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National Weather Service Marine Forecast FZUS52 KKEY

FZUS52 KKEY 221528
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1028 AM EST Sat Jan 22 2022

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.

GMZ005-222130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1028 AM EST Sat Jan 22 2022

SYNOPSIS
A cold front will push through the coastal waters of
the Florida Keys tonight or Sunday morning, followed by fresh
northerly breezes Sunday afternoon and Sunday night. Breezes will
diminish and turn to the east Monday and Monday night as a low
pressure system develops over the northern Gulf of Mexico. As the
low moves east across the Gulf Coast and Florida, on Tuesday and
Wednesday, breezes will turn from south, to southwest, then
northwest. Fresh to strong northerly breezes are possible by
Wednesday night.

The Approximate Shoreward Edge of the Gulf Stream as of January
22...

53 NM South of Dry Tortugas Light...on Loggerhead Key.
 4 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 2 NM South of Sand Key Light...off Key West.
 3 NM South of Looe Key...off Big Pine Key.
 3 NM South of Sombrero Key Light...off Marathon.
 6 NM Southeast of Alligator Reef Light...off Islamorada.
 3 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.



GMZ031-222130-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1028 AM EST Sat Jan 22 2022

THIS AFTERNOON
Northwest to north winds 5 to 10 knots. Bay
waters smooth to a light chop. Scattered showers.

TONIGHT
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. Scattered showers and isolated
thunderstorms.

SUNDAY
Northwest to north winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers.

SUNDAY NIGHT
Northwest to north winds 15 to 20 knots. Bay
waters choppy.

MONDAY
Northwest to north winds near 15 knots, becoming north
and decreasing to near 5 knots in the afternoon. Bay waters a
moderate chop, becoming smooth.

MONDAY NIGHT
North winds near 5 knots, becoming northeast. Bay
waters smooth.

TUESDAY
East to southeast winds 5 to 10 knots, becoming south
to southwest and increasing to near 15 knots in the afternoon.
Bay waters smooth to a light chop, becoming a moderate chop.
Isolated showers.

TUESDAY NIGHT
Southwest to west winds near 15 knots. Bay
waters a moderate chop. Scattered showers.

WEDNESDAY
Northwest winds near 15 knots. Bay waters a moderate
chop. Isolated showers.

WEDNESDAY NIGHT
North winds 15 to 20 knots. Bay waters choppy.
Isolated showers.



GMZ032-035-222130-
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-
1028 AM EST Sat Jan 22 2022

THIS AFTERNOON
North to northeast winds 5 to 10 knots, becoming
northwest to north and increasing to near 10 knots late. Seas 1
to 2 feet. Nearshore waters smooth to a light chop, becoming a
light chop. Scattered showers.

TONIGHT
North winds near 10 knots, becoming north to northeast
and increasing to near 15 knots. Seas 1 to 3 feet, building to 2
to 3 feet. Nearshore waters a light chop, becoming a moderate
chop. Scattered showers and isolated thunderstorms.

SUNDAY
Northwest to north winds near 15 knots, increasing to 15
to 20 knots. Seas 2 to 4 feet. Nearshore waters a moderate chop,
becoming choppy. Isolated showers.

SUNDAY NIGHT
Northwest to north winds 15 to 20 knots. Seas
2 to 4 feet. Nearshore waters choppy.

MONDAY
North winds near 15 knots, becoming north to northeast
and decreasing to 5 to 10 knots in the afternoon. Seas 2 to 3
feet, subsiding to 1 to 2 feet. Nearshore waters a moderate chop,
becoming smooth to a light chop.

MONDAY NIGHT
North to northeast winds 5 to 10 knots, becoming
northeast to east. Seas 1 to 2 feet. Nearshore waters smooth to a
light chop.

TUESDAY
East to southeast winds near 10 knots, becoming south
to southwest and increasing to 15 to 20 knots in the afternoon.
Seas 1 to 2 feet, building to 1 to 3 feet. Nearshore waters a
light chop, becoming choppy. Isolated showers.

TUESDAY NIGHT
Southwest to west winds near 15 knots. Seas 1 to
3 feet. Nearshore waters a moderate chop. Scattered showers.

WEDNESDAY
Northwest winds 15 to 20 knots. Seas 2 to 4 feet.
Nearshore waters choppy. Isolated showers.

WEDNESDAY NIGHT
North winds near 20 knots. Seas 2 to 4 feet,
except 4 to 6 feet west of the Marquesas Keys. Nearshore waters
rough. Isolated showers.



GMZ042>044-222130-
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-
1028 AM EST Sat Jan 22 2022

THIS AFTERNOON
North winds 5 to 10 knots. Seas around 1 foot. Nearshore
waters smooth to a light chop. Scattered showers.

TONIGHT
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. Scattered showers and isolated thunderstorms.

SUNDAY
Northwest to north winds near 15 knots, increasing to 15
to 20 knots. Seas 2 to 3 feet. Nearshore waters a moderate chop,
becoming choppy. Isolated showers.

SUNDAY NIGHT
Northwest to north winds 15 to 20 knots. Seas
2 to 3 feet. Nearshore waters choppy.

MONDAY
North winds near 15 knots, becoming north to northeast
and decreasing to 5 to 10 knots in the afternoon. Seas 2 to 3
feet, subsiding to 1 to 2 feet. Nearshore waters a moderate chop,
becoming smooth to a light chop.

MONDAY NIGHT
Northeast winds 5 to 10 knots, becoming east.
Seas around 1 foot. Nearshore waters smooth to a light chop.

TUESDAY
East to southeast winds near 10 knots, becoming south
to southwest and increasing to 15 to 20 knots in the afternoon.
Seas 1 to 2 feet, building to 3 to 4 feet. Nearshore waters a
light chop, becoming choppy. Isolated showers.

TUESDAY NIGHT
Southwest to west winds near 15 knots. Seas 2 to
3 feet. Nearshore waters a moderate chop. Scattered showers.

WEDNESDAY
Northwest winds 15 to 20 knots. Seas 2 to 3 feet.
Nearshore waters choppy. Isolated showers.

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



GMZ052>055-072>075-222130-
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-
1028 AM EST Sat Jan 22 2022

THIS AFTERNOON
Variable winds 5 to 10 knots, becoming north
late. Seas 1 to 3 feet. Scattered showers and isolated
thunderstorms.

TONIGHT
North winds near 10 knots, becoming north to northeast
and increasing to near 15 knots. Seas 2 to 3 feet, building to 3
to 4 feet. Scattered showers and isolated thunderstorms.

SUNDAY
Northwest to north winds near 15 knots, increasing to 15
to 20 knots. Seas 3 to 5 feet. Scattered showers and isolated
thunderstorms.

SUNDAY NIGHT
Northwest to north winds 15 to 20 knots. Seas
3 to 5 feet. Isolated showers.

MONDAY
North winds near 15 knots, becoming northeast and
decreasing to near 10 knots. Seas 3 to 4 feet, subsiding to 2 to 3
feet.

MONDAY NIGHT
Northeast winds 5 to 10 knots, becoming east to
southeast. Seas 1 to 3 feet.

TUESDAY
East to southeast winds 10 to 15 knots, becoming south
to southwest and increasing to 15 to 20 knots. Seas 2 to 3 feet,
building to 3 to 5 feet. Isolated showers.

TUESDAY NIGHT
Southwest to west winds near 15 knots. Seas 3 to
5 feet. Scattered showers.

WEDNESDAY
Northwest winds 15 to 20 knots. Seas 3 to 5 feet.
Scattered showers.

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



GMZ033-034-222130-
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-
1028 AM EST Sat Jan 22 2022

THIS AFTERNOON
North to northeast winds near 10 knots,
increasing to 10 to 15 knots late. Seas building to 2 to 3 feet.
Scattered showers.

TONIGHT
North to northeast winds 10 to 15 knots, increasing to
15 to 20 knots. Seas 2 to 4 feet, building to 3 to 5 feet.
Scattered showers and isolated thunderstorms.

SUNDAY
North winds 15 to 20 knots, becoming northwest to north.
Seas 3 to 5 feet. Isolated showers.

SUNDAY NIGHT
Northwest to north winds 15 to 20 knots. Seas
3 to 5 feet.

MONDAY
North winds near 15 knots, becoming north to northeast
and decreasing to near 10 knots in the afternoon. Seas 3 to 4
feet, subsiding to 1 to 3 feet.

MONDAY NIGHT
Northeast winds 5 to 10 knots, becoming east.
Seas 1 to 2 feet.

TUESDAY
East to southeast winds near 10 knots, becoming south
to southwest and increasing to 15 to 20 knots. Seas 1 to 3 feet,
building to 2 to 4 feet. Scattered showers.

TUESDAY NIGHT
Southwest to west winds near 15 knots. Seas 2 to
4 feet. Scattered showers.

WEDNESDAY
Northwest winds 15 to 20 knots. Seas 3 to 5 feet.
Isolated showers.

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