Coastal Waters Forecast
Issued by NWS

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FZUS52 KKEY 300813
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
413 AM EDT THU MAR 30 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.

GMZ005-301430-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
413 AM EDT THU MAR 30 2017

.SYNOPSIS...BROAD HIGH PRESSURE WILL MOVE EAST OF THE FLORIDA
PENINSULA TODAY. A WEAK FRONTAL SYSTEM WILL APPROACH THE KEYS
TONIGHT BUT WASH OUT TO THE NORTH OF THE KEYS ON FRIDAY. A WEAK
PRESSURE PATTERN WILL REMAIN IN PLACE FRIDAY NIGHT THROUGH
SATURDAY NIGHT BEFORE A TROUGH MOVES ACROSS THE EASTERN GULF OF
MEXICO SUNDAY EVENING.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
MARCH TWENTY-EIGHTH...

47 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
11 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
 4 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
 7 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
 9 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
10 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
 9 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
 8 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-301430-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
413 AM EDT THU MAR 30 2017

.TODAY...SOUTHEAST WINDS NEAR 10 KNOTS EARLY...INCREASING TO NEAR
15 KNOTS IN THE AFTERNOON. BAY WATERS A LIGHT CHOP...BECOMING A
MODERATE CHOP.
.TONIGHT...SOUTHEAST WINDS NEAR 15 KNOTS. BAY WATERS A MODERATE
CHOP.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS...DECREASING TO NEAR 10
KNOTS LATE. BAY WATERS A LIGHT TO MODERATE CHOP...BECOMING A LIGHT
CHOP.
.FRIDAY NIGHT AND SATURDAY...VARIABLE WINDS NEAR 5 KNOTS. BAY
WATERS SMOOTH.
.SATURDAY NIGHT AND SUNDAY...EAST TO SOUTHEAST WINDS NEAR 10
KNOTS. BAY WATERS A LIGHT CHOP.
.SUNDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. BAY WATERS
A MODERATE CHOP. ISOLATED SHOWERS.
.MONDAY...SOUTHEAST TO SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS
CHOPPY. ISOLATED SHOWERS.
.MONDAY NIGHT...SOUTH TO SOUTHWEST WINDS NEAR 15
KNOTS...DECREASING TO NEAR 10 KNOTS AFTER MIDNIGHT. BAY WATERS A
MODERATE CHOP...BECOMING A LIGHT CHOP. SCATTERED SHOWERS AND
ISOLATED THUNDERSTORMS.

$$

GMZ032-035-301430-
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-
413 AM EDT THU MAR 30 2017

.TODAY...SOUTHEAST WINDS NEAR 10 KNOTS EARLY...INCREASING TO NEAR
15 KNOTS. SEAS 1 TO 2 FEET. NEARSHORE WATERS A LIGHT
CHOP...BECOMING A MODERATE CHOP.
.TONIGHT...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A MODERATE CHOP.
.FRIDAY...SOUTH WINDS NEAR 15 KNOTS EARLY...BECOMING VARIABLE AND
DECREASING TO NEAR 5 KNOTS LATE IN THE AFTERNOON. SEAS 1 TO 2
FEET...SUBSIDING TO 1 FOOT OR LESS. NEARSHORE WATERS A MODERATE
CHOP...BECOMING SMOOTH.
.FRIDAY NIGHT...VARIABLE WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.SATURDAY NIGHT...EAST WINDS NEAR 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS A LIGHT CHOP.
.SUNDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 1
FOOT. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.SUNDAY NIGHT...SOUTHEAST TO SOUTH WINDS 15 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.
.MONDAY...SOUTHEAST TO SOUTH WINDS 15 TO 20 KNOTS
EARLY...DECREASING TO NEAR 15 KNOTS IN THE AFTERNOON. SEAS 1 TO 3
FEET. NEARSHORE WATERS CHOPPY...BECOMING A MODERATE CHOP.
ISOLATED SHOWERS.
.MONDAY NIGHT...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
AND DECREASING TO 5 TO 10 KNOTS EARLY IN THE MORNING. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP...BECOMING SMOOTH
TO A LIGHT CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.

$$

GMZ042>044-301430-
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-
413 AM EDT THU MAR 30 2017

.TODAY...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 1 TO 3 FEET.
NEARSHORE WATERS A MODERATE CHOP.
.TONIGHT...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 1 TO 3 FEET.
NEARSHORE WATERS A  MODERATE CHOP.
.FRIDAY...SOUTH WINDS NEAR 15 KNOTS...BECOMING WEST AND DECREASING
TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. SEAS 1 TO 3 FEET.
NEARSHORE WATERS A MODERATE CHOP...BECOMING SMOOTH TO A LIGHT
CHOP.
.FRIDAY NIGHT...VARIABLE WINDS NEAR 5 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.SATURDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1
TO 2 FEET. NEARSHORE WATERS A LIGHT CHOP.
.SUNDAY...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 1 TO 3
FEET. NEARSHORE WATERS A MODERATE CHOP.
.SUNDAY NIGHT...SOUTHEAST TO SOUTH WINDS NEAR 15 KNOTS
EARLY...INCREASING TO 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS BUILDING
TO 2 TO 4 FEET. NEARSHORE WATERS A MODERATE CHOP...BECOMING
CHOPPY. ISOLATED SHOWERS.
.MONDAY...SOUTHEAST TO SOUTH WINDS 15 TO 20 KNOTS
EARLY...DECREASING TO NEAR 15 KNOTS IN THE AFTERNOON. SEAS 2 TO 4
FEET. NEARSHORE WATERS CHOPPY...BECOMING A MODERATE CHOP.
ISOLATED SHOWERS.
.MONDAY NIGHT...SOUTH TO SOUTHWEST WINDS 10 TO 15
KNOTS...DECREASING TO NEAR 10 KNOTS AFTER MIDNIGHT. SEAS 1 TO 3
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP...BECOMING A LIGHT
CHOP. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.

$$

GMZ052>055-072>075-301430-
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-
413 AM EDT THU MAR 30 2017

.TODAY...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO 5 FEET.
.TONIGHT...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO 5 FEET.
ISOLATED SHOWERS.
.FRIDAY...SOUTH WINDS NEAR 15 KNOTS EARLY...BECOMING VARIABLE AND
DECREASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. SEAS 3 TO 5
FEET...SUBSIDING TO AROUND 2 FEET. ISOLATED SHOWERS.
.FRIDAY NIGHT...VARIABLE WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.
ISOLATED SHOWERS.
.SATURDAY...EAST WINDS NEAR 10 KNOTS...INCREASING TO 10 TO 15
KNOTS. SEAS BUILDING TO 2 TO 4 FEET. ISOLATED SHOWERS.
.SATURDAY NIGHT AND SUNDAY...EAST TO SOUTHEAST WINDS NEAR 15
KNOTS. SEAS 3 TO 5 FEET. ISOLATED SHOWERS.
.SUNDAY NIGHT AND MONDAY...SOUTHEAST TO SOUTH WINDS 15 TO
20 KNOTS. SEAS 4 TO 6 FEET. ISOLATED SHOWERS.
.MONDAY NIGHT...SOUTH TO SOUTHWEST WINDS NEAR 15 KNOTS. SEAS 3 TO
5 FEET. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS.

$$

GMZ033-034-301430-
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-
413 AM EDT THU MAR 30 2017

.TODAY...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET.
.TONIGHT...SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.
.FRIDAY...SOUTH WINDS 10 TO 15 KNOTS EARLY...BECOMING VARIABLE AND
DECREASING TO NEAR 5 KNOTS LATE IN THE AFTERNOON. SEAS 1 TO 2
FEET...SUBSIDING TO 1 FOOT OR LESS.
.FRIDAY NIGHT...VARIABLE WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
.SATURDAY...EAST WINDS 5 TO 10 KNOTS. SEAS 1 FOOT OR LESS.
.SATURDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS
AROUND 1 FOOT.
.SUNDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS
EARLY...INCREASING TO NEAR 15 KNOTS IN THE AFTERNOON. SEAS 1 TO 3
FEET...BUILDING TO 2 TO 4 FEET.
.SUNDAY NIGHT...SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2 TO 4 FEET.
ISOLATED SHOWERS.
.MONDAY...SOUTHEAST TO SOUTH WINDS 15 TO 20 KNOTS
EARLY...DECREASING TO NEAR 15 KNOTS IN THE AFTERNOON. SEAS 3 TO 5
FEET...SUBSIDING TO 2 TO 4 FEET. ISOLATED SHOWERS.
.MONDAY NIGHT...SOUTHWEST WINDS NEAR 15 KNOTS EARLY...BECOMING
WEST AND DECREASING TO NEAR 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4
FEET...SUBSIDING TO AROUND 2 FEET. SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS.

$$

BWC


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