071
FZUS52 KKEY 051520
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1020 AM EST THU MAR 5 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.
GMZ005-060330-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1020 AM EST THU MAR 5 2026
SYNOPSIS
A LARGE AND ROBUST HIGH REMAINS CENTERED OVER THE CENTRAL NORTH
ATLANTIC. THIS WILL CONTINUE TO PROMOTE A PROLONGED PERIOD OF
MODERATE TO FRESH BREEZES ACROSS FLORIDA KEYS COASTAL WATERS
THROUGH THE REMAINDER OF THE WEEK AND INTO THE WEEKEND. WINDS
WILL BE STRONGEST ACROSS THE FLORIDA STRAITS AND WEAKEST OVER THE
COOLER GULF SIDE WATERS.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF MARCH 1...
47 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
16 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
9 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
7 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
8 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
8 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
7 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
8 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.
GMZ031-060330-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1020 AM EST THU MAR 5 2026
THIS AFTERNOON
EAST WINDS NEAR 15 KNOTS. BAY WATERS A MODERATE
CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.
TONIGHT
EAST WINDS NEAR 15 KNOTS, INCREASING TO 15 TO 20
KNOTS. BAY WATERS A MODERATE CHOP, BECOMING CHOPPY. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
FRIDAY
EAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. ISOLATED
SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT AND SATURDAY
EAST WINDS 15 TO 20 KNOTS. BAY
WATERS CHOPPY. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SATURDAY NIGHT AND SUNDAY
EAST WINDS NEAR 15 KNOTS. BAY WATERS
A MODERATE CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SUNDAY NIGHT AND MONDAY
EAST WINDS 10 TO 15 KNOTS. BAY WATERS
A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS NEAR 15 KNOTS. BAY WATERS A MODERATE
CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.
GMZ032-035-060330-
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-
1020 AM EST THU MAR 5 2026
THIS AFTERNOON
EAST WINDS NEAR 15 KNOTS. SEAS 1 TO 2 FEET,
EXCEPT 3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF THE MARQUESAS
KEYS. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS AND
THUNDERSTORMS.
TONIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 1 TO 2 FEET, EXCEPT
3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF THE MARQUESAS KEYS.
NEARSHORE WATERS CHOPPY. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
FRIDAY AND FRIDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 1 TO 2
FEET, EXCEPT 3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS CHOPPY. ISOLATED SHOWERS AND
THUNDERSTORMS.
SATURDAY
EAST WINDS 15 TO 20 KNOTS, DECREASING TO NEAR 15 KNOTS.
SEAS 1 TO 2 FEET, EXCEPT 3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST
OF THE MARQUESAS KEYS. NEARSHORE WATERS CHOPPY, BECOMING A
MODERATE CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SATURDAY NIGHT
EAST WINDS NEAR 15 KNOTS. SEAS 1 TO 2 FEET,
EXCEPT 3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF THE MARQUESAS
KEYS. NEARSHORE WATERS A MODERATE CHOP. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
SUNDAY
EAST WINDS NEAR 15 KNOTS. SEAS 1 TO 2 FEET, EXCEPT
AROUND 3 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS A
MODERATE CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SUNDAY NIGHT THROUGH MONDAY NIGHT
EAST WINDS NEAR 15 KNOTS.
SEAS 1 TO 2 FEET, EXCEPT AROUND 3 FEET WEST OF THE MARQUESAS
KEYS. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS AND
THUNDERSTORMS.
GMZ042>044-060330-
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-
1020 AM EST THU MAR 5 2026
..SMALL CRAFT SHOULD EXERCISE CAUTION
THIS AFTERNOON
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. NEARSHORE WATERS CHOPPY. ISOLATED SHOWERS
AND THUNDERSTORMS.
TONIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. NEARSHORE WATERS CHOPPY. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
FRIDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. NEARSHORE WATERS CHOPPY. ISOLATED SHOWERS
AND THUNDERSTORMS.
FRIDAY NIGHT AND SATURDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE WATERS CHOPPY.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SATURDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. NEARSHORE WATERS CHOPPY. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
SUNDAY
EAST WINDS NEAR 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 5 FEET. NEARSHORE WATERS A MODERATE CHOP.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
SUNDAY NIGHT THROUGH MONDAY NIGHT
EAST WINDS NEAR 15 KNOTS.
SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS A
MODERATE CHOP. ISOLATED SHOWERS AND THUNDERSTORMS.
GMZ052>055-072>075-060330-
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-
1020 AM EST THU MAR 5 2026
..SMALL CRAFT ADVISORY IN EFFECT
THIS AFTERNOON
EAST WINDS NEAR 20 KNOTS, DECREASING TO 15 TO
20 KNOTS. SEAS 4 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL:
EAST 6 FEET AT 6 SECONDS. ISOLATED SHOWERS AND THUNDERSTORMS.
TONIGHT
EAST WINDS 15 TO 20 KNOTS, INCREASING TO NEAR 20 KNOTS.
SEAS 4 TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 6
FEET AT 6 SECONDS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
FRIDAY
EAST WINDS NEAR 20 KNOTS. SEAS 4 TO 7 FEET,
OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 6 FEET AT 6 SECONDS.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
FRIDAY NIGHT AND SATURDAY
EAST WINDS NEAR 20 KNOTS. SEAS 4 TO
7 FEET, OCCASIONALLY TO 9 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
SATURDAY NIGHT
EAST WINDS NEAR 20 KNOTS. SEAS 4 TO 7 FEET,
OCCASIONALLY TO 9 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
SUNDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 7 FEET,
OCCASIONALLY TO 9 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 7 FEET,
OCCASIONALLY TO 9 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.
MONDAY AND MONDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6
FEET, OCCASIONALLY TO 8 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.
GMZ033-034-060330-
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-
1020 AM EST THU MAR 5 2026
THIS AFTERNOON
EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 3 FEET AT 4 SECONDS.
ISOLATED SHOWERS AND THUNDERSTORMS.
TONIGHT
EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 3 FEET AT 4 SECONDS.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
FRIDAY
EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 3 FEET AT 4 SECONDS.
ISOLATED SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. ISOLATED SHOWERS AND THUNDERSTORMS.
SATURDAY
EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
SATURDAY NIGHT
EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
SUNDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. ISOLATED
SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
ISOLATED SHOWERS AND THUNDERSTORMS.
MONDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. ISOLATED
SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
ISOLATED SHOWERS AND THUNDERSTORMS.
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