Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 210323
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1023 PM EST FRI JAN 20 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.

GMZ005-210930-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1023 PM EST FRI JAN 20 2017

.SYNOPSIS...AN AREA OF HIGH PRESSURE NEAR THE BAHAMAS WILL MOVE
EASTWARD TONIGHT THROUGH SATURDAY NIGHT. A COLD FRONT WILL
PROGRESS RAPIDLY EASTWARD ACROSS THE GULF OF MEXICO
SUNDAY...SWEEPING THROUGH THE FLORIDA KEYS SUNDAY NIGHT. BREEZES
WILL FRESHEN SATURDAY NIGHT AND SUNDAY. HAZARDOUS MARINE
CONDITIONS ARE 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.

$$

GMZ031-210930-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1023 PM EST FRI JAN 20 2017

.OVERNIGHT...SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
.SATURDAY...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO NEAR
15 KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.SUNDAY...SOUTH TO SOUTHWEST WINDS 15 TO 20 KNOTS...INCREASING TO
NEAR 20 KNOTS. BAY WATERS CHOPPY...BECOMING ROUGH. SCATTERED
SHOWERS.
.SUNDAY NIGHT...SOUTHWEST WINDS NEAR 20 KNOTS...BECOMING WEST AND
INCREASING TO 25 TO 30 KNOTS AFTER MIDNIGHT. BAY WATERS
ROUGH...BECOMING EXTREMELY ROUGH. WINDS HIGHER NEAR SHOWERS AND
SCATTERED THUNDERSTORMS AFTER MIDNIGHT.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. BAY WATERS
EXTREMELY ROUGH. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS
EARLY.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS. BAY WATERS EXTREMELY ROUGH...BECOMING ROUGH. ISOLATED
SHOWERS.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS. BAY WATERS CHOPPY...BECOMING A LIGHT TO MODERATE
CHOP.
.TUESDAY NIGHT...NORTH TO NORTHEAST WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP.
.WEDNESDAY AND WEDNESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP.

$$

GMZ032-035-210930-
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-
1023 PM EST FRI JAN 20 2017

.OVERNIGHT...SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 FOOT
OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.SATURDAY...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY 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 NEAR 20 KNOTS...BECOMING WEST AND
INCREASING TO NEAR 30 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4
FEET...BUILDING TO 4 TO 6 FEET. NEARSHORE WATERS ROUGH...BECOMING
EXTREMELY ROUGH. WINDS AND SEAS HIGHER NEAR SHOWERS AND SCATTERED
THUNDERSTORMS AFTER MIDNIGHT.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 4 TO 6
FEET. NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS EARLY.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS. SEAS 4 TO 6 FEET...SUBSIDING TO 3 TO 5 FEET. NEARSHORE
WATERS EXTREMELY ROUGH...BECOMING ROUGH. ISOLATED SHOWERS.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS. SEAS 3 TO 4 FEET...SUBSIDING TO 1 TO 2 FEET.
NEARSHORE WATERS CHOPPY...BECOMING A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...NORTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY AND WEDNESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1
TO 2 FEET.

$$

GMZ042>044-210930-
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-
1023 PM EST FRI JAN 20 2017

.OVERNIGHT...SOUTHEAST TO SOUTH WINDS NEAR 10 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS A LIGHT CHOP.
.SATURDAY...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY 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 NEAR 20 KNOTS...BECOMING WEST AND
INCREASING TO NEAR 30 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5
FEET...BUILDING TO 5 TO 7 FEET. NEARSHORE WATERS ROUGH...BECOMING
EXTREMELY ROUGH. WINDS AND SEAS HIGHER NEAR SHOWERS AND SCATTERED
THUNDERSTORMS AFTER MIDNIGHT.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 5 TO 7
FEET. NEARSHORE WATERS EXTREMELY ROUGH. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS EARLY.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS. SEAS 5 TO 7 FEET...SUBSIDING TO 4 TO 6 FEET. NEARSHORE
WATERS EXTREMELY ROUGH...BECOMING ROUGH. ISOLATED SHOWERS.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS. SEAS 3 TO 5 FEET...SUBSIDING TO 2 TO 4 FEET.
NEARSHORE WATERS CHOPPY...BECOMING A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY AND WEDNESDAY NIGHT...MOSTLY EAST WINDS NEAR 15 KNOTS.
SEAS 2 TO 3 FEET. NEARSHORE WATERS A MODERATE CHOP.

$$

GMZ052>055-072>075-210930-
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-
1023 PM EST FRI JAN 20 2017

.OVERNIGHT...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4
FEET.
.SATURDAY...SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS. SEAS 3 TO 4
FEET.
.SATURDAY NIGHT...SOUTH WINDS NEAR 15 KNOTS...INCREASING TO NEAR
20 KNOTS BY 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. SCATTERED 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. WINDS AND SEAS HIGHER NEAR
SHOWERS AND SCATTERED THUNDERSTORMS FROM WEST TO EAST.
.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 EARLY.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS. SEAS 9 TO 12 FEET...SUBSIDING TO 7 TO 9 FEET. ISOLATED
SHOWERS.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS. SEAS 6 TO 8 FEET...SUBSIDING TO 4 TO 6 FEET.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...MOSTLY EAST WINDS NEAR
15 KNOTS. SEAS 3 TO 5 FEET.

$$

GMZ033-034-210930-
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-
1023 PM EST FRI JAN 20 2017

.OVERNIGHT...SOUTHEAST TO SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET.
.SATURDAY...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET.
.SATURDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO
20 KNOTS BY 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 IN THE AFTERNOON. SEAS 4 TO 6 FEET...BUILDING TO 5
TO 7 FEET. SCATTERED 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 9 TO 11 FEET. WINDS AND SEAS HIGHER NEAR
SHOWERS AND SCATTERED THUNDERSTORMS.
.MONDAY...WEST TO NORTHWEST WINDS 25 TO 30 KNOTS. SEAS 10 TO 13
FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS VERY EARLY.
.MONDAY NIGHT...NORTHWEST WINDS NEAR 25 KNOTS...DECREASING TO NEAR
20 KNOTS. SEAS 9 TO 12 FEET...SUBSIDING TO 7 TO 9 FEET. ISOLATED
SHOWERS.
.TUESDAY...NORTHWEST TO NORTH WINDS 15 TO 20 KNOTS...DECREASING TO
10 TO 15 KNOTS. SEAS 6 TO 8 FEET...SUBSIDING TO 3 TO 5 FEET.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...MOSTLY EAST WINDS NEAR 15
KNOTS. SEAS 2 TO 4 FEET.

$$



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