FZUS52 KKEY 152049
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
449 PM EDT Thu May 15 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.
GMZ005-160900-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
449 PM EDT Thu May 15 2025
.SYNOPSIS...High pressure parked in the central North Atlantic
will dominate the synoptic pattern for the next several days
across the Keys coastal waters. This will result in light to
gentle east to southeasterly breezes along with near-nil shower
chances.
The Approximate Shoreward Edge of the Gulf Stream as of May
10th...
22 NM South of Dry Tortugas Light...on Loggerhead Key.
8 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
6 NM South of Sand Key Light...off Key West.
5 NM South of Looe Key...off Big Pine Key.
7 NM South of Sombrero Key Light...off Marathon.
12 NM Southeast of Alligator Reef Light...off Islamorada.
8 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.
$$
GMZ031-160900-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds near 10 knots, decreasing to 5
to 10 knots. Bay waters a light chop, becoming smooth to a light
chop.
.FRIDAY...East to southeast winds 5 to 10 knots, increasing to
near 10 knots. Bay waters smooth to a light chop, becoming a light
chop.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Bay
waters a light to moderate chop.
.SATURDAY...East to southeast winds near 10 knots, decreasing to
5 to 10 knots. Bay waters a light chop, becoming smooth to a light
chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots. Bay
waters a light chop.
.SUNDAY...East to southeast winds 5 to 10 knots. Bay waters
smooth to a light chop.
.SUNDAY NIGHT...East to southeast winds near 10 knots. Bay waters
a light chop.
.MONDAY...Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop.
.MONDAY NIGHT...East to southeast winds near 10 knots. Bay waters
a light chop.
.TUESDAY...Southeast winds near 10 knots. Bay waters a light chop.
.TUESDAY NIGHT...Southeast to south winds 10 to 15 knots. Bay
waters a light to moderate chop.
$$
GMZ032-035-160900-
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-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds near 10 knots, decreasing to 5
to 10 knots. Seas around 1 foot. Nearshore waters a light chop,
becoming smooth to a light chop.
.FRIDAY...East to southeast winds 5 to 10 knots, increasing to
near 10 knots. Seas around 1 foot. Nearshore waters smooth to a
light chop, becoming a light chop.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
around 1 foot, except 1 to 2 feet west of the Marquesas Keys.
Nearshore waters a light to moderate chop.
.SATURDAY...Southeast winds near 10 knots, decreasing to 5 to 10
knots. Seas around 1 foot. Nearshore waters a light chop, becoming
smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots. Seas
around 1 foot, except 1 to 2 feet west of the Marquesas Keys.
Nearshore waters a light chop.
.SUNDAY...East to southeast winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop.
.SUNDAY NIGHT...East to southeast winds near 10 knots. Seas around
1 foot. Nearshore waters a light chop.
.MONDAY...Southeast to south winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop.
.MONDAY NIGHT...East to southeast winds near 10 knots. Seas
around 1 foot. Nearshore waters a light chop.
.TUESDAY...Southeast to south winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop.
.TUESDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas
around 1 foot, except 1 to 2 feet west of the Marquesas Keys.
Nearshore waters a light to moderate chop.
$$
GMZ042>044-160900-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.
.FRIDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet, building to around 2 feet. Nearshore waters a light to
moderate chop.
.SATURDAY...East to southeast winds near 10 knots, decreasing to 5
to 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop,
becoming smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots,
increasing to 10 to 15 knots. Seas 1 to 2 feet, building to
around 2 feet. Nearshore waters a light chop, becoming light to
moderate chop.
.SUNDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.
.SUNDAY NIGHT...East to southeast winds near 10 knots, increasing
to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light
chop, becoming a light to moderate chop.
.MONDAY...Southeast winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop.
.MONDAY NIGHT...Southeast winds near 10 knots, increasing to 10
to 15 knots. Seas 1 to 2 feet. Nearshore waters a light chop,
becoming a light to moderate chop.
.TUESDAY...Southeast to south winds 10 to 15 knots, decreasing to
near 10 knots. Seas 1 to 2 feet. Nearshore waters a light to
moderate chop, becoming a light chop.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to
near 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet.
Nearshore waters a light to moderate chop, becoming a moderate
chop.
$$
GMZ052>055-072>075-160900-
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-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4
seconds.
.FRIDAY...East to southeast winds near 10 knots. Seas 2 to 3
feet. Wave Detail: East 2 feet at 4 seconds.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: East 3 feet at 4 seconds.
.SATURDAY...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots, decreasing
to near 10 knots. Seas 2 to 3 feet.
.SUNDAY...East to southeast winds near 10 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...East to southeast winds near 10 knots, increasing
to 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.TUESDAY...Southeast to south winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to
near 15 knots. Seas 2 to 3 feet, building to 3 to 4 feet.
$$
GMZ033-034-160900-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Wave Detail: East to southeast 1 foot at 3 seconds and
west to northwest 1 foot at 5 seconds.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Wave Detail: East to southeast 1 foot at 3 seconds and
west to northwest 1 foot at 6 seconds.
.FRIDAY NIGHT...Southeast winds near 10 knots. Seas 1 to 2 feet.
Wave Detail: Southeast 2 feet at 3 seconds.
.SATURDAY...East to southeast winds 5 to 10 knots. Seas 1 to 2
feet.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to near 10 knots. Seas 1 to 2 feet.
.SUNDAY...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet.
.SUNDAY NIGHT...East to southeast winds 5 to 10 knots, increasing
to near 10 knots. Seas 1 to 2 feet.
.MONDAY...Southeast winds near 10 knots. Seas 1 to 2 feet.
.MONDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet.
.TUESDAY...Southeast to south winds near 10 knots. Seas 1 to 2
feet.
.TUESDAY NIGHT...Southeast winds near 10 knots, increasing to 10
to 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet.
$$
BT
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
449 PM EDT Thu May 15 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.
GMZ005-160900-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
449 PM EDT Thu May 15 2025
.SYNOPSIS...High pressure parked in the central North Atlantic
will dominate the synoptic pattern for the next several days
across the Keys coastal waters. This will result in light to
gentle east to southeasterly breezes along with near-nil shower
chances.
The Approximate Shoreward Edge of the Gulf Stream as of May
10th...
22 NM South of Dry Tortugas Light...on Loggerhead Key.
8 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
6 NM South of Sand Key Light...off Key West.
5 NM South of Looe Key...off Big Pine Key.
7 NM South of Sombrero Key Light...off Marathon.
12 NM Southeast of Alligator Reef Light...off Islamorada.
8 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.
$$
GMZ031-160900-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds near 10 knots, decreasing to 5
to 10 knots. Bay waters a light chop, becoming smooth to a light
chop.
.FRIDAY...East to southeast winds 5 to 10 knots, increasing to
near 10 knots. Bay waters smooth to a light chop, becoming a light
chop.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Bay
waters a light to moderate chop.
.SATURDAY...East to southeast winds near 10 knots, decreasing to
5 to 10 knots. Bay waters a light chop, becoming smooth to a light
chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots. Bay
waters a light chop.
.SUNDAY...East to southeast winds 5 to 10 knots. Bay waters
smooth to a light chop.
.SUNDAY NIGHT...East to southeast winds near 10 knots. Bay waters
a light chop.
.MONDAY...Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop.
.MONDAY NIGHT...East to southeast winds near 10 knots. Bay waters
a light chop.
.TUESDAY...Southeast winds near 10 knots. Bay waters a light chop.
.TUESDAY NIGHT...Southeast to south winds 10 to 15 knots. Bay
waters a light to moderate chop.
$$
GMZ032-035-160900-
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-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds near 10 knots, decreasing to 5
to 10 knots. Seas around 1 foot. Nearshore waters a light chop,
becoming smooth to a light chop.
.FRIDAY...East to southeast winds 5 to 10 knots, increasing to
near 10 knots. Seas around 1 foot. Nearshore waters smooth to a
light chop, becoming a light chop.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
around 1 foot, except 1 to 2 feet west of the Marquesas Keys.
Nearshore waters a light to moderate chop.
.SATURDAY...Southeast winds near 10 knots, decreasing to 5 to 10
knots. Seas around 1 foot. Nearshore waters a light chop, becoming
smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots. Seas
around 1 foot, except 1 to 2 feet west of the Marquesas Keys.
Nearshore waters a light chop.
.SUNDAY...East to southeast winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop.
.SUNDAY NIGHT...East to southeast winds near 10 knots. Seas around
1 foot. Nearshore waters a light chop.
.MONDAY...Southeast to south winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop.
.MONDAY NIGHT...East to southeast winds near 10 knots. Seas
around 1 foot. Nearshore waters a light chop.
.TUESDAY...Southeast to south winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop.
.TUESDAY NIGHT...Southeast to south winds 10 to 15 knots. Seas
around 1 foot, except 1 to 2 feet west of the Marquesas Keys.
Nearshore waters a light to moderate chop.
$$
GMZ042>044-160900-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.
.FRIDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet, building to around 2 feet. Nearshore waters a light to
moderate chop.
.SATURDAY...East to southeast winds near 10 knots, decreasing to 5
to 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop,
becoming smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots,
increasing to 10 to 15 knots. Seas 1 to 2 feet, building to
around 2 feet. Nearshore waters a light chop, becoming light to
moderate chop.
.SUNDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.
.SUNDAY NIGHT...East to southeast winds near 10 knots, increasing
to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters a light
chop, becoming a light to moderate chop.
.MONDAY...Southeast winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop.
.MONDAY NIGHT...Southeast winds near 10 knots, increasing to 10
to 15 knots. Seas 1 to 2 feet. Nearshore waters a light chop,
becoming a light to moderate chop.
.TUESDAY...Southeast to south winds 10 to 15 knots, decreasing to
near 10 knots. Seas 1 to 2 feet. Nearshore waters a light to
moderate chop, becoming a light chop.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to
near 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet.
Nearshore waters a light to moderate chop, becoming a moderate
chop.
$$
GMZ052>055-072>075-160900-
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-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4
seconds.
.FRIDAY...East to southeast winds near 10 knots. Seas 2 to 3
feet. Wave Detail: East 2 feet at 4 seconds.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: East 3 feet at 4 seconds.
.SATURDAY...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots, decreasing
to near 10 knots. Seas 2 to 3 feet.
.SUNDAY...East to southeast winds near 10 knots. Seas 2 to 3 feet.
.SUNDAY NIGHT...East to southeast winds near 10 knots, increasing
to 10 to 15 knots. Seas 2 to 3 feet.
.MONDAY...East to southeast winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet.
.MONDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet.
.TUESDAY...Southeast to south winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet.
.TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to
near 15 knots. Seas 2 to 3 feet, building to 3 to 4 feet.
$$
GMZ033-034-160900-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
449 PM EDT Thu May 15 2025
.TONIGHT...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Wave Detail: East to southeast 1 foot at 3 seconds and
west to northwest 1 foot at 5 seconds.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Wave Detail: East to southeast 1 foot at 3 seconds and
west to northwest 1 foot at 6 seconds.
.FRIDAY NIGHT...Southeast winds near 10 knots. Seas 1 to 2 feet.
Wave Detail: Southeast 2 feet at 3 seconds.
.SATURDAY...East to southeast winds 5 to 10 knots. Seas 1 to 2
feet.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to near 10 knots. Seas 1 to 2 feet.
.SUNDAY...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet.
.SUNDAY NIGHT...East to southeast winds 5 to 10 knots, increasing
to near 10 knots. Seas 1 to 2 feet.
.MONDAY...Southeast winds near 10 knots. Seas 1 to 2 feet.
.MONDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet.
.TUESDAY...Southeast to south winds near 10 knots. Seas 1 to 2
feet.
.TUESDAY NIGHT...Southeast winds near 10 knots, increasing to 10
to 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet.
$$
BT