801
FZUS52 KKEY 292039
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
439 PM EDT WED OCT 29 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.
GMZ005-300745-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
439 PM EDT WED OCT 29 2025
SYNOPSIS
A STRONG COLD FRONT WILL CONTINUE TO PUSH THROUGH THE
GULF THIS EVENING. THE FRONTAL BOUNDARY WILL DRIVE THROUGH KEYS
WATERS TONIGHT, AND CLEARING OUT EARLY THURSDAY. IN THE WAKE OF
THE FRONT, WINDS WILL BACK TO THE NORTHWEST AND FRESHEN. AS HIGH
PRESSURE BUILDING BEHIND THE FRONT MOVES ALONG THE GULF TOWARDS
THE WESTERN ATLANTIC, BREEZES WILL SLOWLY SLACKEN OVER THE WEEKEND
INTO EARLY NEXT WEEK.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF OCTOBER
28...
49 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
40 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
20 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
17 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
17 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
4 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
2 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
2 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.
GMZ031-300745-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
439 PM EDT WED OCT 29 2025
..SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS
..SMALL CRAFT ADVISORY LIKELY WILL BE REQUIRED LATER TONIGHT
TONIGHT
NORTH WINDS 10 TO 15 KNOTS, BECOMING NORTHWEST TO NORTH
AND INCREASING TO 15 TO 20 KNOTS, THEN BECOMING NORTHWEST AND
INCREASING TO NEAR 20 KNOTS LATE. BAY WATERS A LIGHT TO MODERATE
CHOP, BECOMING CHOPPY, THEN BECOMING ROUGH LATE. SCATTERED
SHOWERS.
THURSDAY
NORTHWEST WINDS NEAR 20 KNOTS, DECREASING TO 15 TO 20
KNOTS. BAY WATERS ROUGH, BECOMING CHOPPY. ISOLATED SHOWERS.
THURSDAY 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.
FRIDAY
NORTH WINDS 10 TO 15 KNOTS, DECREASING TO NEAR 10 KNOTS.
BAY WATERS A LIGHT TO MODERATE CHOP, BECOMING A LIGHT CHOP.
FRIDAY NIGHT THROUGH SATURDAY
NORTHEAST WINDS 5 TO 10 KNOTS.
BAY WATERS SMOOTH TO A LIGHT CHOP.
SATURDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
SUNDAY
NORTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A LIGHT
CHOP.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP. ISOLATED SHOWERS.
MONDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
MONDAY NIGHT
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
GMZ032-035-300745-
BAYSIDE AND GULF SIDE FROM CRAIG KEY TO WEST END OF SEVEN MILE
BRIDGE-
GULF OF MEXICO FROM WEST END OF SEVEN MILE BRIDGE TO HALFMOON
SHOAL OUT TO 5 FATHOMS-
439 PM EDT WED OCT 29 2025
..SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS
..SMALL CRAFT ADVISORY LIKELY WILL BE REQUIRED LATER TONIGHT
TONIGHT
NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS, THEN BECOMING NORTHWEST AND INCREASING TO NEAR 20
KNOTS LATE. SEAS BUILDING TO 2 TO 4 FEET, OCCASIONALLY TO 5 FEET,
EXCEPT BUILDING TO 4 TO 5 FEET, OCCASIONALLY TO 6 FEET WEST OF
THE MARQUESAS KEYS. NEARSHORE WATERS A LIGHT TO MODERATE CHOP,
BECOMING CHOPPY, THEN BECOMING ROUGH LATE. SCATTERED SHOWERS.
THURSDAY
NORTHWEST WINDS 20 TO 25 KNOTS, DECREASING TO NEAR 20
KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET, EXCEPT 5 TO 6
FEET, OCCASIONALLY TO 8 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS VERY ROUGH, BECOMING ROUGH. ISOLATED SHOWERS.
THURSDAY NIGHT
NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS,
DECREASING TO 10 TO 15 KNOTS. SEAS SUBSIDING TO 2 TO 3 FEET,
EXCEPT SUBSIDING TO 4 TO 5 FEET, OCCASIONALLY TO 6 FEET WEST OF
THE MARQUESAS KEYS. NEARSHORE WATERS CHOPPY, BECOMING A LIGHT TO
MODERATE CHOP.
FRIDAY
NORTH WINDS 10 TO 15 KNOTS, DECREASING TO NEAR 10 KNOTS.
SEAS SUBSIDING TO 1 TO 2 FEET, EXCEPT SUBSIDING TO 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS A LIGHT TO MODERATE CHOP, BECOMING A LIGHT CHOP.
FRIDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS, DECREASING
TO 5 TO 10 KNOTS. SEAS 1 TO 2 FEET, EXCEPT SUBSIDING TO 2 TO 3
FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS A LIGHT CHOP,
BECOMING SMOOTH TO A LIGHT CHOP.
SATURDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
SATURDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
SUNDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 10 KNOTS, INCREASING
TO 10 TO 15 KNOTS. SEAS AROUND 1 FOOT, BUILDING TO 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP, BECOMING A LIGHT TO MODERATE CHOP.
ISOLATED SHOWERS.
MONDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
MONDAY NIGHT
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT, EXCEPT BUILDING TO 1 TO 2 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED
SHOWERS.
GMZ042>044-300745-
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-
439 PM EDT WED OCT 29 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS AND
BUILDING SEAS...
..SMALL CRAFT ADVISORY LIKELY WILL BE REQUIRED LATER TONIGHT
TONIGHT
NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS, THEN BECOMING NORTHWEST AND INCREASING TO 20 TO 25
KNOTS LATE. SEAS BUILDING TO 3 TO 4 FEET, OCCASIONALLY TO 5 FEET,
EXCEPT BUILDING TO EXCEPT 4 TO 6 FEET, OCCASIONALLY TO 8 FEET
WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP, BECOMING CHOPPY, THEN BECOMING VERY ROUGH LATE. SCATTERED
SHOWERS.
THURSDAY
NORTHWEST WINDS 20 TO 25 KNOTS, DECREASING TO NEAR 20
KNOTS. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 6
FEET, OCCASIONALLY TO 8 FEET WEST OF COSGROVE SHOAL LIGHT.
NEARSHORE WATERS VERY ROUGH, BECOMING ROUGH. ISOLATED SHOWERS.
THURSDAY NIGHT
NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS,
DECREASING TO 10 TO 15 KNOTS. SEAS SUBSIDING TO 2 TO 3 FEET,
EXCEPT SUBSIDING TO 3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF
COSGROVE SHOAL LIGHT. NEARSHORE WATERS CHOPPY, BECOMING A LIGHT TO
MODERATE CHOP.
FRIDAY
NORTH WINDS 10 TO 15 KNOTS, DECREASING TO NEAR 10 KNOTS.
SEAS SUBSIDING TO 1 TO 3 FEET, EXCEPT SUBSIDING TO 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE
WATERS A LIGHT TO MODERATE CHOP, BECOMING A LIGHT CHOP.
FRIDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS, DECREASING
TO 5 TO 10 KNOTS. SEAS 1 TO 2 FEET, EXCEPT SUBSIDING TO 2 TO 3
FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS A LIGHT CHOP,
BECOMING SMOOTH TO A LIGHT CHOP.
SATURDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
SATURDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
SUNDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO
NEAR 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS SMOOTH TO A
LIGHT CHOP, BECOMING A LIGHT CHOP.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 10 KNOTS, INCREASING
TO 10 TO 15 KNOTS. SEAS 1 TO 2 FEET, BUILDING TO 2 TO 3 FEET.
NEARSHORE WATERS A LIGHT CHOP, BECOMING A LIGHT TO MODERATE CHOP.
ISOLATED SHOWERS.
MONDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED
SHOWERS.
MONDAY NIGHT
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1
TO 2 FEET, EXCEPT BUILDING TO 2 TO 4 FEET, OCCASIONALLY TO 5
FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS SMOOTH TO A
LIGHT CHOP. ISOLATED SHOWERS.
GMZ052>055-072>075-300745-
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-
439 PM EDT WED OCT 29 2025
...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS AND
BUILDING SEAS...
..SMALL CRAFT ADVISORY LIKELY WILL BE REQUIRED LATER TONIGHT
TONIGHT
NORTHWEST TO NORTH WINDS NEAR 15 KNOTS, INCREASING TO 15
TO 20 KNOTS, THEN BECOMING NORTHWEST AND INCREASING TO 20 TO 25
KNOTS LATE. SEAS BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET.
WAVE DETAIL: NORTH 5 FEET AT 5 SECONDS. SCATTERED SHOWERS.
THURSDAY
NORTHWEST WINDS 20 TO 25 KNOTS, DECREASING TO NEAR 20
KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
WEST TO NORTHWEST 6 FEET AT 7 SECONDS AND NORTHEAST 2 FEET AT 7
SECONDS. ISOLATED SHOWERS.
THURSDAY NIGHT
NORTHWEST WINDS 15 TO 20 KNOTS, BECOMING
NORTHWEST TO NORTH AND DECREASING TO 10 TO 15 KNOTS. SEAS 4 TO 6
FEET, OCCASIONALLY TO 8 FEET, SUBSIDING TO 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: WEST TO NORTHWEST 6 FEET AT
9 SECONDS AND NORTHEAST 2 FEET AT 7 SECONDS. ISOLATED SHOWERS.
FRIDAY
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS, DECREASING TO
NEAR 10 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET,
SUBSIDING TO 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. ISOLATED
SHOWERS.
FRIDAY NIGHT
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET, SUBSIDING TO 2 TO 3 FEET. ISOLATED
SHOWERS.
SATURDAY
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET.
ISOLATED SHOWERS.
SATURDAY NIGHT
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3
FEET. ISOLATED SHOWERS.
SUNDAY
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET. ISOLATED SHOWERS.
SUNDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
ISOLATED SHOWERS.
MONDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2
FEET. ISOLATED SHOWERS.
MONDAY NIGHT
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS
BUILDING TO 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. SCATTERED
SHOWERS.
GMZ033-034-300745-
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-
439 PM EDT WED OCT 29 2025
..SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS
..SMALL CRAFT ADVISORY WILL BE REQUIRED LATER TONIGHT
TONIGHT
NORTHWEST WINDS NEAR 15 KNOTS, INCREASING TO 15 TO 20
KNOTS, THEN INCREASING TO 20 TO 25 KNOTS. SEAS 2 TO 3 FEET,
BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE DETAIL:
NORTHWEST 3 FEET AT 5 SECONDS, BECOMING NORTHWEST 6 FEET AT 6
SECONDS. SCATTERED SHOWERS.
THURSDAY
NORTHWEST WINDS NEAR 20 TO 25 KNOTS, DECREASING TO
NEAR 20 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE
DETAIL: NORTHWEST 7 FEET AT 7 SECONDS. ISOLATED SHOWERS.
THURSDAY NIGHT
NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS,
DECREASING TO 10 TO 15 KNOTS. WAVE DETAIL: WEST TO NORTHWEST
6 FEET AT 9 SECONDS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9
FEET, SUBSIDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. ISOLATED
SHOWERS.
FRIDAY
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS. SEAS SUBSIDING
TO 3 TO 5 FEET, OCCASIONALLY TO 6 FEET.
FRIDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, SUBSIDING TO 2 TO 3 FEET.
ISOLATED SHOWERS.
SATURDAY
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO
3 FEET.
SATURDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS
1 TO 2 FEET. ISOLATED SHOWERS.
SUNDAY
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT.
SUNDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 10 KNOTS, INCREASING
TO 10 TO 15 KNOTS. SEAS AROUND 1 TO 2 FEET, BUILDING TO 2 TO 3
FEET. ISOLATED SHOWERS.
MONDAY
NORTHEAST TO NORTH WINDS 5 TO 10 KNOTS,. SEAS 2 TO 3
FEET. ISOLATED SHOWERS.
MONDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 10 KNOTS. SEAS 2 TO
3 FEET, BUILDING TO 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. ISOLATED
SHOWERS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page