477
FZUS52 KKEY 232042
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
442 PM EDT MON MAR 23 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.
GMZ005-240845-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
442 PM EDT MON MAR 23 2026
SYNOPSIS
HIGH PRESSURE CENTERED IN THE GULF JUST TO THE WEST
OF THE FLORIDA PENINSULA AND WILL REMAIN IN PLACE THROUGH THE NEXT
SEVERAL DAYS WHILE WEAKENING. THIS WILL SUPPORT A STAGNANT
PATTERN OF GENERALLY LIGHT TO GENTLE NORTH TO NORTHEAST BREEZES
AS A SECONDARY HIGH BUILDS IN THE WEST-CENTRAL ATLANTIC, WILL
VEER TO THE NORTHEAST TO EAST AND FRESHEN LATE IN THE WORK WEEK
THROUGH THE WEEKEND.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF MARCH 22...
44 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
44 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
39 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
24 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
15 NM SOUTHEAST OF SOMBRERO KEY LIGHT...OFF MARATHON.
15 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
11 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
12 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.
GMZ031-240845-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
442 PM EDT MON MAR 23 2026
TONIGHT
VARIABLE WINDS NEAR 5 KNOTS, BECOMING NORTHWEST TO
NORTH NEAR 10 KNOTS. BAY WATERS SMOOTH, BECOMING A LIGHT CHOP.
TUESDAY
NORTHEAST WINDS NEAR 10 KNOTS, BECOMING VARIABLE NEAR
5 KNOTS. BAY WATERS A LIGHT CHOP, BECOMING SMOOTH.
TUESDAY NIGHT AND WEDNESDAY
NORTHEAST TO EAST WINDS 5 TO 10
KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS,
INCREASING TO NEAR 10 KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP,
BECOMING A LIGHT CHOP.
THURSDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP. A SLIGHT CHANCE OF SHOWERS.
THURSDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP.
FRIDAY
EAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT CHOP.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP.
SATURDAY
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP, BECOMING
CHOPPY. A SLIGHT CHANCE OF SHOWERS.
GMZ032-035-240845-
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-
442 PM EDT MON MAR 23 2026
TONIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING
NORTHWEST TO NORTH NEAR 10 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE
WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT CHOP.
TUESDAY
NORTH TO NORTHEAST 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.
TUESDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
WEDNESDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS,
INCREASING TO NEAR 10 KNOTS. SEAS AROUND 1 FOOT, BUILDING TO 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT
CHOP.
THURSDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS.
THURSDAY NIGHT AND FRIDAY
NORTHEAST TO EAST WINDS 5 TO 10
KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT CHOP.
SATURDAY
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP.
SATURDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO
15 TO 20 KNOTS. SEAS 1 TO 2 FEET, BUILDING TO 2 TO 3 FEET, EXCEPT
BUILDING TO 3 TO 4 FEET, OCCASIONALLY TO 5 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS A LIGHT TO MODERATE CHOP,
BECOMING CHOPPY. A SLIGHT CHANCE OF SHOWERS.
GMZ042>044-240845-
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-
442 PM EDT MON MAR 23 2026
TONIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO
NEAR 10 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A
LIGHT CHOP, BECOMING A LIGHT CHOP.
TUESDAY
NORTHEAST 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.
TUESDAY NIGHT
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
WEDNESDAY
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS,
INCREASING TO NEAR 10 KNOTS. SEAS AROUND 1 FOOT, BUILDING TO 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP, BECOMING A LIGHT
CHOP.
THURSDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. A SLIGHT CHANCE OF
SHOWERS.
THURSDAY NIGHT AND FRIDAY
NORTHEAST TO EAST WINDS NEAR 10
KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP.
FRIDAY NIGHT
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET,
BUILDING TO AROUND 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP.
SATURDAY
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. A SLIGHT CHANCE OF
SHOWERS.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS CHOPPY. A SLIGHT
CHANCE OF SHOWERS.
GMZ052>055-072>075-240845-
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-
442 PM EDT MON MAR 23 2026
TONIGHT
NORTHEAST WINDS NEAR 10 KNOTS, INCREASING TO 10 TO 15
KNOTS. SEAS 1 TO 2 FEET, BUILDING TO 2 TO 3 FEET. WAVE DETAIL:
NORTHEAST TO EAST 1 FOOT AT 4 SECONDS.
TUESDAY
NORTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2 FEET,
SUBSIDING TO 1 TO 2 FEET. WAVE DETAIL: NORTHEAST 1 FOOT AT 3
SECONDS.
TUESDAY NIGHT
NORTHEAST TO EAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. WAVE DETAIL: NORTHEAST TO EAST 2 FEET AT 3 SECONDS.
WEDNESDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET.
WEDNESDAY NIGHT
NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS
2 TO 3 FEET.
THURSDAY
NORTHEAST TO EAST WINDS NEAR 10 KNOTS. SEAS AROUND 2
FEET. A SLIGHT CHANCE OF SHOWERS.
THURSDAY NIGHT AND FRIDAY
NORTHEAST TO EAST WINDS 10 TO 15
KNOTS. SEAS 2 TO 3 FEET.
FRIDAY NIGHT
NORTHEAST TO EAST WINDS NEAR 15 KNOTS. SEAS 2 TO
4 FEET, OCCASIONALLY TO 5 FEET.
SATURDAY
NORTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO 4 FEET,
OCCASIONALLY TO 6 FEET. A SLIGHT CHANCE OF SHOWERS.
SATURDAY NIGHT
NORTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
NEAR 20 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET, BUILDING
TO 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. A SLIGHT CHANCE OF
SHOWERS.
GMZ033-034-240845-
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-
442 PM EDT MON MAR 23 2026
TONIGHT
NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS, BECOMING NORTH
TO NORTHEAST NEAR 10 KNOTS. SEAS AROUND 1 FOOT. WAVE DETAIL:
NORTHWEST TO NORTH 1 FOOT AT 3 SECONDS.
TUESDAY
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS, DECREASING TO
5 TO 10 KNOTS. SEAS AROUND 1 FOOT. WAVE DETAIL: NORTH TO NORTHEAST
1 FOOT AT 3 SECONDS.
TUESDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT. WAVE DETAIL: NORTHWEST TO NORTH 1 FOOT AT
3 SECONDS.
WEDNESDAY
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
WEDNESDAY NIGHT AND THURSDAY
NORTHEAST WINDS NEAR 10 KNOTS.
SEAS 1 TO 2 FEET.
THURSDAY NIGHT
NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
FRIDAY
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
FRIDAY NIGHT
NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
AROUND 1 FOOT.
SATURDAY
NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET.
SATURDAY NIGHT
NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS,
BECOMING NORTHEAST 15 TO 20 KNOTS. SEAS 1 TO 2 FEET, BUILDING TO
3 TO 4 FEET, OCCASIONALLY TO 5 FEET.
LIW/AP
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