299
FZUS52 KKEY 041650 CCA
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1035 AM EDT MON MAY 4 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.
GMZ005-050245-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1035 AM EDT MON MAY 4 2026
SYNOPSIS
THE COASTAL WATERS SURROUNDING THE FLORIDA KEYS REMAIN
IN A CHAOTIC STATE AS A WEAK FRONTAL BOUNDARY LINGERS NEARBY. THIS
IS CREATING GENTLE NORTHERLY BREEZES ACROSS THE WESTERN WATERS
WITH LIGHT AND VARIABLE WINDS ELSEWHERE. ADDITIONAL ROUNDS OF
CONVECTION ARE POSSIBLE THIS AFTERNOON, ESPECIALLY ACROSS THE
STRAITS OF FLORIDA. THE STRONGER SHOWERS AND THUNDERSTORMS WILL
BE CAPABLE OF STRONG GUSTY WINDS, LOCALLY HIGHER SEAS, AT TIMES
FREQUENT LIGHTNING STRIKES, AND BLINDING DOWNPOURS. THE ACTIVE
PATTERN WILL GRADUALLY CALM DOWN OVER THE NEXT 24 HOURS. WINDS
WILL THEN SHIFT NORTH TO NORTHEAST AS THE BOUNDARY STARTS WASHING
OUT ACROSS THE FLORIDA STRAITS. WINDS WILL REMAIN LIGHT AND
VARYING TOMORROW INTO TOMORROW NIGHT DUE TO THE LINGERING REMNANT
BOUNDARY. BY MID WEEK THE WESTERN FLANK OF A BROAD ATLANTIC RIDGE
WILL MOVE ACROSS FLORIDA AND ESTABLISH A MORE NORMAL LIGHT TO
GENTLE EAST TO SOUTHEASTERLY FLOW.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF APRIL 28...
16 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
10 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
9 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
9 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
12 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
10 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
6 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.
GMZ031-050245-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1035 AM EDT MON MAY 4 2026
THIS AFTERNOON
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS EARLY,
INCREASING TO 5 TO 10 KNOTS. BAY WATERS SMOOTH, BECOMING SMOOTH
TO A LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
TONIGHT
NORTHEAST WINDS NEAR 10 KNOTS, DECREASING TO NEAR 5
KNOTS AFTER MIDNIGHT. BAY WATERS A LIGHT CHOP, BECOMING SMOOTH. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TUESDAY
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTH TO
SOUTHWEST 5 TO 10 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH,
BECOMING SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
TUESDAY NIGHT
WINDS BECOMING EAST TO SOUTHEAST 5 TO 10 KNOTS.
BAY WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS, INCREASING TO
5 TO 10 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, BECOMING SMOOTH
TO A LIGHT CHOP.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP.
THURSDAY
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
THURSDAY NIGHT
SOUTHEAST WINDS NEAR 5 KNOTS. BAY WATERS
SMOOTH.
FRIDAY
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A LIGHT
CHOP.
FRIDAY NIGHT
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. BAY WATERS
SMOOTH.
GMZ032-035-050245-
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-
1035 AM EDT MON MAY 4 2026
THIS AFTERNOON
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS EARLY,
BECOMING NORTH TO NORTHEAST 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS SMOOTH, BECOMING SMOOTH TO A LIGHT CHOP. A
CHANCE OF SHOWERS.
TONIGHT
NORTHEAST WINDS NEAR 10 KNOTS, DECREASING TO 5 TO 10
KNOTS. SEAS 1 FOOT OR LESS. NEARSHORE WATERS A LIGHT CHOP,
BECOMING SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS WITH A
SLIGHT CHANCE OF THUNDERSTORMS.
TUESDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
TO SOUTHWEST IN THE AFTERNOON. SEAS 1 FOOT OR LESS. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.
TUESDAY NIGHT
WINDS BECOMING NORTH TO NORTHEAST NEAR 5 KNOTS
EARLY. WINDS THEN BECOMING EAST LATE. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT
OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS INCREASING TO NEAR 10
KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS BECOMING A LIGHT
CHOP.
THURSDAY
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT
OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH.
FRIDAY
SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH.
FRIDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS, BECOMING
SOUTHEAST AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. NEARSHORE WATERS
SMOOTH.
GMZ042>044-050245-
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-
1035 AM EDT MON MAY 4 2026
THIS AFTERNOON
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1
TO 2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TONIGHT
NORTHEAST WINDS 5 TO 10 KNOTS, DECREASING TO NEAR 5
KNOTS AFTER MIDNIGHT. SEAS 1 TO 2 FEET. NEARSHORE WATERS SMOOTH TO
A LIGHT CHOP, BECOMING SMOOTH. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
TUESDAY
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHWEST TO WEST
5 TO 10 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH,
BECOMING SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
VARIABLE WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS A LIGHT CHOP.
THURSDAY
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH.
FRIDAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS SMOOTH.
FRIDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH.
GMZ052>055-072>075-050245-
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-
1035 AM EDT MON MAY 4 2026
THIS AFTERNOON
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING NORTH TO
NORTHEAST. SEAS 2 TO 3 FEET. WAVE DETAIL: NORTHEAST 2 FEET AT 7
SECONDS AND NORTHWEST 2 FEET AT 7 SECONDS. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TONIGHT
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING VARIABLE NEAR
5 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL:
NORTHWEST 2 FEET AT 6 SECONDS AND NORTHEAST 2 FEET AT 7 SECONDS.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
TUESDAY
VARIABLE WINDS NEAR 5 KNOTS, BECOMING WEST TO NORTHWEST
5 TO 10 KNOTS. SEAS 1 TO 2 FEET. WAVE DETAIL: NORTH TO NORTHEAST
2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
WINDS BECOMING VARIABLE NEAR 5 KNOTS. SEAS 1 TO
2 FEET. A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1
TO 2 FEET.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
1 TO 2 FEET.
FRIDAY AND FRIDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS.
SEAS AROUND 1 FOOT.
GMZ033-034-050245-
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-
1035 AM EDT MON MAY 4 2026
THIS AFTERNOON
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS,
DECREASING TO 5 TO 10 KNOTS LATE. SEAS 2 TO 3 FEET, SUBSIDING TO 1
TO 2 FEET. WAVE DETAIL:
NORTHWEST 2 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
NORTHEAST WINDS 5 TO 10 KNOTS EARLY, BECOMING NORTHEAST
TO EAST NEAR 10 KNOTS. SEAS 1 TO 2 FEET. WAVE DETAIL: NORTH TO
NORTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
EAST WINDS 5 TO 10 KNOTS, BECOMING VARIABLE NEAR 5
KNOTS. SEAS 1 TO 2 FEET. WAVE DETAIL: NORTH 2 FEET AT 5 SECONDS.
A SLIGHT CHANCE OF SHOWERS.
TUESDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS, BECOMING
EAST AFTER MIDNIGHT. SEAS AROUND 1 FOOT. A SLIGHT CHANCE OF
SHOWERS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS INCREASING TO NEAR 10
KNOTS. SEAS AROUND 1 FOOT.
THURSDAY
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT.
THURSDAY NIGHT
NORTHEAST WINDS NEAR 5 KNOTS, BECOMING EAST TO
SOUTHEAST AFTER MIDNIGHT. SEAS AROUND 1 FOOT.
FRIDAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
FRIDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS, BECOMING
SOUTHEAST AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. A SLIGHT CHANCE OF
SHOWERS.
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