942
FZUS52 KKEY 300242
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1042 PM EDT SAT AUG 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.
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.
GMZ005-301445-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1042 PM EDT SAT AUG 29 2026
SYNOPSIS
THE WESTERN PERIPHERY OF AN ATLANTIC HIGH IS EXPECTED TO MAINTAIN
CONTROL OF THE KEYS FOR THE NEXT SEVERAL DAYS. THIS WILL CONTINUE
TO PROMOTE PEAKING AND LULLING BREEZES. THE DIRECTION WILL ALSO
SHIFT OVER THE COMING DAYS WITH EAST TO SOUTHEASTERLY BREEZES
OVERNIGHT AND IN THE MORNING WITH NORTHEAST TO EAST BREEZES LATE
AFTERNOON AND EVENING. IN ADDITION, THE OVERALL FLOW WILL KEEP
DEEP MOISTURE IN PLACE ACROSS THE REGION WITH DAILY CHANCES OF
SHOWERS AND THUNDERSTORMS. LOCALLY HAZARDOUS WINDS AND SEAS ARE
EXPECTED IN THE VICINITY OF THUNDERSTORM ACTIVITY.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF AUGUST 26,
2026...
32 NM SOUTH OF DRY TORTUGAS LIGHT, ON LOGGERHEAD KEY
9 NM SOUTH-SOUTHEAST OF COSGROVE SHOAL LIGHT, OFF THE MARQUESAS KEYS
7 NM SOUTH-SOUTHEAST OF SAND KEY LIGHT, OFF KEY WEST
6 NM SOUTH-SOUTHEAST OF LOOE KEY, OFF BIG PINE KEY
7 NM SOUTH-SOUTHEAST OF SOMBRERO KEY LIGHT, OFF MARATHON
4 NM SOUTHEAST OF ALLIGATOR REEF LIGHT, OFF ISLAMORADA
1 NM WEST-NORTHWEST OF MOLASSES REEF LIGHT, OFF KEY LARGO
1 NM EAST-SOUTHEAST OF CARYSFORT REEF LIGHT, OFF OCEAN REEF
GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC
OFFICE.
GMZ031-301445-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1042 PM EDT SAT AUG 29 2026
OVERNIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS, BECOMING
EAST. BAY WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A LIGHT
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
EAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT CHOP.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT
CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A
LIGHT CHOP. SHOWERS AND THUNDERSTORMS LIKELY.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT
TO MODERATE CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. SHOWERS AND THUNDERSTORMS LIKELY.
THURSDAY NIGHT
SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
GMZ032-035-301445-
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-
1042 PM EDT SAT AUG 29 2026
OVERNIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS, BECOMING EAST.
SEAS AROUND 1 FOOT, BUILDING TO 1 TO 2 FEET. NEARSHORE WATERS A
LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS SUBSIDING TO 1
FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
EAST WINDS 5 TO 10 KNOTS. SEAS SUBSIDING TO 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS
AND THUNDERSTORMS.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS
1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SHOWERS AND
THUNDERSTORMS LIKELY.
WEDNESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
THURSDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SHOWERS AND
THUNDERSTORMS LIKELY.
THURSDAY NIGHT
EAST WINDS NEAR 10 KNOTS, BECOMING SOUTHEAST TO
SOUTH. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP. SHOWERS
LIKELY WITH A CHANCE OF 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-
1042 PM EDT SAT AUG 29 2026
OVERNIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS, BECOMING EAST.
SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST 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
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A CHANCE OF SHOWERS
AND THUNDERSTORMS.
MONDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS NEAR 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A MODERATE CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE
WATERS A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SHOWERS AND
THUNDERSTORMS LIKELY.
WEDNESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP. SHOWERS LIKELY WITH A CHANCE OF
THUNDERSTORMS.
THURSDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP. SHOWERS AND THUNDERSTORMS LIKELY.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT
CHOP. SHOWERS LIKELY WITH A CHANCE OF 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-
1042 PM EDT SAT AUG 29 2026
OVERNIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS, BECOMING EAST.
SEAS 2 TO 3 FEET. WAVE DETAIL: EAST 3 FEET AT 4 SECONDS. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
SUNDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE
DETAIL: EAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE
DETAIL: NORTHEAST TO EAST 2 FEET AT 5 SECONDS. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
MONDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS AROUND 2 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
THURSDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. SHOWERS LIKELY WITH A CHANCE OF 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-
1042 PM EDT SAT AUG 29 2026
OVERNIGHT
NORTHEAST TO EAST WINDS NEAR 10 KNOTS, BECOMING EAST
TO SOUTHEAST AND INCREASING TO 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 4 SECONDS. SHOWERS LIKELY
WITH A CHANCE OF THUNDERSTORMS.
SUNDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 4 SECONDS.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
SUNDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET. WAVE
DETAIL: EAST TO SOUTHEAST 2 FEET AT 3 SECONDS. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
MONDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. SHOWERS
LIKELY WITH A CHANCE OF THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
SHOWERS AND THUNDERSTORMS LIKELY.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
SHOWERS AND THUNDERSTORMS LIKELY.
THURSDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
THUNDERSTORMS LIKELY. SHOWERS.
THURSDAY NIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST.
SEAS 1 TO 2 FEET. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.
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