Coastal Waters Forecast
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FZUS52 KKEY 220931
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
431 AM EST Wed Nov 22 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.

GMZ005-221530-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
431 AM EST Wed Nov 22 2017

.SYNOPSIS...Northeast to east light to gentle breezes will
continue today across the coastal waters of the Florida Keys. An area
of low pressure will develop over the Gulf of Mexico today and
slowly move northeast across central Florida Thursday through
Friday. High pressure will then build into the Mississippi River
Valley Saturday and Saturday night, turning breezes to the
northwest to north across the coastal waters of the Florida Keys.

The approximate shoreward edge of the Gulf Stream current, as of
November 21th, 2017,

 1 NM South of Sand Key Light...off Key West.
 2 NM South of Looe Key...off Big Pine Key.
 3 NM South of Sombrero Key Light...off Marathon.
 2 NM Southeast of Alligator Reef Light...off Islamorada.
 Less than 1 NM Southeast of Molasses Reef Light...off Key Largo.
 3 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

$$

GMZ031-221530-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
431 AM EST Wed Nov 22 2017

.TODAY...Northeast to east winds 5 to 10 knots. Bay waters smooth
to a light chop. Isolated showers.
.TONIGHT...East winds 5 to 10 knots. Bay waters smooth to a light
chop. Isolated showers.
.THURSDAY...South winds 5 to 10 knots. Bay waters smooth to a
light chop. Scattered showers and isolated thunderstorms.
.THURSDAY NIGHT...South to southwest winds 5 to 10 knots. Bay
waters smooth to a light chop. Scattered showers and isolated
thunderstorms.
.FRIDAY...South to southwest winds 10 to 15 knots. Bay waters a
light to moderate chop. Scattered showers and isolated
thunderstorms.
.FRIDAY NIGHT...West to northwest winds 10 to 15 knots. Bay
waters a light to moderate chop. Isolated showers.
.SATURDAY...Northwest winds near 10 knots. Bay waters a light
chop. Isolated showers.
.SATURDAY NIGHT...Northwest to north winds near 10 knots. Bay
waters a light chop. Isolated showers.
.SUNDAY...Northwest to north winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers.
.SUNDAY NIGHT...North to northeast winds 10 to 15 knots. Bay
waters a light to moderate chop. Isolated showers.

$$

GMZ032-035-221530-
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-
431 AM EST Wed Nov 22 2017

.TODAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers.
.TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers.
.THURSDAY...Southeast to south winds near 10 knots, becoming
southwest late in the afternoon. Seas around 1 foot. Nearshore
waters smooth to a light chop. Scattered showers and isolated
thunderstorms.
.THURSDAY NIGHT...South to southwest winds 5 to 10 knots. Seas
1 foot or less. Nearshore waters smooth to a light chop.
Scattered showers and isolated thunderstorms.
.FRIDAY...South to southwest winds 10 to 15 knots. Seas 1 to 2
feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
.FRIDAY NIGHT...West to northwest winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.SATURDAY...Northwest to north winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. Isolated showers.
.SATURDAY NIGHT...Northwest to north winds near 10 knots. Seas
around 1 foot. Nearshore waters a light chop. Isolated showers.
.SUNDAY...Northwest to north winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. Isolated showers.
.SUNDAY NIGHT...North to northeast winds 10 to 15 knots. Seas
1 to 3 feet. Nearshore waters a light to moderate chop. Isolated
showers.

$$

GMZ042>044-221530-
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-
431 AM EST Wed Nov 22 2017

.TODAY...Northeast to east winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Isolated showers.
.TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Isolated showers.
.THURSDAY...Southeast to south winds near 10 knots, becoming
south to southwest late in the afternoon. Seas 1 to 2 feet.
Nearshore waters a light chop. Scattered showers and isolated
thunderstorms.
.THURSDAY NIGHT...South to southwest winds near 10 knots. Seas 1
to 2 feet. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.FRIDAY...South to southwest winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
.FRIDAY NIGHT...West to northwest winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.SATURDAY...Northwest to north winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.SATURDAY NIGHT...Northwest to north winds near 10 knots. Seas
1 to 2 feet. Nearshore waters a light chop. Isolated showers.
.SUNDAY...Northwest to north winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.SUNDAY NIGHT...North to northeast winds 10 to 15 knots. Seas
2 to 3 feet. Nearshore waters a light to moderate chop. Isolated
showers.

$$

GMZ052>055-072>075-221530-
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-
431 AM EST Wed Nov 22 2017

.TODAY...Northeast to east winds 5 to 10 knots. Seas 1 to 2 feet.
Isolated showers.
.TONIGHT...East winds near 10 knots. Seas 1 to 2 feet. Isolated
showers.
.THURSDAY...South to southwest winds near 10 knots. Seas 1 to 3
feet. Scattered showers and isolated thunderstorms.
.THURSDAY NIGHT...South to southwest winds 10 to 15 knots. Seas
1 to 3 feet. Scattered showers and isolated thunderstorms.
.FRIDAY...South to southwest winds 10 to 15 knots. Seas 2 to
3 feet. Scattered showers and isolated thunderstorms.
.FRIDAY NIGHT...West to northwest winds 10 to 15 knots. Seas 2 to
4 feet. Isolated showers.
.SATURDAY...Northwest to north winds 10 to 15 knots. Seas 2 to
4 feet. Isolated showers.
.SATURDAY NIGHT...Northwest to north winds 10 to 15 knots. Seas
2 to 3 feet. Isolated showers.
.SUNDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. Isolated
showers.
.SUNDAY NIGHT...North to northeast winds 10 to 15 knots. Seas
2 to 4 feet. Isolated showers.

$$

GMZ033-034-221530-
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-
431 AM EST Wed Nov 22 2017

.TODAY...Northeast to east winds 5 to 10 knots. Seas around 1
foot. Isolated showers.
.TONIGHT...East to southeast winds 5 to 10 knots. Seas around 1
foot. Isolated showers.
.THURSDAY...South to southwest winds near 10 knots. Seas 1 to
2 feet. Scattered showers and isolated thunderstorms.
.THURSDAY NIGHT...South to southwest winds 10 to 15 knots. Seas
2 to 3 feet. Scattered showers and isolated thunderstorms.
.FRIDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet.
Scattered showers and isolated thunderstorms.
.FRIDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to 4 feet.
Isolated showers.
.SATURDAY...Northwest to north winds near 10 knots. Seas 2 to
4 feet. Isolated showers.
.SATURDAY NIGHT...Northwest to north winds near 10 knots. Seas
2 to 3 feet. Isolated showers.
.SUNDAY...North winds near 10 knots. Seas 2 to 3 feet. Isolated
showers.
.SUNDAY NIGHT...North to northeast winds 10 to 15 knots. Seas
2 to 3 feet. Isolated showers.

$$

KN



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