442
FZUS52 KKEY 100824
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
424 AM EDT SUN MAY 10 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.
GMZ005-102030-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
424 AM EDT SUN MAY 10 2026
SYNOPSIS
LIGHT TO GENTLE SOUTHEASTERLY BREEZES WILL CONTINUE
THROUGH THE START OF THE WORK WEEK. DEEP LAYERS OF DRY AIR WILL
KEEP SHOWER AND THUNDERSTORM COVERAGE LOW THROUGH THE EARLY PART
OF THE WORK WEEK. A WEAK FRONTAL BOUNDARY DURING THE MIDDLE OF THE
WEEK MAY BE ABLE TO SOMEWHAT INCREASE RAIN CHANCES. EXPECT PERIODS
OF VARIABLE WINDS DURING THE WEEK AS THE INFLUENCE OF THE ATLANTIC
HIGH WANES ACROSS THE FLORIDA KEYS.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF MAY 05...
23 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
13 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
12 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
14 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
14 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
10 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
8 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
7 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.
GMZ031-102030-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
424 AM EDT SUN MAY 10 2026
TODAY
SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT CHOP.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TONIGHT
SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
SOUTHEAST WINDS NEAR 10 KNOTS, DECREASING TO 5 TO 10
KNOTS. BAY WATERS A LIGHT CHOP, BECOMING SMOOTH TO A LIGHT CHOP.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
SOUTHEAST WINDS NEAR 5 KNOTS. BAY WATERS SMOOTH.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
VARIABLE WINDS NEAR 5 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TUESDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS.
WEDNESDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS. BAY
WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS.
THURSDAY
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS, BECOMING
VARIABLE. BAY WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY NIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING NORTH TO
NORTHEAST AND INCREASING TO 5 TO 10 KNOTS. BAY WATERS SMOOTH,
BECOMING SMOOTH TO A LIGHT CHOP.
GMZ032-035-102030-
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-
424 AM EDT SUN MAY 10 2026
TODAY
SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TONIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
SOUTHEAST WINDS NEAR 10 KNOTS, DECREASING TO 5 TO 10
KNOTS. SEAS SUBSIDING TO 1 FOOT OR LESS. NEARSHORE WATERS A LIGHT
CHOP, BECOMING SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
MONDAY NIGHT
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
VARIABLE WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT
OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF
SHOWERS.
THURSDAY
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT
OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE
OF SHOWERS.
THURSDAY NIGHT
NORTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
GMZ042>044-102030-
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-
424 AM EDT SUN MAY 10 2026
TODAY
SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TONIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS BUILDING
TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
SOUTHEAST WINDS 10 TO 15 KNOTS, DECREASING TO 5 TO 10
KNOTS. SEAS SUBSIDING TO AROUND 1 FOOT. NEARSHORE WATERS A LIGHT
TO MODERATE CHOP, BECOMING SMOOTH TO A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS, DECREASING
TO NEAR 5 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A
LIGHT CHOP, BECOMING SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
VARIABLE WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE
WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
NORTHEAST TO EAST WINDS NEAR 5 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF
SHOWERS.
THURSDAY
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT
OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
GMZ052>055-072>075-102030-
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-
424 AM EDT SUN MAY 10 2026
TODAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
TONIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 4 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST
5 TO 10 KNOTS. SEAS SUBSIDING TO AROUND 2 FEET. WAVE DETAIL: EAST
TO SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS DECREASING TO 5 TO 10 KNOTS. SEAS
SUBSIDING TO 1 TO 2 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
VARIABLE WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHEAST WINDS NEAR 5 KNOTS. SEAS 1 TO
2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
NORTH WINDS NEAR 5 KNOTS. SEAS 1 TO 2 FEET. A SLIGHT
CHANCE OF SHOWERS.
THURSDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS. SEAS
AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ033-034-102030-
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-
424 AM EDT SUN MAY 10 2026
TODAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. WAVE DETAIL: EAST TO SOUTHEAST 1 FOOT AT 3 SECONDS. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TONIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET. WAVE DETAIL: EAST TO SOUTHEAST 1 FOOT AT 3 SECONDS AND
SOUTHWEST 1 FOOT AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. WAVE
DETAIL: SOUTHEAST 1 FOOT AT 3 SECONDS.
MONDAY NIGHT
VARIABLE WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR
LESS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
NORTH WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT.
A SLIGHT CHANCE OF SHOWERS.
THURSDAY AND THURSDAY NIGHT
NORTH WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT.
AJP
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