Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 182129
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
429 PM EST WED JAN 18 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.

GMZ005-190330-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
429 PM EST WED JAN 18 2017

.SYNOPSIS...A HIGH PRESSURE SYSTEM WILL BE LOCATED IN THE VICINITY
OF THE BAHAMAS TONIGHT THROUGH FRIDAY NIGHT. THIS HIGH PRESSURE
SYSTEM WILL MOVE EASTWARD SATURDAY AND SATURDAY NIGHT. A STRONG
COLD FRONT WILL PROGRESS EASTWARD THROUGH THE GULF OF MEXICO
SUNDAY. THIS COLD FRONT SHOULD SWEEP THROUGH THE FLORIDA KEYS
SUNDAY NIGHT.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
JANUARY 16TH...

32 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
39 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
34 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
15 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
13 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
 7 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 NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-190330-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
429 PM EST WED JAN 18 2017

.TONIGHT...VARIABLE WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A
LIGHT CHOP.
.THURSDAY...EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...SOUTHEAST WINDS NEAR 10
KNOTS. BAY WATERS A LIGHT CHOP.
.SATURDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP.
.SATURDAY NIGHT...SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS. BAY
WATERS A MODERATE CHOP. ISOLATED SHOWERS.
.SUNDAY...SOUTH WINDS NEAR 15 KNOTS...INCREASING TO NEAR 20 KNOTS
IN THE AFTERNOON. BAY WATERS A MODERATE CHOP...BECOMING ROUGH.
ISOLATED SHOWERS.
.SUNDAY NIGHT...SOUTH TO SOUTHWEST WINDS NEAR 20 KNOTS...BECOMING
WEST AND INCREASING TO NEAR 25 KNOTS AFTER MIDNIGHT. BAY WATERS
ROUGH...BECOMING EXTREMELY ROUGH. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. BAY WATERS
EXTREMELY ROUGH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.MONDAY NIGHT...NORTHWEST WINDS 25 TO 30 KNOTS...DECREASING TO
NEAR 20 KNOTS. BAY WATERS EXTREMELY ROUGH...BECOMING ROUGH.
SCATTERED SHOWERS.

$$

GMZ032-035-190330-
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-
429 PM EST WED JAN 18 2017

.TONIGHT...EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.THURSDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS A LIGHT CHOP.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.FRIDAY AND FRIDAY NIGHT...SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1
FOOT OR LESS. NEARSHORE WATERS A LIGHT CHOP.
.SATURDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.SATURDAY NIGHT...SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS. SEAS 1
TO 2 FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO 25
KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET...BUILDING TO 3 TO 4
FEET. NEARSHORE WATERS CHOPPY...BECOMING VERY ROUGH. ISOLATED
SHOWERS.
.SUNDAY NIGHT...SOUTH TO SOUTHWEST WINDS 20 TO 25 KNOTS...BECOMING
WEST AND INCREASING TO NEAR 25 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5
FEET. NEARSHORE WATERS VERY ROUGH...BECOMING EXTREMELY ROUGH.
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 4 TO 8
FEET. NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
.MONDAY NIGHT...NORTHWEST WINDS 25 TO 30 KNOTS...DECREASING TO
NEAR 20 KNOTS. SEAS 4 TO 8 FEET...SUBSIDING TO 2 TO 5 FEET.
NEARSHORE WATERS EXTREMELY ROUGH...BECOMING ROUGH. SCATTERED
SHOWERS.

$$

GMZ042>044-190330-
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-
429 PM EST WED JAN 18 2017

.TONIGHT...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT CHOP.
.THURSDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT CHOP.
.THURSDAY NIGHT THROUGH SATURDAY...SOUTHEAST WINDS 10 TO 15
KNOTS. SEAS AROUND 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP.
.SATURDAY NIGHT...SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS. SEAS 2
TO 3 FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO 25
KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET...BUILDING TO 4 TO 6
FEET. NEARSHORE WATERS CHOPPY...BECOMING VERY ROUGH. ISOLATED
SHOWERS.
.SUNDAY NIGHT...SOUTH TO SOUTHWEST WINDS 20 TO 25 KNOTS...BECOMING
WEST AND INCREASING TO NEAR 25 KNOTS AFTER MIDNIGHT. SEAS 4 TO 7
FEET. NEARSHORE WATERS VERY ROUGH...BECOMING EXTREMELY ROUGH.
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 5 TO 7
FEET. NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
.MONDAY NIGHT...NORTHWEST WINDS 25 TO 30 KNOTS...DECREASING TO
NEAR 20 KNOTS. SEAS 4 TO 7 FEET...SUBSIDING TO 3 TO 5 FEET.
NEARSHORE WATERS EXTREMELY ROUGH...BECOMING ROUGH. SCATTERED
SHOWERS.

$$

GMZ052>055-072>075-190330-
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-
429 PM EST WED JAN 18 2017

.TONIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4
FEET.
.THURSDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4
FEET.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...SOUTHEAST WINDS 10 TO 15
KNOTS. SEAS 2 TO 4 FEET.
.SATURDAY...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO 5 FEET.
.SATURDAY NIGHT...SOUTHEAST TO SOUTH WINDS 15 TO 20 KNOTS. SEAS 4
TO 6 FEET. ISOLATED SHOWERS.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO 25
KNOTS IN THE AFTERNOON. SEAS 4 TO 7 FEET...BUILDING TO 6 TO 8
FEET. ISOLATED SHOWERS.
.SUNDAY NIGHT...SOUTH TO SOUTHWEST WINDS 20 TO 25 KNOTS...BECOMING
WEST AND INCREASING TO NEAR 25 KNOTS AFTER MIDNIGHT. SEAS 6 TO 8
FEET...BUILDING TO 7 TO 10 FEET. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 8 TO 11
FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.MONDAY NIGHT...NORTHWEST WINDS 25 TO 30 KNOTS...DECREASING TO
NEAR 20 KNOTS. SEAS 8 TO 11 FEET...SUBSIDING TO 6 TO 9 FEET.
SCATTERED SHOWERS.

$$

GMZ033-034-190330-
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-
429 PM EST WED JAN 18 2017

.TONIGHT...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET.
.THURSDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET.
.THURSDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET.
.FRIDAY THROUGH SATURDAY...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2
TO 3 FEET.
.SATURDAY NIGHT...SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS. SEAS 2
TO 4 FEET. ISOLATED SHOWERS.
.SUNDAY...SOUTH WINDS 15 TO 20 KNOTS...INCREASING TO 20 TO 25
KNOTS IN THE AFTERNOON. SEAS 3 TO 6 FEET...BUILDING TO 4 TO 7
FEET. ISOLATED SHOWERS.
.SUNDAY NIGHT...SOUTH TO SOUTHWEST WINDS 20 TO 25 KNOTS...BECOMING
WEST AND INCREASING TO NEAR 25 KNOTS AFTER MIDNIGHT. SEAS 6 TO 8
FEET...BUILDING TO 7 TO 10 FEET. NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 8 TO 12
FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.MONDAY NIGHT...NORTHWEST WINDS 25 TO 30 KNOTS...DECREASING TO
NEAR 20 KNOTS. SEAS 8 TO 12 FEET...SUBSIDING TO 6 TO 8 FEET.
SCATTERED SHOWERS.

$$

BS



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