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National Weather Service Marine Forecast FZUS52 KKEY

FZUS52 KKEY 140924
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
424 AM EST Thu Dec 14 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.

GMZ005-141530-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
424 AM EST Thu Dec 14 2017

SYNOPSIS
An area of high pressure will linger over the Florida
Peninsula through Friday. Another high pressure system will
intensify and advance eastward across the southeastern United
States and western North Atlantic Friday through Monday.

The Approximate Shoreward Edge of the Gulf Stream as of
December 12, 2017,

50 NM South of Dry Tortugas Light, on Loggerhead Key.
13 NM South of Cosgrove Shoal Light, off the Marquesas Keys.
21 NM South of Sand Key Light, off Key West.
31 NM South of Looe Key, off Big Pine Key.
36 NM South of Sombrero Key Light, off Marathon.
15 NM Southeast of Alligator Reef Light, off Islamorada.
10 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.



GMZ031-141530-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
424 AM EST Thu Dec 14 2017

TODAY
North to northeast winds near 5 knots becoming variable
late in the afternoon. Bay waters smooth.

TONIGHT
Northeast to east winds near 5 knots. Bay waters
smooth.

FRIDAY
Northeast to east winds near 5 knots. Bay waters
smooth.

FRIDAY NIGHT
North to northeast winds 5 to 10 knots. Bay
waters smooth to a light chop.

SATURDAY
Northeast to east winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers.

SATURDAY NIGHT
Northeast to east winds 10 to 15 knots. Bay
waters a light to moderate chop. Isolated showers.

SUNDAY AND SUNDAY NIGHT
East winds 10 to 15 knots. Bay waters
a light to moderate chop. Isolated showers.

MONDAY
East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers.

MONDAY NIGHT
Northeast to east winds near 10 knots. Bay waters a
light chop. Isolated showers.



GMZ032-035-141530-
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-
424 AM EST Thu Dec 14 2017

TODAY
North to northeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth.

TONIGHT
East winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth.

FRIDAY
Northeast to east winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth.

FRIDAY NIGHT
Northeast winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop.

SATURDAY
Northeast to east winds 10 to 15 knots. Seas 1 to 2
feet. Nearshore waters a light to moderate chop. Isolated
showers.

SATURDAY NIGHT
Northeast to east winds 15 to 20 knots. Seas
2 to 3 feet. Nearshore waters choppy. Isolated showers.

SUNDAY
East winds 10 to 15 knots. Seas around 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.

SUNDAY NIGHT
East winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.

MONDAY
East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop. Isolated
showers.

MONDAY NIGHT
Northeast to east winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop. Isolated
showers.



GMZ042>044-141530-
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-
424 AM EST Thu Dec 14 2017

TODAY
Northeast winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth.

TONIGHT
East winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth.

FRIDAY
Northeast to east winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth.

FRIDAY NIGHT
Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop.

SATURDAY
Northeast to east winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop. Isolated
showers.

SATURDAY NIGHT
Northeast to east winds 15 to 20 knots. Seas
2 to 4 feet. Nearshore waters choppy. Isolated showers.

SUNDAY
East winds near 15 knots. Seas 2 to 4 feet. Nearshore
waters a moderate chop. Isolated showers.

SUNDAY NIGHT
East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop. Isolated showers.

MONDAY
East to southeast winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop. Isolated
showers.

MONDAY NIGHT
Northeast to east winds 10 to 15 knots. Seas 1 to
3 feet. Nearshore waters a light to moderate chop. Isolated
showers.



GMZ052>055-072>075-141530-
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-
424 AM EST Thu Dec 14 2017

TODAY
Northeast winds 5 to 10 knots. Seas 1 to 3 feet.

TONIGHT
East winds 5 to 10 knots. Seas 1 to 2 feet.

FRIDAY
Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet.

FRIDAY NIGHT
Northeast winds 10 to 15 knots. Seas 1 to 3 feet.
Isolated showers.

SATURDAY
Northeast to east winds 10 to 15 knots, increasing to
near 15 knots. Seas 1 to 3 feet building to 2 to 4 feet. Isolated
showers.

SATURDAY NIGHT
Northeast to east winds near 20 knots. Seas
3 to 5 feet building to 4 to 6 feet. Isolated showers.

SUNDAY
East winds 15 to 20 knots. Seas 4 to 6 feet subsiding to
3 to 5 feet. Isolated showers.

SUNDAY NIGHT
East winds near 15 knots. Seas 3 to 5 feet.
Isolated showers.

MONDAY
East to southeast winds near 15 knots. Seas 3 to
5 feet. Isolated showers.

MONDAY NIGHT
East winds 10 to 15 knots. Seas 2 to 4 feet.
Isolated showers.



GMZ033-034-141530-
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-
424 AM EST Thu Dec 14 2017

TODAY
North to northeast winds near 5 knots becoming variable.
Seas 1 to 3 feet due to lingering northwesterly swells.

TONIGHT
East to southeast winds 5 to 10 knots. Seas 1 to
2 feet.

FRIDAY
Northeast to east winds near 5 knots. Seas around 1
foot.

FRIDAY NIGHT
Northeast winds 5 to 10 knots. Seas 1 to 2 feet.

SATURDAY
Northeast to east winds 10 to 15 knots, increasing to
near 15 knots in the afternoon. Seas 1 to 2 feet building to 2 to
3 feet. Isolated showers.

SATURDAY NIGHT
East winds 15 to 20 knots. Seas 2 to 4 feet
building to 3 to 5 feet. Isolated showers.

SUNDAY
East to southeast winds 15 to 20 knots. Seas 3 to
4 feet. Isolated showers.

SUNDAY NIGHT
East winds near 15 knots. Seas 2 to 4 feet.
Isolated showers.

MONDAY
East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Isolated showers.

MONDAY NIGHT
Northeast to east winds 10 to 15 knots. Seas 1 to
3 feet. Isolated showers.



MCLOVIN