Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 240851
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
451 AM EDT MON APR 24 2017

FLORIDA BAY...HAWK CHANNEL AND STRAITS OF FLORIDA FROM OCEAN REEF TO
SOUTH OF DRY TORTUGAS...AND THE EXTREME SOUTHEASTERN GULF OF
MEXICO...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.

GMZ005-241430-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
451 AM EDT MON APR 24 2017

.SYNOPSIS...A WEAK COLD FRONT WILL MOVE EASTWARD ACROSS THE
FLORIDA KEYS AND ADJACENT COASTAL WATERS THIS AFTERNOON. A RIDGE
OF HIGH PRESSURE WILL BUILD OVER THE FLORIDA PENINSULA TUESDAY
NIGHT AND WEDNESDAY...BEFORE LIFTING NORTHWARD WEDNESDAY NIGHT
THROUGH FRIDAY.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM AS OF APRIL
22...

35 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
29 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
29 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
36 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
28 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
 7 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
 3 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
 2 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-241430-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
451 AM EDT MON APR 24 2017

.TODAY...WEST WINDS 10 TO 15 KNOTS...INCREASING TO NEAR 15 KNOTS
LATE. BAY WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.TONIGHT...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP.
.TUESDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS BECOMING NORTH TO
NORTHEAST EARLY IN THE MORNING. BAY WATERS SMOOTH TO A LIGHT
CHOP.
.WEDNESDAY...NORTHEAST TO EAST WINDS NEAR 5 KNOTS BECOMING
SOUTHEAST IN THE LATE MORNING AND AFTERNOON. BAY WATERS SMOOTH TO
A LIGHT CHOP.
.WEDNESDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.THURSDAY...SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT
CHOP. ISOLATED SHOWERS.
.THURSDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.FRIDAY...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. BAY WATERS A
MODERATE CHOP. ISOLATED SHOWERS.
.FRIDAY NIGHT...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. BAY
WATERS CHOPPY. ISOLATED SHOWERS.

$$

GMZ032-035-241430-
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-
451 AM EDT MON APR 24 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION LATE THIS AFTERNOON...

.TODAY...WEST WINDS 10 TO 15 KNOTS...BECOMING WEST TO NORTHWEST
AND INCREASING TO 15 TO 20 KNOTS LATE IN THE AFTERNOON. SEAS 1 TO
2 FEET...BUILDING TO 2 TO 3 FEET LATE. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP...BECOMING CHOPPY LATE. ISOLATED SHOWERS...MAINLY
THIS AFTERNOON.
.TONIGHT...WEST TO NORTHWEST WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET. NEARSHORE WATERS
CHOPPY...BECOMING A MODERATE CHOP AFTER MIDNIGHT. ISOLATED
SHOWERS.
.TUESDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS BECOMING
EAST EARLY IN THE MORNING. SEAS 1 TO 2 FEET. NEARSHORE WATERS
SMOOTH TO A LIGHT CHOP.
.WEDNESDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...EAST TO SOUTHEAST WINDS
NEAR 15 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A MODERATE CHOP.
ISOLATED SHOWERS.
.FRIDAY AND FRIDAY NIGHT...EAST TO SOUTHEAST WINDS 15 TO 20
KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS CHOPPY. ISOLATED
SHOWERS.

$$

GMZ042>044-241430-
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-
451 AM EDT MON APR 24 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION LATE THIS AFTERNOON...

.TODAY...WEST TO NORTHWEST WINDS NEAR 15 KNOTS...INCREASING TO 15
TO 20 KNOTS LATE THIS AFTERNOON. SEAS 1 TO 3 FEET. NEARSHORE
WATERS A MODERATE CHOP...BECOMING CHOPPY LATE. ISOLATED SHOWERS...
MAINLY THIS AFTERNOON.
.TONIGHT...WEST TO NORTHWEST WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 15 KNOTS AFTER MIDNIGHT. SEAS 1 TO 3 FEET. NEARSHORE WATERS
CHOPPY...BECOMING A MODERATE CHOP AFTER MIDNIGHT. ISOLATED
SHOWERS...MAINLY IN THE EVENING.
.TUESDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING
NORTHEAST AND DECREASING TO 5 TO 10 KNOTS OVERNIGHT. SEAS 1 TO 2
FEET...SUBSIDING TO 1 FOOT OR LESS. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP...BECOMING MOSTLY SMOOTH.
.WEDNESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...EAST TO SOUTHEAST WINDS
NEAR 15 KNOTS. SEAS 1 TO 3 FEET. NEARSHORE WATERS A MODERATE
CHOP. ISOLATED SHOWERS.
.FRIDAY AND FRIDAY NIGHT...EAST TO SOUTHEAST WINDS 15 TO 20
KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS CHOPPY. ISOLATED
SHOWERS.

$$

GMZ052>055-072>075-241430-
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-
451 AM EDT MON APR 24 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION LATE THIS AFTERNOON...

.TODAY...WEST TO NORTHWEST WINDS NEAR 15 KNOTS...INCREASING TO 15
TO 20 KNOTS LATE THIS AFTERNOON. SEAS 2 TO 4 FEET. ISOLATED
SHOWERS...MAINLY THIS AFTERNOON.
.TONIGHT...WEST TO NORTHWEST WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 6 FEET. ISOLATED
SHOWERS...MAINLY IN THE EVENING.
.TUESDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO
5 FEET.
.TUESDAY NIGHT...NORTHWEST WINDS 10 TO 15 KNOTS...BECOMING
NORTHEAST AND DECREASING TO 5 TO 10 KNOTS OVERNIGHT. SEAS 2 TO 3
FEET...EXCEPT SOUTHEAST OF THE UPPER KEYS REEF TRACT...SEAS AS
HIGH AS 5 FEET DUE TO NORTH SWELLS.
.WEDNESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET...EXCEPT
SOUTHEAST OF THE UPPER KEYS REEF TRACT...SEAS AS HIGH AS 5 FEET
DUE TO NORTH SWELLS.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...EAST TO SOUTHEAST WINDS
NEAR 15 KNOTS. SEAS 3 TO 5 FEET. ISOLATED SHOWERS.
.FRIDAY AND FRIDAY NIGHT...EAST TO SOUTHEAST WINDS 15 TO 20
KNOTS. SEAS 4 TO 6 FEET. ISOLATED SHOWERS.

$$

GMZ033-034-241430-
GULF WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE 20 TO 60 NM OUT
AND BEYOND 5 FATHOMS-
GULF OF MEXICO INCLUDING DRY TORTUGAS AND REBECCA SHOAL CHANNEL-
451 AM EDT MON APR 24 2017

...SMALL CRAFT ADVISORY MAY BE REQUIRED BY THIS EVENING...
...SMALL CRAFT SHOULD EXERCISE CAUTION THIS AFTERNOON...

.TODAY...WEST WINDS 10 TO 15 KNOTS...BECOMING WEST TO NORTHWEST
AND INCREASING TO NEAR 20 KNOTS LATE IN THE AFTERNOON. SEAS 2 TO
4 FEET...BUILDING TO 3 TO 5 FEET LATE. ISOLATED SHOWERS.
.TONIGHT...WEST TO NORTHWEST WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 7 FEET SUBSIDING TO 3 TO
5 FEET AFTER MIDNIGHT. ISOLATED SHOWERS.
.TUESDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 3 TO
5 FEET.
.TUESDAY NIGHT...NORTHWEST TO NORTH WINDS 5 TO 10 KNOTS BECOMING
EAST EARLY IN THE MORNING. SEAS 2 TO 3 FEET.
.WEDNESDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 3
FEET.
.WEDNESDAY NIGHT AND THURSDAY...EAST TO SOUTHEAST WINDS 10 TO 15
KNOTS. SEAS 2 TO 3 FEET. ISOLATED SHOWERS.
.THURSDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO
4 FEET. ISOLATED SHOWERS.
.FRIDAY AND FRIDAY NIGHT...EAST TO SOUTHEAST WINDS 15 TO 20
KNOTS. SEAS 3 TO 5 FEET. ISOLATED SHOWERS.

$$

KASPER



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