105
FZUS52 KKEY 300231
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1031 PM EDT WED APR 29 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.
GMZ005-301445-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1031 PM EDT WED APR 29 2026
SYNOPSIS
HIGH PRESSURE WILL ALLOW FOR LIGHT AND VARIABLE
BREEZES TO EVENTUALLY ASSUME A SOUTHEASTERLY DIRECTION DURING THE
OVERNIGHT HOURS. A WEAK LOW PRESSURE SYSTEM SWINGING OFF THE
SOUTHEAST COAST ON THURSDAY WILL SLACKEN LOCAL BREEZES FURTHER AND
INTRODUCE VARIABLE DIRECTION. ANOTHER WEAK LOW WILL PUSH ACROSS
FLORIDA LATE THIS WEEK AND INTO THE WEEKEND, LIKELY SUPPORTING A
PERIOD OF GENTLE TO MODERATE SOUTHEASTERLY BREEZES. WINDS SHOULD
SLACKEN AGAIN LATER IN THE WEEKEND AS THE PRESSURE GRADIENT
WEAKENS. A WEAK DISTURBANCE IN THE GULF COUPLED WITH INCREASED
MOISTURE WILL SUPPORTED ELEVATED RAIN AND THUNDER CHANCES FOR LATE
IN THE WEEKEND AND INTO EARLY NET 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.
GMZ031-301445-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1031 PM EDT WED APR 29 2026
OVERNIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST TO
SOUTH. BAY WATERS SMOOTH.
THURSDAY
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS, BECOMING SOUTH
NEAR 10 KNOTS. BAY WATERS SMOOTH, BECOMING A LIGHT CHOP.
THURSDAY NIGHT
SOUTH TO SOUTHWEST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP.
FRIDAY
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
FRIDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST
TO SOUTH 10 TO 15 KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP,
BECOMING A LIGHT TO MODERATE CHOP.
SATURDAY
SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS, BECOMING
SOUTHWEST NEAR 10 KNOTS. BAY WATERS A MODERATE CHOP, BECOMING A
LIGHT CHOP.
SATURDAY NIGHT
SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
NORTHWEST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT
CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
MONDAY
WEST TO NORTHWEST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ032-035-301445-
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-
1031 PM EDT WED APR 29 2026
OVERNIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST.
SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
THURSDAY
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS, BECOMING
VARIABLE. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP.
THURSDAY NIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST.
SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
FRIDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING
SOUTHEAST TO SOUTH 10 TO 15 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT TO MODERATE CHOP.
SATURDAY
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS, BECOMING
SOUTHWEST NEAR 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A
LIGHT TO MODERATE CHOP, BECOMING A LIGHT CHOP.
SATURDAY NIGHT
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTH TO
SOUTHWEST. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
MONDAY
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET, EXCEPT AROUND 2 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY NIGHT
NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET,
EXCEPT AROUND 2 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ042>044-301445-
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-
1031 PM EDT WED APR 29 2026
OVERNIGHT
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
THURSDAY
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS, BECOMING
VARIABLE. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP.
THURSDAY NIGHT
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING
SOUTHEAST TO SOUTH. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH
TO A LIGHT CHOP, BECOMING SMOOTH.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
FRIDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING
SOUTHEAST TO SOUTH 10 TO 15 KNOTS. SEAS AROUND 1 FOOT, BUILDING
TO 2 TO 3 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING
A LIGHT TO MODERATE CHOP.
SATURDAY
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS, BECOMING
SOUTHWEST NEAR 10 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING TO AROUND 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP, BECOMING A LIGHT
CHOP.
SATURDAY NIGHT
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTH TO
SOUTHWEST. SEAS 1 TO 2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING WEST TO
NORTHWEST. SEAS 1 TO 2 FEET, SUBSIDING TO AROUND 1 FOOT.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT CHOP. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
MONDAY
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET, EXCEPT
2 TO 3 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS A
LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET, EXCEPT 2 TO 3 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
GMZ052>055-072>075-301445-
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-
1031 PM EDT WED APR 29 2026
OVERNIGHT
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET. WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 4 SECONDS.
THURSDAY
SOUTHEAST WINDS 5 TO 10 KNOTS, BECOMING VARIABLE.
SEAS 1 TO 2 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 4 SECONDS.
THURSDAY NIGHT
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING
SOUTHEAST AFTER MIDNIGHT. SEAS 1 TO 2 FEET. WAVE DETAIL: EAST 2
FEET AT 4 SECONDS.
FRIDAY
SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
FRIDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING
SOUTHEAST TO SOUTH AFTER MIDNIGHT. SEAS 2 TO 3 FEET.
SATURDAY
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS, BECOMING
VARIABLE NEAR 10 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY NIGHT
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTH TO
SOUTHWEST. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING WEST TO
NORTHWEST. SEAS 2 TO 3 FEET. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
MONDAY
NORTHWEST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO
3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ033-034-301445-
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-
1031 PM EDT WED APR 29 2026
OVERNIGHT
VARIABLE WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT.
WAVE DETAIL: EAST 1 FOOT AT 3 SECONDS. A SLIGHT CHANCE OF SHOWERS.
THURSDAY
SOUTHEAST WINDS NEAR 5 KNOTS, BECOMING VARIABLE. SEAS
1 FOOT OR LESS.
THURSDAY NIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING EAST TO
SOUTHEAST. SEAS 1 FOOT OR LESS.
FRIDAY
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
FRIDAY NIGHT
SOUTHEAST WINDS INCREASING TO NEAR 10 KNOTS. SEAS
BUILDING TO 1 TO 2 FEET.
SATURDAY
SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS, BECOMING
SOUTH TO SOUTHWEST NEAR 10 KNOTS. SEAS 2 TO 3 FEET.
SATURDAY NIGHT
VARIABLE WINDS 5 TO 10 KNOTS, BECOMING SOUTH TO
SOUTHWEST. SEAS 1 TO 2 FEET. NEARSHORE 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 10 TO
15 KNOTS IN THE AFTERNOON. SEAS 1 TO 2 FEET, BUILDING TO 2 TO 3
FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF THUNDERSTORMS. A CHANCE OF SHOWERS.
MONDAY
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING
TO AROUND 2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
DP/BT/11
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page