FZUS52 KKEY 132020
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
420 PM EDT Tue May 13 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.
GMZ005-140830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
420 PM EDT Tue May 13 2025
.SYNOPSIS...
Gentle breezes and a decrease in shower coverage will define the
upcoming week. A stray thunderstorm in the distant southeastern
Florida Straits is possible tonight, thus showers were left in
the forecast for that period. A low pressure system over the Ohio
valley will weaken and lift north mid week, veering breezes from
northerly to easterly by Thursday. Breezes will begin to build to
moderate over the weekend without an accompanied increase in
shower coverage.
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.
$$
GMZ031-140830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots. Bay waters
smooth.
.WEDNESDAY...Northeast to east winds near 5 knots, becoming
variable. Bay waters smooth.
.WEDNESDAY NIGHT...East to southeast winds near 5 knots. Bay
waters smooth.
.THURSDAY THROUGH FRIDAY...East to southeast winds 5 to 10 knots.
Bay waters smooth to a light chop.
.FRIDAY NIGHT...East to southeast winds near 10 knots. Bay waters
a light chop.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth to a
light chop.
.SATURDAY NIGHT...Southeast winds near 10 knots. Bay waters a
light chop.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth
to a light chop.
$$
GMZ032-035-140830-
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-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots. Seas around 1
foot. Nearshore waters smooth.
.WEDNESDAY...Northeast winds near 5 knots, becoming variable.
Seas 1 foot or less. Nearshore waters smooth.
.WEDNESDAY NIGHT...Variable winds near 5 knots, becoming east to
southeast. Seas 1 foot or less. Nearshore waters smooth.
.THURSDAY THROUGH FRIDAY...East to southeast winds 5 to 10 knots.
Seas around 1 foot. Nearshore waters smooth to a light chop.
.FRIDAY NIGHT...East to southeast winds near 10 knots. Seas around
1 foot. Nearshore waters a light chop.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 1 foot,
except 1 to 2 feet west of the Marquesas Keys. Nearshore waters
smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots,
increasing to 10 to 15 knots. Seas around 1 foot. Nearshore
waters a light chop, becoming a light to moderate chop.
.SUNDAY...Southeast winds decreasing to near 10 knots. Seas around
1 foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore
waters becoming a light chop.
.SUNDAY NIGHT...East to southeast 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.
$$
GMZ042>044-140830-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots. Seas around 1
foot. Nearshore waters smooth. Isolated showers.
.WEDNESDAY...Northeast to east winds near 5 knots, becoming
variable. Seas around 1 foot. Nearshore waters smooth. Isolated
showers.
.WEDNESDAY NIGHT...East winds near 5 knots. Seas around 1 foot.
Nearshore waters smooth.
.THURSDAY THROUGH FRIDAY...East winds to southeast 5 to 10 knots.
Seas around 1 foot. Nearshore waters smooth to a light chop.
.FRIDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots,
increasing to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters
a light chop, becoming a light to moderate chop.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop.
$$
GMZ052>055-072>075-140830-
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-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots, becoming
variable. Seas 1 to 2 feet. Wave Detail: East 1 foot at 5 seconds
and west to northwest 1 foot at 6 seconds. Scattered showers and
isolated thunderstorms at times.
.WEDNESDAY...Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet. Wave Detail: Northeast to east 1 foot at 3 seconds and
west to northwest 1 foot at 6 seconds. Isolated showers.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: East 1 foot at 3 seconds and west to northwest
1 foot at 6 seconds. Isolated showers.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 2 feet.
.THURSDAY NIGHT...East winds near 10 knots, becoming east to
southeast. Seas 1 to 2 feet.
.FRIDAY...East winds 5 to 10 knots. Seas 1 to 2 feet.
.FRIDAY NIGHT...East winds near 10 knots, increasing to 10 to 15
knots. Seas 2 to 3 feet.
.SATURDAY...East to southeast winds near 10 knots. Seas 2 to
3 feet.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 3 feet.
.SUNDAY AND SUNDAY NIGHT...East to southeast winds 10 to 15
knots. Seas 2 to 3 feet. Isolated showers.
$$
GMZ033-034-140830-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots. Seas 1 to 2
feet. Wave Detail: West to northwest 2 feet at 6 seconds.
.WEDNESDAY...Northeast winds near 5 knots, becoming variable.
Seas 1 to 2 feet. Wave Detail: West to northwest 2 feet at 7
seconds.
.WEDNESDAY NIGHT...Variable winds near 5 knots, becoming east to
southeast. Seas around 1 foot. Wave Detail: West to northwest 1
foot at 6 seconds.
.THURSDAY THROUGH FRIDAY...East to southeast winds 5 to 10 knots.
Seas around 1 foot.
.FRIDAY NIGHT...East to southeast winds 5 to 10 knots, increasing
to near 10 knots. Seas 1 to 2 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to near 10 knots. Seas 1 to 2 feet.
.SUNDAY...Southeast winds near 10 knots. Seas 1 to 2 feet.
.SUNDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet.
$$
AJP/LIW
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
420 PM EDT Tue May 13 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.
GMZ005-140830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
420 PM EDT Tue May 13 2025
.SYNOPSIS...
Gentle breezes and a decrease in shower coverage will define the
upcoming week. A stray thunderstorm in the distant southeastern
Florida Straits is possible tonight, thus showers were left in
the forecast for that period. A low pressure system over the Ohio
valley will weaken and lift north mid week, veering breezes from
northerly to easterly by Thursday. Breezes will begin to build to
moderate over the weekend without an accompanied increase in
shower coverage.
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.
$$
GMZ031-140830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots. Bay waters
smooth.
.WEDNESDAY...Northeast to east winds near 5 knots, becoming
variable. Bay waters smooth.
.WEDNESDAY NIGHT...East to southeast winds near 5 knots. Bay
waters smooth.
.THURSDAY THROUGH FRIDAY...East to southeast winds 5 to 10 knots.
Bay waters smooth to a light chop.
.FRIDAY NIGHT...East to southeast winds near 10 knots. Bay waters
a light chop.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth to a
light chop.
.SATURDAY NIGHT...Southeast winds near 10 knots. Bay waters a
light chop.
.SUNDAY...Southeast winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers.
.SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth
to a light chop.
$$
GMZ032-035-140830-
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-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots. Seas around 1
foot. Nearshore waters smooth.
.WEDNESDAY...Northeast winds near 5 knots, becoming variable.
Seas 1 foot or less. Nearshore waters smooth.
.WEDNESDAY NIGHT...Variable winds near 5 knots, becoming east to
southeast. Seas 1 foot or less. Nearshore waters smooth.
.THURSDAY THROUGH FRIDAY...East to southeast winds 5 to 10 knots.
Seas around 1 foot. Nearshore waters smooth to a light chop.
.FRIDAY NIGHT...East to southeast winds near 10 knots. Seas around
1 foot. Nearshore waters a light chop.
.SATURDAY...Southeast winds 5 to 10 knots. Seas around 1 foot,
except 1 to 2 feet west of the Marquesas Keys. Nearshore waters
smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots,
increasing to 10 to 15 knots. Seas around 1 foot. Nearshore
waters a light chop, becoming a light to moderate chop.
.SUNDAY...Southeast winds decreasing to near 10 knots. Seas around
1 foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore
waters becoming a light chop.
.SUNDAY NIGHT...East to southeast 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.
$$
GMZ042>044-140830-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots. Seas around 1
foot. Nearshore waters smooth. Isolated showers.
.WEDNESDAY...Northeast to east winds near 5 knots, becoming
variable. Seas around 1 foot. Nearshore waters smooth. Isolated
showers.
.WEDNESDAY NIGHT...East winds near 5 knots. Seas around 1 foot.
Nearshore waters smooth.
.THURSDAY THROUGH FRIDAY...East winds to southeast 5 to 10 knots.
Seas around 1 foot. Nearshore waters smooth to a light chop.
.FRIDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop.
.SATURDAY NIGHT...East to southeast winds near 10 knots,
increasing to 10 to 15 knots. Seas 1 to 2 feet. Nearshore waters
a light chop, becoming a light to moderate chop.
.SUNDAY...Southeast winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.
.SUNDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop.
$$
GMZ052>055-072>075-140830-
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-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots, becoming
variable. Seas 1 to 2 feet. Wave Detail: East 1 foot at 5 seconds
and west to northwest 1 foot at 6 seconds. Scattered showers and
isolated thunderstorms at times.
.WEDNESDAY...Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet. Wave Detail: Northeast to east 1 foot at 3 seconds and
west to northwest 1 foot at 6 seconds. Isolated showers.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Wave Detail: East 1 foot at 3 seconds and west to northwest
1 foot at 6 seconds. Isolated showers.
.THURSDAY...East winds 5 to 10 knots. Seas 1 to 2 feet.
.THURSDAY NIGHT...East winds near 10 knots, becoming east to
southeast. Seas 1 to 2 feet.
.FRIDAY...East winds 5 to 10 knots. Seas 1 to 2 feet.
.FRIDAY NIGHT...East winds near 10 knots, increasing to 10 to 15
knots. Seas 2 to 3 feet.
.SATURDAY...East to southeast winds near 10 knots. Seas 2 to
3 feet.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 3 feet.
.SUNDAY AND SUNDAY NIGHT...East to southeast winds 10 to 15
knots. Seas 2 to 3 feet. Isolated showers.
$$
GMZ033-034-140830-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
420 PM EDT Tue May 13 2025
.TONIGHT...Northwest to north winds near 5 knots. Seas 1 to 2
feet. Wave Detail: West to northwest 2 feet at 6 seconds.
.WEDNESDAY...Northeast winds near 5 knots, becoming variable.
Seas 1 to 2 feet. Wave Detail: West to northwest 2 feet at 7
seconds.
.WEDNESDAY NIGHT...Variable winds near 5 knots, becoming east to
southeast. Seas around 1 foot. Wave Detail: West to northwest 1
foot at 6 seconds.
.THURSDAY THROUGH FRIDAY...East to southeast winds 5 to 10 knots.
Seas around 1 foot.
.FRIDAY NIGHT...East to southeast winds 5 to 10 knots, increasing
to near 10 knots. Seas 1 to 2 feet.
.SATURDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to near 10 knots. Seas 1 to 2 feet.
.SUNDAY...Southeast winds near 10 knots. Seas 1 to 2 feet.
.SUNDAY NIGHT...East to southeast winds near 10 knots. Seas 1 to
2 feet.
$$
AJP/LIW