099
FZUS52 KKEY 291026 AAA
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS...UPDATED
NATIONAL WEATHER SERVICE KEY WEST FL
526 AM EST THU JAN 29 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.
GMZ005-292230-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
526 AM EST THU JAN 29 2026
SYNOPSIS
GENTLE TO MODERATE, OCCASIONALLY FRESH, NORTHERLY
BREEZES WILL CONTINUE THROUGH FRIDAY. A STRONG COLD FRONT WILL
BLAST THROUGH THE FLORIDA KEYS MARINE ZONES ON SATURDAY. BREEZES
WILL BACK TO THE NORTHWEST AND DRAMATICALLY FRESHEN IN THE WAKE OF
THE FRONT. CONFIDENCE CONTINUES TO INCREASE FOR A PERIOD OF GALE-
FORCE WINDS SATURDAY NIGHT INTO EARLY SUNDAY, AS HIGH PRESSURE
BUILDING ACROSS THE GULF COAST INTERACTS WITH THE FRONT. WHILE
BREEZES WILL SLOWLY SLACKEN SUNDAY THROUGH MONDAY, MARINE HAZARDS
WILL CONTINUE.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF JANUARY
28...
30 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
14 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
12 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
15 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
16 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
11 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
7 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
5 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.
UPDATED TO ACCOUNT FOR A SMALL CRAFT ADVISORY FOR ALL KEYS MARINE
ZONES.
GMZ031-292230-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
526 AM EST THU JAN 29 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS, BECOMING
NORTHEAST AND DECREASING TO NEAR 15 KNOTS. BAY WATERS ROUGH,
BECOMING A MODERATE CHOP. ISOLATED SHOWERS.
TONIGHT
NORTHEAST WINDS NEAR 15 KNOTS, DECREASING TO 10 TO 15
KNOTS. BAY WATERS A MODERATE CHOP, BECOMING A LIGHT TO MODERATE
CHOP. SCATTERED SHOWERS.
FRIDAY
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING NORTHWEST TO
NORTH AND INCREASING TO NEAR 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP, BECOMING A MODERATE CHOP. SCATTERED SHOWERS.
FRIDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 15 KNOTS, DECREASING
TO 10 TO 15 KNOTS. BAY WATERS A MODERATE CHOP, BECOMING A LIGHT
TO MODERATE CHOP. ISOLATED SHOWERS.
SATURDAY
WEST TO NORTHWEST WINDS 10 TO 15 KNOTS, BECOMING WEST
TO NORTHWEST AND INCREASING TO 25 TO 30 KNOTS. BAY WATERS A LIGHT
TO MODERATE CHOP, BECOMING EXTREMELY ROUGH. SCATTERED SHOWERS.
SATURDAY NIGHT
NORTHWEST WINDS NEAR 30 KNOTS, DECREASING TO 25
TO 30 KNOTS. BAY WATERS EXTREMELY ROUGH. ISOLATED SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS NEAR 25 KNOTS, DECREASING TO 20
TO 25 KNOTS. BAY WATERS EXTREMELY ROUGH, BECOMING VERY ROUGH.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS,
DECREASING TO NEAR 20 KNOTS. BAY WATERS VERY ROUGH, BECOMING
ROUGH.
MONDAY
NORTHWEST TO NORTH WINDS NEAR 20 KNOTS, DECREASING TO
NEAR 15 KNOTS. BAY WATERS ROUGH, BECOMING A MODERATE CHOP.
MONDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 15 KNOTS. BAY
WATERS A MODERATE CHOP.
GMZ032-035-292230-
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-
526 AM EST THU JAN 29 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS, DECREASING TO
NEAR 15 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING TO AROUND 2 FEET. WEST
OF THE MARQUESAS KEYS, SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET,
SUBSIDING TO 2 TO 3 FEET. NEARSHORE WATERS ROUGH, BECOMING A
MODERATE CHOP. ISOLATED SHOWERS.
TONIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS SUBSIDING TO 1 TO
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. SCATTERED
SHOWERS.
FRIDAY
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING
NORTHWEST TO NORTH AND INCREASING TO NEAR 15 KNOTS. SEAS 1 TO 2
FEET, BUILDING TO AROUND 2 FEET. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP, BECOMING A MODERATE CHOP. SCATTERED SHOWERS.
FRIDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 15 KNOTS, BECOMING
WEST TO NORTHWEST AND DECREASING TO 10 TO 15 KNOTS. SEAS AROUND 2
FEET, SUBSIDING TO 1 TO 2 FEET. NEARSHORE WATERS A MODERATE CHOP,
BECOMING A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
SATURDAY
WEST TO NORTHWEST WINDS NEAR 15 KNOTS, BECOMING
NORTHWEST AND INCREASING TO NEAR 30 KNOTS. SEAS AROUND 2 FEET,
BUILDING TO 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WEST OF THE
MARQUESAS KEYS, SEAS 2 TO 3 FEET, BUILDING TO 5 TO 8 FEET,
OCCASIONALLY TO 10 FEET. NEARSHORE WATERS A MODERATE CHOP,
BECOMING EXTREMELY ROUGH. SCATTERED SHOWERS.
SATURDAY NIGHT
NORTHWEST WINDS 30 TO 35 KNOTS, DECREASING TO
NEAR 30 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, EXCEPT 8
TO 12 FEET, OCCASIONALLY TO 15 FEET WEST OF THE MARQUESAS KEYS.
NEARSHORE WATERS EXTREMELY ROUGH. ISOLATED SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS 25 TO 30 KNOTS, DECREASING TO
NEAR 25 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET, EXCEPT 8
TO 12 FEET, OCCASIONALLY TO 15 FEET WEST OF THE MARQUESAS KEYS.
NEARSHORE WATERS EXTREMELY ROUGH.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS, BECOMING
NORTH AND DECREASING TO NEAR 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET, SUBSIDING TO 3 TO 5 FEET, OCCASIONALLY TO
6 FEET. WEST OF THE MARQUESAS KEYS, SEAS 7 TO 10 FEET,
OCCASIONALLY TO 12 FEET, SUBSIDING TO 5 TO 7 FEET, OCCASIONALLY
TO 9 FEET. NEARSHORE WATERS VERY ROUGH, BECOMING ROUGH.
MONDAY
NORTH WINDS 15 TO 20 KNOTS, DECREASING TO NEAR 15 KNOTS.
SEAS SUBSIDING TO 2 TO 4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT
SUBSIDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS CHOPPY, BECOMING A MODERATE CHOP.
MONDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO
3 FEET, EXCEPT 3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS A MODERATE CHOP.
GMZ042>044-292230-
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-
526 AM EST THU JAN 29 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTH WINDS NEAR 20 KNOTS, BECOMING NORTH TO NORTHEAST
AND DECREASING TO NEAR 15 KNOTS. SEAS 2 TO 3 FEET, EXCEPT 3 TO 4
FEET, OCCASIONALLY TO 5 FEET WEST OF COSGROVE SHOAL LIGHT.
NEARSHORE WATERS ROUGH, BECOMING A MODERATE CHOP. ISOLATED
SHOWERS.
TONIGHT
NORTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A MODERATE CHOP. SCATTERED SHOWERS.
FRIDAY
NORTHEAST WINDS NEAR 15 KNOTS, BECOMING NORTHWEST TO
NORTH. SEAS 2 TO 3 FEET. NEARSHORE WATERS A MODERATE CHOP.
SCATTERED SHOWERS.
FRIDAY NIGHT
NORTHWEST WINDS NEAR 15 KNOTS, BECOMING WEST TO
NORTHWEST AND DECREASING TO 10 TO 15 KNOTS. SEAS 2 TO 3 FEET,
SUBSIDING TO AROUND 2 FEET. NEARSHORE WATERS A MODERATE CHOP,
BECOMING A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
SATURDAY
WEST TO NORTHWEST WINDS NEAR 15 KNOTS, BECOMING
NORTHWEST AND INCREASING TO NEAR 30 KNOTS. SEAS 2 TO 3 FEET,
BUILDING TO 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WEST OF COSGROVE
SHOAL LIGHT, SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET, BUILDING
TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. NEARSHORE WATERS A
MODERATE CHOP, BECOMING EXTREMELY ROUGH. SCATTERED SHOWERS.
SATURDAY NIGHT
NORTHWEST WINDS 30 TO 35 KNOTS, DECREASING TO
NEAR 30 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET, EXCEPT 7
TO 11 FEET, OCCASIONALLY TO 14 FEET WEST OF COSGROVE SHOAL LIGHT.
NEARSHORE WATERS EXTREMELY ROUGH. ISOLATED SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS 25 TO 30 KNOTS, DECREASING TO
20 TO 25 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WEST OF
COSGROVE SHOAL LIGHT, SEAS 8 TO 11 FEET, OCCASIONALLY TO 14 FEET,
SUBSIDING TO 7 TO 9 FEET, OCCASIONALLY TO 11 FEET. NEARSHORE
WATERS EXTREMELY ROUGH, BECOMING VERY ROUGH.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS, BECOMING
NORTH AND DECREASING TO NEAR 20 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WEST OF COSGROVE SHOAL LIGHT, SEAS 7 TO 9
FEET, OCCASIONALLY TO 11 FEET, SUBSIDING TO 6 TO 7 FEET,
OCCASIONALLY TO 9 FEET. NEARSHORE WATERS VERY ROUGH, BECOMING
ROUGH.
MONDAY
NORTH WINDS NEAR 20 KNOTS, DECREASING TO NEAR 15 KNOTS.
SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE
WATERS ROUGH, BECOMING A MODERATE CHOP.
MONDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 15 KNOTS. SEAS
2 TO 3 FEET, EXCEPT 3 TO 5 FEET, OCCASIONALLY TO 6 FEET WEST OF
COSGROVE SHOAL LIGHT. NEARSHORE WATERS A MODERATE CHOP.
GMZ052>055-072>075-292230-
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-
526 AM EST THU JAN 29 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS, DECREASING TO 15
TO 20 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE
DETAIL: NORTH 5 FEET AT 6 SECONDS. ISOLATED SHOWERS.
TONIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST TO EAST 5 FEET AT 6
SECONDS AND NORTHWEST 2 FEET AT 5 SECONDS. SCATTERED SHOWERS.
FRIDAY
NORTHEAST WINDS NEAR 15 KNOTS, BECOMING NORTHWEST TO
NORTH AND INCREASING TO 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST TO EAST 4 FEET AT
6 SECONDS. SCATTERED SHOWERS.
FRIDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 15 KNOTS, BECOMING
WEST TO NORTHWEST AND DECREASING TO 10 TO 15 KNOTS. SEAS 3 TO 5
FEET, OCCASIONALLY TO 6 FEET, SUBSIDING TO 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. ISOLATED SHOWERS.
SATURDAY
WEST TO NORTHWEST WINDS 15 TO 20 KNOTS, BECOMING
NORTHWEST AND INCREASING TO NEAR 30 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET, BUILDING TO 5 TO 8 FEET, OCCASIONALLY TO
10 FEET. NUMEROUS SHOWERS.
SATURDAY NIGHT
NORTHWEST WINDS 30 TO 35 KNOTS, DECREASING TO
NEAR 30 KNOTS. SEAS 8 TO 11 FEET, OCCASIONALLY TO 14 FEET,
BUILDING TO 9 TO 13 FEET, OCCASIONALLY TO 17 FEET. ISOLATED
SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS 25 TO 30 KNOTS, DECREASING TO
NEAR 25 KNOTS. SEAS 9 TO 12 FEET, OCCASIONALLY TO 15 FEET,
SUBSIDING TO 7 TO 10 FEET, OCCASIONALLY TO 13 FEET. ISOLATED
SHOWERS.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS,
DECREASING TO NEAR 20 KNOTS. SEAS 7 TO 10 FEET, OCCASIONALLY TO
13 FEET, SUBSIDING TO 5 TO 8 FEET, OCCASIONALLY TO 10 FEET.
MONDAY
NORTHWEST TO NORTH WINDS NEAR 20 KNOTS, BECOMING NORTH
TO NORTHEAST AND DECREASING TO 15 TO 20 KNOTS. SEAS 5 TO 8 FEET,
OCCASIONALLY TO 10 FEET, SUBSIDING TO 4 TO 7 FEET, OCCASIONALLY TO
9 FEET.
MONDAY NIGHT
NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS,
DECREASING TO NEAR 15 KNOTS. SEAS 4 TO 7 FEET, OCCASIONALLY TO 9
FEET, SUBSIDING TO FEET 3 TO 6 FEET, OCCASIONALLY TO 8 FEET.
GMZ033-034-292230-
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-
526 AM EST THU JAN 29 2026
..SMALL CRAFT ADVISORY IN EFFECT
TODAY
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS, DECREASING TO 10
TO 15 KNOTS. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET, SUBSIDING
TO AROUND 3 FEET. WAVE DETAIL: NORTH 3 FEET AT 5 SECONDS.
TONIGHT
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO
3 FEET, SUBSIDING TO AROUND 2 FEET. WAVE DETAIL: NORTH 2 FEET AT
5 SECONDS. ISOLATED SHOWERS.
FRIDAY
NORTH WINDS 10 TO 15 KNOTS, BECOMING NORTHWEST TO NORTH.
SEAS AROUND 2 FEET. WAVE DETAIL: NORTH 2 FEET AT 4 SECONDS.
ISOLATED SHOWERS.
FRIDAY NIGHT
NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS, BECOMING
WEST TO NORTHWEST. SEAS AROUND 2 FEET. ISOLATED SHOWERS.
SATURDAY
WEST TO NORTHWEST WINDS 15 TO 20 KNOTS, BECOMING
NORTHWEST AND INCREASING TO NEAR 30 KNOTS. SEAS 2 TO 3 FEET,
BUILDING TO 6 TO 10 FEET, OCCASIONALLY TO 12 FEET. NUMEROUS
SHOWERS.
SATURDAY NIGHT
NORTHWEST WINDS 30 TO 35 KNOTS, DECREASING TO
NEAR 30 KNOTS. SEAS 8 TO 12 FEET, OCCASIONALLY TO 15 FEET,
BUILDING TO 9 TO 13 FEET, OCCASIONALLY TO 17 FEET. ISOLATED
SHOWERS.
SUNDAY
NORTHWEST TO NORTH WINDS NEAR 30 KNOTS, DECREASING TO
NEAR 25 KNOTS. SEAS 9 TO 13 FEET, OCCASIONALLY TO 17 FEET,
SUBSIDING TO 8 TO 11 FEET, OCCASIONALLY TO 14 FEET. ISOLATED
SHOWERS.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS 20 TO 25 KNOTS,
BECOMING NORTH AND DECREASING TO 15 TO 20 KNOTS. SEAS 7 TO 10
FEET, OCCASIONALLY TO 12 FEET, SUBSIDING TO 5 TO 7 FEET,
TO 9 FEET.
MONDAY
NORTH WINDS 15 TO 20 KNOTS, BECOMING NORTH TO NORTHEAST
AND DECREASING TO NEAR 15 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY
TO 9 FEET, SUBSIDING TO 4 TO 5 FEET, OCCASIONALLY TO 6 FEET.
MONDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET.
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