628
FZUS52 KKEY 060303
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1103 PM EDT SAT SEP 5 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.
GMZ005-061515-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1103 PM EDT SAT SEP 5 2026
SYNOPSIS
LIGHT TO GENTLE SOUTHEAST BREEZES WILL PREVAIL THROUGH MID WEEK,
AS WEAK STEERING FLOW PERSISTS ACROSS THE REGION. THEREAFTER,
BREEZES WILL FRESHEN TO GENTLE TO MODERATE, AS HIGH PRESSURE
BUILDS IN. WAVES OF LOW-LEVEL MOISTURE PUSHING ACROSS THE KEYS
WILL SUPPORT ELEVATED RAIN AND THUNDER CHANCES THROUGH SUNDAY,
POSSIBLY RETURNING TO NEAR NORMAL BY MID WEEK.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF SEPTEMBER 2, 2026...
34 NM SOUTH-SOUTHWEST OF DRY TORTUGAS LIGHT, ON LOGGERHEAD KEY
34 NM SOUTH-SOUTHEAST OF COSGROVE SHOAL LIGHT, OFF THE MARQUESAS KEYS
26 NM SOUTH-SOUTHEAST OF SAND KEY LIGHT, OFF KEY WEST
21 NM SOUTH-SOUTHEAST OF LOOE KEY, OFF BIG PINE KEY
17 NM SOUTHEAST OF SOMBRERO KEY LIGHT, OFF MARATHON
10 NM SOUTHEAST OF ALLIGATOR REEF LIGHT, OFF ISLAMORADA
6 NM EAST-SOUTHEAST OF MOLASSES REEF LIGHT, OFF KEY LARGO
1 NM EAST-SOUTHEAST OF CARYSFORT REEF LIGHT, OFF OCEAN REEF
THIS DATA COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.
GMZ031-061515-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1103 PM EDT SAT SEP 5 2026
OVERNIGHT
NORTHEAST TO EAST WINDS NEAR 5 KNOTS, BECOMING EAST
TO SOUTHEAST. BAY WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY
SOUTH WINDS NEAR 5 KNOTS. BAY WATERS SMOOTH. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTH WINDS NEAR 5 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
SOUTH TO SOUTHWEST WINDS NEAR 5 KNOTS. BAY WATERS
SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. BAY WATERS
SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
SOUTHEAST WINDS NEAR 5 KNOTS. BAY WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. BAY
WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY
EAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT CHOP. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. BAY
WATERS SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ032-035-061515-
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-
1103 PM EDT SAT SEP 5 2026
OVERNIGHT
NORTHEAST TO EAST WINDS NEAR 5 KNOTS, BECOMING EAST
TO SOUTHEAST. SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS, BECOMING
SOUTHWEST AROUND 5 KNOTS. SEAS 1 FOOT OR LESS. NEARSHORE WATERS
SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH TO 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. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY NIGHT
EAST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
GMZ042>044-061515-
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-
1103 PM EDT SAT SEP 5 2026
OVERNIGHT
EAST WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY
SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
MONDAY
SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
TUESDAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
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.
WEDNESDAY
EAST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT CHOP. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
WEDNESDAY 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.
THURSDAY
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.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
GMZ052>055-072>075-061515-
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-
1103 PM EDT SAT SEP 5 2026
OVERNIGHT
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST. SEAS
1 TO 2 FEET. WAVE DETAIL: EAST 1 FOOT AT 4 SECONDS. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT. WAVE
DETAIL: EAST TO SOUTHEAST 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
WAVE DETAIL: EAST TO SOUTHEAST 1 FOOT AT 3 SECONDS. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
MONDAY
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. SEAS AROUND 1
FOOT. A CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY
EAST TO SOUTHEAST WINDS NEAR 5 KNOTS. SEAS AROUND
1 FOOT. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. A
CHANCE OF THUNDERSTORMS WITH A SLIGHT CHANCE OF SHOWERS.
WEDNESDAY
EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET. A SLIGHT
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
GMZ033-034-061515-
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-
1103 PM EDT SAT SEP 5 2026
OVERNIGHT
EAST WINDS NEAR 5 KNOTS, BECOMING SOUTHEAST AROUND
5 KNOTS. SEAS 1 FOOT OR LESS. A CHANCE OF SHOWERS AND
THUNDERSTORMS.
SUNDAY
SOUTHEAST WINDS NEAR 5 KNOTS, BECOMING SOUTHWEST TO
WEST. SEAS 1 FOOT OR LESS. A CHANCE OF SHOWERS AND THUNDERSTORMS.
SUNDAY NIGHT
SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
MONDAY
SOUTH WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS. A CHANCE
OF SHOWERS AND THUNDERSTORMS.
MONDAY NIGHT
SOUTHEAST TO SOUTH WINDS NEAR 5 KNOTS. SEAS
1 FOOT OR LESS, THEN 1 FOOT OR LESS AFTER MIDNIGHT. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
TUESDAY
SOUTHEAST WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
TUESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
WEDNESDAY NIGHT
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
A CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
THURSDAY NIGHT
EAST WINDS NEAR 5 KNOTS. SEAS AROUND 1 FOOT. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
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