447
FZUS52 KKEY 280329
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1029 PM EST TUE JAN 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.
GMZ005-281530-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1029 PM EST TUE JAN 27 2026
SYNOPSIS
WINDS HAVE SLIGHTLY SLACKENED THIS AFTERNOON, AS HIGH
PRESSURE BUILT SOUTHEASTWARD THROUGH THE SOUTHEAST AND ACROSS THE
FLORIDA PENINSULA. HOWEVER, SUSTAINED FRESH TO STRONG BREEZES AND
ELEVATED SEAS WILL LAST THROUGH THE EVENING. ADDITIONAL WIND
SURGES ARE BECOMING INCREASINGLY LIKELY INTO WEDNESDAY NIGHT, AS
A REINFORCING COLD FRONT ROLLS SOUTHWARD ACROSS THE AREA. ANOTHER
POTENT WIND SURGE APPEARS LIKELY SATURDAY AND SATURDAY NIGHT.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF JANUARY
18...
18 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
16 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
15 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
13 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
13 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
12 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
7 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
4 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.
GMZ031-281530-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1029 PM EST TUE JAN 27 2026
..SMALL CRAFT SHOULD EXERCISE CAUTION
OVERNIGHT
NORTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.
WEDNESDAY
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO
10 TO 15 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY, BECOMING LIGHT
TO MODERATE CHOP. ISOLATED SHOWERS.
WEDNESDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 15 KNOTS,
INCREASING TO NEAR 20 KNOTS. BAY WATERS A MODERATE CHOP, BECOMING
ROUGH.
THURSDAY
NORTH WINDS 15 TO 20 KNOTS, BECOMING NORTH TO NORTHEAST
10 TO 15 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY, BECOMING LIGHT
TO MODERATE CHOP.
THURSDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO NEAR
15 KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP, BECOMING A MODERATE
CHOP. ISOLATED SHOWERS.
FRIDAY
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
FRIDAY NIGHT
NORTHWEST WINDS NEAR 15 KNOTS. BAY WATERS A MODERATE
CHOP. ISOLATED SHOWERS.
SATURDAY
WEST TO NORTHWEST WINDS NEAR 15 KNOTS, INCREASING TO
NEAR 20 KNOTS. BAY WATERS A MODERATE CHOP, BECOMING ROUGH. ISOLATED
SHOWERS.
SATURDAY NIGHT
NORTHWEST WINDS NEAR 25 KNOTS. BAY WATERS
EXTREMELY ROUGH. ISOLATED SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS, DECREASING TO 15
TO 20 KNOTS. BAY WATERS VERY ROUGH, BECOMING CHOPPY.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY.
GMZ032-035-281530-
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-
1029 PM EST TUE JAN 27 2026
..SMALL CRAFT ADVISORY IN EFFECT
OVERNIGHT
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS, DECREASING
TO 15 TO 20 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET,
EXCEPT 4 TO 6 FEET, OCCASIONALLY TO 8 FEET WEST OF THE MARQUESAS
KEYS. NEARSHORE WATERS ROUGH, BECOMING CHOPPY.
WEDNESDAY
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS, BRIEFLY
BECOMING NORTH NEAR 15 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. NEARSHORE WATERS CHOPPY, BRIEFLY BECOMING A
MODERATE CHOP.
WEDNESDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS, INCREASING TO NEAR 20
KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT AROUND 4
FEET, OCCASIONALLY TO 5 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS CHOPPY, BECOMING ROUGH.
THURSDAY
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO
10 TO 15 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET, OCCASIONALLY TO
5 FEET. NEARSHORE WATERS CHOPPY, BECOMING LIGHT TO MODERATE CHOP.
THURSDAY NIGHT
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS,
INCREASING TO NEAR 15 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A
LIGHT TO MODERATE CHOP, BECOMING A MODERATE CHOP. ISOLATED SHOWERS.
FRIDAY
NORTH WINDS NEAR 15 KNOTS, BECOMING NORTHWEST TO NORTH 10
TO 15 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A MODERATE CHOP,
BECOMING A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
FRIDAY NIGHT
NORTHWEST WINDS NEAR 15 KNOTS. SEAS 1 TO 2 FEET,
EXCEPT BUILDING TO 2 TO 3 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS A MODERATE CHOP. ISOLATED SHOWERS.
SATURDAY
WEST TO NORTHWEST WINDS 15 TO 20 KNOTS, BECOMING
NORTHWEST 20 TO 25 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET.
NEARSHORE WATERS CHOPPY, BECOMING VERY ROUGH. ISOLATED SHOWERS.
SATURDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 25 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET, EXCEPT 6 TO 7 FEET, OCCASIONALLY TO
9 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS EXTREMELY ROUGH.
ISOLATED SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS, DECREASING TO 15
TO 20 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET, EXCEPT 7 TO 9
FEET, OCCASIONALLY TO 11 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS VERY ROUGH, BECOMING CHOPPY.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6
FEET, OCCASIONALLY TO 8 FEET, EXCEPT 6 TO 8 FEET, OCCASIONALLY TO 10
FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS CHOPPY.
GMZ042>044-281530-
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-
1029 PM EST TUE JAN 27 2026
..SMALL CRAFT ADVISORY IN EFFECT
OVERNIGHT
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS, DECREASING
TO 15 TO 20 KNOTS. SEAS 2 TO 3 FEET, EXCEPT 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE
WATERS ROUGH, BECOMING CHOPPY.
WEDNESDAY
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS, BRIEFLY
LULLING TO NEAR 15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET, EXCEPT
3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF COSGROVE SHOAL LIGHT.
NEARSHORE WATERS CHOPPY, BRIEFLY BECOMING A MODERATE CHOP.
ISOLATED SHOWERS.
WEDNESDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS, INCREASING TO NEAR 20
KNOTS. SEAS 1 TO 2 FEET, EXCEPT 3 TO 4 FEET, OCCASIONALLY TO 5 FEET
WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS CHOPPY, BECOMING
ROUGH.
THURSDAY
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO
10 TO 15 KNOTS IN THE AFTERNOON. SEAS 1 TO 2 FEET, EXCEPT 3 TO 4
FEET, OCCASIONALLY TO 5 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE
WATERS CHOPPY, BECOMING A LIGHT TO MODERATE CHOP.
THURSDAY NIGHT
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS,
INCREASING TO NEAR 15 KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS A
LIGHT TO MODERATE CHOP, BECOMING A MODERATE CHOP. ISOLATED SHOWERS.
FRIDAY
NORTH TO NORTHEAST WINDS NEAR 15 KNOTS, BECOMING NORTH 10
TO 15 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A MODERATE CHOP,
BECOMING A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
FRIDAY NIGHT
NORTHWEST WINDS NEAR 15 KNOTS. SEAS 1 TO 2 FEET,
EXCEPT BUILDING TO 2 TO 3 FEET WEST OF COSGROVE SHOAL LIGHT.
NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.
SATURDAY
WEST TO NORTHWEST WINDS 15 TO 20 KNOTS, BECOMING
NORTHWEST 20 TO 25 KNOTS. SEAS 2 TO 3 FEET. WEST OF COSGROVE SHOAL
LIGHT, SEAS 2 TO 3 FEET, BUILDING TO 4 TO 5 FEET, OCCASIONALLY TO 6
FEET. NEARSHORE WATERS CHOPPY, BECOMING VERY ROUGH. ISOLATED
SHOWERS.
SATURDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 25 KNOTS. SEAS 2 TO
3 FEET, EXCEPT 5 TO 7 FEET, OCCASIONALLY TO 9 FEET WEST OF COSGROVE
SHOAL LIGHT. NEARSHORE WATERS EXTREMELY ROUGH. ISOLATED SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS, DECREASING TO 15
TO 20 KNOTS. SEAS 2 TO 3 FEET, BUILDING TO 3 TO 5 FEET, OCCASIONALLY
TO 6 FEET IN THE AFTERNOON. WEST OF COSGROVE SHOAL LIGHT, SEAS 6 TO
8 FEET, OCCASIONALLY TO 10 FEET. NEARSHORE WATERS VERY ROUGH,
BECOMING CHOPPY.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 5
FEET, OCCASIONALLY TO 6 FEET, EXCEPT 5 TO 7 FEET, OCCASIONALLY TO 9
FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS CHOPPY.
GMZ052>055-072>075-281530-
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-
1029 PM EST TUE JAN 27 2026
..SMALL CRAFT ADVISORY IN EFFECT
OVERNIGHT
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS, DECREASING
TO 15 TO 20 KNOTS. SEAS 5 TO 8 FEET, OCCASIONALLY TO 9 FEET. WAVE
DETAIL: NORTHEAST 5 FEET AT 7 SECONDS AND WEST TO NORTHWEST 5 FEET
AT 9 SECONDS.
WEDNESDAY
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS, BRIEFLY
LULLING TO NEAR 15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST TO EAST 4 FEET AT 7
SECONDS AND WEST TO NORTHWEST 4 FEET AT 8 SECONDS. ISOLATED SHOWERS.
WEDNESDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS, INCREASING TO NEAR 20
KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. ISOLATED SHOWERS.
THURSDAY
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO
NEAR 15 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET, SUBSIDING
TO 2 TO 4 FEET. ISOLATED SHOWERS.
THURSDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO NEAR
15 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. ISOLATED SHOWERS.
FRIDAY
NORTH TO NORTHEAST WINDS NEAR 15 KNOTS, BECOMING NORTH 10
TO 15 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET, SUBSIDING TO
2 TO 3 FEET. ISOLATED SHOWERS.
FRIDAY NIGHT
NORTHWEST WINDS NEAR 15 KNOTS. SEAS BUILDING TO 2 TO
4 FEET. SCATTERED SHOWERS.
SATURDAY
WEST TO NORTHWEST WINDS NEAR 15 KNOTS, BECOMING
NORTHWEST 20 TO 25 KNOTS. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET,
BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. SCATTERED SHOWERS.
SATURDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 25 KNOTS. SEAS 5 TO
8 FEET, OCCASIONALLY TO 10 FEET. ISOLATED SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS, DECREASING TO
NEAR 20 KNOTS. SEAS 6 TO 10 FEET, OCCASIONALLY TO 11 FEET.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 8
FEET, OCCASIONALLY TO 10 FEET, SUBSIDING TO 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET AFTER MIDNIGHT.
GMZ033-034-281530-
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-
1029 PM EST TUE JAN 27 2026
..SMALL CRAFT ADVISORY IN EFFECT
OVERNIGHT
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS, DECREASING
TO 15 TO 20 KNOTS. SEAS 5 TO 8 FEET, OCCASIONALLY TO 10 FEET. WAVE
DETAIL: NORTHWEST TO NORTH 6 FEET AT 8 SECONDS AND NORTH TO
NORTHEAST 3 FEET AT 4 SECONDS.
WEDNESDAY
NORTH WINDS 15 TO 20 KNOTS, BRIEFLY LULLING TO NEAR 15
KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET.
WAVE DETAIL: NORTHWEST TO NORTH 4 FEET AT 6 SECONDS.
WEDNESDAY NIGHT
NORTH WINDS 15 TO 20 KNOTS, INCREASING TO NEAR 20
KNOTS. SEAS AROUND 4 FEET, OCCASIONALLY TO 5 FEET.
THURSDAY
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS,DECREASING TO 10
TO 15 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5
FEET, SUBSIDING TO 2 TO 3 FEET.
THURSDAY NIGHT
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS,
INCREASING TO NEAR 15 KNOTS. SEAS 2 TO 3 FEET. ISOLATED SHOWERS.
FRIDAY
NORTH WINDS NEAR 15 KNOTS, DECREASING TO 10 TO 15 KNOTS.
SEAS 2 TO 3 FEET, SUBSIDING TO AROUND 2 FEET.
FRIDAY NIGHT
NORTHWEST WINDS NEAR 15 KNOTS. SEAS 2 TO 3 FEET.
SCATTERED SHOWERS.
SATURDAY
NORTHWEST WINDS 15 TO 20 KNOTS, BECOMING NORTHWEST TO
NORTH 20 TO 25 KNOTS. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET,
BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. SCATTERED SHOWERS.
SATURDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 25 KNOTS. SEAS 6 TO
7 FEET, OCCASIONALLY TO 9 FEET, BUILDING TO 7 TO 9 FEET,
OCCASIONALLY TO 11 FEET. ISOLATED SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS, BECOMING 15 TO 20
KNOTS IN THE AFTERNOON. SEAS 7 TO 10 FEET, OCCASIONALLY TO 13 FEET.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 8
FEET, OCCASIONALLY TO 10 FEET.
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