Coastal Waters Forecast
Issued by NWS

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FZUS52 KKEY 230931
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
431 AM EST MON JAN 23 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.

GMZ005-231530-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
431 AM EST MON JAN 23 2017

.SYNOPSIS...A COLD FRONT WILL BLAST THROUGH THE FLORIDA KEYS THIS
MORNING. STRONG SOUTH TO SOUTHWEST WINDS WILL TURN WEST IN WAKE
OF A PRE-FRONTAL SQUALL LINE. HAZARDOUS MARINE CONDITIONS EXPECTED
TO CONTINUE INTO TONIGHT.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
JANUARY 21ST...

32 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
 8 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
10 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
28 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
27 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
11 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
 6 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
 4 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-231530-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
431 AM EST MON JAN 23 2017

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...WEST WINDS NEAR 25 KNOTS. BAY WATERS EXTREMELY ROUGH.
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS...BECOMING SCATTERED
SHOWERS LATE.
.TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS EARLY...DECREASING TO
NEAR 15 KNOTS AFTER MIDNIGHT. BAY WATERS VERY ROUGH...BECOMING A
MODERATE CHOP.
.TUESDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...NORTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO
A LIGHT CHOP.
.WEDNESDAY...NORTHEAST WINDS NEAR 10 KNOTS...BECOMING SOUTHEAST
TO SOUTH IN THE AFTERNOON. BAY WATERS A LIGHT CHOP.
.WEDNESDAY NIGHT...VARIABLE WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
.THURSDAY...SOUTHWEST TO WEST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
.THURSDAY NIGHT...VARIABLE WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH
TO A LIGHT CHOP. ISOLATED SHOWERS.
.FRIDAY AND FRIDAY NIGHT...NORTH WINDS NEAR 10 KNOTS. BAY WATERS
A LIGHT CHOP. ISOLATED SHOWERS.

$$

GMZ032-035-231530-
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-
431 AM EST MON JAN 23 2017

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS EARLY...DECREASING
TO 20 TO 25 KNOTS THIS AFTERNOON. SEAS 4 TO 6 FEET. NEARSHORE
WATERS EXTREMELY ROUGH...BECOMING VERY ROUGH. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS...BECOMING SCATTERED SHOWERS LATE.
.TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS...DECREASING TO 15 TO 20
KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET...SUBSIDING TO 3 TO 5 FEET.
NEARSHORE WATERS VERY ROUGH...BECOMING CHOPPY.
.TUESDAY...NORTHWEST WINDS NEAR 15 KNOTS EARLY...DECREASING TO
NEAR 10 KNOTS IN THE AFTERNOON. SEAS 3 TO 5 FEET...SUBSIDING TO 1
TO 3 FEET IN THE AFTERNOON. NEARSHORE WATERS A MODERATE
CHOP...BECOMING A LIGHT CHOP.
.TUESDAY NIGHT...NORTH TO NORTHEAST WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.WEDNESDAY...SOUTHEAST TO SOUTH WINDS NEAR 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY NIGHT...SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.THURSDAY...VARIABLE WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH.
.THURSDAY NIGHT...VARIABLE WINDS NEAR 5 KNOTS...BECOMING NORTH
AND INCREASING TO NEAR 10 KNOTS AFTER MIDNIGHT. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH...BECOMING A LIGHT CHOP. ISOLATED
SHOWERS.
.FRIDAY AND FRIDAY NIGHT...NORTH TO NORTHEAST WINDS 10 TO
15 KNOTS. SEAS 1 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP. ISOLATED SHOWERS.

$$

GMZ042>044-231530-
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-
431 AM EST MON JAN 23 2017

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 5 TO 8
FEET. NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS...BECOMING SCATTERED SHOWERS LATE.
.TONIGHT...NORTHWEST WINDS 20 TO 25 KNOTS EARLY...DECREASING TO
NEAR 20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 7 FEET. NEARSHORE WATERS
VERY ROUGH.
.TUESDAY...WEST TO NORTHWEST WINDS NEAR 15 KNOTS...DECREASING TO
NEAR 10 KNOTS. SEAS 3 TO 5 FEET...SUBSIDING TO 2 TO 4 FEET.
NEARSHORE WATERS A MODERATE CHOP...BECOMING A LIGHT CHOP.
.TUESDAY NIGHT...NORTHWEST TO NORTH WINDS NEAR 10 KNOTS...BECOMING
NORTHEAST AND DECREASING TO 5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2
TO 3 FEET...SUBSIDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT
CHOP...BECOMING SMOOTH TO A LIGHT CHOP.
.WEDNESDAY...SOUTHEAST TO SOUTH WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY NIGHT...SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.THURSDAY...VARIABLE WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH.
.THURSDAY NIGHT...VARIABLE WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST
TO NORTH AND INCREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT.
NEARSHORE WATERS SMOOTH...BECOMING A LIGHT TO MODERATE CHOP.
.FRIDAY...NORTH TO NORTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3
FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.
.FRIDAY NIGHT...NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS. SEAS
AROUND 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
ISOLATED SHOWERS.

$$

GMZ052>055-072>075-231530-
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-
431 AM EST MON JAN 23 2017

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 10 TO
14 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
EARLY...BECOMING SCATTERED SHOWERS LATE.
.TONIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR 20
KNOTS AFTER MIDNIGHT. SEAS 10 TO 14 FEET...SUBSIDING TO 9 TO 11
FEET AFTER MIDNIGHT IN A NORTHERLY SWELL.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
NEAR 10 KNOTS IN THE AFTERNOON. SEAS 6 TO 10 FEET...SUBSIDING TO
4 TO 7 FEET IN THE AFTERNOON IN A NORTHERLY SWELL.
.TUESDAY NIGHT...NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. SEAS 3
TO 5 FEET...SUBSIDING TO 2 TO 4 FEET.
.WEDNESDAY...SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET.
.WEDNESDAY NIGHT...SOUTHEAST TO SOUTH WINDS NEAR 10 KNOTS. SEAS 2
TO 3 FEET.
.THURSDAY...VARIABLE WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
.THURSDAY NIGHT...NORTHWEST TO NORTH WINDS NEAR 10 KNOTS. SEAS 2
TO 3 FEET. ISOLATED SHOWERS.
.FRIDAY AND FRIDAY NIGHT...NORTH TO NORTHEAST WINDS NEAR 15
KNOTS. SEAS 3 TO 5 FEET. ISOLATED SHOWERS.

$$

GMZ033-034-231530-
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-
431 AM EST MON JAN 23 2017

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 10 TO
14 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS...BECOMING
SCATTERED SHOWERS LATE.
.TONIGHT...NORTHWEST WINDS NEAR 25 KNOTS EARLY...DECREASING TO
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 10 TO 14 FEET IN A NORTHERLY
SWELL.
.TUESDAY...NORTHWEST WINDS NEAR 15 KNOTS EARLY...DECREASING TO
NEAR 10 KNOTS IN THE AFTERNOON. SEAS 6 TO 10 FEET...SUBSIDING TO
4 TO 7 FEET IN THE AFTERNOON IN A NORTHERLY SWELL.
.TUESDAY NIGHT...VARIABLE WINDS 5 TO 10 KNOTS. SEAS 4 TO 6
FEET...SUBSIDING TO 2 TO 4 FEET AFTER MIDNIGHT.
.WEDNESDAY...SOUTHEAST TO SOUTH WINDS NEAR 10 KNOTS. SEAS 1 TO 3
FEET.
.WEDNESDAY NIGHT...SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS
1 TO 2 FEET.
.THURSDAY...SOUTH TO SOUTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET.
.THURSDAY NIGHT...NORTH TO NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 2
TO 3 FEET. ISOLATED SHOWERS.
.FRIDAY AND FRIDAY NIGHT...NORTH TO NORTHEAST WINDS NEAR 15 KNOTS.
SEAS 3 TO 5 FEET. ISOLATED SHOWERS.

$$

BWC



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