034
FZUS52 KKEY 092029
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
429 PM EDT TUE JUN 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.
GMZ005-100830-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
429 PM EDT TUE JUN 9 2026
SYNOPSIS
HIGH PRESSURE IN THE CENTRAL NORTH ATLANTIC WILL
CONTINUE TO SUPPORT GENTLE TO MODERATE EAST TO SOUTHEAST BREEZES
THROUGH WEDNESDAY. AS AN EASTERLY WAVE INTERACTS WITH A GYRE OVER
CENTRAL AMERICA, RAIN AND THUNDER CHANCES WILL PEAK WEDNESDAY
THROUGH THURSDAY. LATER IN THE WEEK, A SURFACE HIGH WILL MOVE FROM
THE NEW JERSEY COASTLINE INTO THE WESTERN NORTH ATLANTIC,
ALLOWING BREEZES TO SLACKEN. THE OVERALL FLOW OF MOISTURE WILL
SHIFT WEST OF THE KEYS MARINE ZONES BY THEN, REDUCING RAIN AND
THUNDER CHANCES THROUGH THE WEEKEND.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF JUNE 6...
47 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
18 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
13 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
12 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
14 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
10 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
7 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
6 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.
GULF STREAM INFORMATION COURTESY OF THE NATIONAL WEATHER SERVICE IN
KEY WEST, USING DATA FROM RTOFS AND NASA SPORT SST.
GMZ031-100830-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
429 PM EDT TUE JUN 9 2026
TONIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, INCREASING TO 10
TO 15 KNOTS. BAY WATERS A LIGHT CHOP, BECOMING A LIGHT TO
MODERATE CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
WEDNESDAY THROUGH THURSDAY
EAST TO SOUTHEAST WINDS NEAR 10
KNOTS. BAY WATERS A LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
FRIDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS.
FRIDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS, BECOMING
NORTHEAST TO EAST. BAY WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 5 KNOTS, BECOMING EAST TO
SOUTHEAST. BAY WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS NEAR 5 KNOTS. BAY WATERS
SMOOTH. A SLIGHT CHANCE OF SHOWERS.
SUNDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
GMZ032-035-100830-
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-
429 PM EDT TUE JUN 9 2026
TONIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, INCREASING TO 10
TO 15 KNOTS. SEAS AROUND 1 FOOT, EXCEPT 1 TO 2 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WEDNESDAY AND WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10
KNOTS. SEAS AROUND 1 FOOT, EXCEPT 1 TO 2 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS A LIGHT CHOP. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT CHOP. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS, BECOMING
NORTHEAST TO EAST. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH.
A SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 5 KNOTS, BECOMING EAST TO
SOUTHEAST. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY NIGHT AND SUNDAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1
FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ042>044-100830-
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-
429 PM EDT TUE JUN 9 2026
TONIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WEDNESDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET, SUBSIDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS,
INCREASING TO 10 TO 15 KNOTS. SEAS 1 TO 2 FEET, BUILDING TO AROUND
2 FEET. NEARSHORE WATERS A LIGHT CHOP, BECOMING A LIGHT TO
MODERATE CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET, SUBSIDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS, BECOMING
NORTHEAST TO EAST. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH. A
SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 5 KNOTS, BECOMING EAST TO
SOUTHEAST. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
SATURDAY NIGHT
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS.
SUNDAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ052>055-072>075-100830-
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-
429 PM EDT TUE JUN 9 2026
TONIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 3 FEET AT 4
SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
WEDNESDAY
EAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING
TO AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT 4 SECONDS. A CHANCE
OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS
2 TO 3 FEET. WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 4 SECONDS.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3
FEET, SUBSIDING TO AROUND 2 FEET. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS,
DECREASING TO 5 TO 10 KNOTS. SEAS AROUND 2 FEET, SUBSIDING TO 1
TO 2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT
EAST WINDS NEAR 5 KNOTS. SEAS 1 TO 2 FEET. A
SLIGHT CHANCE OF SHOWERS.
SATURDAY
EAST WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT. A SLIGHT
CHANCE OF SHOWERS.
SATURDAY NIGHT AND SUNDAY
EAST TO SOUTHEAST WINDS NEAR 5
KNOTS. SEAS AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS
1 TO 2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ033-034-100830-
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-
429 PM EDT TUE JUN 9 2026
TONIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, INCREASING TO 10
TO 15 KNOTS. SEAS 1 TO 2 FEET, BUILDING TO AROUND 2 FEET. WAVE
DETAIL: EAST TO SOUTHEAST 2 FEET AT 3 SECONDS. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
WEDNESDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET, SUBSIDING TO 1 TO 2 FEET. WAVE DETAIL: EAST 2 FEET AT 4
SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS
1 TO 2 FEET, BUILDING TO AROUND 2 FEET. WAVE DETAIL: EAST TO
SOUTHEAST 2 FEET AT 3 SECONDS. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
FRIDAY NIGHT AND SATURDAY
EAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT
OR LESS. A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS. A
SLIGHT CHANCE OF SHOWERS.
SUNDAY NIGHT
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
BT/AJP
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