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National Weather Service Marine Forecast FZUS52 KKEY

FZUS52 KKEY 160921
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
421 AM EST Tue Jan 16 2018

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.

GMZ005-161530-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
421 AM EST Tue Jan 16 2018

SYNOPSIS
A ridge of high pressure, from Eastern Canada to the
northern Gulf Coast, will slide eastward into the western north
Atlantic Ocean today. A reinforcing area of high pressure will
build southeastward from the Great Plains Wednesday, reaching
North Florida by Friday.

The Approximate Shoreward Edge of the Gulf Stream current, as of
January 15th, 2018...

45 NM South of Dry Tortugas Light...on Loggerhead Key.
35 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
30 NM South of Sand Key Light...off Key West.
28 NM South of Looe Key...off Big Pine Key.
35 NM South of Sombrero Key Light...off Marathon.
21 NM Southeast of Alligator Reef Light...off Islamorada.
17 NM Southeast of Molasses Reef Light...off Key Largo.
14 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.



GMZ031-161530-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
421 AM EST Tue Jan 16 2018

SMALL CRAFT ADVISORY IN EFFECT


TODAY
Northeast winds near 20 knots early, decreasing to near
15 knots in the afternoon. Bay waters rough, becoming a moderate
chop. Isolated showers.

TONIGHT
North to northeast winds 15 to 20 knots. Bay waters
choppy. Isolated showers.

WEDNESDAY
North winds 15 to 20 knots. Bay waters choppy.

WEDNESDAY NIGHT
North winds near 20 knots. Bay waters rough.

THURSDAY
North to northeast winds 15 to 20 knots. Bay waters
choppy.

THURSDAY NIGHT
Northeast winds near 15 knots. Bay waters a
moderate chop.

FRIDAY
Northeast to east winds 10 to 15 knots. Bay waters a
light to moderate chop.

FRIDAY NIGHT
Northeast to east winds 10 to 15 knots. Bay waters
a light to moderate chop. 

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

SATURDAY NIGHT
East winds near 15 knots. Bay waters a moderate
chop. Isolated showers.



GMZ032-035-161530-
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-
421 AM EST Tue Jan 16 2018

SMALL CRAFT ADVISORY IN EFFECT


TODAY
Northeast winds near 20 knots, decreasing to near 15
knots in the afternoon. Seas 3 to 4 feet, subsiding to around 2
feet. Nearshore waters rough, becoming a moderate chop. Isolated
showers.

TONIGHT
North to northeast winds 15 to 20 knots. Seas 2 to 3
feet. Nearshore waters choppy. Isolated showers.

WEDNESDAY
North winds near 20 knots. Seas 2 to 4 feet.
Nearshore waters rough. 

WEDNESDAY NIGHT
North winds 20 to 25 knots. Seas 3 to 5 feet.
Nearshore waters very rough.

THURSDAY
North to northeast winds near 20 knots, decreasing to
15 to 20 knots. Seas 3 to 4 feet, subsiding to 2 to 3 feet.
Nearshore waters rough, becoming choppy.

THURSDAY NIGHT
Northeast winds near 15 knots. Seas around 2
feet. Nearshore waters a moderate chop.

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

FRIDAY NIGHT
Northeast to east winds 10 to 15 knots. Seas
around 1 foot. Nearshore waters a light to moderate chop.

SATURDAY
East winds 10 to 15 knots. Seas around 1 foot.
Nearshore waters a light to moderate chop. Isolated showers.

SATURDAY NIGHT
East winds near 15 knots. Seas 1 to 2 feet.
Nearshore waters a moderate chop. Isolated showers.



GMZ042>044-161530-
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-
421 AM EST Tue Jan 16 2018

SMALL CRAFT ADVISORY IN EFFECT


TODAY
Northeast winds 20 to 25 knots early, decreasing to 15
to 20 knots in the afternoon. Seas 4 to 5 feet, subsiding to 3 to
4 feet. Nearshore waters very rough, becoming choppy. Isolated
showers.

TONIGHT
North to northeast winds 15 to 20 knots. Seas 2 to 4
feet. Nearshore waters choppy. Isolated showers.

WEDNESDAY
North winds near 20 knots. Seas 3 to 5 feet.
Nearshore waters rough. Isolated showers.

WEDNESDAY NIGHT
North winds 20 to 25 knots. Seas 4 to 6 feet.
Nearshore waters very rough.

THURSDAY
North to northeast winds near 20 knots, decreasing to
15 to 20 knots. Seas 3 to 5 feet. Nearshore waters rough,
becoming choppy.

THURSDAY NIGHT
Northeast winds 15 to 20 knots. Seas 2 to 4
feet. Nearshore waters choppy.

FRIDAY
Northeast to east winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop.

FRIDAY NIGHT
Northeast to east winds near 15 knots. Seas 2 to 3
feet. Nearshore waters a moderate chop.

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

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



GMZ052>055-072>075-161530-
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-
421 AM EST Tue Jan 16 2018

SMALL CRAFT ADVISORY IN EFFECT


TODAY
Northeast winds 20 to 25 knots, decreasing to near 20
knots in the afternoon. Seas 7 to 9 feet, subsiding to 6 to 8
feet. Isolated showers.

TONIGHT
North to northeast winds near 20 knots. Seas 5 to 7
feet. Isolated showers.

WEDNESDAY
North winds near 20 knots. Seas 5 to 7 feet.

WEDNESDAY NIGHT
North winds 20 to 25 knots. Seas 6 to 8 feet.

THURSDAY
North to northeast winds near 20 knots, decreasing to
15 to 20 knots in the afternoon. Seas 5 to 7 feet, subsiding to 4
to 6 feet.

THURSDAY NIGHT
Northeast winds 15 to 20 knots. Seas 4 to 6
feet. 

FRIDAY
Northeast to east winds near 15 knots. Seas 3 to 5 feet.

FRIDAY NIGHT
Northeast to east winds near 15 knots. Seas 3 to 5
feet.

SATURDAY
East winds near 15 knots. Seas 4 to 5 feet. Isolated
showers.

SATURDAY NIGHT
East winds 15 to 20 knots. Seas 4 to 6 feet.
Isolated showers.



GMZ033-034-161530-
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-
421 AM EST Tue Jan 16 2018

SMALL CRAFT ADVISORY IN EFFECT


TODAY
Northeast winds 20 to 25 knots early, decreasing to 15
to 20 knots in the afternoon. Seas 5 to 7 feet, subsiding to 4 to
6 feet. Isolated showers.

TONIGHT
North to northeast winds 15 to 20 knots. Seas 3 to 5
feet. Isolated showers.

WEDNESDAY
North winds near 20 knots. Seas 4 to 6 feet.

WEDNESDAY NIGHT
North winds 20 to 25 knots. Seas 5 to 7 feet,
building to 6 to 8 feet.

THURSDAY
North to northeast winds near 20 knots, decreasing to
15 to 20 knots. Seas 5 to 7 feet, subsiding to 4 to 6 feet.

THURSDAY NIGHT
Northeast winds 15 to 20 knots. Seas 3 to 5
feet. 

FRIDAY
Northeast to east winds near 15 knots. Seas 2 to 4 feet.

FRIDAY NIGHT
Northeast to east winds near 15 knots. Seas 2 to 4
feet.

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

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



APA