Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 240331
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1031 PM EST THU FEB 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.

GMZ005-240930-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1031 PM EST THU FEB 23 2017

.SYNOPSIS...A LOW PRESSURE SYSTEM WILL REMAIN NEARLY STATIONARY
NORTHEAST OF THE NORTHERN BAHAMAS OVERNIGHT AND FRIDAY...BEFORE
LIFTING NORTHEASTWARD SATURDAY THROUGH SUNDAY. THEREAFTER...HIGH
PRESSURE WILL DOMINATE OUR WEATHER MONDAY THROUGH TUESDAY.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
FEBRUARY 23...

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

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-240930-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1031 PM EST THU FEB 23 2017

.OVERNIGHT...WEST TO NORTHWEST WINDS NEAR 15 KNOTS...DECREASING
TO 10 TO 15 KNOTS. BAY WATERS A LIGHT TO MODERATE CHOP.
.FRIDAY...WEST TO NORTHWEST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP.
.FRIDAY NIGHT...WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. BAY WATERS
SMOOTH TO A LIGHT CHOP.
.SATURDAY...VARIABLE WINDS NEAR 5 KNOTS...BECOMING WEST 5 TO 10
KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP.
.SATURDAY NIGHT...NORTHWEST TO NORTH WINDS NEAR 10 KNOTS. BAY
WATERS A LIGHT CHOP.
.SUNDAY...NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.SUNDAY NIGHT...EAST WINDS INCREASING TO 15 TO 20 KNOTS. BAY
WATERS BECOMING CHOPPY. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...EAST TO SOUTHEAST WINDS
NEAR 15 KNOTS. BAY WATERS A MODERATE CHOP. ISOLATED SHOWERS.

$$

GMZ032-035-240930-
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-
1031 PM EST THU FEB 23 2017

.OVERNIGHT...NORTHWEST WINDS NEAR 15 KNOTS...DECREASING TO 10 TO
15 KNOTS. SEAS 1 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP.
.FRIDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS...DECREASING TO
5 TO 10 KNOTS. SEAS 1 TO 2 FEET...SUBSIDING TO AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP...BECOMING SMOOTH TO A
LIGHT CHOP.
.FRIDAY NIGHT...WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS
1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.SATURDAY...VARIABLE WINDS 5 TO 10 KNOTS...BECOMING NORTHWEST.
SEAS 1 FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.SATURDAY NIGHT...NORTHWEST TO NORTH WINDS INCREASING TO 10 TO 15
KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS BECOMING A LIGHT TO
MODERATE CHOP.
.SUNDAY...NORTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.SUNDAY NIGHT...EAST WINDS INCREASING TO 15 TO 20 KNOTS. SEAS 1
TO 3 FEET. NEARSHORE WATERS BECOMING CHOPPY. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3
FEET. NEARSHORE WATERS CHOPPY.
.MONDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 1 TO
3 FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.
.TUESDAY AND TUESDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15
KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP. ISOLATED SHOWERS.

$$

GMZ042>044-240930-
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-
1031 PM EST THU FEB 23 2017

.OVERNIGHT...NORTHWEST WINDS NEAR 15 KNOTS...DECREASING TO 10 TO
15 KNOTS. SEAS AROUND 2 FEET. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP.
.FRIDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS...DECREASING TO
5 TO 10 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP...BECOMING SMOOTH TO A LIGHT CHOP.
.FRIDAY NIGHT...WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.SATURDAY...VARIABLE WINDS 5 TO 10 KNOTS...BECOMING WEST TO
NORTHWEST. SEAS AROUND 1 FOOT. NEARSHORE WATERS SMOOTH TO A LIGHT
CHOP.
.SATURDAY NIGHT...NORTHWEST TO NORTH WINDS INCREASING TO 10 TO 15
KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS BECOMING A LIGHT TO
MODERATE CHOP.
.SUNDAY...NORTHEAST TO EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.SUNDAY NIGHT...EAST WINDS INCREASING TO 15 TO 20 KNOTS. SEAS 2
TO 3 FEET. NEARSHORE WATERS BECOMING CHOPPY. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4
FEET. NEARSHORE WATERS CHOPPY.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...EAST TO SOUTHEAST WINDS 15
TO 20 KNOTS. SEAS 2 TO 4 FEET. NEARSHORE WATERS CHOPPY. ISOLATED
SHOWERS.

$$

GMZ052>055-072>075-240930-
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-
1031 PM EST THU FEB 23 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL SEAS SUBSIDE...

.OVERNIGHT...WEST TO NORTHWEST WINDS NEAR 15 KNOTS. SEAS 4 TO 6
FEET...SUBSIDING TO 3 TO 5 FEET. ISOLATED SHOWERS.
.FRIDAY...NORTHWEST WINDS 10 TO 15 KNOTS...DECREASING TO 5 TO 10
KNOTS. SEAS 2 TO 4 FEET. SEAS 3 TO 6 FEET SOUTHEAST OF THE UPPER
KEYS DUE TO NORTH TO NORTHEAST SWELLS.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
SEAS 3 TO 5 FEET SOUTHEAST OF THE UPPER KEYS DUE TO NORTH TO
NORTHEAST SWELLS.
.SATURDAY...WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO
3 FEET. SEAS 2 TO 4 FEET SOUTHEAST OF THE UPPER KEYS DUE TO NORTH
TO NORTHEAST SWELLS.
.SATURDAY NIGHT...NORTH WINDS INCREASING TO 10 TO 15 KNOTS. SEAS
2 TO 3 FEET. ISOLATED SHOWERS.
.SUNDAY...NORTHEAST TO EAST WINDS 10 TO 15 KNOTS...INCREASING TO
NEAR 15 KNOTS. SEAS 3 TO 4 FEET. ISOLATED SHOWERS.
.SUNDAY NIGHT...EAST WINDS INCREASING TO 15 TO 20 KNOTS. SEAS
BUILDING TO 4 TO 6 FEET. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS NEAR 20 KNOTS. SEAS 5 TO 7
FEET.
.MONDAY NIGHT THROUGH TUESDAY NIGHT...EAST TO SOUTHEAST WINDS 15
TO 20 KNOTS. SEAS 4 TO 7 FEET. ISOLATED SHOWERS.

$$

GMZ033-034-240930-
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-
1031 PM EST THU FEB 23 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL SEAS SUBSIDE...

.OVERNIGHT...NORTHWEST WINDS NEAR 15 KNOTS. SEAS 4 TO 6 FEET DUE
TO NORTHWEST SWELLS...SUBSIDING TO 3 TO 5 FEET.
.FRIDAY...NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS...DECREASING TO
5 TO 10 KNOTS. SEAS 3 TO 5 FEET DUE TO NORTHWEST TO NORTH
SWELLS...SUBSIDING TO 2 TO 3 FEET.
.FRIDAY NIGHT...NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 3 FEET.
.SATURDAY...WEST TO NORTHWEST WINDS 5 TO 10 KNOTS. SEAS 1 TO 2
FEET.
.SATURDAY NIGHT...NORTH WINDS NEAR 10 KNOTS...INCREASING TO NEAR
15 KNOTS. SEAS BUILDING TO 2 TO 3 FEET.
.SUNDAY...NORTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET.
ISOLATED SHOWERS.
.SUNDAY NIGHT...NORTHEAST TO EAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
5 FEET. ISOLATED SHOWERS.
.MONDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 6
FEET.
.MONDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO
4 FEET. ISOLATED SHOWERS.
.TUESDAY AND TUESDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15
KNOTS. SEAS 2 TO 3 FEET. ISOLATED SHOWERS.

$$

CLR


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