482
FZUS52 KKEY 112121
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
421 PM EST TUE NOV 11 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.
GMZ005-120930-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
421 PM EST TUE NOV 11 2025
SYNOPSIS
FRESH TO STRONG BREEZES WILL SHIFT FURTHER NORTHEAST
AND GRADUALLY SLACKEN THROUGH THE WEEK AS AN AREA OF HIGH
PRESSURE BUILDS IN ACROSS THE SOUTHEASTERN UNITED STATES.
MODERATE TO OCCASIONALLY FRESH BREEZES WILL REMAIN POSSIBLE
THROUGH THE END OF THE WORK WEEK. THEN BREEZES SHOULD SLACKEN TO
GENTLE TO MODERATE AS THE HIGH PRESSURE FLATTENS AND WEAKENS.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF NOVEMBER
4...
42 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
42 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
30 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
29 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
27 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
14 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
4 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.
GMZ031-120930-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
421 PM EST TUE NOV 11 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTH TO NORTHEAST WINDS NEAR 20 KNOTS, DECREASING TO 15
TO 20 KNOTS. BAY WATERS ROUGH, BECOMING CHOPPY.
WEDNESDAY
NORTHEAST WINDS NEAR 15 KNOTS. BAY WATERS A MODERATE
CHOP.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 15 KNOTS. BAY
WATERS A MODERATE CHOP.
THURSDAY
NORTHEAST WINDS NEAR 15 KNOTS. BAY WATERS A MODERATE
CHOP.
THURSDAY NIGHT
NORTHEAST WINDS NEAR 15 KNOTS. BAY WATERS A
MODERATE CHOP.
FRIDAY
NORTHEAST WINDS NEAR 15 KNOTS. BAY WATERS A MODERATE
CHOP.
FRIDAY NIGHT
NORTHEAST WINDS DECREASING TO 10 TO 15 KNOTS. BAY
WATERS BECOMING A LIGHT TO MODERATE CHOP.
SATURDAY
NORTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP.
SUNDAY
EAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT CHOP.
ISOLATED SHOWERS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS
A LIGHT CHOP. ISOLATED SHOWERS.
GMZ032-035-120930-
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 PM EST TUE NOV 11 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTHEAST WINDS NEAR 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET, EXCEPT 5 TO 7 FEET, OCCASIONALLY TO
9 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS ROUGH.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO NEAR 15
KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5
FEET, OCCASIONALLY TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS CHOPPY, BECOMING A MODERATE CHOP.
WEDNESDAY NIGHT
NORTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO
3 FEET. NEARSHORE WATERS A MODERATE CHOP.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET,
EXCEPT 3 TO 4 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS
CHOPPY.
THURSDAY NIGHT
NORTHEAST WINDS NEAR 15 KNOTS, INCREASING TO 15
TO 20 KNOTS. SEAS 2 TO 3 FEET, EXCEPT 3 TO 4 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS A MODERATE CHOP, BECOMING CHOPPY.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO NEAR 15
KNOTS. SEAS 2 TO 3 FEET, SUBSIDING TO 1 TO 2 FEET. WEST OF THE
MARQUESAS KEYS, SEAS 3 TO 4 FEET, SUBSIDING TO 2 TO 3 FEET.
NEARSHORE WATERS CHOPPY, BECOMING A MODERATE CHOP.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS DECREASING TO 10 TO 15
KNOTS. SEAS 1 TO 3 FEET. NEARSHORE WATERS BECOMING A LIGHT TO
MODERATE CHOP.
SATURDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS SUBSIDING TO 1
TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS
1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
SUNDAY
EAST WINDS NEAR 10 KNOTS. SEAS SUBSIDING TO AROUND 1
FOOT. NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.
GMZ042>044-120930-
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 PM EST TUE NOV 11 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTHEAST WINDS NEAR 20 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WEST OF COSGROVE SHOAL LIGHT, SEAS 5 TO 7
FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET. NEARSHORE WATERS ROUGH.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY TO
6 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS CHOPPY.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS CHOPPY.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET,
EXCEPT 3 TO 4 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS
CHOPPY.
THURSDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO
3 FEET, EXCEPT 3 TO 4 FEET WEST OF COSGROVE SHOAL LIGHT.
NEARSHORE WATERS CHOPPY.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO NEAR 15
KNOTS. SEAS 2 TO 3 FEET, EXCEPT 3 TO 4 FEET WEST OF COSGROVE
SHOAL LIGHT. NEARSHORE WATERS CHOPPY, BECOMING A MODERATE CHOP.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS DECREASING TO 10 TO 15
KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS BECOMING A LIGHT TO
MODERATE CHOP.
SATURDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
SATURDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
SUNDAY
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE
WATERS A LIGHT CHOP. ISOLATED SHOWERS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.
GMZ052>055-072>075-120930-
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 PM EST TUE NOV 11 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTHEAST 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. WAVE DETAIL: NORTHEAST 9 FEET
AT 8 SECONDS AND WEST TO NORTHWEST 5 FEET AT 9 SECONDS. ISOLATED
SHOWERS.
WEDNESDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS, DECREASING TO
15 TO 20 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE
DETAIL: NORTHEAST 6 FEET AT 7 SECONDS AND WEST TO NORTHWEST 3
FEET AT 9 SECONDS.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS
4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL: NORTHEAST TO
EAST 5 FEET AT 6 SECONDS AND WEST TO NORTHWEST 2 FEET AT
7 SECONDS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
THURSDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET. ISOLATED SHOWERS.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 6 FEET,
OCCASIONALLY TO 7 FEET.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS, DECREASING
TO NEAR 15 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET.
SATURDAY
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET.
SATURDAY NIGHT
EAST WINDS NEAR 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET.
SUNDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. ISOLATED
SHOWERS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. ISOLATED SHOWERS.
GMZ033-034-120930-
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 PM EST TUE NOV 11 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTHEAST WINDS NEAR 20 KNOTS. SEAS 5 TO 8 FEET,
OCCASIONALLY TO 10 FEET, SUBSIDING TO 4 TO 6 FEET, OCCASIONALLY
TO 8 FEET AFTER MIDNIGHT. WAVE DETAIL: NORTHWEST 6 FEET AT
9 SECONDS AND NORTHEAST 4 FEET AT 5 SECONDS, BECOMING NORTHEAST
4 FEET AT 5 SECONDS AND NORTHWEST 4 FEET AT 8 SECONDS.
WEDNESDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO NEAR 15
KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
NORTH 4 FEET AT 6 SECONDS.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 15 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTH 3 FEET AT
6 SECONDS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET.
THURSDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET.
FRIDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO 10 TO 15
KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET.
SATURDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS SUBSIDING TO 1
TO 2 FEET.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS
1 TO 2 FEET.
SUNDAY AND SUNDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET. ISOLATED SHOWERS.
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