Coastal Waters Forecast
Issued by NWS

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831
FZUS52 KKEY 230813
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
413 AM EDT Fri Jun 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.

GMZ005-231430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
413 AM EDT Fri Jun 23 2017

.SYNOPSIS...An Atlantic ridge of high pressure will extend across
north central Florida today through Saturday, before retreating
eastward Saturday night and Sunday. A cold front will slowly move
southward through North Florida Sunday night through Tuesday. This
cold front will stall over north central Florida Tuesday night.

The approximate shoreward edge of the Gulf Stream current, as of
June twenty-second,

65 NM South of Dry Tortugas Light...on Loggerhead Key.
48 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
38 NM South of Sand Key Light...off Key West.
26 NM South of Looe Key...off Big Pine Key.
22 NM South of Sombrero Key Light...off Marathon.
14 NM Southeast of Alligator Reef Light...off Islamorada.
10 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.

$$

GMZ031-231430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
413 AM EDT Fri Jun 23 2017

.TODAY...East to southeast winds near 15 knots. Bay waters a
moderate chop. Isolated showers.
.TONIGHT...East to southeast winds near 15 knots. Bay waters a
moderate chop. Isolated showers.
.SATURDAY THROUGH SUNDAY...East to southeast winds 10 to 15 knots.
Bay waters a light to moderate chop. Isolated showers.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots. Bay waters
a light to moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY...East to southeast winds near 10 knots. Bay waters a
light chop. Scattered showers and isolated thunderstorms.
.MONDAY NIGHT AND TUESDAY...East to southeast winds 5 to 10 knots.
Bay waters smooth to a light chop. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds near 10 knots. Bay waters a light
chop. Scattered showers and isolated thunderstorms.

$$

GMZ032-035-231430-
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 Fri Jun 23 2017

.TODAY...East to southeast winds near 15 knots. Seas 1 to 2 feet.
Nearshore waters a moderate chop. Isolated showers.
.TONIGHT...East to southeast winds near 15 knots. Seas 1 to 2
feet. Nearshore waters a moderate chop. Isolated showers.
.SATURDAY THROUGH SUNDAY...East to southeast winds 10 to 15 knots.
Seas around 1 foot. Nearshore waters a light to moderate chop.
Isolated showers.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
around 1 foot. Nearshore waters a light to moderate chop.
Scattered showers and isolated thunderstorms.
.MONDAY...East to southeast winds near 10 knots. Seas 1 foot or
less. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.MONDAY NIGHT AND TUESDAY...East to southeast winds 5 to 10 knots.
Seas less than 1 foot. Nearshore waters smooth to a light chop.
Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...East winds near 10 knots. Seas 1 foot or less.
Nearshore waters a light chop. Scattered showers and isolated
thunderstorms.

$$

GMZ042>044-231430-
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 Fri Jun 23 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East to southeast winds 15 to 20 knots. Seas 2 to 4 feet.
Nearshore waters choppy. Isolated showers.
.TONIGHT...East to southeast winds 15 to 20 knots. Seas 2 to 4
feet. Nearshore waters choppy. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds near 15
knots. Seas 2 to 3 feet. Nearshore waters a moderate chop.
Isolated showers.
.SUNDAY...East to southeast winds 10 to 15 knots. Seas around 2
feet. Nearshore waters a light to moderate chop. Isolated showers.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop.
Scattered showers and isolated thunderstorms.
.MONDAY THROUGH TUESDAY...East to southeast winds near 10 knots.
Seas 1 to 2 feet. Nearshore waters a light chop. Scattered showers
and isolated thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet.
Nearshore waters a light to moderate chop. Scattered showers and
isolated thunderstorms.

$$

GMZ052>055-072>075-231430-
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 Fri Jun 23 2017

...SMALL CRAFT ADVISORY IN EFFECT...

.TODAY...East to southeast winds near 20 knots. Seas 5 to 7 feet.
Isolated showers.
.TONIGHT...East to southeast winds near 20 knots. Seas 5 to 7
feet. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds 15 to 20
knots. Seas 4 to 6 feet. Isolated showers.
.SUNDAY...East to southeast winds near 15 knots. Seas 3 to 5 feet.
Isolated showers.
.SUNDAY NIGHT...East to southeast winds near 15 knots. Seas 3 to 5
feet. Scattered showers and isolated thunderstorms.
.MONDAY THROUGH TUESDAY...East to southeast winds 10 to 15 knots.
Seas 2 to 4 feet. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet.
Scattered showers and isolated thunderstorms.

$$

GMZ033-034-231430-
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 Fri Jun 23 2017

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TODAY...East to southeast winds 15 to 20 knots. Seas 3 to 5 feet.
Isolated showers.
.TONIGHT...East to southeast winds 15 to 20 knots. Seas 3 to 5
feet. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds near 15
knots. Seas 2 to 4 feet. Isolated showers.
.SUNDAY...East to southeast winds 10 to 15 knots. Seas 2 to 3
feet. Isolated showers.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Scattered showers and isolated thunderstorms.
.MONDAY THROUGH TUESDAY...East to southeast winds near 10 knots.
Seas around 2 feet. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Scattered showers and isolated thunderstorms.

$$
BS



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