928
FZUS52 KKEY 272019
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
419 PM EDT SAT JUN 27 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.
GMZ005-280830-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
419 PM EDT SAT JUN 27 2026
SYNOPSIS
A BROAD HIGH PRESSURE SYSTEM CENTERED OVER THE NORTH
ATLANTIC WILL CONTINUE TO EXTEND WESTWARD TO THE FLORIDA PENINSULA
THROUGH EARLY NEXT WEEK. THIS WILL SUPPORT BOUTS OF LIGHT TO
GENTLE BREEZES THAT MAY FRESHEN TO GENTLE TO MODERATE AT TIMES,
MAINLY IN THE OVERNIGHT HOURS. STARTING LATE MONDAY, A FRONTAL
BOUNDARY WILL PRESS SOUTH ACROSS THE FLORIDA PENINSULA AND STALL
ACROSS CENTRAL FLORIDA. THIS WILL ACT TO WEAKEN THE HIGH AND
ALLOW FOR SLACKENING BREEZES THROUGH WEDNESDAY. THEREAFTER, A
BROAD AREA OF LOW PRESSURE MAY DEVELOP ALONG THE RESIDUAL STALLED
FRONTAL BOUNDARY AND MOVE WESTWARD ACROSS FLORIDA. THIS COULD
POTENTIALLY FRESHEN BREEZES ONCE AGAIN.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF JUNE 21,
2026...
32 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
12 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
11 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
10 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
12 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
10 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
6 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
3 NM SOUTHEAST 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.
GMZ031-280830-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
419 PM EDT SAT JUN 27 2026
TONIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS EARLY, INCREASING
TO NEAR 10 KNOTS IN THE EVENING, THEN INCREASING TO 10 TO 15 KNOTS
AFTER MIDNIGHT. BAY WATERS SMOOTH TO A LIGHT CHOP, BECOMING A
LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, DECREASING TO
NEAR 10 KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP, BECOMING A
LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS
A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ032-035-280830-
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-
419 PM EDT SAT JUN 27 2026
TONIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS EARLY, INCREASING
TO NEAR 10 KNOTS IN THE EVENING, THEN INCREASING TO 10 TO 15
KNOTS AFTER MIDNIGHT. SEAS AROUND 1 FOOT, BUILDING TO 1 TO 2 FEET.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT TO
MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, DECREASING TO NEAR
10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP, BECOMING A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST TO SOUTHEAST 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 SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY NIGHT
EAST TO SOUTHEAST 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 SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, DECREASING TO 5
TO 10 KNOTS. SEAS AROUND 1 FOOT, SUBSIDING TO 1 FOOT OR LESS. WEST
OF THE MARQUESAS KEYS, SEAS 1 TO 2 FEET, SUBSIDING TO AROUND 1
FOOT. NEARSHORE WATERS A LIGHT CHOP, BECOMING SMOOTH TO A LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST TO SOUTHEAST 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
EAST TO SOUTHEAST 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
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS
BUILDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS SUBSIDING
TO AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS
BUILDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
GMZ042>044-280830-
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-
419 PM EDT SAT JUN 27 2026
TONIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS EARLY, INCREASING
TO NEAR 10 KNOTS IN THE EVENING, THEN INCREASING TO 10 TO 15
KNOTS AFTER MIDNIGHT. SEAS 1 TO 2 FEET, BUILDING TO 2 TO 3 FEET.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT TO
MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
MONDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2,
SUBSIDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS
AROUND 2 FEET. NEARSHORE WATERS A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS
AROUND 2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
GMZ052>055-072>075-280830-
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-
419 PM EDT SAT JUN 27 2026
TONIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS EARLY, INCREASING
TO 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST 3 FEET AT
5 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. WAVE DETAIL: EAST TO SOUTHEAST 3 FEET AT 5 SECONDS. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING
TO NEAR 15 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE
DETAIL: EAST 4 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3
FEET, SUBSIDING TO 1 TO 2 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2
TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS
BUILDING TO 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. A CHANCE OF
THUNDERSTORMS WITH A SLIGHT CHANCE OF SHOWERS.
THURSDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3
FEET. A SLIGHT CHANCE OF SHOWERS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2
TO 4 FEET, OCCASIONALLY TO 5 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
GMZ033-034-280830-
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-
419 PM EDT SAT JUN 27 2026
TONIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO
NEAR 10 KNOTS. SEAS AROUND 1 FOOT, BUILDING TO 1 TO 2 FEET. WAVE
DETAIL: EAST 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO
2 FEET. WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 3 SECONDS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET, BUILDING TO 2 TO 3 FEET. WAVE DETAIL: EAST 2 FEET AT 3
SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, DECREASING TO 5
TO 10 KNOTS. SEAS AROUND 2 FEET, SUBSIDING TO 1 TO 2 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING
TO NEAR 10 KNOTS. SEAS 1 TO 2 FEET. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS DECREASING TO 5 TO 10 KNOTS.
SEAS 1 TO 2 FEET, SUBSIDING TO AROUND 1 FOOT. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST
TO SOUTHEAST. SEAS AROUND 1 FOOT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS AROUND
1 FOOT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1
TO 2 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1
TO 2 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
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