Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 231417
CWFKEY

COASTAL WATERS FORECAST FOR THE FLORIDA KEYS
NATIONAL WEATHER SERVICE KEY WEST FL
1017 AM EDT SUN APR 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.

GMZ005-232030-
SYNOPSIS FOR KEYS COASTAL WATERS FROM OCEAN REEF TO DRY TORTUGAS
1017 AM EDT SUN APR 23 2017

.SYNOPSIS...AN UPPER LOW WILL MOVE EAST OF THE FLORIDA PENINSULA
TONIGHT. A WEAK COLD FRONT WILL MOVE EASTWARD THROUGH THE ISLAND
CHAIN MONDAY. HIGH PRESSURE WILL BUILD OVER THE FLORIDA PENINSULA
TUESDAY AND WEDNESDAY...BEFORE LIFTING NORTHWARD WEDNESDAY NIGHT
THROUGH THURSDAY NIGHT.

THE APPROXIMATE SHOREWARD EDGE OF THE GULF STREAM CURRENT...AS OF
APRIL TWENTY-SECOND...

35 NM SOUTH OF DRY TORTUGAS LIGHT...ON LOGGERHEAD KEY.
29 NM SOUTH OF COSGROVE SHOAL LIGHT...OFF THE MARQUESAS KEYS.
29 NM SOUTH OF SAND KEY LIGHT...OFF KEY WEST.
36 NM SOUTH OF LOOE KEY...OFF BIG PINE KEY.
28 NM SOUTH OF SOMBRERO KEY LIGHT...OFF MARATHON.
 7 NM SOUTHEAST OF ALLIGATOR REEF LIGHT...OFF ISLAMORADA.
 3 NM SOUTHEAST OF MOLASSES REEF LIGHT...OFF KEY LARGO.
 2 NM EAST OF CARYSFORT REEF LIGHT...OFF OCEAN REEF.

GULF STREAM INFORMATION COURTESY OF THE NAVAL OCEANOGRAPHIC OFFICE.

$$

GMZ031-232030-
FLORIDA BAY INCLUDING BARNES SOUND, BLACKWATER SOUND, AND
BUTTONWOOD SOUND-
1017 AM EDT SUN APR 23 2017

.THIS AFTERNOON...SOUTHEAST TO SOUTH WINDS NEAR 10
KNOTS...DECREASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. BAY
WATERS A LIGHT CHOP...BECOMING SMOOTH TO A LIGHT CHOP. SCATTERED
SHOWERS.
.TONIGHT...VARIABLE WINDS 5 TO 10 KNOTS...BECOMING WEST TO
NORTHWEST AND INCREASING TO NEAR 10 KNOTS AFTER MIDNIGHT. BAY
WATERS SMOOTH TO A LIGHT CHOP. SCATTERED SHOWERS.
.MONDAY...WEST WINDS 10 TO 15 KNOTS...INCREASING TO 15 TO 20
KNOTS IN THE AFTERNOON. BAY WATERS A LIGHT TO MODERATE
CHOP...BECOMING CHOPPY. ISOLATED SHOWERS.
.MONDAY NIGHT...WEST TO NORTHWEST WINDS 15 TO 20
KNOTS...DECREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT. BAY WATERS
CHOPPY...BECOMING A LIGHT TO MODERATE CHOP.
.TUESDAY...WEST WINDS 10 TO 15 KNOTS. BAY WATERS A LIGHT TO
MODERATE CHOP.
.TUESDAY NIGHT...WEST WINDS NEAR 10 KNOTS...BECOMING SOUTHWEST AND
DECREASING TO 5 TO 10 KNOTS. BAY WATERS SMOOTH TO A LIGHT CHOP.
.WEDNESDAY...SOUTHEAST WINDS NEAR 10 KNOTS. BAY WATERS A LIGHT
CHOP.
.WEDNESDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY
WATERS A LIGHT TO MODERATE CHOP.
.THURSDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS A
LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.THURSDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. BAY
WATERS A MODERATE CHOP. ISOLATED SHOWERS.

$$

GMZ032-035-232030-
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-
1017 AM EDT SUN APR 23 2017

.THIS AFTERNOON...EAST TO SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 1
FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP. SCATTERED
SHOWERS.
.TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO NEAR 10
KNOTS AFTER MIDNIGHT. SEAS 1 TO 2 FEET. NEARSHORE WATERS SMOOTH
TO A LIGHT CHOP. SCATTERED SHOWERS.
.MONDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS...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. ISOLATED SHOWERS.
.MONDAY NIGHT...WEST TO NORTHWEST WINDS 15 TO 20
KNOTS...DECREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3
FEET...SUBSIDING TO AROUND 2 FEET. NEARSHORE WATERS
CHOPPY...BECOMING A LIGHT TO MODERATE CHOP.
.TUESDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...WEST WINDS NEAR 10 KNOTS...BECOMING SOUTHWEST
AND DECREASING TO 5 TO 10 KNOTS. SEAS 1 TO 2 FEET...SUBSIDING TO 1
FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.WEDNESDAY...SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 1 FOOT.
NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS
1 TO 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.THURSDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED SHOWERS.
.THURSDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS
AROUND 2 FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.

$$

GMZ042>044-232030-
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-
1017 AM EDT SUN APR 23 2017

.THIS AFTERNOON...EAST TO SOUTHEAST WINDS NEAR 10
KNOTS...DECREASING TO 5 TO 10 KNOTS LATE IN THE AFTERNOON. SEAS
AROUND 2 FEET. NEARSHORE WATERS A LIGHT CHOP...BECOMING SMOOTH TO
A LIGHT CHOP. SCATTERED SHOWERS.
.TONIGHT...NORTHWEST WINDS 5 TO 10 KNOTS...INCREASING TO NEAR 10
KNOTS AFTER MIDNIGHT. SEAS 1 TO 2 FEET. NEARSHORE WATERS SMOOTH
TO A LIGHT CHOP. SCATTERED SHOWERS.
.MONDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS...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. ISOLATED SHOWERS.
.MONDAY NIGHT...WEST TO NORTHWEST WINDS 15 TO 20
KNOTS...DECREASING TO 10 TO 15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3
FEET...SUBSIDING TO AROUND 2 FEET. NEARSHORE WATERS
CHOPPY...BECOMING A LIGHT TO MODERATE CHOP.
.TUESDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.TUESDAY NIGHT...WEST WINDS NEAR 10 KNOTS...BECOMING SOUTHWEST
AND DECREASING TO 5 TO 10 KNOTS. SEAS 1 TO 2 FEET...SUBSIDING TO 1
FOOT OR LESS. NEARSHORE WATERS SMOOTH TO A LIGHT CHOP.
.WEDNESDAY...SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 1 TO 2 FEET.
NEARSHORE WATERS A LIGHT CHOP.
.WEDNESDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS
AROUND 2 FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP.
.THURSDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2
FEET. NEARSHORE WATERS A LIGHT TO MODERATE CHOP. ISOLATED
SHOWERS.
.THURSDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2
TO 3 FEET. NEARSHORE WATERS A MODERATE CHOP. ISOLATED SHOWERS.

$$

GMZ052>055-072>075-232030-
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-
1017 AM EDT SUN APR 23 2017

.THIS AFTERNOON...SOUTH WINDS 10 TO 15 KNOTS...BECOMING SOUTHWEST
TO WEST AND DECREASING TO NEAR 10 KNOTS LATE IN THE AFTERNOON.
SEAS 2 TO 4 FEET. SCATTERED SHOWERS.
.TONIGHT...NORTHWEST WINDS NEAR 10 KNOTS. SEAS 2 TO 3 FEET.
SCATTERED SHOWERS.
.MONDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO
NEAR 15 KNOTS IN THE AFTERNOON. SEAS 2 TO 4 FEET. ISOLATED
SHOWERS.
.MONDAY NIGHT...WEST TO NORTHWEST WINDS 15 TO 20
KNOTS...DECREASING TO NEAR 15 KNOTS AFTER MIDNIGHT. SEAS 3 TO 6
FEET. ISOLATED SHOWERS.
.TUESDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4
FEET.
.TUESDAY NIGHT...WEST TO NORTHWEST WINDS NEAR 10 KNOTS...BECOMING
VARIABLE AND DECREASING TO 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. SEAS
AS HIGH AS 5 FEET SOUTHEAST OF THE UPPER KEYS DUE TO NORTHEAST
SWELLS.
.WEDNESDAY...EAST TO SOUTHEAST WINDS NEAR 10 KNOTS. SEAS 2 TO 3
FEET. SEAS AS HIGH AS 5 FEET SOUTHEAST OF THE UPPER KEYS DUE TO
NORTHEAST SWELLS.
.WEDNESDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2
TO 4 FEET. ISOLATED SHOWERS.
.THURSDAY...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 3 TO 5
FEET. ISOLATED SHOWERS.
.THURSDAY NIGHT...EAST TO SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4
TO 6 FEET. ISOLATED SHOWERS.

$$

GMZ033-034-232030-
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-
1017 AM EDT SUN APR 23 2017

.THIS AFTERNOON...NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 1 TO
2 FEET. SCATTERED SHOWERS.
.TONIGHT...NORTHWEST WINDS NEAR 10 KNOTS...INCREASING TO 10 TO 15
KNOTS AFTER MIDNIGHT. SEAS 1 TO 2 FEET...BUILDING TO 2 TO 3 FEET.
SCATTERED SHOWERS.
.MONDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS...INCREASING TO
15 TO 20 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET...BUILDING TO 3
TO 4 FEET. ISOLATED SHOWERS.
.MONDAY NIGHT...WEST TO NORTHWEST WINDS 15 TO 20
KNOTS...DECREASING TO NEAR 10 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6
FEET...SUBSIDING TO 3 TO 4 FEET.
.TUESDAY...WEST TO NORTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4
FEET.
.TUESDAY NIGHT...NORTHWEST WINDS NEAR 10 KNOTS...BECOMING
SOUTHWEST AND DECREASING TO 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.
.WEDNESDAY...SOUTHEAST WINDS NEAR 10 KNOTS. SEAS AROUND 2 FEET.
.WEDNESDAY NIGHT...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2
TO 3 FEET.
.THURSDAY...EAST TO SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3
FEET. ISOLATED SHOWERS.
.THURSDAY NIGHT...EAST TO SOUTHEAST WINDS NEAR 15 KNOTS. SEAS 2
TO 4 FEET. ISOLATED SHOWERS.

$$

BWC


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