Coastal Waters Forecast
Issued by NWS

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FZUS52 KKEY 230830
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
430 AM EDT Wed Aug 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
430 AM EDT Wed Aug 23 2017

.SYNOPSIS...A weak trough will linger near South Florida from
today through Sunday.

The Approximate Shoreward Edge of the Gulf Stream as of
August 22, 2017,

 6 NM South of Dry Tortugas Light...on Loggerhead Key.
 3 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 3 NM South of Sand Key Light...off Key West.
 12 NM South of Looe Key...off Big Pine Key.
 15 NM South of Sombrero Key Light...off Marathon.
 12 NM Southeast of Alligator Reef Light...off Islamorada.
 9 NM Southeast of Molasses Reef Light...off Key Largo.
 6 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-
430 AM EDT Wed Aug 23 2017

.TODAY...Southeast to south winds 5 to 10 knots. Bay waters smooth
to a light chop. Winds higher and bay waters rough in and near
numerous showers and thunderstorms.
.TONIGHT...Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop. Numerous showers and thunderstorms.
.THURSDAY...South to southwest winds 5 to 10 knots. Bay waters
smooth to a light chop. Numerous showers and thunderstorms.
.THURSDAY NIGHT...Southwest winds near 10 knots. Bay waters a
light chop. Scattered showers and thunderstorms.
.FRIDAY...Southwest winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and thunderstorms.
.FRIDAY NIGHT...Southwest to west winds near 10 knots. Bay waters
a light chop. Scattered showers and thunderstorms.
.SATURDAY THROUGH SUNDAY NIGHT...West winds near 10 knots. Bay
waters a light chop. Scattered showers and 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-
430 AM EDT Wed Aug 23 2017

.TODAY...South winds 5 to 10 knots. Seas less than 1 foot.
Nearshore waters smooth to a light chop. Winds and seas higher in
and near numerous showers and thunderstorms.
.TONIGHT...South winds near 10 knots. Seas 1 foot or less.
Nearshore waters a light chop. Numerous showers and thunderstorms.
.THURSDAY...Southwest winds near 10 knots. Seas 1 foot or less.
Nearshore waters a light chop. Numerous showers and
thunderstorms.
.THURSDAY NIGHT AND FRIDAY...Southwest to west winds near 10
knots. Seas around 1 foot. Nearshore waters a light chop.
Scattered showers and thunderstorms.
.FRIDAY NIGHT...Southwest to west winds near 10 knots. Seas
around 1 foot. Nearshore waters a light chop. Scattered showers
and thunderstorms.
.SATURDAY THROUGH SUNDAY NIGHT...West to northwest winds near 10
knots. Seas around 1 foot. Nearshore waters a light chop.
Scattered showers and 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-
430 AM EDT Wed Aug 23 2017

.TODAY...Variable winds near 10 knots or less. Seas around 1
foot. Nearshore waters a light chop. Winds and seas higher in and
near numerous showers and thunderstorms.
.TONIGHT AND THURSDAY...South winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. Numerous showers and
thunderstorms.
.THURSDAY NIGHT AND FRIDAY...Southwest winds near 10 knots. Seas
around 1 foot. Nearshore waters a light chop. Scattered showers
and thunderstorms.
.FRIDAY NIGHT...Southwest winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. Scattered showers and
thunderstorms.
.SATURDAY THROUGH SUNDAY NIGHT...West to northwest winds near 10
knots. Seas around 1 foot. Nearshore waters a light chop.
Scattered showers and 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-
430 AM EDT Wed Aug 23 2017

.TODAY...Variable winds 10 knots or less. Seas 1 to 2 feet. Winds
and seas higher in and near numerous showers and thunderstorms.
.TONIGHT AND THURSDAY...South winds near 10 knots. Seas 1 to 3
feet. Numerous showers and thunderstorms.
.THURSDAY NIGHT AND FRIDAY...Southwest winds near 10 knots. Seas
1 to 3 feet. Scattered showers and thunderstorms.
.FRIDAY NIGHT...Southwest winds near 10 knots. Seas 1 to 3 feet.
Scattered showers and thunderstorms.
.SATURDAY THROUGH SUNDAY NIGHT...West to northwest winds 5 to 10
knots. Seas 1 to 2 feet. Scattered showers and 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-
430 AM EDT Wed Aug 23 2017

.TODAY...South winds 5 to 10 knots. Seas 1 to 2 feet. Winds and
seas higher in and near numerous showers and thunderstorms.
.TONIGHT...South winds near 10 knots. Seas 1 to 2 feet. Numerous
showers and thunderstorms.
.THURSDAY...Southwest winds near 10 knots. Seas 1 to 2 feet.
Scattered showers and thunderstorms.
.THURSDAY NIGHT AND FRIDAY...Southwest to west winds near 10
knots. Seas 1 to 2 feet. Scattered showers and thunderstorms.
.FRIDAY NIGHT...Southwest to west winds near 10 knots. Seas 1 to
2 feet. Scattered showers and thunderstorms.
.SATURDAY THROUGH SUNDAY NIGHT...West to northwest winds near 10
knots. Seas 1 to 3 feet. Scattered showers and thunderstorms.

$$

Kasper



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