539
FZUS52 KKEY 090236
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1036 PM EDT SAT AUG 8 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.
THE WAVE DETAIL SECTION HIGHLIGHTS THE PERIOD AND DIRECTION OF
ORIGIN FOR THE HIGHEST-ENERGY WAVES, AS WELL AS ANY LONG-PERIOD
SWELLS MOVING IN A DIFFERENT DIRECTION THAN THE WIND.
GMZ005-091445-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1036 PM EDT SAT AUG 8 2026
SYNOPSIS
AN ATLANTIC HIGH OFF THE MID ATLANTIC COAST WILL
EXTEND A RIDGE ACROSS NORTHERN FLORIDA AND THE GULF COAST INTO
NEXT WEEK. THIS WILL MAINTAIN GENTLE TO MODERATE MOSTLY EASTERLY
BREEZES ON OUR WATERS. EXPECT SIZABLE SWINGS IN WIND SPEEDS,
LULLING DURING THE DAY AND PEAKING OVERNIGHT. PERIODIC CAUTIONS
CANNOT BE RULED OUT FOR PORTIONS OF OUR WATERS EARLY NEXT WEEK.
SHOWER AND THUNDER CHANCES WILL BE NEAR TO BELOW NORMAL THROUGH
THE DURATION.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF
AUGUST 7, 2026...
25 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
15 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
19 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
29 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
16 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
4 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
2 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
1 NM SOUTHEAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.
GULF STREAM INFORMATION COURTESY OF THE NATIONAL WEATHER SERVICE IN
KEY WEST, USING DATA FROM RTOFS AND NASA SPORT SST.
GMZ031-091445-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1036 PM EDT SAT AUG 8 2026
OVERNIGHT
EAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS NEAR 15 KNOTS. BAY WATERS A MODERATE
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT
CHOP.
WEDNESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
THURSDAY NIGHT
EAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT
CHOP.
GMZ032-035-091445-
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-
1036 PM EDT SAT AUG 8 2026
OVERNIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 1 TO
2 FEET, EXCEPT 2 TO 3 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS A MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET, EXCEPT 2 TO 3 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS A LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
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 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
THURSDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP.
GMZ042>044-091445-
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-
1036 PM EDT SAT AUG 8 2026
OVERNIGHT
EAST WINDS NEAR 10 KNOTS, INCREASING TO NEAR
15 KNOTS LATE THIS EVENING AND OVERNIGHT. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A LIGHT CHOP, BECOMING A MODERATE CHOP LATE THIS
EVENING AND OVERNIGHT. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
WEDNESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
1 TO 2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
THURSDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP.
GMZ052>055-072>075-091445-
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-
1036 PM EDT SAT AUG 8 2026
OVERNIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: EAST 3 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: EAST TO SOUTHEAST 3 FEET AT 5 SECONDS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT 5 SECONDS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
THURSDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
THURSDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET. A SLIGHT CHANCE OF SHOWERS.
GMZ033-034-091445-
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-
1036 PM EDT SAT AUG 8 2026
OVERNIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. WAVE DETAIL: EAST 2 FEET AT 3 SECONDS. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 4 SECONDS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO
3 FEET. WAVE DETAIL: EAST TO SOUTHEAST 3 FEET AT 4 SECONDS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING 5 TO
10 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET.
WEDNESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET.
THURSDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A
SLIGHT CHANCE OF SHOWERS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page