FZUS52 KKEY 231425
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1025 AM EDT Wed Apr 23 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.
GMZ005-232030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1025 AM EDT Wed Apr 23 2025
.SYNOPSIS...Gentle to moderate mainly easterly breezes are
expected through this afternoon as high pressure remains anchored
over the western North Atlantic. Breezes are expected to freshen
and shift to the northeast to east tonight as the high shifts
slightly west and subtly strengthens. Breezes modestly slacken one
more time for overnight into Thursday morning before another
prolonged surge in breezes is anticipated for Thursday afternoon
through Friday night. Small Craft Advisories likely will be
required as a result for this time frame. The high weakens over
the weekend leading to slackening breezes.
The Approximate Shoreward Edge of the Gulf Stream as of April
22nd...
30 NM South of Dry Tortugas Light...on Loggerhead Key.
6 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
2 NM South of Sand Key Light...off Key West.
4 NM South of Looe Key...off Big Pine Key.
5 NM South of Sombrero Key Light...off Marathon.
7 NM Southeast of Alligator Reef Light...off Islamorada.
5 NM Southeast of Molasses Reef Light...off Key Largo.
4 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 NASA SPoRT.
$$
GMZ031-232030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds 10 to 15 knots, increasing to near
15 knots. Bay waters a light to moderate chop, becoming a
moderate chop.
.TONIGHT...Northeast to east winds 15 to 20 knots, decreasing to 10
to 15 knots after midnight. Bay waters choppy, becoming a light
to moderate chop.
.THURSDAY...Northeast to east winds 10 to 15 knots, increasing to 15
to 20 knots in the afternoon. Bay waters a light to moderate
chop, becoming choppy. Isolated showers.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Bay
waters choppy. Isolated showers and thunderstorms.
.FRIDAY...Northeast to east winds 15 to 20 knots. Bay waters
choppy. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds 15 to 20 knots, decreasing
to 10 to 15 knots after midnight. Bay waters choppy, becoming a
light to moderate chop. Isolated showers.
.SATURDAY...Northeast to east winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers.
.SATURDAY NIGHT...Northeast to east winds 10 to 15 knots. Bay
waters a light to moderate chop.
.SUNDAY...East winds near 10 knots. Bay waters a light chop.
.SUNDAY NIGHT...Northeast to east winds 10 to 15 knots. Bay
waters a light to moderate chop.
$$
GMZ032-035-232030-
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-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds near 15 knots. Seas 1 to 2 feet,
except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a
moderate chop.
.TONIGHT...Northeast to east winds 15 to 20 knots. Seas 1 to 2
feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore
waters choppy.
.THURSDAY...East winds near 15 knots, increasing to 15 to 20
knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas
Keys. Nearshore waters a moderate chop, becoming choppy. Isolated
showers.
.THURSDAY NIGHT...East winds near 20 knots. Seas 2 to 3 feet,
except 3 to 4 feet, occasionally to 5 feet west of the Marquesas
Keys. Nearshore waters rough. Isolated showers and thunderstorms.
.FRIDAY...East winds 15 to 20 knots. Seas 2 to 3 feet, except
3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys.
Nearshore waters choppy. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds 15 to 20 knots, decreasing
to near 15 knots. Seas 1 to 2 feet, except around 3 feet west of
the Marquesas Keys. Nearshore waters choppy, becoming a moderate
chop. Isolated showers.
.SATURDAY...Northeast to east winds near 15 knots. Seas 1 to 2
feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore
waters a moderate chop. Isolated showers.
.SATURDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop.
.SUNDAY...Northeast to east winds near 10 knots. Seas around 1
foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore
waters a light chop.
.SUNDAY NIGHT...Northeast to east 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.
$$
GMZ042>044-232030-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop.
.TONIGHT...Northeast to east winds increasing to 15 to 20 knots.
Seas building to 2 to 4 feet, occasionally to 5 feet. Nearshore
waters becoming choppy.
.THURSDAY...Northeast to east winds near 15 knots, increasing to
near 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Nearshore waters a moderate chop, becoming rough.
Isolated showers.
.THURSDAY NIGHT...Northeast to east winds near 20 knots. Seas 3
to 4 feet, occasionally to 5 feet. Nearshore waters rough.
Isolated showers and thunderstorms.
.FRIDAY...Northeast to east winds 15 to 20 knots. Seas 2 to 4
feet, occasionally to 5 feet. Nearshore waters choppy. Isolated
showers.
.FRIDAY NIGHT...Northeast to east winds 15 to 20 knots, decreasing
to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.
Nearshore waters choppy, becoming a moderate chop. Isolated
showers.
.SATURDAY...Northeast to east winds near 15 knots. Seas 2 to 3
feet. Nearshore waters a moderate chop. Isolated showers.
.SATURDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop.
.SUNDAY...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.
.SUNDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop.
$$
GMZ052>055-072>075-232030-
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-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds near 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds.
.TONIGHT...Northeast to east winds increasing to 15 to 20 knots.
Seas building to 4 to 5 feet, occasionally to 7 feet. Wave Detail:
Northeast to east 4 feet at 5 seconds. Isolated showers.
.THURSDAY...Northeast to east winds near 15 knots, increasing to
near 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers.
.THURSDAY NIGHT...Northeast to east winds near 20 knots. Seas
building to 5 to 7 feet, occasionally to 9 feet. Scattered
showers and isolated thunderstorms.
.FRIDAY...Northeast to east winds 15 to 20 knots. Seas 4 to
6 feet, occasionally to 8 feet. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds 15 to 20 knots, decreasing
to near 15 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Isolated showers.
.SATURDAY...Northeast to east winds near 15 knots. Seas 3 to 5
feet, occasionally to 6 feet. Isolated showers.
.SATURDAY NIGHT...Northeast to east winds near 15 knots. Seas
3 to 4 feet, occasionally to 5 feet. Isolated showers.
.SUNDAY...Northeast to east winds 10 to 15 knots. Seas subsiding
to 2 to 3 feet.
.SUNDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 2 to
3 feet.
$$
GMZ033-034-232030-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds 10 to 15 knots, becoming east to
southeast. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4
seconds.
.TONIGHT...East to southeast winds 10 to 15 knots, becoming east
and increasing to 15 to 20 knots after midnight. Seas 2 to 3
feet, building to 2 to 4 feet, occasionally to 5 feet. Wave
Detail: East 3 feet at 4 seconds.
.THURSDAY...Northeast to east winds near 15 knots. Seas 2 to 3
feet. Wave Detail: East 3 feet at 4 seconds.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2
to 4 feet, occasionally to 5 feet. Isolated showers and
thunderstorms.
.FRIDAY...Northeast to east winds 15 to 20 knots, decreasing to
10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally
to 5 feet, subsiding to 2 to 3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds near 15 knots. Seas 2 to
3 feet. Isolated showers.
.SATURDAY...Northeast to east winds near 15 knots, becoming east
and decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to 1
to 2 feet. Isolated showers.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots,
becoming northeast to east and increasing to 10 to 15 knots. Seas
1 to 2 feet, building to around 2 feet.
.SUNDAY...Northeast to east winds near 10 knots, decreasing to 5
to 10 knots. Seas 1 to 2 feet.
.SUNDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet.
$$
AP/MJV
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1025 AM EDT Wed Apr 23 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.
GMZ005-232030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1025 AM EDT Wed Apr 23 2025
.SYNOPSIS...Gentle to moderate mainly easterly breezes are
expected through this afternoon as high pressure remains anchored
over the western North Atlantic. Breezes are expected to freshen
and shift to the northeast to east tonight as the high shifts
slightly west and subtly strengthens. Breezes modestly slacken one
more time for overnight into Thursday morning before another
prolonged surge in breezes is anticipated for Thursday afternoon
through Friday night. Small Craft Advisories likely will be
required as a result for this time frame. The high weakens over
the weekend leading to slackening breezes.
The Approximate Shoreward Edge of the Gulf Stream as of April
22nd...
30 NM South of Dry Tortugas Light...on Loggerhead Key.
6 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
2 NM South of Sand Key Light...off Key West.
4 NM South of Looe Key...off Big Pine Key.
5 NM South of Sombrero Key Light...off Marathon.
7 NM Southeast of Alligator Reef Light...off Islamorada.
5 NM Southeast of Molasses Reef Light...off Key Largo.
4 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 NASA SPoRT.
$$
GMZ031-232030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds 10 to 15 knots, increasing to near
15 knots. Bay waters a light to moderate chop, becoming a
moderate chop.
.TONIGHT...Northeast to east winds 15 to 20 knots, decreasing to 10
to 15 knots after midnight. Bay waters choppy, becoming a light
to moderate chop.
.THURSDAY...Northeast to east winds 10 to 15 knots, increasing to 15
to 20 knots in the afternoon. Bay waters a light to moderate
chop, becoming choppy. Isolated showers.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Bay
waters choppy. Isolated showers and thunderstorms.
.FRIDAY...Northeast to east winds 15 to 20 knots. Bay waters
choppy. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds 15 to 20 knots, decreasing
to 10 to 15 knots after midnight. Bay waters choppy, becoming a
light to moderate chop. Isolated showers.
.SATURDAY...Northeast to east winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers.
.SATURDAY NIGHT...Northeast to east winds 10 to 15 knots. Bay
waters a light to moderate chop.
.SUNDAY...East winds near 10 knots. Bay waters a light chop.
.SUNDAY NIGHT...Northeast to east winds 10 to 15 knots. Bay
waters a light to moderate chop.
$$
GMZ032-035-232030-
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-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds near 15 knots. Seas 1 to 2 feet,
except 2 to 3 feet west of the Marquesas Keys. Nearshore waters a
moderate chop.
.TONIGHT...Northeast to east winds 15 to 20 knots. Seas 1 to 2
feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore
waters choppy.
.THURSDAY...East winds near 15 knots, increasing to 15 to 20
knots. Seas 1 to 2 feet, except 2 to 3 feet west of the Marquesas
Keys. Nearshore waters a moderate chop, becoming choppy. Isolated
showers.
.THURSDAY NIGHT...East winds near 20 knots. Seas 2 to 3 feet,
except 3 to 4 feet, occasionally to 5 feet west of the Marquesas
Keys. Nearshore waters rough. Isolated showers and thunderstorms.
.FRIDAY...East winds 15 to 20 knots. Seas 2 to 3 feet, except
3 to 4 feet, occasionally to 5 feet west of the Marquesas Keys.
Nearshore waters choppy. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds 15 to 20 knots, decreasing
to near 15 knots. Seas 1 to 2 feet, except around 3 feet west of
the Marquesas Keys. Nearshore waters choppy, becoming a moderate
chop. Isolated showers.
.SATURDAY...Northeast to east winds near 15 knots. Seas 1 to 2
feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore
waters a moderate chop. Isolated showers.
.SATURDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop.
.SUNDAY...Northeast to east winds near 10 knots. Seas around 1
foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore
waters a light chop.
.SUNDAY NIGHT...Northeast to east 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.
$$
GMZ042>044-232030-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop.
.TONIGHT...Northeast to east winds increasing to 15 to 20 knots.
Seas building to 2 to 4 feet, occasionally to 5 feet. Nearshore
waters becoming choppy.
.THURSDAY...Northeast to east winds near 15 knots, increasing to
near 20 knots in the afternoon. Seas 2 to 4 feet, occasionally to
5 feet. Nearshore waters a moderate chop, becoming rough.
Isolated showers.
.THURSDAY NIGHT...Northeast to east winds near 20 knots. Seas 3
to 4 feet, occasionally to 5 feet. Nearshore waters rough.
Isolated showers and thunderstorms.
.FRIDAY...Northeast to east winds 15 to 20 knots. Seas 2 to 4
feet, occasionally to 5 feet. Nearshore waters choppy. Isolated
showers.
.FRIDAY NIGHT...Northeast to east winds 15 to 20 knots, decreasing
to near 15 knots. Seas 2 to 4 feet, occasionally to 5 feet.
Nearshore waters choppy, becoming a moderate chop. Isolated
showers.
.SATURDAY...Northeast to east winds near 15 knots. Seas 2 to 3
feet. Nearshore waters a moderate chop. Isolated showers.
.SATURDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop.
.SUNDAY...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop.
.SUNDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop.
$$
GMZ052>055-072>075-232030-
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-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds near 15 knots. Seas 3 to 5 feet,
occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds.
.TONIGHT...Northeast to east winds increasing to 15 to 20 knots.
Seas building to 4 to 5 feet, occasionally to 7 feet. Wave Detail:
Northeast to east 4 feet at 5 seconds. Isolated showers.
.THURSDAY...Northeast to east winds near 15 knots, increasing to
near 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to
8 feet. Wave Detail: East 4 feet at 6 seconds. Isolated showers.
.THURSDAY NIGHT...Northeast to east winds near 20 knots. Seas
building to 5 to 7 feet, occasionally to 9 feet. Scattered
showers and isolated thunderstorms.
.FRIDAY...Northeast to east winds 15 to 20 knots. Seas 4 to
6 feet, occasionally to 8 feet. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds 15 to 20 knots, decreasing
to near 15 knots. Seas 4 to 6 feet, occasionally to 8 feet.
Isolated showers.
.SATURDAY...Northeast to east winds near 15 knots. Seas 3 to 5
feet, occasionally to 6 feet. Isolated showers.
.SATURDAY NIGHT...Northeast to east winds near 15 knots. Seas
3 to 4 feet, occasionally to 5 feet. Isolated showers.
.SUNDAY...Northeast to east winds 10 to 15 knots. Seas subsiding
to 2 to 3 feet.
.SUNDAY NIGHT...Northeast to east winds 10 to 15 knots. Seas 2 to
3 feet.
$$
GMZ033-034-232030-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
1025 AM EDT Wed Apr 23 2025
.THIS AFTERNOON...East winds 10 to 15 knots, becoming east to
southeast. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4
seconds.
.TONIGHT...East to southeast winds 10 to 15 knots, becoming east
and increasing to 15 to 20 knots after midnight. Seas 2 to 3
feet, building to 2 to 4 feet, occasionally to 5 feet. Wave
Detail: East 3 feet at 4 seconds.
.THURSDAY...Northeast to east winds near 15 knots. Seas 2 to 3
feet. Wave Detail: East 3 feet at 4 seconds.
.THURSDAY NIGHT...Northeast to east winds 15 to 20 knots. Seas 2
to 4 feet, occasionally to 5 feet. Isolated showers and
thunderstorms.
.FRIDAY...Northeast to east winds 15 to 20 knots, decreasing to
10 to 15 knots in the afternoon. Seas 2 to 4 feet, occasionally
to 5 feet, subsiding to 2 to 3 feet. Isolated showers.
.FRIDAY NIGHT...Northeast to east winds near 15 knots. Seas 2 to
3 feet. Isolated showers.
.SATURDAY...Northeast to east winds near 15 knots, becoming east
and decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to 1
to 2 feet. Isolated showers.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots,
becoming northeast to east and increasing to 10 to 15 knots. Seas
1 to 2 feet, building to around 2 feet.
.SUNDAY...Northeast to east winds near 10 knots, decreasing to 5
to 10 knots. Seas 1 to 2 feet.
.SUNDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet.
$$
AP/MJV