506
FZUS52 KKEY 271433
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1033 AM EDT MON JUL 27 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.
GMZ005-280245-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1033 AM EDT MON JUL 27 2026
SYNOPSIS
TROUGHING JUST OFF THE EASTERN SEABOARD WILL REMAIN
FOR THE NEXT DAY OR SO BEFORE ANOTHER TROUGH SWINGING
SOUTHEASTWARD THROUGH THE GREAT LAKES AND INTO THE NORTHEAST
REINFORCES THE TROUGH ACROSS THE EAST COAST. AT THE SURFACE, THIS
WILL RESULT IN A FRONTAL BOUNDARY REMAINING DRAPED ACROSS
NORTHERN FLORIDA/GEORGIA FOR MUCH OF THIS WEEK. INITIALLY, EXPECT
WEST TO NORTHWEST LIGHT TO GENTLE BREEZES BEFORE SHIFTING TO THE
SOUTHWEST TO WEST BY TUESDAY. BREEZES WILL BECOME GENTLE TO
MODERATE TOWARDS MID WEEK BEFORE SLACKENING BACK TO LIGHT TO
GENTLE BY LATE WEEK.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF
JULY 26, 2026...
40 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
49 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
44 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
28 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
4 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
3 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
1 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.
GMZ031-280245-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1033 AM EDT MON JUL 27 2026
THIS AFTERNOON
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING
SOUTHWEST TO WEST. BAY WATERS SMOOTH TO A LIGHT CHOP. BAY WATERS
ROUGH AND WINDS HIGHER IN AND AROUND SHOWERS LIKELY WITH A CHANCE
OF THUNDERSTORMS.
TONIGHT
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. BAY WATERS ROUGH AND WINDS HIGHER IN AND
AROUND SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
TUESDAY
SOUTHWEST TO WEST WINDS NEAR 10 KNOTS, INCREASING TO 10
TO 15 KNOTS. BAY WATERS A LIGHT CHOP, BECOMING A LIGHT TO
MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
SOUTHWEST TO WEST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST TO
WEST. BAY WATERS A LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTHWEST TO WEST WINDS 10 TO 15 KNOTS,
DECREASING TO NEAR 10 KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP,
BECOMING A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY
SOUTHWEST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT
CHOP. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP.
FRIDAY
SOUTH TO SOUTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
FRIDAY NIGHT
SOUTHWEST TO WEST WINDS NEAR 5 KNOTS, BECOMING
EAST TO SOUTHEAST AFTER MIDNIGHT. BAY WATERS SMOOTH.
GMZ032-035-280245-
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-
1033 AM EDT MON JUL 27 2026
THIS AFTERNOON
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. WINDS AND
SEAS HIGHER IN AND AROUND SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
TONIGHT
WEST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. WINDS AND SEAS HIGHER IN
AND AROUND A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
SOUTHWEST TO WEST WINDS NEAR 10 KNOTS, INCREASING TO 10
TO 15 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP,
BECOMING A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
SOUTHWEST TO WEST WINDS NEAR 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS.
WEDNESDAY
SOUTHWEST TO WEST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTHWEST TO WEST WINDS NEAR 10 KNOTS. SEAS
1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
THURSDAY
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
SOUTHWEST TO WEST WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH.
FRIDAY
SOUTH TO SOUTHWEST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH.
FRIDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS, BECOMING
EAST TO SOUTHEAST AROUND 5 KNOTS AFTER MIDNIGHT. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH.
GMZ042>044-280245-
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-
1033 AM EDT MON JUL 27 2026
THIS AFTERNOON
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. WINDS AND
SEAS HIGHER IN AND AROUND SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
TONIGHT
WEST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. WINDS AND SEAS HIGHER IN
AND AROUND A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
SOUTHWEST TO WEST WINDS NEAR 10 KNOTS, INCREASING TO
10 TO 15 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP,
BECOMING A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
SOUTHWEST TO WEST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
SOUTHWEST TO WEST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTHWEST TO WEST WINDS NEAR 10 KNOTS,
DECREASING TO 5 TO 10 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS
A LIGHT CHOP, BECOMING SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
THURSDAY
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE
OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING
SOUTH AFTER MIDNIGHT. SEAS 1 FOOT OR LESS. NEARSHORE WATERS
SMOOTH TO A LIGHT CHOP, BECOMING SMOOTH.
FRIDAY
SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH.
FRIDAY NIGHT
NORTHEAST WINDS NEAR 5 KNOTS, BECOMING EAST TO
SOUTHEAST AFTER MIDNIGHT. SEAS AROUND 1 FOOT. NEARSHORE WATERS
SMOOTH.
GMZ052>055-072>075-280245-
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-
1033 AM EDT MON JUL 27 2026
THIS AFTERNOON
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1
TO 2 FEET. WAVE DETAIL: NORTHWEST 1 FOOT AT 2 SECONDS. WINDS AND
SEAS HIGHER IN AND AROUND SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
TONIGHT
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTHWEST TO WEST.
SEAS 1 TO 2 FEET. WAVE DETAIL: WEST 1 FOOT AT 2 SECONDS. WINDS
AND SEAS HIGHER IN AND AROUND A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS, INCREASING TO 10
TO 15 KNOTS. SEAS 1 TO 2 FEET, BUILDING TO 2 TO 3 FEET. WAVE
DETAIL: WEST 1 FOOT AT 3 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY NIGHT
SOUTHWEST TO WEST WINDS 10 TO 15 KNOTS, BECOMING
SOUTHWEST AND DECREASING TO NEAR 10 KNOTS. SEAS 2 TO 3 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST TO
WEST AND DECREASING TO 5 TO 10 KNOTS. SEAS 2 TO 3 FEET, SUBSIDING
TO 1 TO 2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
WEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH TO
SOUTHWEST AFTER MIDNIGHT. SEAS 1 TO 2 FEET. A SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS.
THURSDAY
SOUTH TO SOUTHWEST WINDS NEAR 5 KNOTS. SEAS AROUND
1 FOOT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
NORTH TO NORTHEAST WINDS NEAR 5 KNOTS, BECOMING
SOUTHEAST AROUND 5 KNOTS AFTER MIDNIGHT. SEAS AROUND 1 FOOT.
FRIDAY
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 TO 2 FEET.
FRIDAY NIGHT
EAST WINDS NEAR 5 KNOTS. SEAS 1 TO 2 FEET.
GMZ033-034-280245-
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-
1033 AM EDT MON JUL 27 2026
THIS AFTERNOON
NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING WEST TO
NORTHWEST. SEAS 1 TO 2 FEET. WAVE DETAIL: NORTHWEST 2 FEET AT 4
SECONDS. WINDS AND SEAS HIGHER IN AND AROUND A CHANCE OF SHOWERS
AND THUNDERSTORMS.
TONIGHT
WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. WAVE
DETAIL: NORTHWEST 2 FEET AT 4 SECONDS. WINDS AND SEAS HIGHER IN
AND AROUND A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
SOUTHWEST TO WEST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET. WAVE DETAIL: NORTHWEST 2 FEET AT 5 SECONDS. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
SOUTHWEST TO WEST WINDS NEAR 10 KNOTS. SEAS
AROUND 2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
SOUTHWEST TO WEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
SOUTHWEST TO WEST WINDS 10 TO 15 KNOTS,
DECREASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET,
SUBSIDING TO 1 TO 2 FEET. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY
SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
WEST TO NORTHWEST WINDS 5 TO 10 KNOTS, BECOMING
SOUTHWEST TO WEST AFTER MIDNIGHT. SEAS 1 TO 2 FEET.
FRIDAY
SOUTHWEST WINDS NEAR 5 KNOTS. SEAS 1 TO 2 FEET.
FRIDAY NIGHT
NORTHWEST TO NORTH WINDS NEAR 5 KNOTS, BECOMING
SOUTHEAST TO SOUTH AROUND 5 KNOTS AFTER MIDNIGHT. SEAS 1 TO 2
FEET.
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