452
FZUS52 KKEY 302028
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
428 PM EDT SAT MAY 30 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.
GMZ005-310830-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
428 PM EDT SAT MAY 30 2026
SYNOPSIS
WEAK HIGH PRESSURE ACROSS THE AREA WILL SUPPORT LIGHT
TO GENTLE SOUTHEAST TO SOUTH BREEZES OVER THE NEXT FEW DAYS,
BECOMING LIGHT AND VARIABLE AT TIMES. THE NEBULOUS PRESSURE
PATTERN WILL CONTINUE THROUGH MUCH OF EARLY NEXT WEEK, WITH NEAR
NORMAL RAIN AND THUNDER CHANCES ALSO EXPECTED. A WEAK FRONTAL
BOUNDARY MAY STALL NEAR THE KEYS COASTAL WATERS BY MID WEEK,
SUPPORTING AN UPTICK IN WIND SPEEDS AS WELL AS RAIN CHANCES.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF MAY 30...
35 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
11 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
10 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
7 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
7 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
6 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
2 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
1 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.
GMZ031-310830-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
428 PM EDT SAT MAY 30 2026
TONIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHWEST. BAY
WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS.
SUNDAY
SOUTHWEST WINDS NEAR 5 KNOTS. BAY WATERS SMOOTH. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTHWEST WINDS NEAR 5 KNOTS. BAY WATERS SMOOTH.
MONDAY
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
TUESDAY
WEST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS, BECOMING
NORTH TO NORTHEAST AND INCREASING TO 5 TO 10 KNOTS. BAY WATERS
SMOOTH, BECOMING SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS,
INCREASING TO NEAR 10 KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP,
BECOMING A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
THURSDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
GMZ032-035-310830-
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-
428 PM EDT SAT MAY 30 2026
TONIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHWEST. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF
SHOWERS.
SUNDAY
SOUTHWEST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
SOUTH TO SOUTHWEST WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH.
MONDAY
SOUTHWEST TO WEST WINDS NEAR 5 KNOTS, BECOMING WEST.
SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
TUESDAY
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
WEST TO NORTHWEST WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
WEDNESDAY
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS, BECOMING NORTH
TO NORTHEAST. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS,
INCREASING TO NEAR 10 KNOTS. SEAS AROUND 1 FOOT, BUILDING TO 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS, INCREASING TO
10 TO 15 KNOTS. SEAS 1 TO 2 FEET, EXCEPT BUILDING TO 2 TO 3 FEET
WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS A LIGHT CHOP,
BECOMING A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS
1 TO 2 FEET, EXCEPT 2 TO 3 FEET WEST OF THE MARQUESAS KEYS.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
GMZ042>044-310830-
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-
428 PM EDT SAT MAY 30 2026
TONIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTH TO
SOUTHWEST. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT
CHANCE OF SHOWERS.
SUNDAY
SOUTH TO SOUTHWEST 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 NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH.
MONDAY
SOUTHWEST TO WEST WINDS NEAR 5 KNOTS, BECOMING WEST.
SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1
FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
TUESDAY
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS, BECOMING
NORTH TO NORTHEAST. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH.
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS,
INCREASING TO NEAR 10 KNOTS. SEAS AROUND 1 FOOT, BUILDING TO 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT
CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY AND THURSDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15
KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ052>055-072>075-310830-
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-
428 PM EDT SAT MAY 30 2026
TONIGHT
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTH. SEAS
AROUND 1 FOOT. WAVE DETAIL: EAST TO SOUTHEAST 1 FOOT AT 3
SECONDS. A SLIGHT CHANCE OF SHOWERS.
SUNDAY
SOUTH WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT. WAVE
DETAIL: EAST TO SOUTHEAST 1 FOOT AT 3 SECONDS. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR
LESS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS. WAVE DETAIL:
EAST TO SOUTHEAST 1 FOOT AT 3 SECONDS.
MONDAY
SOUTH WINDS NEAR 5 KNOTS, BECOMING VARIABLE. SEAS 1
FOOT OR LESS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
VARIABLE WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
TUESDAY
NORTHWEST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
VARIABLE WINDS NEAR 5 KNOTS, INCREASING TO 5 TO
10 KNOTS. SEAS AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, INCREASING TO NEAR 10
KNOTS. SEAS BUILDING TO 2 TO 3 FEET DUE TO A NORTHEASTERLY SWELL.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
THURSDAY AND THURSDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15
KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
GMZ033-034-310830-
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-
428 PM EDT SAT MAY 30 2026
TONIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTH TO
SOUTHWEST. SEAS AROUND 1 FOOT. WAVE DETAIL: NORTHWEST TO NORTH 1
FOOT AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS.
SUNDAY
SOUTH TO SOUTHWEST WINDS NEAR 5 KNOTS. SEAS AROUND 1
FOOT. WAVE DETAIL: NORTHWEST 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTH WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT.
WAVE DETAIL: SOUTHWEST 1 FOOT AT 4 SECONDS.
MONDAY
SOUTHWEST TO WEST WINDS NEAR 5 KNOTS, BECOMING WEST TO
NORTHWEST. SEAS AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS. SEAS
AROUND 1 FOOT.
TUESDAY
NORTHWEST WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS, BECOMING
NORTHEAST TO EAST. SEAS AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
WEDNESDAY
NORTHEAST WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
EAST WINDS 5 TO 10 KNOTS, INCREASING TO NEAR 10 KNOTS.
SEAS 1 TO 2 FEET, BUILDING TO 2 TO 4 FEET, OCCASIONALLY TO 5
FEET. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
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