FZUS52 KKEY 202019
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
419 PM EDT Fri Jun 20 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.
GMZ005-210830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
419 PM EDT Fri Jun 20 2025
.SYNOPSIS...Atlantic ridging across the Florida Peninsula
will continue to gradually weaken, resulting in relaxed breezes.
It will then consolidate off the southeast coast over the weekend
and early next week, and moderate to occasionally fresh breezes
may result in a narrow window of Small Craft Should Exercise
Caution headlines as early as Monday night.
The Approximate Shoreward Edge of the Gulf Stream as of June 13...
18 NM Southwest of Dry Tortugas Light...on Loggerhead Key.
36 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
33 NM South of Sand Key Light...off Key West.
39 NM South of Looe Key...off Big Pine Key.
25 NM South of Sombrero Key Light...off Marathon.
11 NM Southeast of Alligator Reef Light...off Islamorada.
5 NM Southeast of Molasses Reef Light...off Key Largo.
5 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.
$$
GMZ031-210830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East to southeast winds near 10 knots. Bay waters
a light chop. Scattered showers and isolated thunderstorms.
.SATURDAY...East to southeast winds near 10 knots. Bay waters a
light chop. Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East winds 10 to 15 knots. Bay waters a light
to moderate chop. Scattered showers and isolated thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.
.MONDAY...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...East winds 10 to 15
knots. Bay waters a light to moderate chop. Scattered showers and
isolated thunderstorms.
$$
GMZ032-035-210830-
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-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East to southeast winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.SATURDAY...East to southeast winds near 10 knots. Seas around
1 foot. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.SATURDAY NIGHT...East winds near 10 knots, increasing to 10 to
15 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore
waters a light chop, becoming a light to moderate chop. Scattered
showers and isolated thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.
.SUNDAY NIGHT...East winds near 15 knots. Seas 1 to 2 feet.
Nearshore waters a moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds near 15 knots, increasing to 15 to 20 knots.
Seas 1 to 2 feet, building to around 2 feet. Nearshore waters a
moderate chop, becoming choppy. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15
knots. Seas around 2 feet, subsiding to 1 to 2 feet. Nearshore
waters choppy, becoming a moderate chop. Scattered showers and
isolated thunderstorms.
.TUESDAY...East winds near 15 knots, decreasing to 10 to 15 knots.
Seas 1 to 2 feet. Nearshore waters a moderate chop, becoming a
light to moderate chop. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT AND WEDNESDAY...East winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
.WEDNESDAY 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. Scattered showers and
isolated thunderstorms.
$$
GMZ042>044-210830-
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-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.SATURDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.SATURDAY NIGHT...East 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. Scattered showers and isolated
thunderstorms.
.SUNDAY...East 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. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds near 15 knots, increasing to 15 to 20 knots.
Seas 2 to 3 feet. Nearshore waters a moderate chop, becoming
choppy. Scattered showers and isolated thunderstorms.
.MONDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15
knots. Seas 2 to 3 feet. Nearshore waters choppy, becoming a
moderate chop. Scattered showers and isolated thunderstorms.
.TUESDAY...East winds near 15 knots, decreasing to 10 to 15 knots.
Seas 2 to 3 feet, subsiding to around 2 feet. Nearshore waters a
moderate chop, becoming a light to moderate chop. Scattered
showers and isolated thunderstorms.
.TUESDAY NIGHT AND WEDNESDAY...East winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop.
Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 3 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
$$
GMZ052>055-072>075-210830-
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-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East winds near 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 4 seconds. Scattered showers and isolated
thunderstorms.
.SATURDAY...East winds near 10 knots. Seas 2 to 3 feet. Wave
Detail: East to southeast 3 feet at 4 seconds. Scattered showers
and isolated thunderstorms.
.SATURDAY NIGHT...East winds near 10 knots, increasing to 10 to
15 knots. Seas 2 to 3 feet. Scattered showers and isolated
thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds near 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds near 15 knots, increasing to 15 to 20 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and
isolated thunderstorms.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY...East winds decreasing to near 15 knots. Seas 3 to 4
feet, occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds decreasing to 10 to 15 knots. Seas
subsiding to 2 to 4 feet, occasionally to 5 feet. Scattered
showers and isolated thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 4 feet, occasionally to 5 feet. Scattered showers and
isolated thunderstorms.
$$
GMZ033-034-210830-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East winds near 10 knots. Seas 1 to 2 feet. Wave
Detail: East to southeast 1 foot at 3 seconds. Scattered showers
and isolated thunderstorms.
.SATURDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Wave Detail: East to southeast 1 foot at 3 seconds.
Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas building to around
2 feet. Scattered showers and isolated thunderstorms.
.MONDAY...East winds 10 to 15 knots, increasing to near 15 knots.
Seas around 2 feet, building to 2 to 3 feet. Numerous showers and
isolated thunderstorms.
.MONDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet.
Scattered showers and isolated thunderstorms.
.TUESDAY AND TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to
3 feet. Scattered showers and isolated thunderstorms.
.WEDNESDAY...East winds near 10 knots. Seas 2 to 3 feet.
Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 3 feet. Scattered showers and isolated thunderstorms.
$$
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
419 PM EDT Fri Jun 20 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.
GMZ005-210830-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
419 PM EDT Fri Jun 20 2025
.SYNOPSIS...Atlantic ridging across the Florida Peninsula
will continue to gradually weaken, resulting in relaxed breezes.
It will then consolidate off the southeast coast over the weekend
and early next week, and moderate to occasionally fresh breezes
may result in a narrow window of Small Craft Should Exercise
Caution headlines as early as Monday night.
The Approximate Shoreward Edge of the Gulf Stream as of June 13...
18 NM Southwest of Dry Tortugas Light...on Loggerhead Key.
36 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
33 NM South of Sand Key Light...off Key West.
39 NM South of Looe Key...off Big Pine Key.
25 NM South of Sombrero Key Light...off Marathon.
11 NM Southeast of Alligator Reef Light...off Islamorada.
5 NM Southeast of Molasses Reef Light...off Key Largo.
5 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.
$$
GMZ031-210830-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East to southeast winds near 10 knots. Bay waters
a light chop. Scattered showers and isolated thunderstorms.
.SATURDAY...East to southeast winds near 10 knots. Bay waters a
light chop. Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East winds 10 to 15 knots. Bay waters a light
to moderate chop. Scattered showers and isolated thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.
.MONDAY...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Scattered showers and isolated thunderstorms.
.MONDAY NIGHT THROUGH WEDNESDAY NIGHT...East winds 10 to 15
knots. Bay waters a light to moderate chop. Scattered showers and
isolated thunderstorms.
$$
GMZ032-035-210830-
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-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East to southeast winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.SATURDAY...East to southeast winds near 10 knots. Seas around
1 foot. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.SATURDAY NIGHT...East winds near 10 knots, increasing to 10 to
15 knots. Seas around 1 foot, building to 1 to 2 feet. Nearshore
waters a light chop, becoming a light to moderate chop. Scattered
showers and isolated thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.
.SUNDAY NIGHT...East winds near 15 knots. Seas 1 to 2 feet.
Nearshore waters a moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds near 15 knots, increasing to 15 to 20 knots.
Seas 1 to 2 feet, building to around 2 feet. Nearshore waters a
moderate chop, becoming choppy. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15
knots. Seas around 2 feet, subsiding to 1 to 2 feet. Nearshore
waters choppy, becoming a moderate chop. Scattered showers and
isolated thunderstorms.
.TUESDAY...East winds near 15 knots, decreasing to 10 to 15 knots.
Seas 1 to 2 feet. Nearshore waters a moderate chop, becoming a
light to moderate chop. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT AND WEDNESDAY...East winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
.WEDNESDAY 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. Scattered showers and
isolated thunderstorms.
$$
GMZ042>044-210830-
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-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.SATURDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.SATURDAY NIGHT...East 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. Scattered showers and isolated
thunderstorms.
.SUNDAY...East 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. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds near 15 knots, increasing to 15 to 20 knots.
Seas 2 to 3 feet. Nearshore waters a moderate chop, becoming
choppy. Scattered showers and isolated thunderstorms.
.MONDAY NIGHT...East winds 15 to 20 knots, decreasing to near 15
knots. Seas 2 to 3 feet. Nearshore waters choppy, becoming a
moderate chop. Scattered showers and isolated thunderstorms.
.TUESDAY...East winds near 15 knots, decreasing to 10 to 15 knots.
Seas 2 to 3 feet, subsiding to around 2 feet. Nearshore waters a
moderate chop, becoming a light to moderate chop. Scattered
showers and isolated thunderstorms.
.TUESDAY NIGHT AND WEDNESDAY...East winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop.
Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 3 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
$$
GMZ052>055-072>075-210830-
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-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East winds near 10 knots. Seas 2 to 3 feet. Wave
Detail: East 3 feet at 4 seconds. Scattered showers and isolated
thunderstorms.
.SATURDAY...East winds near 10 knots. Seas 2 to 3 feet. Wave
Detail: East to southeast 3 feet at 4 seconds. Scattered showers
and isolated thunderstorms.
.SATURDAY NIGHT...East winds near 10 knots, increasing to 10 to
15 knots. Seas 2 to 3 feet. Scattered showers and isolated
thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds near 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds near 15 knots, increasing to 15 to 20 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Scattered showers and
isolated thunderstorms.
.MONDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY...East winds decreasing to near 15 knots. Seas 3 to 4
feet, occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds decreasing to 10 to 15 knots. Seas
subsiding to 2 to 4 feet, occasionally to 5 feet. Scattered
showers and isolated thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Scattered showers and isolated
thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 4 feet, occasionally to 5 feet. Scattered showers and
isolated thunderstorms.
$$
GMZ033-034-210830-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
419 PM EDT Fri Jun 20 2025
.TONIGHT...East winds near 10 knots. Seas 1 to 2 feet. Wave
Detail: East to southeast 1 foot at 3 seconds. Scattered showers
and isolated thunderstorms.
.SATURDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Wave Detail: East to southeast 1 foot at 3 seconds.
Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms.
.SUNDAY...East winds 10 to 15 knots. Seas 1 to 2 feet. Scattered
showers and isolated thunderstorms.
.SUNDAY NIGHT...East winds 10 to 15 knots. Seas building to around
2 feet. Scattered showers and isolated thunderstorms.
.MONDAY...East winds 10 to 15 knots, increasing to near 15 knots.
Seas around 2 feet, building to 2 to 3 feet. Numerous showers and
isolated thunderstorms.
.MONDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet.
Scattered showers and isolated thunderstorms.
.TUESDAY AND TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to
3 feet. Scattered showers and isolated thunderstorms.
.WEDNESDAY...East winds near 10 knots. Seas 2 to 3 feet.
Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
2 to 3 feet. Scattered showers and isolated thunderstorms.
$$