191
FZUS52 KKEY 081527
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1027 AM EST Wed Jan 8 2025

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.

Wave Detail will include details about the period and direction
of origin for the highest energy waves. Long-period swells coming
from a different direction than the wind would be included in the
Wave Detail.

GMZ005-082130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1027 AM EST Wed Jan 8 2025

.SYNOPSIS...Moderate to occasionally fresh northerly breezes will
continue through Thursday across the Keys coastal waters, as a
large area of high pressure moves slowly eastward across the
central and eastern United States. Breezes will then veer from
northeast to southeast Thursday night through Friday night, as low
pressure and an associated cold front moves east across the Gulf
of Mexico. The next front is forecast to weaken while slipping
through the Keys waters Saturday night.

The Approximate Shoreward Edge of the Gulf Stream as of January 4...

51 NM South of Dry Tortugas Light...on Loggerhead Key.
17 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 9 NM South of Sand Key Light...off Key West.
24 NM South of Looe Key...off Big Pine Key.
35 NM South of Sombrero Key Light...off Marathon.
23 NM Southeast of Alligator Reef Light...off Islamorada.
23 NM Southeast of Molasses Reef Light...off Key Largo.
17 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the National Weather Service in
Key West based on products from the Real Time Ocean Forecast System.

$$

GMZ031-082130-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1027 AM EST Wed Jan 8 2025

.THIS AFTERNOON...Northwest to north winds near 10 knots,
decreasing to 5 to 10 knots. Bay waters a light chop, becoming
smooth to a light chop.
.TONIGHT...Northwest to north winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Bay waters a light to moderate
chop, becoming choppy.
.THURSDAY...North winds 15 to 20 knots, decreasing to 10 to 15
knots. Bay waters choppy, becoming a light to moderate chop.
.THURSDAY NIGHT...North to northeast winds 10 to 15 knots. Bay
waters a light to moderate chop.
.FRIDAY...Northeast to east winds 10 to 15 knots, becoming east
to southeast in the afternoon. Bay waters a light to moderate
chop.
.FRIDAY NIGHT...Southeast to south winds 10 to 15 knots. Bay
waters a light to moderate chop.
.SATURDAY...South to southwest winds near 15 knots, becoming
southwest to west 10 to 15 knots in the afternoon. Bay waters a
moderate chop, becoming a light to moderate chop. Isolated
showers.
.SATURDAY NIGHT...West to northwest winds near 10 knots, becoming
northwest to north. Bay waters a light chop. Isolated showers.
.SUNDAY AND SUNDAY NIGHT...North to northeast winds near 10
knots. Bay waters a light chop. Isolated showers.

$$

GMZ032-035-082130-
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-
1027 AM EST Wed Jan 8 2025

.THIS AFTERNOON...Northwest to north winds near 10 knots. Seas 1
to 3 feet, except around 3 feet west of the Marquesas Keys.
Nearshore waters a light chop.
.TONIGHT...Northwest to north winds near 15 knots, increasing to
15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet west of the
Marquesas Keys. Nearshore waters a moderate chop, becoming
choppy.
.THURSDAY...North winds 15 to 20 knots, becoming north to
northeast near 15 knots in the afternoon. Seas 2 to 4 feet, except
around 4 feet, occasionally to 5 feet, west of the Marquesas Keys.
Nearshore waters choppy, becoming a moderate chop.
.THURSDAY NIGHT...Northeast winds near 15 knots. Seas 1 to 3
feet, except around 3 feet west of the Marquesas Keys. Nearshore
waters a moderate chop.
.FRIDAY...Northeast to east winds 10 to 15 knots, becoming east
to southeast in the afternoon. Seas 1 to 2 feet, except 2 to 3
feet west of the Marquesas Keys. Nearshore waters a light to
moderate chop.
.FRIDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas 1
to 2 feet, except 2 to 3 feet west of the Marquesas Keys.
Nearshore waters a light to moderate chop.
.SATURDAY...South to southwest winds near 15 knots, becoming
southwest to west 10 to 15 knots in the afternoon. Seas 1 to 2
feet. Nearshore waters a moderate chop, becoming a light to
moderate chop. Isolated showers.
.SATURDAY NIGHT...Northwest to north winds near 10 knots. Seas
building to 2 to 3 feet. West of the Marquesas Keys, seas 2 to 3
feet, building to around 4 feet, occasionally to 5 feet after
midnight. Nearshore waters a light chop. Isolated showers.
.SUNDAY...North to northeast winds near 10 knots. Seas 2 to 3
feet, except around 4 feet, occasionally to 5 feet west of the
Marquesas Keys. Nearshore waters a light chop. Isolated showers.
.SUNDAY NIGHT...Northeast winds near 10 knots. Seas 2 to 3 feet,
except 3 to 4 feet, occasionally to 5 feet west of the Marquesas
Keys. Nearshore waters a light chop. Isolated showers.

$$

GMZ042-082130-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
1027 AM EST Wed Jan 8 2025

.THIS AFTERNOON...Northwest to north winds near 10 knots,
decreasing to 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters a
light chop, becoming smooth to a light chop.
.TONIGHT...Northwest to north winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 1 to 2 feet. Nearshore waters
a light to moderate chop, becoming choppy.
.THURSDAY...North winds 15 to 20 knots, decreasing to near 15
knots. Seas 1 to 2 feet. Nearshore waters choppy, becoming a
moderate chop.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop.
.FRIDAY...Northeast to east winds 10 to 15 knots, becoming east
to southeast in the afternoon. Seas 1 to 2 feet. Nearshore waters
a light to moderate chop.
.FRIDAY NIGHT...Southeast to south winds near 15 knots. Seas 2 to
3 feet. Nearshore waters a moderate chop.
.SATURDAY...South to southwest winds near 15 knots, becoming
southwest to west 10 to 15 knots in the afternoon. Seas 2 to 3
feet. Nearshore waters a moderate chop, becoming a light to
moderate chop. Isolated showers.
.SATURDAY NIGHT...West to northwest winds near 10 knots, becoming
northwest to north. Seas 1 to 2 feet. Nearshore waters a light
chop. Isolated showers.
.SUNDAY AND SUNDAY NIGHT...North to northeast winds near 10
knots. Seas 1 to 2 feet. Nearshore waters a light chop. Isolated
showers.

$$

GMZ043-044-082130-
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-
1027 AM EST Wed Jan 8 2025

.THIS AFTERNOON...North winds near 10 knots. Seas 1 to 2 feet,
except around 3 feet west of Cosgrove Shoal Light. Nearshore
waters a light chop.
.TONIGHT...Northwest to north winds near 15 knots, increasing to
15 to 20 knots. Seas 1 to 2 feet, except around 3 feet west of
Cosgrove Shoal Light. Nearshore waters a moderate chop, becoming
choppy.
.THURSDAY...North winds 15 to 20 knots, becoming north to
northeast near 15 knots in the afternoon. Seas 1 to 2 feet,
except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal
Light. Nearshore waters choppy, becoming a moderate chop.
.THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to
2 feet, except around 3 feet west of Cosgrove Shoal Light.
Nearshore waters a light to moderate chop.
.FRIDAY...Northeast to east winds 10 to 15 knots, becoming east
to southeast in the afternoon. Seas 1 to 2 feet, except 2 to 3
feet west of Cosgrove Shoal Light. Nearshore waters a light to
moderate chop.
.FRIDAY NIGHT...Southeast to south winds near 15 knots. Seas 2 to
3 feet. Nearshore waters a moderate chop.
.SATURDAY...South to southwest winds near 15 knots, becoming
southwest to west 10 to 15 knots in the afternoon. Seas 2 to 3
feet. Nearshore waters a moderate chop, becoming a light to
moderate chop. Isolated showers.
.SATURDAY NIGHT...Northwest to north winds near 10 knots. Seas 1
to 2 feet, except building to 3 to 4 feet, occasionally to 5 feet
west of Cosgrove Shoal Light. Nearshore waters a light chop.
Isolated showers.
.SUNDAY...North to northeast winds 10 to 15 knots. Seas 1 to
2 feet, except 3 to 4 feet, occasionally to 5 feet west of
Cosgrove Shoal Light. Nearshore waters a light to moderate chop.
Isolated showers.
.SUNDAY NIGHT...Northeast winds near 10 knots. Seas 1 to 2 feet,
except 3 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal
Light. Nearshore waters a light chop. Isolated showers.

$$

GMZ052-072-082130-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
1027 AM EST Wed Jan 8 2025

.THIS AFTERNOON...Northwest to north winds 10 to 15 knots,
decreasing to near 10 knots. Seas 3 to 5 feet, occasionally to 6
feet. Wave Detail: North to northeast 4 feet at 8 seconds and
southwest to west 2 feet at 8 seconds. Isolated showers.
.TONIGHT...Northwest to north winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 2 to 4 feet, occasionally to
5 feet. Wave Detail: Northwest to north 4 feet at 5 seconds and
north to northeast 3 feet at 8 seconds.
.THURSDAY...North winds 15 to 20 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: North 5 feet at 8 seconds
and north 4 feet at 4 seconds.
.THURSDAY NIGHT...Northeast winds near 15 knots. Seas 3 to 5
feet, occasionally to 6 feet.
.FRIDAY...Northeast to east winds 10 to 15 knots, becoming east
to southeast in the afternoon. Seas 3 to 4 feet, occasionally to
5 feet.
.FRIDAY NIGHT...Southeast to south winds near 15 knots. Seas
around 3 feet.
.SATURDAY...South to southwest winds near 15 knots, becoming
southwest in the afternoon. Seas 2 to 3 feet. Isolated showers.
.SATURDAY NIGHT...West winds near 10 knots, becoming northwest to
north after midnight. Seas around 2 feet. Isolated showers.
.SUNDAY...North to northeast winds near 10 knots. Seas 2 to 3
feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds near 10 knots. Seas 2 to 3 feet.
Isolated showers.

$$

GMZ053>055-073>075-082130-
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 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-
1027 AM EST Wed Jan 8 2025

.THIS AFTERNOON...North winds 10 to 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: West to northwest 4 feet at
8 seconds and north to northeast 2 feet at 3 seconds.
.TONIGHT...Northwest to north winds 10 to 15 knots, increasing to
15 to 20 knots after midnight. Seas 3 to 4 feet, occasionally to
5 feet. Wave Detail: Northwest to north 3 feet at 4 seconds and
west to northwest 3 feet at 7 seconds.
.THURSDAY...North to northeast winds 15 to 20 knots. Seas 3 to
5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at
6 seconds.
.THURSDAY NIGHT...Northeast to east winds near 15 knots. Seas
3 to 4 feet, occasionally to 5 feet.
.FRIDAY...East winds near 15 knots, becoming east to southeast.
Seas 3 to 4 feet, occasionally to 5 feet.
.FRIDAY NIGHT...Southeast to south winds near 15 knots. Seas
around 3 feet.
.SATURDAY...South to southwest winds near 15 knots, becoming
southwest to west 10 to 15 knots in the afternoon. Seas 2 to 3
feet. Isolated showers.
.SATURDAY NIGHT...Northwest to north winds near 10 knots. Seas
building to 3 to 5 feet, occasionally to 6 feet. Isolated
showers.
.SUNDAY...North to northeast winds near 10 knots, becoming
northeast 10 to 15 knots in the afternoon. Seas 3 to 5 feet,
occasionally to 6 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Isolated showers.

$$

GMZ033-034-082130-
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-
1027 AM EST Wed Jan 8 2025

.THIS AFTERNOON...North winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: Northwest 4 feet at
8 seconds.
.TONIGHT...Northwest to north winds near 15 knots, increasing to
15 to 20 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: Northwest 4 feet at 6 seconds.
.THURSDAY...North to northeast winds 15 to 20 knots. Seas 3 to
4 feet, occasionally to 5 feet. Wave Detail: Northwest to north
4 feet at 6 seconds.
.THURSDAY NIGHT...Northeast to east winds near 15 knots. Seas
2 to 4 feet, occasionally to 5 feet.
.FRIDAY...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.FRIDAY NIGHT...Southeast to south winds near 15 knots. Seas 2 to
3 feet.
.SATURDAY...South to southwest winds near 15 knots, becoming
southwest to west 10 to 15 knots in the afternoon. Seas 2 to 3
feet. Scattered showers.
.SATURDAY NIGHT...North winds 10 to 15 knots. Seas building to 3
to 5 feet, occasionally to 6 feet. Isolated showers.
.SUNDAY...North to northeast winds 10 to 15 knots. Seas 3 to
5 feet, occasionally to 6 feet. Isolated showers.
.SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Isolated showers.

$$

MJV