Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 280834
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
434 AM EDT FRI APR 28 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.

GMZ005-281430-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
434 AM EDT FRI APR 28 2017

.SYNOPSIS...AN ATLANTIC RIDGE OF HIGH PRESSURE EXTENDING ACROSS
NORTHERN FLORIDA TODAY WILL LIFT NORTHWARD ON SATURDAY. THE LOCAL
PRESSURE GRADIENT WILL TIGHTEN TONIGHT, BRINGING FRESH TO STRONG
BREEZES THIS WEEKEND INTO NEXT WEEK.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
APRIL 27TH...

52 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
21 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
17 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
20 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
25 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
15 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
 8 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
 6 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-281430-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
434 AM EDT FRI APR 28 2017

.TODAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP.
.TONIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS...INCREASING TO
15 TO 20 KNOTS. BAY WATERS A MODERATE CHOP...BECOMING CHOPPY.
.SATURDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY.
.SATURDAY NIGHT AND SUNDAY...EAST TO SOUTHEAST WINDS NEAR 20
KNOTS. BAY WATERS ROUGH.
.SUNDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. BAY WATERS
ROUGH. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 15 KNOTS. BAY WATERS CHOPPY...BECOMING A MODERATE CHOP.
SCATTERED SHOWERS.
.MONDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS
A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.TUESDAY AND TUESDAY NIGHT...EAST WINDS NEAR 10 KNOTS. BAY WATERS
A LIGHT CHOP. ISOLATED SHOWERS.

$$

GMZ032-035-281430-
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-
434 AM EDT FRI APR 28 2017

.TODAY...SOUTHEAST WINDS 10 TO 15 KNOTS...INCREASING TO NEAR 15
KNOTS. SEAS AROUND 1 FOOT...BUILDING TO AROUND 2 FEET. NEARSHORE
WATERS A LIGHT TO MODERATE CHOP.
.TONIGHT...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3
FEET. NEARSHORE WATERS CHOPPY.
.SATURDAY THROUGH SUNDAY...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS.
SEAS 2 TO 4 FEET. NEARSHORE WATERS ROUGH.
.SUNDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 2 TO 4
FEET. NEARSHORE WATERS ROUGH. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 15 KNOTS. SEAS 2 TO 3 FEET...SUBSIDING TO 1 TO 2 FEET.
NEARSHORE WATERS CHOPPY...BECOMING A MODERATE CHOP. SCATTERED
SHOWERS.
.MONDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED
SHOWERS.
.TUESDAY AND TUESDAY NIGHT...EAST WINDS NEAR 10 KNOTS. SEAS 1 FOOT
OR LESS. NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.

$$

GMZ042>044-281430-
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-
434 AM EDT FRI APR 28 2017

...SMALL CRAFT ADVISORY LIKELY WILL BE REQUIRED TONIGHT...

.TODAY...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A MODERATE CHOP.
.TONIGHT...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS...INCREASING
TO NEAR 20 KNOTS. SEAS 2 TO 4 FEET...BUILDING TO 3 TO 5 FEET.
NEARSHORE WATERS CHOPPY...BECOMING ROUGH.
.SATURDAY THROUGH SUNDAY...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS.
SEAS 3 TO 5 FEET. NEARSHORE WATERS ROUGH.
.SUNDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 3 TO 5
FEET. NEARSHORE WATERS ROUGH. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 15 KNOTS. SEAS 3 TO 4 FEET...SUBSIDING TO 2 TO 3 FEET.
NEARSHORE WATERS CHOPPY...BECOMING A MODERATE CHOP. SCATTERED
SHOWERS.
.MONDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS
AROUND 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED
SHOWERS.
.TUESDAY AND TUESDAY NIGHT...EAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.

$$

GMZ052>055-072>075-281430-
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-
434 AM EDT FRI APR 28 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY LIKELY WILL BE REQUIRED TONIGHT...

.TODAY...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.
.TONIGHT...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 5 TO 7
FEET.
.SATURDAY THROUGH SUNDAY...EAST TO SOUTHEAST WINDS 20 TO 25 KNOTS.
SEAS 6 TO 8 FEET.
.SUNDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 5 TO 7
FEET. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 15 KNOTS. SEAS 4 TO 6 FEET...SUBSIDING TO 3 TO 5 FEET.
SCATTERED SHOWERS.
.MONDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO 5
FEET. ISOLATED SHOWERS.
.TUESDAY AND TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. ISOLATED SHOWERS.

$$

GMZ033-034-281430-
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-
434 AM EDT FRI APR 28 2017

...SMALL CRAFT ADVISORY POSSIBLE TONIGHT...

.TODAY...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET.
.TONIGHT...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS...INCREASING TO
NEAR 20 KNOTS. SEAS 3 TO 5 FEET...BUILDING TO 4 TO 6 FEET.
.SATURDAY THROUGH SUNDAY...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS.
SEAS 4 TO 6 FEET.
.SUNDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 4 TO 6
FEET. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 15 KNOTS. SEAS 3 TO 5 FEET...SUBSIDING TO 2 TO 4 FEET.
SCATTERED SHOWERS.
.MONDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
3 FEET. ISOLATED SHOWERS.
.TUESDAY AND TUESDAY NIGHT...EAST WINDS NEAR 10 KNOTS. SEAS AROUND
2 FEET. ISOLATED SHOWERS.

$$

KN


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