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National Weather Service Marine Forecast FZUS52 KKEY

FZUS52 KKEY 170332
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1032 PM EST Wed Jan 16 2019

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.

GMZ005-171000-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1032 PM EST Wed Jan 16 2019

SYNOPSIS
A sprawling ridge of high pressure centered over the
Southeast United States and northern Gulf of Mexico will drop
southeastward tonight through Thursday night, then into the
Florida Peninsula Friday. This area of high pressure will drop
southward across the archipelago of Cuba Saturday night.
Meanwhile, a strong cold front likely will push southeast across
the Gulf of Mexico, then blast through the coastal waters of the
Florida Keys sometime on Sunday.

The Approximate Shoreward Edge of the Gulf Stream is currently
unavailable.



GMZ031-171000-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1032 PM EST Wed Jan 16 2019

OVERNIGHT
Northwest to north winds near 10 knots, becoming
north to northeast and increasing to 10 to 15 knots. Bay waters
a light chop, becoming a light to moderate chop.

THURSDAY
Northeast winds 10 to 15 knots, decreasing to near 10
knots. Bay waters a light to moderate chop, becoming a light
chop.

THURSDAY NIGHT
Northeast winds near 10 knots. Bay waters a
light chop.

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

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

SATURDAY
Southeast winds near 10 knots. Bay waters a light
chop. Isolated showers.

SATURDAY NIGHT
South to southwest winds near 15 knots. Bay
waters a moderate chop. Scattered showers developing.

SUNDAY
Southwest to west winds 20 to 25 knots, shifting to
northwest. Bay waters very rough. Scattered showers.

SUNDAY NIGHT
Northwest to north winds 20 to 25 knots. Bay
waters very rough. Scattered showers in the evening, then
isolated showers after midnight.

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

MONDAY NIGHT
Northeast winds 15 to 20 knots. Bay waters
choppy.



GMZ032-035-171000-
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-
1032 PM EST Wed Jan 16 2019

OVERNIGHT
North winds near 10 knots, becoming north to
northeast and increasing to near 15 knots. Seas around 1 foot,
building to 1 to 3 feet. Nearshore waters a light chop, becoming a
moderate chop.

THURSDAY
Northeast winds near 15 knots early, decreasing to 5
to 10 knots. Seas 1 to 3 feet, subsiding to around 1 foot.
Nearshore waters a light to moderate chop, becoming smooth to a
light chop.

THURSDAY NIGHT
Northeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop.

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

FRIDAY NIGHT
Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Isolated showers.

SATURDAY
Southeast winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers.

SATURDAY NIGHT
South to southwest winds near 15 knots. Seas 1
to 3 feet. Nearshore waters a moderate chop. Scattered showers
developing.

SUNDAY
Southwest to west winds near 25 knots, shifting to
northwest. Seas 2 to 4 feet, except 5 feet west of the Marquesas
Keys. Nearshore waters extremely rough. Scattered showers.

SUNDAY NIGHT
Northwest to north winds 20 to 25 knots. Seas
2 to 4 feet, except 4 to 6 feet west of the Marquesas Keys.
Nearshore waters very rough. Scattered showers in the evening,
then isolated showers after midnight.

MONDAY
North to northeast winds 15 to 20 knots. Seas 2 to 3
feet, except 3 to 5 feet west of the Marquesas Keys. Nearshore
waters choppy.

MONDAY NIGHT
Northeast winds 15 to 20 knots. Seas 2 to 3 feet.
Nearshore waters choppy.



GMZ042>044-171000-
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-
1032 PM EST Wed Jan 16 2019

OVERNIGHT
North to northeast winds near 10 knots, increasing
to near 15 knots. Seas 1 to 3 feet. Nearshore waters a light chop,
becoming a moderate chop.

THURSDAY
Northeast winds near 15 knots early, decreasing to 10
to 15 knots. Seas 1 to 3 feet. Nearshore waters a light to
moderate chop.

THURSDAY NIGHT
Northeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.

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

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

SATURDAY
Southeast winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop. Isolated showers.

SATURDAY NIGHT
South to southwest winds 15 to 20 knots. Seas
2 to 4 feet. Nearshore waters choppy. Scattered showers
developing.

SUNDAY
Southwest to west winds near 25 knots, shifting to
northwest. Seas 3 to 5 feet. Nearshore waters extremely rough.
Scattered showers.

SUNDAY NIGHT
Northwest to north winds near 25 knots. Seas 2 to
3 feet, except 4 to 6 feet west of Cosgrove Shoal Light.
Nearshore waters extremely rough. Scattered showers in the
evening, then isolated showers after midnight.

MONDAY
North to northeast winds 15 to 20 knots. Seas 1 to
3 feet, except 3 to 5 feet west of Cosgrove Shoal Light.
Nearshore waters choppy.

MONDAY NIGHT
Northeast winds near 20 knots. Seas 2 to 4 feet.
Nearshore waters rough.



GMZ052>055-072>075-171000-
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-
1032 PM EST Wed Jan 16 2019

OVERNIGHT
North to northeast winds 10 to 15 knots, increasing
to near 15 knots late. Seas 2 to 4 feet.

THURSDAY
Northeast winds 10 to 15 knots. Seas 3 to 5 feet,
subsiding to 2 to 4 feet.

THURSDAY NIGHT
Northeast to east winds 10 to 15 knots. Seas
2 to 4 feet.

FRIDAY
Northeast to east winds 10 to 15 knots. Seas 2 to
4 feet.

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

SATURDAY
Southeast winds near 15 knots. Seas 3 to 4 feet.
Isolated showers.

SATURDAY NIGHT
South to southwest winds 15 to 20 knots. Seas
4 to 5 feet. Scattered showers developing.

SUNDAY
Southwest to west winds near 25 knots, shifting to
northwest. Seas building to 5 to 8 feet. Scattered showers.

SUNDAY NIGHT
Northwest to north winds near 25 knots. Seas
building to 6 to 10 feet. Scattered showers in the evening, then
isolated showers after midnight.

MONDAY
North to northeast winds near 20 knots. Seas 5 to 9
feet, subsiding to 4 to 7 feet.

MONDAY NIGHT
Northeast to east winds near 20 knots. Seas 4 to
7 feet. Isolated showers.



GMZ033-034-171000-
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-
1032 PM EST Wed Jan 16 2019

OVERNIGHT
North to northeast winds near 15 knots. Seas around
3 feet.

THURSDAY
Northeast winds 10 to 15 knots. Seas 2 to 3 feet.

THURSDAY NIGHT
Northeast winds near 10 knots. Seas 1 to 2
feet.

FRIDAY
Northeast winds near 10 knots. Seas 1 to 2 feet.

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

SATURDAY
Southeast winds near 15 knots. Seas 2 to 3 feet.
Isolated showers.

SATURDAY NIGHT
South to southwest winds 15 to 20 knots. Seas
3 to 5 feet. Scattered showers developing.

SUNDAY
Southwest to west winds near 25 knots, shifting to
northwest. Seas 4 to 6 feet, building to 6 to 8 feet. Scattered
showers.

SUNDAY NIGHT
Northwest to north winds near 25 knots. Seas 8 to
11 feet. Scattered showers in the evening, then isolated showers
after midnight.

MONDAY
North to northeast winds near 20 knots. Seas 7 to 10
feet, subsiding to 5 to 8 feet.

MONDAY NIGHT
Northeast winds near 20 knots. Seas 4 to 7 feet.