807
FZUS52 KKEY 101434
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1034 AM EDT FRI APR 10 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.
GMZ005-110245-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1034 AM EDT FRI APR 10 2026
SYNOPSIS
FRESH TO STRONG BREEZES WILL PERSIST ACROSS ALL
FLORIDA KEYS COASTAL WATERS THROUGH TONIGHT. A SMALL CRAFT
ADVISORY IS IN PLACE. THERE IS HIGH CONFIDENCE BREEZES WILL NOT
BEGIN TO SLACKEN TO MODERATE TO FRESH UNTIL AT LEAST TUESDAY.
DRIER AIR WILL GRADUALLY MOVE TOWARDS THE FLORIDA KEYS, SO
OCCASIONAL SHALLOW SHOWERS WILL LINGER THROUGH TONIGHT.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF APRIL
4...
19 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
23 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
33 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
39 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
23 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
15 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
10 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.
GMZ031-110245-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1034 AM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT
THIS AFTERNOON
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. BAY
WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. BAY WATERS
ROUGH. A SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. BAY WATERS
ROUGH. A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. BAY
WATERS ROUGH.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. BAY WATERS VERY
ROUGH.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. BAY
WATERS VERY ROUGH.
MONDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. BAY WATERS VERY
ROUGH.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS, DECREASING
TO NEAR 20 KNOTS. BAY WATERS VERY ROUGH, BECOMING ROUGH.
TUESDAY
EAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.
GMZ032-035-110245-
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-
1034 AM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT
THIS AFTERNOON
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 2
TO 4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS ROUGH. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY
TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS ROUGH. A
SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY
TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS ROUGH. A
SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS
2 TO 4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET,
OCCASIONALLY TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS ROUGH.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY
TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY
ROUGH.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY
TO 6 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY
ROUGH.
MONDAY
EAST WINDS 20 TO 25 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 6 FEET, OCCASIONALLY TO
8 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
MONDAY NIGHT
EAST WINDS 20 TO 25 KNOTS, DECREASING TO NEAR 20
KNOTS. SEAS 2 TO 4 FEET, OCCASIONALLY TO 5 FEET, EXCEPT 4 TO 6
FEET, OCCASIONALLY TO 8 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE
WATERS VERY ROUGH, BECOMING ROUGH.
TUESDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET, EXCEPT 3
TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF THE MARQUESAS KEYS.
NEARSHORE WATERS CHOPPY.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET, EXCEPT
3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF THE MARQUESAS KEYS.
NEARSHORE WATERS CHOPPY.
GMZ042>044-110245-
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-
1034 AM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT
THIS AFTERNOON
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 3
TO 5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE WATERS ROUGH. A
SLIGHT CHANCE OF SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS ROUGH. A SLIGHT
CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS ROUGH. A SLIGHT
CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS
3 TO 4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS ROUGH.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE WATERS VERY ROUGH.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE WATERS VERY ROUGH.
MONDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET, EXCEPT 4 TO 6 FEET, OCCASIONALLY
TO 8 FEET WEST OF COSGROVE SHOAL LIGHT. NEARSHORE WATERS VERY
ROUGH.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS, DECREASING
TO NEAR 20 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET,
EXCEPT 5 TO 6 FEET, OCCASIONALLY TO 8 FEET WEST OF COSGROVE SHOAL
LIGHT. NEARSHORE WATERS VERY ROUGH, BECOMING ROUGH.
TUESDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. NEARSHORE WATERS CHOPPY.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET. NEARSHORE WATERS CHOPPY.
GMZ052>055-072>075-110245-
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-
1034 AM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT
THIS AFTERNOON
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 6
TO 7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST TO EAST
7 FEET AT 7 SECONDS. A CHANCE OF SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST TO EAST
7 FEET AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: NORTHEAST TO EAST
7 FEET AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS
6 TO 7 FEET, OCCASIONALLY TO 9 FEET. A SLIGHT CHANCE OF SHOWERS.
SUNDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 6 TO
8 FEET, OCCASIONALLY TO 10 FEET.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
9 FEET, OCCASIONALLY TO 11 FEET.
MONDAY
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
9 FEET, OCCASIONALLY TO 11 FEET.
MONDAY NIGHT
NORTHEAST TO EAST WINDS 20 TO 25 KNOTS, DECREASING
TO NEAR 20 KNOTS. SEAS 6 TO 9 FEET, OCCASIONALLY TO 11 FEET.
TUESDAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS 5 TO
7 FEET, OCCASIONALLY TO 9 FEET.
TUESDAY NIGHT
EAST WINDS NEAR 20 KNOTS. SEAS 5 TO 7 FEET,
OCCASIONALLY TO 9 FEET.
GMZ033-034-110245-
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-
1034 AM EDT FRI APR 10 2026
..SMALL CRAFT ADVISORY IN EFFECT
THIS AFTERNOON
NORTHEAST TO EAST WINDS NEAR 20 KNOTS,
DECREASING TO 15 TO 20 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8
FEET. WAVE DETAIL: NORTHEAST TO EAST 5 FEET AT 5 SECONDS. A SLIGHT
CHANCE OF SHOWERS.
TONIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 3 TO 5
FEET, OCCASIONALLY TO 6 FEET. WAVE DETAIL: NORTHEAST TO EAST 4
FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS.
SATURDAY
NORTHEAST TO EAST WINDS NEAR 20 KNOTS, DECREASING TO 15
TO 20 KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. WAVE
DETAIL: NORTHEAST TO EAST 4 FEET AT 4 SECONDS.
SATURDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 3
TO 5 FEET, OCCASIONALLY TO 6 FEET.
SUNDAY
NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
5 FEET, OCCASIONALLY TO 6 FEET.
SUNDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 20 KNOTS. SEAS 4 TO
5 FEET, OCCASIONALLY TO 6 FEET.
MONDAY
EAST WINDS NEAR 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
MONDAY NIGHT
EAST WINDS NEAR 20 KNOTS. SEAS 4 TO 6 FEET,
OCCASIONALLY TO 8 FEET.
TUESDAY
EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET,
OCCASIONALLY TO 6 FEET.
TUESDAY NIGHT
EAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET,
OCCASIONALLY TO 5 FEET.
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