1054 AM EDT THU APR 9 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS, INCREASING TO NEAR
20 KNOTS. SEAS 2 TO 3 FEET, EXCEPT BUILDING TO 4 TO 6 FEET WEST
OF COSGROVE SHOAL LIGHT DUE TO NORTHEAST SWELL. NEARSHORE WATERS
CHOPPY, BECOMING ROUGH. A CHANCE OF SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS ROUGH. A CHANCE
OF SHOWERS.
FRIDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS ROUGH. A CHANCE
OF SHOWERS.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS VERY ROUGH. A
SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS VERY ROUGH. A
SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS
3 TO 5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE WATERS VERY ROUGH.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE WATERS VERY ROUGH.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET. NEARSHORE WATERS VERY ROUGH.
MONDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET, EXCEPT 4 TO 6 FEET, OCCASIONALLY
TO 8 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS VERY
ROUGH.
MONDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET, EXCEPT 5 TO 6 FEET, OCCASIONALLY TO 8
FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS VERY ROUGH.
GMZ052>055-072>075-100300-
STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY OUT 20 NM-
STRAITS OF FLORIDA FROM CRAIG KEY TO WEST END OF SEVEN MILE
BRIDGE OUT 20 NM-
STRAITS OF FLORIDA FROM WEST END OF SEVEN MILE BRIDGE TO SOUTH OF
HALFMOON SHOAL OUT 20 NM-
STRAITS OF FLORIDA FROM HALFMOON SHOAL TO 20 NM WEST OF DRY
TORTUGAS OUT 20 NM-
STRAITS OF FLORIDA FROM OCEAN REEF TO CRAIG KEY 20 TO 60 NM OUT-
STRAITS OF FLORIDA FROM CRAIG KEY TO WEST END OF SEVEN MILE
BRIDGE 20 TO 60 NM OUT-
STRAITS OF FLORIDA FROM WEST END OF SEVEN MILE BRIDGE TO SOUTH OF
HALFMOON SHOAL 20 TO 60 NM OUT-
STRAITS OF FLORIDA FROM HALFMOON SHOAL TO 20 NM WEST OF DRY
TORTUGAS 20 TO 60 NM OUT-
1054 AM EDT THU APR 9 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS, INCREASING NEAR
20 KNOTS. SEAS 6 TO 8 FEET, OCCASIONALLY TO 10 FEET, ESPECIALLY
OFF THE UPPER KEYS DUE TO A NORTHEAST SWELL. WAVE DETAIL:
NORTHEAST TO EAST 5 FEET AT 7 SECONDS AND NORTH TO NORTHEAST 8
FEET AT 11 SECONDS, ESPECIALLY OFF THE UPPER KEYS. A CHANCE OF
SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 5 TO 7
FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST TO EAST 6
FEET AT 7 SECONDS AND NORTH TO NORTHEAST 2 FEET AT 11 SECONDS. A
CHANCE OF SHOWERS.
FRIDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 5 TO 7
FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST TO EAST 7
FEET AT 7 SECONDS. A CHANCE OF SHOWERS.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 6 TO
7 FEET, OCCASIONALLY TO 9 FEET. A SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS
6 TO 7 FEET, OCCASIONALLY TO 9 FEET. A SLIGHT CHANCE OF SHOWERS.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
7 FEET, OCCASIONALLY TO 9 FEET.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 25 KNOTS. SEAS 6 TO
9 FEET, OCCASIONALLY TO 11 FEET.
MONDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
8 FEET, OCCASIONALLY TO 10 FEET.
MONDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET.
GMZ033-034-100300-
GULF OF AMERICA FROM EAST CAPE SABLE TO CHOKOLOSKEE 20 TO 60 NM
OUT AND BEYOND 5 FATHOMS-
GULF OF AMERICA INCLUDING DRY TORTUGAS AND REBECCA SHOAL CHANNEL-
1054 AM EDT THU APR 9 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST 4 FEET AT 5
SECONDS. A CHANCE OF SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS, INCREASING TO
20 TO 25 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE
DETAIL: NORTHEAST 5 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS.
FRIDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 4 TO 6
FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST 5 FEET AT 5
SECONDS. A SLIGHT CHANCE OF SHOWERS.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 4 TO
5 FEET, OCCASIONALLY TO 6 FEET. A SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET. A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS
3 TO 5 FEET, OCCASIONALLY TO 6 FEET.
SUNDAY
EAST WINDS NEAR 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
SUNDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
MONDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
EAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
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