705
FZUS52 KKEY 232129
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
429 PM EST TUE DEC 23 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.
GMZ005-240930-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
429 PM EST TUE DEC 23 2025
SYNOPSIS
A SPRAWLING HIGH PRESSURE SYSTEM CENTERED OVER THE
WESTERN NORTH ATLANTIC WILL SUPPORT FRESH TO STRONG NORTHEAST TO
EAST BREEZES ACROSS FLORIDA KEYS COASTAL WATERS TONIGHT.
THEREAFTER, HIGH PRESSURE AREAS NORTH OF THE FLORIDA KEYS WILL
FLUCTUATE IN BOTH POSITION AND INTENSITY. MODERATE TO FRESH
NORTHEAST TO EAST BREEZES WILL PREVAIL ACROSS KEYS COASTAL WATERS
THROUGH MID WEEK, SLACKENING THEREAFTER.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF DECEMBER
21...
24 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
14 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
14 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
16 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
17 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
18 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
11 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
6 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.
GMZ031-240930-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
429 PM EST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS, DECREASING TO
15 TO 20 KNOTS LATE. BAY WATERS ROUGH, BECOMING CHOPPY. ISOLATED
SHOWERS.
WEDNESDAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS,
BECOMING NORTHEAST AND DECREASING TO NEAR 15 KNOTS. BAY WATERS
CHOPPY, BECOMING A MODERATE CHOP.
THURSDAY
NORTHEAST WINDS NEAR 15 KNOTS, DECREASING TO NEAR 10
KNOTS. BAY WATERS A MODERATE CHOP, BECOMING A LIGHT CHOP.
THURSDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP.
FRIDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST
AND DECREASING TO NEAR 5 KNOTS. BAY WATERS SMOOTH TO A LIGHT
CHOP, BECOMING SMOOTH.
FRIDAY NIGHT
EAST WINDS NEAR 5 KNOTS, BECOMING NORTH TO
NORTHEAST. BAY WATERS SMOOTH.
SATURDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST.
BAY WATERS SMOOTH TO A LIGHT CHOP.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 5 KNOTS. BAY
WATERS SMOOTH.
SUNDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS, BECOMING
NORTHWEST. BAY WATERS SMOOTH TO A LIGHT CHOP.
GMZ032-035-240930-
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-
429 PM EST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS, DECREASING TO
15 TO 20 KNOTS LATE. SEAS 2 TO 4 FEET, SUBSIDING TO 2 TO 3 FEET.
WEST OF THE MARQUESAS KEYS, SEAS 3 TO 5 FEET, SUBSIDING TO 3 TO 4
FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS ROUGH, BECOMING
CHOPPY. ISOLATED SHOWERS.
WEDNESDAY AND WEDNESDAY 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.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO 10 TO
15 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING TO 1 TO 2 FEET. WEST OF THE
MARQUESAS KEYS, SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET,
SUBSIDING TO 2 TO 3 FEET. NEARSHORE WATERS CHOPPY, BECOMING A
LIGHT TO MODERATE CHOP.
THURSDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1
TO 2 FEET, EXCEPT AROUND 2 FEET WEST OF THE MARQUESAS KEYS.
NEARSHORE WATERS BECOMING A LIGHT CHOP.
FRIDAY
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS, BECOMING EAST
AND DECREASING TO 5 TO 10 KNOTS. SEAS 1 TO 2 FEET, SUBSIDING TO
AROUND 1 FOOT. NEARSHORE WATERS A LIGHT CHOP, BECOMING SMOOTH TO A
LIGHT CHOP.
FRIDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST.
SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
SATURDAY
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING NORTHEAST TO
EAST. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP.
SATURDAY NIGHT AND SUNDAY
NORTHEAST TO EAST WINDS 5 TO 10
KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS, BECOMING
NORTHWEST TO NORTH. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH
TO A LIGHT CHOP.
GMZ042>044-240930-
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-
429 PM EST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE WATERS ROUGH. ISOLATED
SHOWERS.
WEDNESDAY AND WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 15 TO 20
KNOTS. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS
CHOPPY.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS, DECREASING TO 10 TO
15 KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET, SUBSIDING TO
2 TO 3 FEET. NEARSHORE WATERS CHOPPY, BECOMING A LIGHT TO MODERATE
CHOP.
THURSDAY NIGHT
NORTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT CHOP.
FRIDAY
NORTHEAST WINDS NEAR 10 KNOTS, BECOMING NORTHEAST TO
EAST AND DECREASING TO 5 TO 10 KNOTS. SEAS AROUND 2 FEET,
SUBSIDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP, BECOMING
SMOOTH TO A LIGHT CHOP.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
SATURDAY THROUGH SUNDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS.
SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS, BECOMING
NORTH. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP.
GMZ052>055-072>075-240930-
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-
429 PM EST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
9 FEET, OCCASIONALLY TO 11 FEET. WAVE DETAIL: NORTHEAST TO EAST
8 FEET AT 7 SECONDS. ISOLATED SHOWERS.
WEDNESDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST TO EAST 7
FEET AT 7 SECONDS. ISOLATED SHOWERS.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS
5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST TO
EAST 7 FEET AT 7 SECONDS.
THURSDAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS, DECREASING TO
NEAR 15 KNOTS. SEAS 4 TO 7 FEET, OCCASIONALLY TO 8 FEET,
SUBSIDING TO 3 TO 6 FEET, OCCASIONALLY TO 7 FEET.
THURSDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 2
TO 4 FEET, OCCASIONALLY TO 5 FEET. ISOLATED SHOWERS.
FRIDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS 2 TO
3 FEET.
FRIDAY NIGHT THROUGH SUNDAY
EAST WINDS NEAR 10 KNOTS. SEAS
AROUND 2 FEET.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS, BECOMING
NORTH TO NORTHEAST. SEAS 1 TO 2 FEET. ISOLATED SHOWERS.
GMZ033-034-240930-
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-
429 PM EST TUE DEC 23 2025
..SMALL CRAFT ADVISORY IN EFFECT
TONIGHT
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS, INCREASING TO
NEAR 20 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE
DETAIL: NORTHEAST TO EAST 4 FEET AT 5 SECONDS. ISOLATED SHOWERS.
WEDNESDAY
NORTHEAST WINDS NEAR 20 KNOTS, DECREASING TO 15 TO
20 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL:
NORTHEAST TO EAST 4 FEET AT 5 SECONDS.
WEDNESDAY NIGHT
NORTHEAST WINDS NEAR 15 KNOTS, BECOMING
NORTHEAST TO EAST AND INCREASING TO 15 TO 20 KNOTS. SEAS 2 TO 4
FEET, OCCASIONALLY TO 5 FEET. WAVE DETAIL: NORTHEAST 3 FEET AT 4
SECONDS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS, BECOMING NORTH TO
NORTHEAST AND DECREASING TO 10 TO 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET, SUBSIDING TO 2 TO 3 FEET.
THURSDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS
2 TO 3 FEET, SUBSIDING TO 1 TO 2 FEET.
FRIDAY
NORTHEAST WINDS NEAR 10 KNOTS, DECREASING TO 5 TO 10
KNOTS. SEAS 1 TO 2 FEET, SUBSIDING TO AROUND 1 FOOT.
FRIDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT.
SATURDAY THROUGH SUNDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS.
SEAS AROUND 1 FOOT.
SUNDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING
NORTHWEST TO NORTH. SEAS AROUND 1 FOOT.
BT/MJV
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