547
FZUS52 KKEY 270921
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
421 AM EST FRI FEB 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.
GMZ005-272130-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
421 AM EST FRI FEB 27 2026
SYNOPSIS
LIGHT TO MODERATE EAST TO SOUTHEASTERLY BREEZES ACROSS THE KEYS
COASTAL WATERS WILL PERSIST THROUGH THE END OF THE MONTH. OVER
THE WEEKEND, THE ATLANTIC RIDGE WILL SHIFT FURTHER EASTWARD AS A
COUPLE OF FRONTAL SYSTEMS STALL OVER NORTHERN FLORIDA. EXPECT A
PERIOD OF LIGHT AND VARIABLE WINDS AS A COL REGION FORMS NEAR THE
NORTHERN WATERS ON SATURDAY. A CUBAN SHADOW WILL KEEP SHOWER
COVERAGE LIMITED DURING THIS PERIOD. NEXT WEEK, A BROAD HIGH
PRESSURE SYSTEM IS FORECAST TO MIGRATE INTO THE EASTERN UNITED
STATES, WHICH WOULD SUPPORT RAPIDLY FRESHENING BREEZES ACROSS THE
SOUTHERN WATERS.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF FEBRUARY
26...
14 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
4 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
2 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
9 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
14 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
12 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
5 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 BASED ON PRODUCTS FROM NASA SPORT AND RTOFS.
GMZ031-272130-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
421 AM EST FRI FEB 27 2026
TODAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH
TO A LIGHT CHOP.
TONIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
SATURDAY
SOUTHEAST WINDS NEAR 5 KNOTS. BAY WATERS SMOOTH.
ISOLATED SHOWERS.
SATURDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS. BAY
WATERS SMOOTH. ISOLATED SHOWERS.
SUNDAY
NORTHEAST TO EAST WINDS NEAR 5 KNOTS. BAY WATERS
SMOOTH. ISOLATED SHOWERS.
SUNDAY 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. ISOLATED SHOWERS.
MONDAY
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS, INCREASING TO
NEAR 15 KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP, BECOMING A
MODERATE CHOP. ISOLATED SHOWERS.
MONDAY NIGHT THROUGH TUESDAY NIGHT
NORTHEAST TO EAST WINDS 15
TO 20 KNOTS. BAY WATERS CHOPPY. ISOLATED SHOWERS.
GMZ032-035-272130-
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-
421 AM EST FRI FEB 27 2026
TODAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS, EXCEPT 1 TO 2 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP.
TONIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
SATURDAY
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH. ISOLATED SHOWERS.
SATURDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED
SHOWERS.
SUNDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS INCREASING TO NEAR 10
KNOTS. SEAS BUILDING TO AROUND 1 FOOT. NEARSHORE WATERS BECOMING A
LIGHT CHOP. ISOLATED SHOWERS.
MONDAY
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
MONDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 15 KNOTS, INCREASING
TO 15 TO 20 KNOTS. SEAS 1 TO 2 FEET, EXCEPT 2 TO 3 FEET WEST OF
THE MARQUESAS KEYS. NEARSHORE WATERS A MODERATE CHOP, BECOMING
CHOPPY. ISOLATED SHOWERS.
TUESDAY AND TUESDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20
KNOTS. SEAS 2 TO 3 FEET, EXCEPT 3 TO 4 FEET, OCCASIONALLY TO 5
FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS CHOPPY. ISOLATED
SHOWERS.
GMZ042>044-272130-
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-
421 AM EST FRI FEB 27 2026
TODAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, DECREASING TO 5
TO 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP,
BECOMING SMOOTH TO A LIGHT CHOP.
TONIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS SUBSIDING
TO 1 TO 2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED
SHOWERS.
SATURDAY
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH. ISOLATED SHOWERS.
SATURDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED
SHOWERS.
SUNDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS INCREASING TO 10 TO 15
KNOTS. SEAS BUILDING TO 1 TO 2 FEET. NEARSHORE WATERS BECOMING A
LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
MONDAY
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS BUILDING TO
2 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED
SHOWERS.
MONDAY NIGHT
NORTHEAST TO EAST WINDS INCREASING TO 15 TO 20
KNOTS. SEAS BUILDING TO 2 TO 4 FEET, OCCASIONALLY TO 5 FEET.
NEARSHORE WATERS BECOMING CHOPPY. ISOLATED SHOWERS.
TUESDAY AND TUESDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20
KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS
CHOPPY. ISOLATED SHOWERS.
GMZ052>055-072>075-272130-
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-
421 AM EST FRI FEB 27 2026
TODAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, DECREASING TO NEAR
10 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST TO SOUTHEAST 3 FEET
AT 5 SECONDS. ISOLATED SHOWERS.
TONIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 3
FEET. WAVE DETAIL: EAST 2 FEET AT 4 SECONDS. ISOLATED SHOWERS.
SATURDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. WAVE DETAIL: EAST TO SOUTHEAST 1 FOOT AT 3 SECONDS.
ISOLATED SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS
1 TO 2 FEET. SCATTERED SHOWERS.
SUNDAY
NORTHEAST WINDS NEAR 10 KNOTS. SEAS BUILDING TO AROUND
2 FEET. ISOLATED SHOWERS.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. ISOLATED SHOWERS.
MONDAY
NORTHEAST TO EAST WINDS NEAR 15 KNOTS. SEAS BUILDING TO 2
TO 4 FEET, OCCASIONALLY TO 5 FEET. ISOLATED SHOWERS.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS
BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. ISOLATED
SHOWERS.
TUESDAY AND TUESDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20
KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. ISOLATED SHOWERS.
GMZ033-034-272130-
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-
421 AM EST FRI FEB 27 2026
TODAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, DECREASING TO 5
TO 10 KNOTS. SEAS 1 TO 2 FEET. WAVE DETAIL: EAST TO SOUTHEAST 1
FOOT AT 3 SECONDS.
TONIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS SUBSIDING
TO AROUND 1 FOOT. WAVE DETAIL: EAST TO SOUTHEAST 1 FOOT AT 3
SECONDS AND WEST TO NORTHWEST 1 FOOT AT 8 SECONDS. SCATTERED
SHOWERS.
SATURDAY
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS AROUND 1
FOOT. WAVE DETAIL: EAST TO SOUTHEAST 1 FOOT AT 2 SECONDS AND WEST
TO NORTHWEST 1 FOOT AT 7 SECONDS. ISOLATED SHOWERS.
SATURDAY NIGHT AND SUNDAY
NORTH TO NORTHEAST WINDS 5 TO 10
KNOTS. SEAS AROUND 1 FOOT. ISOLATED SHOWERS.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS, INCREASING
TO 10 TO 15 KNOTS. SEAS BUILDING TO 1 TO 2 FEET.
MONDAY
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS BUILDING TO 1
TO 3 FEET.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS, INCREASING
TO 15 TO 20 KNOTS. SEAS BUILDING TO 2 TO 4 FEET, OCCASIONALLY TO 5
FEET.
TUESDAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS, DECREASING TO
NEAR 15 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET.
TUESDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET. ISOLATED SHOWERS.
AJP
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