Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 210332
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1032 PM EST MON FEB 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
1032 PM EST MON FEB 20 2017

.SYNOPSIS...AN AREA OF LOW PRESSURE WILL DEVELOP OVER THE GULF OF
MEXICO OVERNIGHT AND TUESDAY. THIS LOW PRESSURE SYSTEM IS
EXPECTED TO MOVE EAST ACROSS THE GULF OF MEXICO TUESDAY
NIGHT...AND THEN THROUGH THE COASTAL WATERS OF THE FLORIDA KEYS
WEDNESDAY THROUGH THURSDAY MORNING. AS A RESULT...SCATTERED TO
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS WILL AFFECT WIND AND
SEA CONDITIONS TUESDAY NIGHT THROUGH WEDNESDAY NIGHT. WINDS AND
SEAS WILL BEGIN TO SUBSIDE THURSDAY NIGHT OR 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.

$$

GMZ031-210930-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1032 PM EST MON FEB 20 2017

.OVERNIGHT...NORTHEAST TO EAST WINDS NEAR 10 KNOTS. BAY WATERS A
LIGHT CHOP.
.TUESDAY...EAST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP.
.TUESDAY NIGHT...SOUTHEAST WINDS NEAR 15 KNOTS. BAY WATERS A
MODERATE CHOP. ISOLATED SHOWERS IN THE EVENING...THEN WINDS HIGHER
AND BAY WATERS ROUGH IN AND NEAR SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS AFTER MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. WINDS
HIGHER AND BAY WATERS ROUGH IN AND NEAR NUMEROUS SHOWERS AND
SCATTERED THUNDERSTORMS.
.WEDNESDAY NIGHT...SOUTHWEST WINDS NEAR 15 KNOTS...BECOMING WEST
TO NORTHWEST. BAY WATERS A MODERATE CHOP. WINDS HIGHER AND BAY
WATERS ROUGH IN AND NEAR NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.THURSDAY NIGHT THROUGH SATURDAY...WEST TO NORTHWEST WINDS NEAR
10 KNOTS. BAY WATERS A LIGHT CHOP. ISOLATED SHOWERS.
.SATURDAY NIGHT...NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.

$$

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-
1032 PM EST MON FEB 20 2017

.OVERNIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS...BECOMING
NORTHEAST TO EAST AND DECREASING TO NEAR 10 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.TUESDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 1 TO 3 FEET.
NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS IN THE
EVENING...THEN WINDS AND SEAS HIGHER IN AND NEAR SCATTERED SHOWERS
AND ISOLATED THUNDERSTORMS AFTER MIDNIGHT.
.WEDNESDAY...SOUTH WINDS 15 TO 20 KNOTS...BECOMING SOUTHWEST LATE
IN THE AFTERNOON. SEAS 2 TO 3 FEET. NEARSHORE WATERS CHOPPY.
WINDS AND SEAS HIGHER IN AND NEAR NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
.WEDNESDAY NIGHT...WEST TO NORTHWEST WINDS NEAR 15 KNOTS. SEAS 2
TO 3 FEET. NEARSHORE WATERS A MODERATE CHOP. WINDS AND SEAS HIGHER
IN AND NEAR NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS.
.THURSDAY...WEST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT TO MODERATE CHOP. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.
.THURSDAY NIGHT THROUGH SATURDAY...WEST TO NORTHWEST WINDS NEAR
10 KNOTS. SEAS AROUND 1 FOOT. NEARSHORE WATERS A LIGHT CHOP.
ISOLATED SHOWERS.
.SATURDAY NIGHT...NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS. SEAS 1
TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED
SHOWERS.


$$

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-
1032 PM EST MON FEB 20 2017

.OVERNIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.TUESDAY...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 1 TO 3
FEET. NEARSHORE WATERS A MODERATE CHOP.
.TUESDAY NIGHT...SOUTHEAST WINDS NEAR 15 KNOTS...INCREASING TO 15
TO 20 KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS A MODERATE
CHOP...BECOMING CHOPPY. ISOLATED SHOWERS IN THE EVENING...THEN
WINDS AND SEAS HIGHER IN AND NEAR SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS AFTER MIDNIGHT.
.WEDNESDAY...SOUTH TO SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS 2 TO 4
FEET. NEARSHORE WATERS CHOPPY. WINDS AND SEAS HIGHER IN AND NEAR
NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS.
.WEDNESDAY NIGHT...WEST TO NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 2
TO 4 FEET. NEARSHORE WATERS CHOPPY. WINDS AND SEAS HIGHER IN AND
NEAR NUMEROUS SHOWERS AND SCATTERED THUNDERSTORMS.
.THURSDAY...WEST WINDS DECREASING TO 10 TO 15 KNOTS. SEAS
SUBSIDING TO 1 TO 3 FEET. NEARSHORE WATERS BECOMING A LIGHT TO
MODERATE CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.
.THURSDAY NIGHT THROUGH SATURDAY...NORTHWEST WINDS 10 TO 15
KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP. ISOLATED SHOWERS.
.SATURDAY NIGHT...NORTHWEST TO NORTH WINDS 10 TO 15 KNOTS. SEAS 1
TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED
SHOWERS.

$$

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-
1032 PM EST MON FEB 20 2017

.OVERNIGHT...EAST WINDS NEAR 15 KNOTS. SEAS 3 TO 5 FEET. ISOLATED
SHOWERS.
.TUESDAY...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5
FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6
FEET. ISOLATED SHOWERS IN THE EVENING...THEN WINDS AND SEAS HIGHER
IN AND NEAR SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS AFTER
MIDNIGHT.
.WEDNESDAY...SOUTH TO SOUTHWEST WINDS 15 TO 20 KNOTS. SEAS 4 TO 7
FEET. WINDS AND SEAS HIGHER IN AND NEAR NUMEROUS SHOWERS AND
SCATTERED THUNDERSTORMS.
.WEDNESDAY NIGHT...WEST TO NORTHWEST WINDS 15 TO 20 KNOTS. SEAS 4
TO 6 FEET. WINDS AND SEAS HIGHER IN AND NEAR NUMEROUS SHOWERS AND
SCATTERED THUNDERSTORMS.
.THURSDAY...WEST WINDS DECREASING TO 10 TO 15 KNOTS. SEAS
SUBSIDING TO 3 TO 5 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.THURSDAY NIGHT THROUGH SATURDAY...NORTHWEST WINDS 10 TO 15
KNOTS. SEAS 2 TO 4 FEET. ISOLATED SHOWERS.
.SATURDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.
ISOLATED SHOWERS.

$$

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-
1032 PM EST MON FEB 20 2017

.OVERNIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 3 FEET.
.TUESDAY...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS...INCREASING TO
15 TO 20 KNOTS. SEAS 2 TO 4 FEET.
.TUESDAY NIGHT...SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 4
FEET. ISOLATED SHOWERS IN THE EVENING...THEN WINDS AND SEAS HIGHER
IN AND NEAR SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS AFTER
MIDNIGHT.
.WEDNESDAY...SOUTH TO SOUTHWEST WINDS 15 TO 20 KNOTS...BECOMING
SOUTHWEST TO WEST LATE IN THE AFTERNOON. SEAS 3 TO 5 FEET. WINDS
AND SEAS HIGHER IN AND NEAR NUMEROUS SHOWERS AND SCATTERED
THUNDERSTORMS.
.WEDNESDAY NIGHT...WEST TO NORTHWEST WINDS NEAR 15 KNOTS. SEAS 4
TO 5 FEET. WINDS AND SEAS HIGHER IN AND NEAR NUMEROUS SHOWERS AND
SCATTERED THUNDERSTORMS.
.THURSDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. SEAS
SUBSIDING TO 2 TO 4 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.
.THURSDAY NIGHT THROUGH SATURDAY...NORTHWEST TO NORTH WINDS NEAR
10 KNOTS. SEAS 2 TO 3 FEET. ISOLATED SHOWERS.
.SATURDAY NIGHT...NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.
ISOLATED SHOWERS.

$$

CLR



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