Coastal Waters Forecast
Issued by NWS

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FZUS52 KKEY 200330
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1030 PM EST SUN FEB 19 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.

GMZ005-200930-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1030 PM EST SUN FEB 19 2017

.SYNOPSIS...A WEAK COLD FRONT WILL PUSH THROUGH THE COASTAL
WATERS OF THE FLORIDA KEYS OVERNIGHT. HIGH PRESSURE CENTERED OVER
THE SOUTHEAST UNITED STATES...IN CONJUNCTION WITH A DEPARTING LOW
PRESSURE SYSTEM OVER THE WESTERN ATLANTIC...WILL RESULT IN
MODERATE BREEZES BOXING TO EAST MONDAY NIGHT AND TUESDAY. A TROUGH
OF LOW PRESSURE OVER THE CENTRAL GULF OF MEXICO WILL GRADUALLY
APPROACH THE FLORIDA KEYS WEDNESDAY THROUGH THURSDAY. A WEAKER
PRESSURE PATTERN IS EXPECTED TO DEVELOP BY FRIDAY.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
FEBRUARY TWENTIETH...

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

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-200930-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1030 PM EST SUN FEB 19 2017

.OVERNIGHT...NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS...BECOMING
NORTH TO NORTHEAST AND INCREASING TO NEAR 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP...BECOMING A MODERATE CHOP.
.MONDAY...NORTHEAST WINDS NEAR 15 KNOTS...BECOMING EAST AND
DECREASING TO 10 TO 15 KNOTS. BAY WATERS A MODERATE
CHOP...BECOMING A LIGHT TO MODERATE CHOP.
.MONDAY NIGHT AND TUESDAY...EAST WINDS 10 TO 15 KNOTS. BAY WATERS
A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP. ISOLATED SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.WEDNESDAY NIGHT AND THURSDAY...EAST TO SOUTHEAST WINDS 10 TO
15 KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...SOUTHEAST TO SOUTH WINDS
NEAR 10 KNOTS. BAY WATERS A LIGHT CHOP. ISOLATED SHOWERS.

$$

GMZ032-035-200930-
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-
1030 PM EST SUN FEB 19 2017

.OVERNIGHT...NORTH WINDS NEAR 10 KNOTS...BECOMING NORTH TO
NORTHEAST AND INCREASING TO NEAR 15 KNOTS. SEAS AROUND 1
FOOT...BUILDING TO 1 TO 2 FEET. NEARSHORE WATERS A LIGHT
CHOP...BECOMING A MODERATE CHOP.
.MONDAY...NORTHEAST WINDS NEAR 15 KNOTS...BECOMING EAST AND
DECREASING TO 10 TO 15 KNOTS. SEAS 1 TO 2 FEET...SUBSIDING TO
AROUND 1 FOOT. NEARSHORE WATERS A MODERATE CHOP...BECOMING A
LIGHT TO MODERATE CHOP.
.MONDAY NIGHT AND TUESDAY...EAST WINDS 10 TO 15 KNOTS. SEAS
AROUND 1 FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND
1 FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. SCATTERED
SHOWERS AND ISOLATED THUNDERSTORMS.
.WEDNESDAY NIGHT AND THURSDAY...EAST TO SOUTHEAST WINDS 10 TO 15
KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...SOUTHEAST TO SOUTH WINDS
NEAR 10 KNOTS. SEAS 1 FOOT OR LESS. NEARSHORE WATERS A LIGHT CHOP.
ISOLATED SHOWERS.

$$

GMZ042>044-200930-
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-
1030 PM EST SUN FEB 19 2017

.OVERNIGHT...NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS...BECOMING
NORTH TO NORTHEAST AND INCREASING TO NEAR 15 KNOTS. SEAS 1 TO 2
FEET...BUILDING TO 1 TO 3 FEET. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP...BECOMING A MODERATE CHOP.
.MONDAY...NORTHEAST WINDS NEAR 15 KNOTS...BECOMING EAST AND
DECREASING TO 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS A
MODERATE CHOP...BECOMING A LIGHT TO MODERATE CHOP.
.MONDAY NIGHT AND TUESDAY...EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 3
FEET. NEARSHORE WATERS A MODERATE CHOP.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS.
.WEDNESDAY NIGHT AND THURSDAY...EAST TO SOUTHEAST WINDS 10 TO
15 KNOTS. SEAS 1 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...SOUTHEAST TO SOUTH WINDS
10 TO 15 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP. ISOLATED SHOWERS.

$$

GMZ052>055-072>075-200930-
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-
1030 PM EST SUN FEB 19 2017

.OVERNIGHT...NORTH WINDS 10 TO 15 KNOTS...BECOMING NORTHEAST AND
INCREASING TO NEAR 15 KNOTS. SEAS 2 TO 3 FEET...BUILDING TO 3 TO 5
FEET.
.MONDAY...NORTHEAST WINDS NEAR 15 KNOTS...BECOMING EAST. SEAS 3
TO 5 FEET.
.MONDAY NIGHT AND TUESDAY...EAST WINDS NEAR 15 KNOTS. SEAS 3 TO 5
FEET.
.TUESDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO
5 FEET. ISOLATED SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO
4 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.WEDNESDAY NIGHT AND THURSDAY...EAST TO SOUTHEAST WINDS 10 TO 15
KNOTS. SEAS 2 TO 4 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...SOUTHEAST TO SOUTH WINDS
10 TO 15 KNOTS. SEAS 2 TO 3 FEET. ISOLATED SHOWERS.

$$

GMZ033-034-200930-
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-
1030 PM EST SUN FEB 19 2017

.OVERNIGHT...NORTHEAST WINDS 10 TO 15 KNOTS...INCREASING TO NEAR
15 KNOTS. SEAS 1 TO 3 FEET...BUILDING TO 2 TO 4 FEET.
.MONDAY...NORTHEAST WINDS NEAR 15 KNOTS...BECOMING EAST AND
DECREASING TO 10 TO 15 KNOTS. SEAS 2 TO 4 FEET...SUBSIDING TO 1
TO 3 FEET.
.MONDAY NIGHT AND TUESDAY...EAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4
FEET.
.TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
ISOLATED SHOWERS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
3 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.WEDNESDAY NIGHT AND THURSDAY...EAST TO SOUTHEAST WINDS 10 TO
15 KNOTS. SEAS 2 TO 3 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...SOUTHEAST TO SOUTH WINDS
NEAR 10 KNOTS. SEAS 1 TO 2 FEET. ISOLATED SHOWERS.

$$

CLR


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