Coastal Waters Forecast
Issued by NWS

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212
FZUS52 KKEY 210916
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
416 AM EST SAT JAN 21 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.

GMZ005-211530-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
416 AM EST SAT JAN 21 2017

.SYNOPSIS...AN AREA OF HIGH PRESSURE NEAR THE BAHAMAS WILL MOVE
EASTWARD TODAY AND TONIGHT. A STRONG COLD FRONT WILL PROGRESS
RAPIDLY EASTWARD ACROSS THE GULF OF MEXICO SUNDAY...BEFORE
SWEEPING THROUGH THE FLORIDA KEYS SUNDAY NIGHT. SOUTHERLY BREEZES
WILL FRESHEN TONIGHT AND SUNDAY. HAZARDOUS MARINE CONDITIONS
EXPECTED SUNDAY NIGHT INTO MONDAY NIGHT.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
JANUARY 19TH...

31 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
10 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
21 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
22 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
 8 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
 8 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
 7 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.

$$

GMZ031-211530-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
416 AM EST SAT JAN 21 2017

.TODAY...SOUTH WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT CHOP.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO NEAR 15
KNOTS AFTER MIDNIGHT. BAY WATERS A LIGHT TO MODERATE CHOP.
ISOLATED SHOWERS.
.SUNDAY...SOUTH TO SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO
NEAR 20 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY...BECOMING
ROUGH. ISOLATED SHOWERS.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...BECOMING WEST AND
INCREASING TO 25 TO 30 KNOTS AFTER MIDNIGHT. BAY WATERS VERY
ROUGH...BECOMING EXTREMELY ROUGH. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING. WINDS HIGHER NEAR SHOWERS AND
SCATTERED THUNDERSTORMS OVERNIGHT.
.MONDAY...WEST TO NORTHWEST WINDS NEAR 25 KNOTS. BAY WATERS
EXTREMELY ROUGH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN
THE MORNING. SCATTERED SHOWERS IN THE AFTERNOON.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS AFTER MIDNIGHT. BAY WATERS EXTREMELY ROUGH...BECOMING
ROUGH.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS BY NOON. BAY WATERS CHOPPY...BECOMING A LIGHT TO
MODERATE CHOP.
.TUESDAY NIGHT...NORTH WINDS NEAR 10 KNOTS...BECOMING EAST AFTER
MIDNIGHT. BAY WATERS A LIGHT CHOP.
.WEDNESDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP.

$$

GMZ032-035-211530-
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 SAT JAN 21 2017

.TODAY...SOUTH WINDS NEAR 10 KNOTS. SEAS 1 FOOT OR LESS. NEARSHORE
WATERS A LIGHT CHOP.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20
KNOTS AFTER MIDNIGHT. SEAS AROUND 1 FOOT...BUILDING TO 2 TO 3
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP...BECOMING CHOPPY.
ISOLATED SHOWERS.
.SUNDAY...SOUTH TO SOUTHWEST WINDS NEAR 20 KNOTS. SEAS 2 TO 4
FEET. NEARSHORE WATERS ROUGH. ISOLATED SHOWERS.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...BECOMING WEST AND
INCREASING TO 25 TO 30 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4
FEET...BUILDING TO 4 TO 6 FEET. NEARSHORE WATERS VERY
ROUGH...BECOMING EXTREMELY ROUGH. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING. WINDS AND SEAS HIGHER NEAR SHOWERS
AND SCATTERED THUNDERSTORMS OVERNIGHT.
.MONDAY...WEST TO NORTHWEST WINDS NEAR 25 KNOTS. SEAS 4 TO 6 FEET.
NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS IN THE AFTERNOON.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET...SUBSIDING TO 3 TO 5
FEET. NEARSHORE WATERS EXTREMELY ROUGH...BECOMING ROUGH.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS BY NOON. SEAS 3 TO 4 FEET...SUBSIDING TO 1 TO 2
FEET. NEARSHORE WATERS CHOPPY...BECOMING A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...NORTH WINDS NEAR 10 KNOTS...BECOMING EAST AFTER
MIDNIGHT. SEAS AROUND 1 FOOT. NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 FOOT OR
LESS. NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.

$$

GMZ042>044-211530-
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 SAT JAN 21 2017

.TODAY...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20
KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET...BUILDING TO 2 TO 4
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP...BECOMING CHOPPY.
ISOLATED SHOWERS.
.SUNDAY...SOUTH TO SOUTHWEST WINDS NEAR 20 KNOTS. SEAS 3 TO 5
FEET. NEARSHORE WATERS ROUGH. ISOLATED SHOWERS.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...BECOMING WEST AND
INCREASING TO NEAR 30 KNOTS AFTER MIDNIGHT. SEAS 4 TO 5
FEET...BUILDING TO 5 TO 7 FEET. NEARSHORE WATERS VERY
ROUGH...BECOMING EXTREMELY ROUGH. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING. WINDS AND SEAS HIGHER NEAR SHOWERS
AND SCATTERED THUNDERSTORMS OVERNIGHT.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 5 TO 7
FEET. NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS IN THE
AFTERNOON.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET...SUBSIDING TO 4 TO 6
FEET. NEARSHORE WATERS EXTREMELY ROUGH...BECOMING ROUGH.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS BY NOON. SEAS 4 TO 5 FEET...SUBSIDING TO 2 TO 3
FEET. NEARSHORE WATERS CHOPPY...BECOMING A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...NORTH WINDS NEAR 10 KNOTS...BECOMING EAST AFTER
MIDNIGHT. SEAS AROUND 2 FEET. NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.

$$

GMZ052>055-072>075-211530-
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 SAT JAN 21 2017

.TODAY...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4
FEET.
.TONIGHT...SOUTH WINDS NEAR 15 KNOTS...INCREASING TO NEAR 20 KNOTS
AFTER MIDNIGHT. SEAS 3 TO 5 FEET...BUILDING TO 5 TO 7 FEET.
ISOLATED SHOWERS.
.SUNDAY...SOUTH TO SOUTHWEST WINDS 20 TO 25 KNOTS. SEAS 6 TO 8
FEET. ISOLATED SHOWERS.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...BECOMING WEST AND
INCREASING TO NEAR 30 KNOTS AFTER MIDNIGHT. SEAS 6 TO 8
FEET...BUILDING TO 8 TO 10 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING. WINDS AND SEAS HIGHER NEAR SHOWERS
AND SCATTERED THUNDERSTORMS OVERNIGHT.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 9 TO 11
FEET...BUILDING TO 10 TO 13 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE MORNING. SCATTERED SHOWERS IN THE AFTERNOON.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS AFTER MIDNIGHT. SEAS 9 TO 12 FEET...SUBSIDING TO 7 TO 9
FEET.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS BY NOON. SEAS 6 TO 8 FEET...SUBSIDING TO 3 TO 5
FEET.
.TUESDAY NIGHT...NORTH WINDS NEAR 10 KNOTS...BECOMING EAST AFTER
MIDNIGHT. SEAS 2 TO 4 FEET.
.WEDNESDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4
FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO 4
FEET.

$$

GMZ033-034-211530-
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 SAT JAN 21 2017

.TODAY...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET.
.TONIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20
KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET...BUILDING TO 3 TO 5 FEET.
ISOLATED SHOWERS.
.SUNDAY...SOUTH TO SOUTHWEST WINDS NEAR 20 KNOTS...INCREASING TO
20 TO 25 KNOTS BY NOON. SEAS 4 TO 6 FEET...BUILDING TO 5 TO 7
FEET. ISOLATED SHOWERS.
.SUNDAY NIGHT...SOUTHWEST WINDS 20 TO 25 KNOTS...BECOMING WEST AND
INCREASING TO 25 TO 30 KNOTS AFTER MIDNIGHT. SEAS 6 TO 8
FEET...BUILDING TO 9 TO 11 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS IN THE EVENING. WINDS AND SEAS HIGHER NEAR SHOWERS
AND SCATTERED THUNDERSTORMS OVERNIGHT.
.MONDAY...WEST TO NORTHWEST WINDS NEAR 25 KNOTS. SEAS 10 TO 13
FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE MORNING.
SCATTERED SHOWERS IN THE AFTERNOON.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS AFTER MIDNIGHT. SEAS 9 TO 12 FEET...SUBSIDING TO 7 TO 9
FEET.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS BY NOON. SEAS 6 TO 8 FEET...SUBSIDING TO 3 TO 5
FEET.
.TUESDAY NIGHT...NORTH WINDS NEAR 10 KNOTS...BECOMING EAST AFTER
MIDNIGHT. SEAS 2 TO 4 FEET.
.WEDNESDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3
FEET.
.WEDNESDAY NIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET.

$$
BS



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