843
FZUS52 KKEY 010837
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
437 AM EDT FRI MAY 1 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.
GMZ005-012045-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
437 AM EDT FRI MAY 1 2026
SYNOPSIS
HIGH PRESSURE WILL CONTINUE TO RETREAT INTO THE
ATLANTIC TODAY, KEEPING BREEZES PREDOMINANTLY LIGHT
SOUTHEASTERLY. ANOTHER WEAK LOW WILL PUSH ACROSS NORTHERN FLORIDA
TONIGHT INTO SATURDAY, LIKELY SUPPORTING A SHORT STRETCH OF
MODERATE SOUTHEAST TO SOUTHERLY BREEZES. WINDS SHOULD SLACKEN
AGAIN LATER IN THE WEEKEND AS THE PRESSURE GRADIENT FLATTENS. A
WEAK DISTURBANCE IN THE GULF COUPLED WITH INCREASED MOISTURE WILL
SUPPORT ELEVATED RAIN AND THUNDER CHANCES FOR LATE IN THE WEEKEND
AND INTO EARLY NEXT WEEK.
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.
GMZ031-012045-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
437 AM EDT FRI MAY 1 2026
TODAY
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTH 5 TO 10
KNOTS. BAY WATERS SMOOTH, BECOMING SMOOTH TO A LIGHT CHOP.
TONIGHT
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS, INCREASING TO
NEAR 15 KNOTS AFTER MIDNIGHT. BAY WATERS SMOOTH TO A LIGHT CHOP,
BECOMING A MODERATE CHOP.
SATURDAY
SOUTH WINDS NEAR 15 KNOTS, BECOMING SOUTHWEST 10 TO
15 KNOTS. BAY WATERS A MODERATE CHOP, BECOMING A LIGHT TO MODERATE
CHOP.
SATURDAY NIGHT
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING NORTHWEST NEAR 10
KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT CHOP.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
MONDAY
NORTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT CHOP.
A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A
LIGHT CHOP.
GMZ032-035-012045-
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-
437 AM EDT FRI MAY 1 2026
TODAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH CHOP.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST TO
SOUTH NEAR 15 KNOTS AFTER MIDNIGHT. SEAS BUILDING TO AROUND 1
FOOT, EXCEPT BUILDING TO 2 TO 3 FEET WEST OF THE MARQUESAS KEYS.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A MODERATE
CHOP.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTH TO
SOUTHWEST NEAR 10 KNOTS IN THE AFTERNOON. SEAS SUBSIDING TO
AROUND 1 FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP, BECOMING
A LIGHT CHOP.
SATURDAY NIGHT
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING
SOUTH TO SOUTHWEST AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP, BECOMING SMOOTH. A CHANCE OF
SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING NORTHWEST NEAR 10
KNOTS. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP, BECOMING A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS,
DECREASING TO NEAR 10 KNOTS. SEAS 1 TO 2 FEET, EXCEPT 2 TO 3 FEET
WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP, BECOMING A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
GMZ042>044-012045-
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-
437 AM EDT FRI MAY 1 2026
TODAY
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST TO SOUTH
5 TO 10 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A
LIGHT CHOP.
TONIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST TO
SOUTH NEAR 15 KNOTS AFTER MIDNIGHT. SEAS BUILDING TO AROUND 2
FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A
MODERATE CHOP.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTH TO
SOUTHWEST NEAR 10 KNOTS KNOTS IN THE AFTERNOON. SEAS SUBSIDING TO
1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP, BECOMING
A LIGHT CHOP.
SATURDAY NIGHT
WEST WINDS NEAR 5 KNOTS, BECOMING SOUTH TO
SOUTHWEST AFTER MIDNIGHT. SEAS AROUND 1 FOOT. NEARSHORE WATERS
SMOOTH. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS, BECOMING NORTHWEST TO NORTH
NEAR 10 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A
LIGHT CHOP, BECOMING A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS,
DECREASING TO NEAR 10 KNOTS. SEAS 1 TO 2 FEET, EXCEPT 2 TO 3 FEET
WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP, BECOMING A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A LIGHT CHOP. A CHANCE OF SHOWERS WITH A SLIGHT
CHANCE OF THUNDERSTORMS.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE
OF SHOWERS.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
GMZ052>055-072>075-012045-
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-
437 AM EDT FRI MAY 1 2026
TODAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. WAVE DETAIL: EAST TO SOUTHEAST 1 FOOT AT 3 SECONDS.
TONIGHT
SOUTHEAST WINDS NEAR 10 KNOTS, INCREASING TO NEAR 15
KNOTS. SEAS BUILDING TO 2 TO 3 FEET. WAVE DETAIL: EAST TO
SOUTHEAST 2 FEET AT 4 SECONDS.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS, DECREASING TO 5 TO 10
KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET, SUBSIDING TO 1 TO 2
FEET. WAVE DETAIL: SOUTHEAST TO SOUTH 2 FEET AT 4 SECONDS.
SATURDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTH
TO SOUTHWEST AFTER MIDNIGHT. SEAS 1 TO 2 FEET. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS, BECOMING
NORTHWEST NEAR 10 KNOTS IN THE AFTERNOON. SEAS AROUND 1 FOOT,
EXCEPT BUILDING TO 1 TO 3 FEET WEST OF REBECCA SHOAL. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS,
DECREASING TO NEAR 10 KNOTS. SEAS 2 TO 4 FEET. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
MONDAY
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF THUNDERSTORMS.
MONDAY NIGHT AND TUESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3
FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST.
SEAS 1 TO 2 FEET. A SLIGHT CHANCE OF SHOWERS.
GMZ033-034-012045-
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-
437 AM EDT FRI MAY 1 2026
TODAY
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR
LESS.
TONIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS, BECOMING
SOUTHEAST TO SOUTH 10 TO 15 KNOTS AFTER MIDNIGHT. SEAS BUILDING
TO 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST TO SOUTH 2 FEET AT 3
SECONDS.
SATURDAY
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTH TO
SOUTHWEST NEAR 10 KNOTS IN THE AFTERNOON. SEAS 1 TO 2 FEET. WAVE
DETAIL: SOUTH TO SOUTHWEST 2 FEET AT 4 SECONDS.
SATURDAY NIGHT
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. SEAS
1 TO 2 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF
THUNDERSTORMS.
SUNDAY
NORTHWEST TO NORTH WINDS NEAR 10 KNOTS. SEAS BUILDING TO 2
TO 3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
NORTHEAST WINDS 10 TO 15 KNOTS, DECREASING TO NEAR 10
KNOTS. SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE
OF THUNDERSTORMS.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS
AROUND 1 FOOT.
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