351
FZUS52 KKEY 212127
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
427 PM EST FRI NOV 21 2025
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.
GMZ005-220930-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
427 PM EST FRI NOV 21 2025
SYNOPSIS
HIGH PRESSURE SPANNING THE ATLANTIC COAST AND FLORIDA
WILL MAINTAIN GENTLE TO MODERATE BREEZES, TENDING STRONGER OVER
THE FLORIDA STRAITS. THIS HIGH WILL WEAKEN AS IT PIVOTS OUT INTO
THE ATLANTIC OVERNIGHT. THIS WILL RESULT IN SLACKENING BREEZES
HEADING INTO THE WEEKEND. BREEZES ARE EXPECTED TO FRESHEN MODESTLY
EARLY NEXT WEEK AS A CONTINENTAL HIGH DRIVING INTO THE EASTERN
UNITED STATES REINFORCES THE OLD RIDGE.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF NOVEMBER 14...
54 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
23 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
19 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
17 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
15 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
4 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
1 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.
GMZ031-220930-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
427 PM EST FRI NOV 21 2025
TONIGHT
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP.
SATURDAY
NORTHEAST TO EAST WINDS DECREASING TO 5 TO 10 KNOTS.
BAY WATERS BECOMING SMOOTH TO A LIGHT CHOP.
SATURDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
SUNDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING
NORTHEAST TO EAST NEAR 5 KNOTS. BAY WATERS SMOOTH TO A LIGHT
CHOP, BECOMING SMOOTH.
SUNDAY NIGHT
NORTHEAST WINDS INCREASING TO 5 TO 10 KNOTS. BAY
WATERS BECOMING SMOOTH TO A LIGHT CHOP.
MONDAY
NORTHEAST TO EAST WINDS INCREASING TO NEAR 10 KNOTS.
BAY WATERS BECOMING A LIGHT CHOP.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP. ISOLATED SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS DECREASING TO NEAR 10 KNOTS.
BAY WATERS BECOMING A LIGHT CHOP. ISOLATED SHOWERS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP. ISOLATED SHOWERS.
GMZ032-035-220930-
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-
427 PM EST FRI NOV 21 2025
TONIGHT
NORTHEAST TO EAST WINDS NEAR 10 KNOTS, INCREASING TO
10 TO 15 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP,
BECOMING A LIGHT TO MODERATE CHOP.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS, DECREASING TO
5 TO 10 KNOTS. SEAS 1 TO 2 FEET, SUBSIDING TO 1 FOOT OR LESS.
NEARSHORE WATERS A LIGHT CHOP, BECOMING SMOOTH TO A LIGHT CHOP.
SATURDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS,
INCREASING TO NEAR 10 KNOTS LATE. SEAS 1 FOOT OR LESS, BUILDING TO
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING
A LIGHT CHOP.
SUNDAY
NORTH TO NORTHEAST WINDS DECREASING TO 5 TO 10 KNOTS.
SEAS SUBSIDING TO 1 FOOT OR LESS. NEARSHORE WATERS BECOMING
SMOOTH TO A LIGHT CHOP.
SUNDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
MONDAY
NORTHEAST TO EAST WINDS INCREASING TO NEAR 10 KNOTS.
SEAS BUILDING TO AROUND 1 FOOT. NEARSHORE WATERS BECOMING A LIGHT
CHOP.
MONDAY NIGHT
EAST WINDS 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 TO MODERATE CHOP.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET, EXCEPT TO
2 TO 3 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS A LIGHT
TO MODERATE CHOP. ISOLATED SHOWERS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET,
EXCEPT TO 2 TO 3 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS
A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS DECREASING TO NEAR 10 KNOTS.
SEAS 1 TO 2 FEET, SUBSIDING TO AROUND 1 FOOT. WEST OF THE
MARQUESAS, SEAS 2 TO 3 FEET, SUBSIDING TO 1 TO 2 FEET. NEARSHORE
WATERS BECOMING A LIGHT CHOP. ISOLATED SHOWERS.
WEDNESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.
GMZ042>044-220930-
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-
427 PM EST FRI NOV 21 2025
TONIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET, SUBSIDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP.
SATURDAY NIGHT
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT CHOP.
SUNDAY
NORTH TO NORTHEAST WINDS DECREASING TO 5 TO 10 KNOTS.
SEAS AROUND 1 FOOT. NEARSHORE WATERS BECOMING SMOOTH TO A LIGHT
CHOP.
SUNDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
MONDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS, INCREASING TO 10
TO 15 KNOTS. SEAS BUILDING TO 1 TO 2 FEET. NEARSHORE WATERS A
LIGHT CHOP, BECOMING A LIGHT TO MODERATE CHOP.
MONDAY NIGHT
EAST WINDS NEAR 15 KNOTS. SEAS BUILDING TO 2 TO 3
FEET. NEARSHORE WATERS A MODERATE CHOP.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. NEARSHORE
WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED
SHOWERS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS
AROUND 2 FEET. NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.
GMZ052>055-072>075-220930-
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-
427 PM EST FRI NOV 21 2025
TONIGHT
NORTHEAST TO EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4
FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST TO EAST 4
FEET AT 5 SECONDS.
SATURDAY
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS, DECREASING TO
NEAR 10 KNOTS. SEAS 2 TO 3 FEET. WAVE DETAIL: NORTHEAST TO EAST 3
FEET AT 5 SECONDS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS
SUBSIDING TO 1 TO 2 FEET. WAVE DETAIL: NORTHEAST TO EAST 2 FEET
AT 5 SECONDS.
SUNDAY
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
SUNDAY NIGHT
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
MONDAY
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS BUILDING
TO 2 TO 3 FEET.
MONDAY NIGHT
EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. ISOLATED SHOWERS.
TUESDAY
EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS BUILDING
TO 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. ISOLATED SHOWERS.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3
TO 5 FEET, OCCASIONALLY TO 6 FEET. ISOLATED SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS NEAR 15 KNOTS, DECREASING TO
10 TO 15 KNOTS. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET.
ISOLATED SHOWERS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2
TO 3 FEET. ISOLATED SHOWERS.
GMZ033-034-220930-
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-
427 PM EST FRI NOV 21 2025
TONIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. WAVE DETAIL: EAST 2 FEET AT 3 SECONDS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS, DECREASING TO
5 TO 10 KNOTS. SEAS 1 TO 2 FEET. WAVE DETAIL: EAST 2 FEET AT 3
SECONDS.
SATURDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS,
INCREASING TO NEAR 10 KNOTS. SEAS AROUND 1 FOOT. WAVE DETAIL:
NORTHEAST TO EAST 1 FOOT AT 3 SECONDS.
SUNDAY
NORTH TO NORTHEAST WINDS DECREASING TO 5 TO 10 KNOTS.
SEAS AROUND 1 FOOT.
SUNDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, INCREASING
TO NEAR 10 KNOTS. SEAS AROUND 1 FOOT.
MONDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS BUILDING TO
1 TO 2 FEET.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS BUILDING TO 2 TO
3 FEET. ISOLATED SHOWERS.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. ISOLATED
SHOWERS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
ISOLATED SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, DECREASING TO
NEAR 10 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING TO 1 TO 2 FEET.
ISOLATED SHOWERS.
WEDNESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
ISOLATED SHOWERS.
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