542
FZUS52 KKEY 230229
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1029 PM EDT WED OCT 22 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.
GMZ005-231430-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1029 PM EDT WED OCT 22 2025
SYNOPSIS
TROPICAL STORM MELISSA CHURNING IN THE CENTRAL
CARIBBEAN SEA IN COMBINATION WITH HIGH PRESSURE BUILDING ACROSS
THE SOUTHEAST U.S. OVER THE NEXT COUPLE DAYS WILL LEAD TO A
TIGHTENING OF THE PRESSURE GRADIENT. THIS WILL PROMOTE FRESHENING
NORTHEAST TO EASTERLY BREEZES THROUGH THURSDAY NIGHT. FRESH TO
OCCASIONALLY STRONG NORTHEAST TO EAST BREEZES ARE EXPECTED TO
REMAIN IN PLACE FRIDAY THROUGH THE WEEKEND DUE TO THE STAGNANT
PATTERN.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF
OCTOBER 21...
47 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
42 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
32 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
22 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
16 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
3 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
1 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.
GMZ031-231430-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1029 PM EDT WED OCT 22 2025
OVERNIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
THURSDAY
NORTHEAST TO EAST WINDS NEAR 15 KNOTS, INCREASING TO
15 TO 20 KNOTS. BAY WATERS A MODERATE CHOP, BECOMING CHOPPY.
ISOLATED SHOWERS.
THURSDAY NIGHT
NORTHEAST WINDS NEAR 20 KNOTS. BAY WATERS
ROUGH. ISOLATED SHOWERS.
FRIDAY
NORTHEAST WINDS NEAR 20 KNOTS, INCREASING TO 20 TO 25
KNOTS IN THE AFTERNOON. BAY WATERS ROUGH, BECOMING VERY ROUGH.
SCATTERED SHOWERS.
FRIDAY NIGHT AND SATURDAY
NORTHEAST WINDS 20 TO 25 KNOTS. BAY
WATERS VERY ROUGH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20
TO 25 KNOTS. BAY WATERS VERY ROUGH. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
MONDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. BAY WATERS
ROUGH. ISOLATED SHOWERS.
MONDAY NIGHT
NORTHEAST WINDS NEAR 20 KNOTS, DECREASING TO 15
TO 20 KNOTS. BAY WATERS ROUGH, BECOMING CHOPPY. ISOLATED SHOWERS.
GMZ032-035-231430-
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 EDT WED OCT 22 2025
OVERNIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED
SHOWERS.
THURSDAY
NORTHEAST TO EAST WINDS NEAR 15 KNOTS, INCREASING TO
15 TO 20 KNOTS LATE. SEAS 1 TO 2 FEET, EXCEPT 2 TO 3 FEET WEST OF
THE MARQUESAS KEYS. NEARSHORE WATERS A MODERATE CHOP, BECOMING
CHOPPY. ISOLATED SHOWERS.
THURSDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
NEAR 20 KNOTS. SEAS 1 TO 3 FEET, BUILDING TO 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WEST OF THE MARQUESAS KEYS, SEAS 2 TO 3
FEET, BUILDING TO 4 TO 5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE
WATERS CHOPPY, BECOMING ROUGH. ISOLATED SHOWERS.
FRIDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET, EXCEPT 5 TO 6 FEET, OCCASIONALLY TO
8 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
ISOLATED SHOWERS.
FRIDAY NIGHT
NORTHEAST WINDS 20 TO 25 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 VERY ROUGH.
ISOLATED SHOWERS AND THUNDERSTORMS.
SATURDAY
NORTHEAST TO EAST 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. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SATURDAY NIGHT
NORTHEAST TO EAST 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. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 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 VERY
ROUGH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 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 VERY
ROUGH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
MONDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 5 TO 6 FEET, OCCASIONALLY
TO 8 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS ROUGH.
ISOLATED SHOWERS.
MONDAY NIGHT
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. ISOLATED SHOWERS.
GMZ042>044-231430-
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 EDT WED OCT 22 2025
OVERNIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS, INCREASING TO
NEAR 15 KNOTS. SEAS AROUND 2 FEET, BUILDING TO 2 TO 3 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP, BECOMING A MODERATE
CHOP. ISOLATED SHOWERS.
THURSDAY
NORTHEAST TO EAST WINDS NEAR 15 KNOTS, INCREASING TO
15 TO 20 KNOTS LATE. SEAS 2 TO 3 FEET, BUILDING TO 3 TO 4 FEET.
NEARSHORE WATERS A MODERATE CHOP, BECOMING CHOPPY. ISOLATED
SHOWERS.
THURSDAY NIGHT
NORTHEAST WINDS NEAR 20 KNOTS, INCREASING TO 20
TO 25 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE
WATERS ROUGH, BECOMING VERY ROUGH. ISOLATED SHOWERS.
FRIDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. NEARSHORE WATERS VERY ROUGH. ISOLATED
SHOWERS.
FRIDAY NIGHT AND SATURDAY
NORTHEAST TO EAST WINDS 20 TO 25
KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. NEARSHORE WATERS
VERY ROUGH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SATURDAY NIGHT AND SUNDAY
NORTHEAST TO EAST WINDS NEAR 25
KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET, EXCEPT 5 TO 7
FEET, OCCASIONALLY TO 9 FEET WEST OF COSGROVE SHOAL LIGHT.
NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 25 KNOTS, DECREASING
TO 20 TO 25 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET.
NEARSHORE WATERS EXTREMELY ROUGH, BECOMING VERY ROUGH. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
MONDAY
NORTHEAST TO EAST WINDS DECREASING TO NEAR 20 KNOTS.
SEAS SUBSIDING TO 4 TO 5 FEET, OCCASIONALLY TO 7 FEET. NEARSHORE
WATERS BECOMING ROUGH. ISOLATED SHOWERS.
MONDAY NIGHT
NORTHEAST WINDS NEAR 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. NEARSHORE WATERS ROUGH. ISOLATED SHOWERS.
GMZ052>055-072>075-231430-
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 EDT WED OCT 22 2025
..SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS
..SMALL CRAFT ADVISORY MAY BE REQUIRED THURSDAY AFTERNOON
OVERNIGHT
NORTHEAST TO EAST WINDS NEAR 15 KNOTS, INCREASING TO
15 TO 20 KNOTS. SEAS 2 TO 4 FEET, BUILDING TO 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST TO EAST 5 FEET AT 6
SECONDS. ISOLATED SHOWERS.
THURSDAY
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO NEAR 20
KNOTS LATE. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. WAVE
DETAIL: NORTHEAST TO EAST 6 FEET AT 6 SECONDS. ISOLATED SHOWERS.
THURSDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: NORTHEAST TO EAST
8 FEET AT 7 SECONDS. SCATTERED SHOWERS.
FRIDAY
NORTHEAST WINDS 20 TO 25 KNOTS, INCREASING TO NEAR 25
KNOTS. SEAS 7 TO 10 FEET, OCCASIONALLY TO 13 FEET. SCATTERED
SHOWERS.
FRIDAY NIGHT AND SATURDAY
NORTHEAST TO EAST WINDS NEAR 25
KNOTS. SEAS 8 TO 11 FEET, OCCASIONALLY TO 14 FEET. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
SATURDAY NIGHT AND SUNDAY
NORTHEAST TO EAST WINDS NEAR 25
KNOTS. SEAS 9 TO 12 FEET, OCCASIONALLY TO 15 FEET. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 25 KNOTS. SEAS 8 TO
11 FEET, OCCASIONALLY TO 14 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
MONDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
10 FEET, OCCASIONALLY TO 13 FEET. SCATTERED SHOWERS.
MONDAY NIGHT
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 6 TO 9 FEET,
OCCASIONALLY TO 11 FEET. SCATTERED SHOWERS.
GMZ033-034-231430-
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 EDT WED OCT 22 2025
OVERNIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WAVE DETAIL: NORTH TO NORTHEAST 2 FEET AT 3 SECONDS. ISOLATED
SHOWERS.
THURSDAY
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO NEAR 15
KNOTS LATE. SEAS 2 TO 3 FEET. WAVE DETAIL: NORTH TO NORTHEAST 3
FEET AT 4 SECONDS.
THURSDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
NEAR 20 KNOTS. SEAS 2 TO 3 FEET, BUILDING TO 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTH TO NORTHEAST 3 FEET AT
4 SECONDS, BECOMING NORTHEAST TO EAST 5 FEET AT 5 SECONDS.
ISOLATED SHOWERS.
FRIDAY
NORTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET. ISOLATED SHOWERS.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET. ISOLATED SHOWERS AND
THUNDERSTORMS.
SATURDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
8 FEET, OCCASIONALLY TO 10 FEET. ISOLATED SHOWERS AND
THUNDERSTORMS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 25 KNOTS. SEAS 5
TO 8 FEET, OCCASIONALLY TO 10 FEET. ISOLATED SHOWERS AND
THUNDERSTORMS.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
8 FEET, OCCASIONALLY TO 10 FEET. ISOLATED SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
MONDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET. ISOLATED SHOWERS.
MONDAY NIGHT
NORTHEAST WINDS NEAR 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. ISOLATED SHOWERS.
MJV
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