FZUS52 KKEY 240925
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
425 AM EST Wed Dec 24 2025
Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef
to south of Dry Tortugas, and the extreme southeastern Gulf of
America, 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.
GMZ005-242130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
425 AM EST Wed Dec 24 2025
.SYNOPSIS...High pressure across the Southeast U.S. will continue
to slowly meander to the northeastern Gulf through Christmas
morning. This will continue to promote moderate to fresh breezes.
The high will weaken as it continues to slowly drift southeastward
through the weekend leading to slackening breezes.
The Approximate Shoreward Edge of the Gulf Stream as of December
21...
24 NM South of Dry Tortugas Light...on Loggerhead Key.
14 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
14 NM South of Sand Key Light...off Key West.
16 NM South of Looe Key...off Big Pine Key.
17 NM Southeast of Sombrero Key Light...off Marathon.
18 NM Southeast of Alligator Reef Light...off Islamorada.
11 NM Southeast of Molasses Reef Light...off Key Largo.
6 NM Southeast of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the National Weather Service in
Key West based on products from NASA SPoRT and RTOFS.
$$
GMZ031-242130-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
425 AM EST Wed Dec 24 2025
.TODAY...Northeast to east winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers.
.TONIGHT...Northeast winds 10 to 15 knots. Bay waters a light to
moderate chop.
.THURSDAY...Northeast winds near 10 knots, decreasing to near 5
knots. Bay waters a light chop, becoming smooth.
.THURSDAY NIGHT...Northeast to east winds near 5 knots, becoming
northwest to north and increasing to 5 to 10 knots after
midnight. Bay waters smooth, becoming smooth to a light chop.
Isolated showers.
.FRIDAY...North to northeast winds 5 to 10 knots, becoming
variable and decreasing to near 5 knots. Bay waters smooth to a
light chop, becoming smooth.
.FRIDAY NIGHT...Variable winds near 5 knots, becoming northwest to
north. Bay waters smooth.
.SATURDAY...North to northeast winds near 5 knots, becoming variable.
Bay waters smooth.
.SATURDAY NIGHT...Variable winds near 5 knots, becoming north to
northeast. Bay waters smooth.
.SUNDAY...North to northeast winds near 5 knots, becoming east.
Bay waters smooth.
.SUNDAY NIGHT...Variable winds near 5 knots. Bay waters smooth.
$$
GMZ032-035-242130-
Bayside and Gulfside from Craig Key to west end of Seven Mile
Bridge-
Gulf of America from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
425 AM EST Wed Dec 24 2025
.TODAY...Northeast to east winds near 15 knots. Seas 2 to 3 feet,
except 2 to 4 feet, occasionally to 5 feet west of the Marquesas
Keys. Nearshore waters a moderate chop.
.TONIGHT...Northeast to east winds near 15 knots, decreasing to
10 to 15 knots. Seas around 2 feet, subsiding to 1 to 2 feet. West
of the Marquesas Keys, seas 2 to 3 feet, subsiding to around 2
feet. Nearshore waters a moderate chop, becoming a light to
moderate chop.
.THURSDAY...Northeast winds 10 to 15 knots, becoming north to
northeast and decreasing to 5 to 10 knots in the afternoon. Seas
1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light
to moderate chop, becoming smooth to a light chop.
.THURSDAY NIGHT...North to northeast winds 5 to 10 knots,
increasing to near 10 knots. Seas around 1 foot, except 1 to 2
feet west of the Marquesas Keys. Nearshore waters smooth to a
light chop, becoming a light chop.
.FRIDAY...North to northeast winds near 10 knots, decreasing to
near 5 knots. Seas around 1 foot. Nearshore waters a light chop,
becoming smooth.
.FRIDAY NIGHT...North to northeast winds near 5 knots. Seas 1
foot or less. Nearshore waters smooth.
.SATURDAY AND SATURDAY NIGHT...North to northeast winds near 5
knots. Seas 1 foot or less. Nearshore waters smooth.
.SUNDAY...Northeast winds 5 to 10 knots, becoming northeast to
east. Seas 1 foot or less. Nearshore waters smooth to a light
chop.
.SUNDAY NIGHT...Northeast to east winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth.
$$
GMZ042>044-242130-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
425 AM EST Wed Dec 24 2025
.TODAY...Northeast to east winds near 15 knots. Seas 2 to 3 feet,
except 2 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal
Light. Nearshore waters a moderate chop. Isolated showers.
.TONIGHT...Northeast to east winds near 15 knots. Seas 2 to 3
feet. Nearshore waters a moderate chop.
.THURSDAY...Northeast to east winds 10 to 15 knots, becoming
decreasing to 5 to 10 knots. Seas around 2 feet, subsiding to
1 to 2 feet. Nearshore waters a light to moderate chop, becoming
smooth to a light chop.
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
north to northeast and increasing to near 10 knots. Seas 1 to 2
feet, except around 2 feet west of Cosgrove Shoal Light.
Nearshore waters smooth to a light chop, becoming a light chop.
Isolated showers.
.FRIDAY...North to northeast winds near 10 knots, decreasing to
near 5 knots. Seas 1 to 2 feet, subsiding to around 1 foot.
Nearshore waters a light chop, becoming smooth. Isolated showers.
.FRIDAY NIGHT...North to northeast winds near 5 knots. Seas
1 foot or less. Nearshore waters smooth.
.SATURDAY...North to northeast winds near 5 knots, becoming
northeast. Seas 1 foot or less. Nearshore waters smooth.
.SATURDAY NIGHT...Northeast to east winds near 5 knots. Seas 1
foot or less. Nearshore waters smooth.
.SUNDAY...Northeast to east winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop.
.SUNDAY NIGHT...Northeast to east winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth.
$$
GMZ052>055-072>075-242130-
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-
425 AM EST Wed Dec 24 2025
...SMALL CRAFT ADVISORY IN EFFECT...
.TODAY...Northeast to east winds 15 to 20 knots. Seas 4 to 7
feet, occasionally to 9 feet, subsiding to 4 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast to east 7 feet at 7
seconds. Isolated showers.
.TONIGHT...Northeast to east winds 15 to 20 knots. Seas 4 to 6
feet, occasionally to 7 feet. Wave Detail: Northeast to east 7
feet at 7 seconds.
.THURSDAY...Northeast to east winds near 15 knots, decreasing to 10
to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding
to 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast to
east 6 feet at 7 seconds, becoming northeast to east 4 feet at 6
seconds.
.THURSDAY NIGHT...Northeast to east winds 10 to 15 knots, becoming
north to northeast. Seas 2 to 4 feet, occasionally to 5 feet.
Isolated showers.
.FRIDAY...North to northeast winds near 10 knots, becoming
northeast and decreasing to 5 to 10 knots. Seas 2 to 3 feet,
subsiding to 1 to 2 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
.SATURDAY THROUGH SUNDAY NIGHT...Northeast to east winds 5 to 10
knots. Seas 1 to 2 feet.
$$
GMZ033-034-242130-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
425 AM EST Wed Dec 24 2025
.TODAY...Northeast to east winds near 15 knots, decreasing to 10
to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast to east 5 feet at 5 seconds.
.TONIGHT...Northeast to east winds 10 to 15 knots, increasing to
near 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast to east 3
feet at 4 seconds.
.THURSDAY...Northeast to east winds near 15 knots, becoming north
to north and decreasing to near 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 4 seconds.
.THURSDAY NIGHT...North to northeast winds 5 to 10 knots,
increasing to near 10 knots. Seas 1 to 2 feet.
.FRIDAY...North to northeast winds near 10 knots, decreasing to 5
to 10 knots. Seas around 1 foot.
.FRIDAY NIGHT...North to northeast winds near 5 knots. Seas 1
foot or less.
.SATURDAY...North to northeast winds near 5 knots, becoming
northeast. Seas 1 foot or less.
.SATURDAY NIGHT...Northeast winds near 5 knots. Seas 1 foot or
less.
.SUNDAY...Northeast to east winds 5 to 10 knots. Seas 1 foot or
less.
.SUNDAY NIGHT...Northeast winds near 5 knots. Seas 1 foot or
less.
$$
MJV
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
425 AM EST Wed Dec 24 2025
Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef
to south of Dry Tortugas, and the extreme southeastern Gulf of
America, 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.
GMZ005-242130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
425 AM EST Wed Dec 24 2025
.SYNOPSIS...High pressure across the Southeast U.S. will continue
to slowly meander to the northeastern Gulf through Christmas
morning. This will continue to promote moderate to fresh breezes.
The high will weaken as it continues to slowly drift southeastward
through the weekend leading to slackening breezes.
The Approximate Shoreward Edge of the Gulf Stream as of December
21...
24 NM South of Dry Tortugas Light...on Loggerhead Key.
14 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
14 NM South of Sand Key Light...off Key West.
16 NM South of Looe Key...off Big Pine Key.
17 NM Southeast of Sombrero Key Light...off Marathon.
18 NM Southeast of Alligator Reef Light...off Islamorada.
11 NM Southeast of Molasses Reef Light...off Key Largo.
6 NM Southeast of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the National Weather Service in
Key West based on products from NASA SPoRT and RTOFS.
$$
GMZ031-242130-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
425 AM EST Wed Dec 24 2025
.TODAY...Northeast to east winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers.
.TONIGHT...Northeast winds 10 to 15 knots. Bay waters a light to
moderate chop.
.THURSDAY...Northeast winds near 10 knots, decreasing to near 5
knots. Bay waters a light chop, becoming smooth.
.THURSDAY NIGHT...Northeast to east winds near 5 knots, becoming
northwest to north and increasing to 5 to 10 knots after
midnight. Bay waters smooth, becoming smooth to a light chop.
Isolated showers.
.FRIDAY...North to northeast winds 5 to 10 knots, becoming
variable and decreasing to near 5 knots. Bay waters smooth to a
light chop, becoming smooth.
.FRIDAY NIGHT...Variable winds near 5 knots, becoming northwest to
north. Bay waters smooth.
.SATURDAY...North to northeast winds near 5 knots, becoming variable.
Bay waters smooth.
.SATURDAY NIGHT...Variable winds near 5 knots, becoming north to
northeast. Bay waters smooth.
.SUNDAY...North to northeast winds near 5 knots, becoming east.
Bay waters smooth.
.SUNDAY NIGHT...Variable winds near 5 knots. Bay waters smooth.
$$
GMZ032-035-242130-
Bayside and Gulfside from Craig Key to west end of Seven Mile
Bridge-
Gulf of America from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
425 AM EST Wed Dec 24 2025
.TODAY...Northeast to east winds near 15 knots. Seas 2 to 3 feet,
except 2 to 4 feet, occasionally to 5 feet west of the Marquesas
Keys. Nearshore waters a moderate chop.
.TONIGHT...Northeast to east winds near 15 knots, decreasing to
10 to 15 knots. Seas around 2 feet, subsiding to 1 to 2 feet. West
of the Marquesas Keys, seas 2 to 3 feet, subsiding to around 2
feet. Nearshore waters a moderate chop, becoming a light to
moderate chop.
.THURSDAY...Northeast winds 10 to 15 knots, becoming north to
northeast and decreasing to 5 to 10 knots in the afternoon. Seas
1 to 2 feet, subsiding to around 1 foot. Nearshore waters a light
to moderate chop, becoming smooth to a light chop.
.THURSDAY NIGHT...North to northeast winds 5 to 10 knots,
increasing to near 10 knots. Seas around 1 foot, except 1 to 2
feet west of the Marquesas Keys. Nearshore waters smooth to a
light chop, becoming a light chop.
.FRIDAY...North to northeast winds near 10 knots, decreasing to
near 5 knots. Seas around 1 foot. Nearshore waters a light chop,
becoming smooth.
.FRIDAY NIGHT...North to northeast winds near 5 knots. Seas 1
foot or less. Nearshore waters smooth.
.SATURDAY AND SATURDAY NIGHT...North to northeast winds near 5
knots. Seas 1 foot or less. Nearshore waters smooth.
.SUNDAY...Northeast winds 5 to 10 knots, becoming northeast to
east. Seas 1 foot or less. Nearshore waters smooth to a light
chop.
.SUNDAY NIGHT...Northeast to east winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth.
$$
GMZ042>044-242130-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
425 AM EST Wed Dec 24 2025
.TODAY...Northeast to east winds near 15 knots. Seas 2 to 3 feet,
except 2 to 4 feet, occasionally to 5 feet west of Cosgrove Shoal
Light. Nearshore waters a moderate chop. Isolated showers.
.TONIGHT...Northeast to east winds near 15 knots. Seas 2 to 3
feet. Nearshore waters a moderate chop.
.THURSDAY...Northeast to east winds 10 to 15 knots, becoming
decreasing to 5 to 10 knots. Seas around 2 feet, subsiding to
1 to 2 feet. Nearshore waters a light to moderate chop, becoming
smooth to a light chop.
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
north to northeast and increasing to near 10 knots. Seas 1 to 2
feet, except around 2 feet west of Cosgrove Shoal Light.
Nearshore waters smooth to a light chop, becoming a light chop.
Isolated showers.
.FRIDAY...North to northeast winds near 10 knots, decreasing to
near 5 knots. Seas 1 to 2 feet, subsiding to around 1 foot.
Nearshore waters a light chop, becoming smooth. Isolated showers.
.FRIDAY NIGHT...North to northeast winds near 5 knots. Seas
1 foot or less. Nearshore waters smooth.
.SATURDAY...North to northeast winds near 5 knots, becoming
northeast. Seas 1 foot or less. Nearshore waters smooth.
.SATURDAY NIGHT...Northeast to east winds near 5 knots. Seas 1
foot or less. Nearshore waters smooth.
.SUNDAY...Northeast to east winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop.
.SUNDAY NIGHT...Northeast to east winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth.
$$
GMZ052>055-072>075-242130-
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-
425 AM EST Wed Dec 24 2025
...SMALL CRAFT ADVISORY IN EFFECT...
.TODAY...Northeast to east winds 15 to 20 knots. Seas 4 to 7
feet, occasionally to 9 feet, subsiding to 4 to 6 feet,
occasionally to 7 feet. Wave Detail: Northeast to east 7 feet at 7
seconds. Isolated showers.
.TONIGHT...Northeast to east winds 15 to 20 knots. Seas 4 to 6
feet, occasionally to 7 feet. Wave Detail: Northeast to east 7
feet at 7 seconds.
.THURSDAY...Northeast to east winds near 15 knots, decreasing to 10
to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding
to 2 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast to
east 6 feet at 7 seconds, becoming northeast to east 4 feet at 6
seconds.
.THURSDAY NIGHT...Northeast to east winds 10 to 15 knots, becoming
north to northeast. Seas 2 to 4 feet, occasionally to 5 feet.
Isolated showers.
.FRIDAY...North to northeast winds near 10 knots, becoming
northeast and decreasing to 5 to 10 knots. Seas 2 to 3 feet,
subsiding to 1 to 2 feet. Isolated showers.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
.SATURDAY THROUGH SUNDAY NIGHT...Northeast to east winds 5 to 10
knots. Seas 1 to 2 feet.
$$
GMZ033-034-242130-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
425 AM EST Wed Dec 24 2025
.TODAY...Northeast to east winds near 15 knots, decreasing to 10
to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave
Detail: Northeast to east 5 feet at 5 seconds.
.TONIGHT...Northeast to east winds 10 to 15 knots, increasing to
near 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast to east 3
feet at 4 seconds.
.THURSDAY...Northeast to east winds near 15 knots, becoming north
to north and decreasing to near 10 knots. Seas 2 to 3 feet. Wave
Detail: Northeast 3 feet at 4 seconds.
.THURSDAY NIGHT...North to northeast winds 5 to 10 knots,
increasing to near 10 knots. Seas 1 to 2 feet.
.FRIDAY...North to northeast winds near 10 knots, decreasing to 5
to 10 knots. Seas around 1 foot.
.FRIDAY NIGHT...North to northeast winds near 5 knots. Seas 1
foot or less.
.SATURDAY...North to northeast winds near 5 knots, becoming
northeast. Seas 1 foot or less.
.SATURDAY NIGHT...Northeast winds near 5 knots. Seas 1 foot or
less.
.SUNDAY...Northeast to east winds 5 to 10 knots. Seas 1 foot or
less.
.SUNDAY NIGHT...Northeast winds near 5 knots. Seas 1 foot or
less.
$$
MJV