594
FZUS52 KKEY 010238 AAA
CWFKEY
COASTAL WATERS FORECAST FOR THE FLORIDA KEYS...UPDATED
NATIONAL WEATHER SERVICE KEY WEST FL
1038 PM EDT MON MAR 31 2025
UPDATED TO ADJUST SOME OF THE TRANSITIONS OVERNIGHT AND TUESDAY
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.
GMZ005-010830-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1038 PM EDT MON MAR 31 2025
SYNOPSIS
LIGHT AND VARIABLE BREEZES WILL PERSIST ACROSS FLORIDA
KEYS COASTAL WATERS OVERNIGHT, BECOMING SOUTHEASTERLY ON TUESDAY.
A HIGH PRESSURE SYSTEM OVER THE WESTERN NORTH ATLANTIC WILL EXPAND
AND INTENSIFY TUESDAY NIGHT AND WEDNESDAY, LEADING TO FRESHENING
BREEZES ACROSS KEYS COASTAL WATERS. FRESH TO STRONG BREEZES ARE
LIKELY FOR WEDNESDAY THROUGH FRIDAY. AS A RESULT, SMALL CRAFT
ADVISORIES LIKELY WILL BE REQUIRED FOR MID TO LATE WEEK.
THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF MARCH 31...
18 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
1 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
1 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
6 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
10 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
6 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
5 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
3 NM EAST 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.
GMZ031-010830-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1038 PM EDT MON MAR 31 2025
OVERNIGHT
SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS, BECOMING EAST
TO SOUTHEAST LATE. BAY WATERS SMOOTH TO A LIGHT CHOP. ISOLATED
SHOWERS.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, INCREASING
TO 10 TO 15 KNOTS. BAY WATERS A LIGHT CHOP, BECOMING A LIGHT TO
MODERATE CHOP.
WEDNESDAY
EAST TO SOUTHEAST WINDS NEAR 15 KNOTS, INCREASING TO
15 TO 20 KNOTS. BAY WATERS A MODERATE CHOP, BECOMING CHOPPY.
WEDNESDAY NIGHT AND THURSDAY
EAST TO SOUTHEAST WINDS NEAR 20
KNOTS. BAY WATERS ROUGH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
EAST TO SOUTHEAST WINDS
NEAR 20 KNOTS. BAY WATERS ROUGH.
SATURDAY
EAST TO SOUTHEAST WINDS NEAR 20 KNOTS, DECREASING TO
15 TO 20 KNOTS. BAY WATERS ROUGH, BECOMING CHOPPY.
SATURDAY NIGHT
EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. BAY
WATERS CHOPPY.
GMZ032-035-010830-
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-
1038 PM EDT MON MAR 31 2025
OVERNIGHT
VARIABLE WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, INCREASING
TO 10 TO 15 KNOTS. SEAS BUILDING TO 1 TO 2 FEET. NEARSHORE WATERS
A LIGHT CHOP, BECOMING A LIGHT TO MODERATE CHOP.
WEDNESDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING
TO 15 TO 20 KNOTS. SEAS 1 TO 2 FEET, EXCEPT BUILDING TO 2 TO 3
FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP, BECOMING CHOPPY.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 20 KNOTS,
INCREASING TO 20 TO 25 KNOTS. SEAS BUILDING TO 2 TO 3 FEET,
EXCEPT BUILDING TO 3 TO 5 FEET, OCCASIONALLY TO 6 FEET WEST OF
THE MARQUESAS KEYS. NEARSHORE WATERS ROUGH, BECOMING VERY ROUGH.
THURSDAY
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 2 TO
3 FEET, EXCEPT 4 TO 6 FEET, OCCASIONALLY TO 8 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS
2 TO 3 FEET, EXCEPT 4 TO 6 FEET, OCCASIONALLY TO 8 FEET WEST OF
THE MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
FRIDAY
EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 2 TO
3 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY TO 6 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS ROUGH.
FRIDAY NIGHT
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 2 TO
3 FEET, EXCEPT 4 TO 6 FEET, OCCASIONALLY TO 8 FEET WEST OF THE
MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH.
SATURDAY AND SATURDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 20
KNOTS. SEAS 2 TO 3 FEET, EXCEPT 4 TO 5 FEET, OCCASIONALLY TO 6
FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS ROUGH.
GMZ042>044-010830-
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-
1038 PM EDT MON MAR 31 2025
OVERNIGHT
VARIABLE WINDS 5 TO 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 10 KNOTS, INCREASING
TO 10 TO 15 KNOTS. SEAS BUILDING TO 2 TO 3 FEET. NEARSHORE WATERS
A LIGHT CHOP, BECOMING A LIGHT TO MODERATE CHOP.
WEDNESDAY
EAST TO SOUTHEAST WINDS NEAR 15 KNOTS, INCREASING TO
NEAR 20 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET, BUILDING TO 3 TO
4 FEET, OCCASIONALLY TO 5 FEET. NEARSHORE WATERS A MODERATE CHOP,
BECOMING ROUGH.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS
4 TO 6 FEET, OCCASIONALLY TO 8 FEET. NEARSHORE WATERS VERY ROUGH.
THURSDAY
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET. NEARSHORE WATERS VERY ROUGH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
EAST TO SOUTHEAST WINDS 20
TO 25 KNOTS. SEAS 5 TO 7 FEET, OCCASIONALLY TO 9 FEET. NEARSHORE
WATERS VERY ROUGH.
SATURDAY
EAST TO SOUTHEAST WINDS NEAR 20 KNOTS, DECREASING TO 15
TO 20 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET. NEARSHORE
WATERS ROUGH, BECOMING CHOPPY.
SATURDAY NIGHT
EAST TO SOUTHEAST WINDS INCREASING TO NEAR 20
KNOTS. SEAS 3 TO 5 FEET, OCCASIONALLY TO 6 FEET. NEARSHORE WATERS
BECOMING ROUGH.
GMZ052>055-072>075-010830-
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-
1038 PM EDT MON MAR 31 2025
OVERNIGHT
VARIABLE WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET. WAVE
DETAIL: EAST 2 FEET AT 5 SECONDS. WINDS AND SEAS HIGHER IN AND
NEAR ISOLATED SHOWERS.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO
NEAR 10 KNOTS IN THE AFTERNOON. SEAS 1 TO 2 FEET. WAVE DETAIL:
EAST 1 FOOT AT 4 SECONDS.
TUESDAY NIGHT
EAST WINDS 10 TO 15 KNOTS, INCREASING TO NEAR 15
KNOTS. SEAS BUILDING TO 2 TO 4 FEET, OCCASIONALLY TO 5 FEET. WAVE
DETAIL: EAST 3 FEET AT 5 SECONDS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS, INCREASING TO
20 TO 25 KNOTS. SEAS 3 TO 4 FEET, OCCASIONALLY TO 5 FEET,
BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET.
WEDNESDAY NIGHT
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS
5 TO 8 FEET, OCCASIONALLY TO 10 FEET, BUILDING TO 7 TO 9 FEET,
OCCASIONALLY TO 11 FEET.
THURSDAY
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 7 TO
9 FEET, OCCASIONALLY TO 11 FEET.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
EAST TO SOUTHEAST WINDS 20
TO 25 KNOTS. SEAS 7 TO 9 FEET, OCCASIONALLY TO 11 FEET.
SATURDAY
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS, DECREASING TO
NEAR 20 KNOTS. SEAS 5 TO 8 FEET, OCCASIONALLY TO 10 FEET.
SATURDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 5
TO 7 FEET, OCCASIONALLY TO 9 FEET.
GMZ033-034-010830-
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-
1038 PM EDT MON MAR 31 2025
OVERNIGHT
VARIABLE WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
WAVE DETAIL: SOUTHEAST 1 FOOT AT 3 SECONDS. ISOLATED SHOWERS.
PATCHY FOG.
TUESDAY
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 1
FOOT. WAVE DETAIL: EAST TO SOUTHEAST 1 FOOT AT 2 SECONDS. PATCHY
FOG EARLY.
TUESDAY NIGHT
EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS,
INCREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT. SEAS BUILDING TO 2 TO
3 FEET. WAVE DETAIL: EAST TO SOUTHEAST 2 FEET AT 3 SECONDS.
WEDNESDAY
EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS, INCREASING
TO 15 TO 20 KNOTS. SEAS BUILDING TO 3 TO 4 FEET.
WEDNESDAY NIGHT AND THURSDAY
EAST TO SOUTHEAST WINDS NEAR 20
KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET.
THURSDAY NIGHT
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS
4 TO 7 FEET, OCCASIONALLY TO 9 FEET.
FRIDAY
EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 4 TO
6 FEET, OCCASIONALLY TO 8 FEET.
FRIDAY NIGHT
EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS. SEAS 4 TO
7 FEET, OCCASIONALLY TO 9 FEET.
SATURDAY
EAST TO SOUTHEAST WINDS NEAR 20 KNOTS, DECREASING TO
15 TO 20 KNOTS. SEAS 4 TO 6 FEET, OCCASIONALLY TO 8 FEET.
SATURDAY NIGHT
EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS
3 TO 5 FEET, OCCASIONALLY TO 6 FEET.
KASPER
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