Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 270228
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1030 PM EDT THU MAR 26 2015

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.

GMZ005-270830-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1030 PM EDT THU MAR 26 2015

.SYNOPSIS...A COLD FRONT NEAR THE TEXAS COAST WILL MOVE QUICKLY
SOUTHEASTWARD...REACHING THE SOUTHEASTERN GULF OF MEXICO AND THE
FLORIDA KEYS COASTAL WATERS BY LATE FRIDAY NIGHT. GENTLE TO MODERATE
SOUTHEAST TO SOUTH BREEZES WILL BECOME SOUTHWEST FRIDAY MORNING.
WEST BREEZES WILL FRESHEN FRIDAY AFTERNOON AND EVENING...FOLLOWED BY
STRONG NORTHWEST TO NORTH BREEZES LATE FRIDAY NIGHT. THEREAFTER...A
BROAD AREA OF HIGH PRESSURE WILL SLIDE SOUTHEASTWARD THROUGH THE
EASTERN UNITED STATES.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
MARCH 25...

46 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
26 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
 8 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
 2 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
 LESS THAN 1 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
 4 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
 6 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
12 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-270830-
FLORIDA BAY INCLUDING BLACKWATER SOUND, BUTTONWOOD SOUND, AND
BARNES SOUND-
1030 PM EDT THU MAR 26 2015

.OVERNIGHT...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.FRIDAY...SOUTH TO SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST AND
INCREASING TO 15 TO 20 KNOTS IN THE AFTERNOON. BAY WATERS A LIGHT TO
MODERATE CHOP...BECOMING CHOPPY. SCATTERED SHOWERS IN THE MORNING.
BAY WATERS ROUGH IN AND NEAR NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS IN THE AFTERNOON.
.FRIDAY NIGHT...WEST TO NORTHWEST WINDS NEAR 20 KNOTS...SHIFTING TO
NORTH AND INCREASING TO 20 TO 25 KNOTS. BAY WATERS BECOMING VERY
ROUGH. SCATTERED SHOWERS IN THE EVENING...THEN ISOLATED SHOWERS AFTER
MIDNIGHT.
.SATURDAY...NORTH WINDS 20 TO 25 KNOTS...DECREASING TO NEAR 15 KNOTS
IN THE AFTERNOON. BAY WATERS VERY ROUGH...BECOMING A MODERATE CHOP.
.SATURDAY NIGHT...NORTH TO NORTHEAST WINDS NEAR 20 KNOTS. BAY WATERS
ROUGH.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS...DECREASING TO 10 TO 15
KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY...BECOMING A LIGHT TO
MODERATE CHOP.
.SUNDAY NIGHT...NORTHEAST WINDS NEAR 15 KNOTS. BAY WATERS A MODERATE
CHOP.
.MONDAY THROUGH TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP.

$$

GMZ032-035-270830-
BAYSIDE AND GULFSIDE 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 EDT THU MAR 26 2015

.OVERNIGHT...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.FRIDAY...SOUTH TO SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST AND
INCREASING TO 15 TO 20 KNOTS AND GUSTY IN THE AFTERNOON. SEAS AROUND
1 FOOT...BUILDING TO 1 TO 3 FEET. NEARSHORE WATERS A LIGHT TO
MODERATE CHOP...BECOMING CHOPPY TO ROUGH. SCATTERED SHOWERS IN THE
MORNING. WINDS AND SEAS HIGHER IN AND NEAR NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.FRIDAY NIGHT...WEST TO NORTHWEST WINDS NEAR 20 KNOTS...SHIFTING TO
NORTH AND INCREASING TO 20 TO 25 KNOTS. SEAS 2 TO 4 FEET...AND AS
HIGH AS 5 FEET WEST OF THE MARQUESAS KEYS. NEARSHORE WATERS BECOMING
VERY ROUGH. SCATTERED SHOWERS IN THE EVENING...THEN ISOLATED SHOWERS
AFTER MIDNIGHT.
.SATURDAY...NORTH WINDS 20 TO 25 KNOTS EARLY...DECREASING TO 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET...AS HIGH AS 6 FEET WEST
OF THE MARQUESAS KEYS. NEARSHORE WATERS VERY ROUGH...BECOMING CHOPPY.
.SATURDAY NIGHT...NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO
4 FEET. NEARSHORE WATERS CHOPPY.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 2 TO 3 FEET.
NEARSHORE WATERS CHOPPY.
.SUNDAY NIGHT...NORTHEAST WINDS NEAR 15 KNOTS. SEAS AROUND 2 FEET.
NEARSHORE WATERS A MODERATE CHOP.
.MONDAY THROUGH TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.

$$

GMZ042>044-270830-
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 EDT THU MAR 26 2015

.OVERNIGHT...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.FRIDAY...SOUTH TO SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST
AND INCREASING TO 15 TO 20 KNOTS IN THE AFTERNOON. SEAS AROUND 2
FEET...BUILDING TO 2 TO 3 FEET. NEARSHORE WATERS A LIGHT TO MODERATE
CHOP...BECOMING CHOPPY. SCATTERED SHOWERS IN THE MORNING. WINDS AND
SEAS HIGHER IN AND NEAR NUMEROUS SHOWERS AND ISOLATED THUNDERSTORMS
IN THE AFTERNOON.
.FRIDAY NIGHT...WEST TO NORTHWEST WINDS NEAR 20 KNOTS...SHIFTING TO
NORTH AND INCREASING TO 20 TO 25 KNOTS. SEAS 2 TO 4 FEET. NEARSHORE
WATERS BECOMING VERY ROUGH. SCATTERED SHOWERS IN THE EVENING...THEN
ISOLATED SHOWERS AFTER MIDNIGHT.
.SATURDAY...NORTH WINDS 20 TO 25 KNOTS EARLY...DECREASING TO 15 TO
20 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET...SUBSIDING TO 2 TO 3
FEET. NEARSHORE WATERS VERY ROUGH...BECOMING CHOPPY.
.SATURDAY NIGHT AND SUNDAY...NORTH TO NORTHEAST WINDS 15 TO 20
KNOTS. SEAS 2 TO 3 FEET. NEARSHORE WATERS CHOPPY.
.SUNDAY NIGHT...NORTHEAST TO EAST WINDS NEAR 15 KNOTS. SEAS 1 TO 3
FEET. NEARSHORE WATERS A MODERATE CHOP.
.MONDAY THROUGH TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.

$$

GMZ052>055-072>075-270830-
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 EDT THU MAR 26 2015

.OVERNIGHT...SOUTHEAST TO SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. SCATTERED SHOWERS.
.FRIDAY...SOUTH TO SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST
AND INCREASING TO NEAR 15 KNOTS AND GUSTY IN THE AFTERNOON. SEAS 2
TO 3 FEET...BUILDING TO 3 TO 4 FEET. SCATTERED SHOWERS IN THE
MORNING. WINDS AND SEAS HIGHER IN AND NEAR NUMEROUS SHOWERS AND
ISOLATED THUNDERSTORMS IN THE AFTERNOON.
.FRIDAY NIGHT...WEST TO NORTHWEST WINDS 15 TO 20 KNOTS...SHIFTING TO
NORTH AND INCREASING TO 20 TO 25 KNOTS. SEAS 3 TO 5 FEET...BUILDING
TO 4 TO 7 FEET. SCATTERED SHOWERS IN THE EVENING...THEN ISOLATED
SHOWERS AFTER MIDNIGHT.
.SATURDAY...NORTH TO NORTHEAST WINDS 20 TO 25 KNOTS...DECREASING TO
NEAR 20 KNOTS. SEAS 5 TO 7 FEET...SUBSIDING TO 4 TO 6 FEET. ISOLATED
SHOWERS IN THE MORNING.
.SATURDAY NIGHT...NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO
6 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET.
.SUNDAY NIGHT...NORTHEAST TO EAST WINDS NEAR 15 KNOTS AND GUSTY.
SEAS 4 TO 5 FEET.
.MONDAY THROUGH TUESDAY NIGHT...EAST WINDS NEAR 15 KNOTS. SEAS 3 TO
5 FEET.

$$

GMZ033-034-270830-
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 EDT THU MAR 26 2015

.OVERNIGHT...SOUTHEAST WINDS 5 TO 10 KNOTS...BECOMING SOUTH TO
SOUTHWEST. SEAS AROUND 2 FEET. ISOLATED SHOWERS.
.FRIDAY...SOUTH TO SOUTHWEST WINDS 10 TO 15 KNOTS...BECOMING WEST AND
INCREASING TO 15 TO 20 KNOTS AND GUSTY IN THE AFTERNOON. SEAS AROUND
2 FEET...BUILDING TO 3 TO 4 FEET. SCATTERED SHOWERS IN THE MORNING.
WINDS AND SEAS HIGHER IN AND NEAR NUMEROUS SHOWERS AND ISOLATED
THUNDERSTORMS IN THE AFTERNOON.
.FRIDAY NIGHT...WEST TO NORTHWEST WINDS NEAR 20 KNOTS...SHIFTING TO
NORTH AND INCREASING TO 20 TO 25 KNOTS. SEAS 4 TO 5 FEET...BUILDING
TO 6 TO 8 FEET. SCATTERED SHOWERS IN THE EVENING...THEN ISOLATED
SHOWERS AFTER MIDNIGHT.
.SATURDAY...NORTH WINDS 20 TO 25 KNOTS...DECREASING TO 15 TO 20 KNOTS
IN THE AFTERNOON. SEAS 6 TO 8 FEET...SUBSIDING TO 4 TO 7 FEET LATE.
.SATURDAY NIGHT...NORTH TO NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO
6 FEET.
.SUNDAY...NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET.
.SUNDAY NIGHT...NORTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET.
.MONDAY THROUGH TUESDAY NIGHT...EAST WINDS 10 TO 15 KNOTS. SEAS 1 TO
3 FEET.

$$

CLR


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