Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 270916
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
416 AM EST MON FEB 27 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.

GMZ005-271530-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
416 AM EST MON FEB 27 2017

.SYNOPSIS...AN ATLANTIC RIDGE OF HIGH PRESSURE WILL EXTEND ACROSS
THE SOUTHEASTERN UNITED STATES TODAY AND TONIGHT. THIS RIDGE OF
HIGH PRESSURE WILL GRADUALLY SHIFT SOUTHWARD DOWN THE FLORIDA
PENINSULA TUESDAY THROUGH WEDNESDAY. THE RIDGE OF HIGH PRESSURE
WILL RETREAT EASTWARD WEDNESDAY NIGHT. A COLD FRONT WILL PROGRESS
SOUTHWARD DOWN THE FLORIDA PENINSULA THURSDAY AND THURSDAY NIGHT.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
FEBRUARY 25TH...

45 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
15 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
11 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
14 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
15 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
12 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
11 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
12 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-271530-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
416 AM EST MON FEB 27 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...EAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.
.TONIGHT THROUGH TUESDAY NIGHT...EAST WINDS NEAR 15 KNOTS. BAY
WATERS A MODERATE CHOP. ISOLATED SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS...DECREASING TO
5 TO 10 KNOTS AFTER MIDNIGHT. BAY WATERS A LIGHT TO MODERATE
CHOP...BECOMING MOSTLY SMOOTH. SCATTERED SHOWERS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING NORTHEAST TO
EAST IN THE AFTERNOON. BAY WATERS SMOOTH TO A LIGHT CHOP. ISOLATED
SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP. ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS NEAR 10 KNOTS...INCREASING TO 10 TO 15
KNOTS IN THE AFTERNOON. BAY WATERS A LIGHT TO MODERATE CHOP.
SCATTERED SHOWERS.
.FRIDAY NIGHT...NORTHEAST TO EAST WINDS 10 TO 15
KNOTS...INCREASING TO NEAR 20 KNOTS BY MIDNIGHT. BAY WATERS A
LIGHT TO MODERATE CHOP...BECOMING ROUGH. SCATTERED SHOWERS.

$$

GMZ032-035-271530-
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-
416 AM EST MON FEB 27 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...EAST WINDS 15 TO 20 KNOTS. SEAS AROUND 2 FEET. NEARSHORE
WATERS CHOPPY.
.TONIGHT THROUGH TUESDAY NIGHT...EAST WINDS NEAR 15 KNOTS. SEAS 1
TO 2 FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS...DECREASING TO
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS AROUND 1 FOOT...SUBSIDING TO
LESS THAN 1 FOOT. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP...BECOMING MOSTLY SMOOTH. SCATTERED SHOWERS.
.THURSDAY...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING NORTHEAST TO
EAST IN THE AFTERNOON. SEAS LESS THAN 1 FOOT. NEARSHORE WATERS
SMOOTH TO A LIGHT CHOP. ISOLATED SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS NEAR 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS A LIGHT CHOP. ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS NEAR 10 KNOTS...INCREASING TO 10 TO 15
KNOTS IN THE AFTERNOON. SEAS AROUND 1 FOOT. NEARSHORE WATERS A
LIGHT TO MODERATE CHOP. SCATTERED SHOWERS.
.FRIDAY NIGHT...NORTHEAST TO EAST WINDS 10 TO 15
KNOTS...INCREASING TO NEAR 20 KNOTS BY MIDNIGHT. SEAS AROUND 1
FOOT...BUILDING TO 2 TO 4 FEET. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP...BECOMING ROUGH. SCATTERED SHOWERS.

$$

GMZ042>044-271530-
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-
416 AM EST MON FEB 27 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
NEARSHORE WATERS CHOPPY.
.TONIGHT THROUGH TUESDAY NIGHT...EAST TO SOUTHEAST WINDS 15 TO 20
KNOTS. SEAS 2 TO 4 FEET. NEARSHORE WATERS CHOPPY. ISOLATED
SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3
FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS NEAR 15 KNOTS...DECREASING TO
NEAR 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET...SUBSIDING TO 1 TO
2 FEET. NEARSHORE WATERS A MODERATE CHOP...BECOMING A LIGHT CHOP.
SCATTERED SHOWERS.
.THURSDAY...SOUTHEAST WINDS NEAR 10 KNOTS...BECOMING NORTHEAST TO
EAST IN THE AFTERNOON. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT
CHOP. ISOLATED SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS...INCREASING TO NEAR 15
KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. NEARSHORE WATERS A LIGHT
TO MODERATE CHOP. SCATTERED SHOWERS.
.FRIDAY NIGHT...NORTHEAST TO EAST WINDS NEAR 15 KNOTS...INCREASING
TO 20 TO 25 KNOTS BY MIDNIGHT. SEAS 2 TO 3 FEET...BUILDING TO 3 TO
5 FEET. NEARSHORE WATERS A MODERATE CHOP...BECOMING VERY ROUGH.
SCATTERED SHOWERS.

$$

GMZ052>055-072>075-271530-
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-
416 AM EST MON FEB 27 2017

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 5 TO 7 FEET.
ISOLATED SHOWERS.
.TONIGHT THROUGH TUESDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 20
KNOTS. SEAS 5 TO 7 FEET. ISOLATED SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6
FEET. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET...SUBSIDING TO 2
TO 4 FEET. SCATTERED SHOWERS.
.THURSDAY...SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST TO
EAST IN THE AFTERNOON. SEAS 2 TO 4 FEET. ISOLATED SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO 4 FEET.
ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS NEAR 15 KNOTS...INCREASING TO 15 TO 20
KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET. SCATTERED SHOWERS.
.FRIDAY NIGHT...NORTHEAST TO EAST WINDS 15 TO 20 KNOTS...INCREASING
TO 20 TO 25 KNOTS BY MIDNIGHT. SEAS 4 TO 6 FEET...BUILDING TO 6 TO
8 FEET. SCATTERED SHOWERS.

$$

GMZ033-034-271530-
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-
416 AM EST MON FEB 27 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
.TONIGHT THROUGH TUESDAY NIGHT...EAST WINDS 15 TO 20 KNOTS. SEAS 3
TO 5 FEET. ISOLATED SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4
FEET. ISOLATED SHOWERS.
.WEDNESDAY NIGHT...SOUTHEAST WINDS NEAR 15 KNOTS...DECREASING TO
NEAR 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET...SUBSIDING TO
AROUND 2 FEET. SCATTERED SHOWERS.
.THURSDAY...SOUTHEAST WINDS NEAR 10 KNOTS...BECOMING NORTHEAST TO
EAST IN THE AFTERNOON. SEAS AROUND 2 FEET. ISOLATED SHOWERS.
.THURSDAY NIGHT...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. ISOLATED SHOWERS.
.FRIDAY...NORTHEAST WINDS 10 TO 15 KNOTS...INCREASING TO NEAR 15
KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET. SCATTERED SHOWERS.
.FRIDAY NIGHT...NORTHEAST TO EAST WINDS NEAR 15 KNOTS...INCREASING
TO 20 TO 25 KNOTS BY MIDNIGHT. SEAS 3 TO 4 FEET...BUILDING TO 5 TO
7 FEET. SCATTERED SHOWERS.

$$
BS


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