FZUS52 KKEY 090816
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
416 AM EDT Tue Jun 9 2026
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.
GMZ005-092030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
416 AM EDT Tue Jun 9 2026
.SYNOPSIS...Gentle to moderate east to southeasterly breezes will
persist across the Florida Keys waters through the first half of
the week. Shower chances will remain near normal to slightly above
normal while southeasterly winds in the lower levels of the
atmosphere continue to direct low level moisture across South
Florida. Later in the week, a surface high is primed to move from
the New Jersey coastline into the Atlantic, which will allow
breezes to slacken. The overall flow of moisture is expected to
shift west at the same time, which would let shower chances
decrease.
The Approximate Shoreward Edge of the Gulf Stream as of June 6...
47 NM South of Dry Tortugas Light...on Loggerhead Key.
18 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
13 NM South of Sand Key Light...off Key West.
12 NM South of Looe Key...off Big Pine Key.
14 NM South of Sombrero Key Light...off Marathon.
10 NM Southeast of Alligator Reef Light...off Islamorada.
7 NM Southeast of Molasses Reef Light...off Key Largo.
6 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the National Weather Service in
Key West, using data from RTOFS and NASA SPoRT SST.
$$
GMZ031-092030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
416 AM EDT Tue Jun 9 2026
.TODAY...East to southeast winds near 10 knots, increasing to 10
to 15 knots. Bay waters a light chop, becoming a light to
moderate chop. A chance of showers with a slight chance of
thunderstorms.
.TONIGHT...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. A chance of showers with a slight chance
of thunderstorms.
.WEDNESDAY...East to southeast winds near 10 knots. Bay waters a
light chop. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots. Bay
waters a light chop. A slight chance of showers and
thunderstorms.
.THURSDAY...East to southeast winds near 10 knots. Bay waters a
light chop. A chance of showers with a slight chance of
thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Bay
waters smooth to a light chop. A slight chance of showers and
thunderstorms.
.FRIDAY...East to southeast winds near 5 knots. Bay waters
smooth. A chance of showers with a slight chance of
thunderstorms.
.FRIDAY NIGHT...East winds near 5 knots. Bay waters smooth. A
slight chance of showers.
.SATURDAY...East to southeast winds 5 to 10 knots. Bay waters
smooth to a light chop. A chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds near 5 knots. Bay waters
smooth. A slight chance of showers.
$$
GMZ032-035-092030-
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-
416 AM EDT Tue Jun 9 2026
.TODAY...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. A slight chance of showers and
thunderstorms.
.TONIGHT...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. A chance of showers with a slight chance
of thunderstorms.
.WEDNESDAY...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. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY 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. A chance of showers
with a slight chance of thunderstorms.
.THURSDAY...East to southeast winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. A chance of showers with a
slight chance of thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. A slight
chance of showers and thunderstorms.
.FRIDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A chance of showers with a slight
chance of thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth. A slight chance of showers.
.SATURDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A slight chance of showers.
$$
GMZ042>044-092030-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
416 AM EDT Tue Jun 9 2026
.TODAY...East to southeast winds near 10 knots, increasing to 10
to 15 knots. Seas 1 to 2 feet. Nearshore waters a light chop,
becoming a light to moderate chop. A slight chance of showers and
thunderstorms.
.TONIGHT...East to southeast winds 10 to 15 knots. Seas around 2
feet. Nearshore waters a light to moderate chop. A chance of
showers with a slight chance of thunderstorms.
.WEDNESDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. A chance of showers with a
slight chance of thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop. A slight
chance of showers and thunderstorms.
.THURSDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. A chance of showers with a
slight chance of thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. A slight
chance of showers and thunderstorms.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop. A chance of showers
with a slight chance of thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth. A slight chance of showers.
.SATURDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A slight chance of showers and
thunderstorms.
$$
GMZ052>055-072>075-092030-
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-
416 AM EDT Tue Jun 9 2026
.TODAY...East winds near 10 knots, increasing to 10 to 15 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A slight
chance of showers and thunderstorms.
.TONIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of
showers with a slight chance of thunderstorms.
.WEDNESDAY...East winds near 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. A chance of showers with a
slight chance of thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. A chance of showers with a slight chance of
thunderstorms.
.THURSDAY...East winds near 10 knots. Seas 1 to 2 feet. A chance
of showers with a slight chance of thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 to 2 feet. A slight chance of showers and thunderstorms.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 to 2
feet. A chance of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 5 knots. Seas around
1 foot. A slight chance of showers and thunderstorms.
.SATURDAY...East to southeast winds near 5 knots. Seas around 1
foot. A slight chance of showers and thunderstorms.
.SATURDAY NIGHT...East to southeast winds near 5 knots. Seas
around 1 foot. A slight chance of showers and thunderstorms.
$$
GMZ033-034-092030-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
416 AM EDT Tue Jun 9 2026
.TODAY...East to southeast winds near 10 knots. Seas 1 to 2 feet.
Wave Detail: East 1 foot at 3 seconds. A slight chance of showers
and thunderstorms.
.TONIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Wave Detail: East to southeast 2 feet at 3 seconds. A
chance of showers with a slight chance of thunderstorms.
.WEDNESDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of
showers with a slight chance of thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. A chance of showers with a slight chance of
thunderstorms.
.THURSDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. A chance of showers with a slight chance of thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
around 1 foot. A slight chance of showers and thunderstorms.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 foot or
less. A chance of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 5 knots. Seas 1 foot
or less. A slight chance of showers and thunderstorms.
.SATURDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds near 5 knots. Seas 1 foot or
less. A slight chance of showers.
$$
AJP
CWFKEY
Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
416 AM EDT Tue Jun 9 2026
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.
GMZ005-092030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
416 AM EDT Tue Jun 9 2026
.SYNOPSIS...Gentle to moderate east to southeasterly breezes will
persist across the Florida Keys waters through the first half of
the week. Shower chances will remain near normal to slightly above
normal while southeasterly winds in the lower levels of the
atmosphere continue to direct low level moisture across South
Florida. Later in the week, a surface high is primed to move from
the New Jersey coastline into the Atlantic, which will allow
breezes to slacken. The overall flow of moisture is expected to
shift west at the same time, which would let shower chances
decrease.
The Approximate Shoreward Edge of the Gulf Stream as of June 6...
47 NM South of Dry Tortugas Light...on Loggerhead Key.
18 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
13 NM South of Sand Key Light...off Key West.
12 NM South of Looe Key...off Big Pine Key.
14 NM South of Sombrero Key Light...off Marathon.
10 NM Southeast of Alligator Reef Light...off Islamorada.
7 NM Southeast of Molasses Reef Light...off Key Largo.
6 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the National Weather Service in
Key West, using data from RTOFS and NASA SPoRT SST.
$$
GMZ031-092030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
416 AM EDT Tue Jun 9 2026
.TODAY...East to southeast winds near 10 knots, increasing to 10
to 15 knots. Bay waters a light chop, becoming a light to
moderate chop. A chance of showers with a slight chance of
thunderstorms.
.TONIGHT...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. A chance of showers with a slight chance
of thunderstorms.
.WEDNESDAY...East to southeast winds near 10 knots. Bay waters a
light chop. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 10 knots. Bay
waters a light chop. A slight chance of showers and
thunderstorms.
.THURSDAY...East to southeast winds near 10 knots. Bay waters a
light chop. A chance of showers with a slight chance of
thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Bay
waters smooth to a light chop. A slight chance of showers and
thunderstorms.
.FRIDAY...East to southeast winds near 5 knots. Bay waters
smooth. A chance of showers with a slight chance of
thunderstorms.
.FRIDAY NIGHT...East winds near 5 knots. Bay waters smooth. A
slight chance of showers.
.SATURDAY...East to southeast winds 5 to 10 knots. Bay waters
smooth to a light chop. A chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds near 5 knots. Bay waters
smooth. A slight chance of showers.
$$
GMZ032-035-092030-
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-
416 AM EDT Tue Jun 9 2026
.TODAY...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. A slight chance of showers and
thunderstorms.
.TONIGHT...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. A chance of showers with a slight chance
of thunderstorms.
.WEDNESDAY...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. A chance of showers with a slight chance of
thunderstorms.
.WEDNESDAY 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. A chance of showers
with a slight chance of thunderstorms.
.THURSDAY...East to southeast winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. A chance of showers with a
slight chance of thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. A slight
chance of showers and thunderstorms.
.FRIDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A chance of showers with a slight
chance of thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth. A slight chance of showers.
.SATURDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A slight chance of showers.
$$
GMZ042>044-092030-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
Hawk Channel from Craig Key to west end of Seven Mile Bridge out
to the reef-
Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
out to the reef-
416 AM EDT Tue Jun 9 2026
.TODAY...East to southeast winds near 10 knots, increasing to 10
to 15 knots. Seas 1 to 2 feet. Nearshore waters a light chop,
becoming a light to moderate chop. A slight chance of showers and
thunderstorms.
.TONIGHT...East to southeast winds 10 to 15 knots. Seas around 2
feet. Nearshore waters a light to moderate chop. A chance of
showers with a slight chance of thunderstorms.
.WEDNESDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. A chance of showers with a
slight chance of thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop. A slight
chance of showers and thunderstorms.
.THURSDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. A chance of showers with a
slight chance of thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. A slight
chance of showers and thunderstorms.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas around 1
foot. Nearshore waters smooth to a light chop. A chance of showers
with a slight chance of thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth. A slight chance of showers.
.SATURDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A slight chance of showers and
thunderstorms.
.SATURDAY NIGHT...Southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. A slight chance of showers and
thunderstorms.
$$
GMZ052>055-072>075-092030-
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-
416 AM EDT Tue Jun 9 2026
.TODAY...East winds near 10 knots, increasing to 10 to 15 knots.
Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A slight
chance of showers and thunderstorms.
.TONIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of
showers with a slight chance of thunderstorms.
.WEDNESDAY...East winds near 10 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 4 seconds. A chance of showers with a
slight chance of thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. A chance of showers with a slight chance of
thunderstorms.
.THURSDAY...East winds near 10 knots. Seas 1 to 2 feet. A chance
of showers with a slight chance of thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 to 2 feet. A slight chance of showers and thunderstorms.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 to 2
feet. A chance of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 5 knots. Seas around
1 foot. A slight chance of showers and thunderstorms.
.SATURDAY...East to southeast winds near 5 knots. Seas around 1
foot. A slight chance of showers and thunderstorms.
.SATURDAY NIGHT...East to southeast winds near 5 knots. Seas
around 1 foot. A slight chance of showers and thunderstorms.
$$
GMZ033-034-092030-
Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM
out and beyond 5 fathoms-
Gulf of America including Dry Tortugas and Rebecca Shoal Channel-
416 AM EDT Tue Jun 9 2026
.TODAY...East to southeast winds near 10 knots. Seas 1 to 2 feet.
Wave Detail: East 1 foot at 3 seconds. A slight chance of showers
and thunderstorms.
.TONIGHT...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Wave Detail: East to southeast 2 feet at 3 seconds. A
chance of showers with a slight chance of thunderstorms.
.WEDNESDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of
showers with a slight chance of thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. A chance of showers with a slight chance of
thunderstorms.
.THURSDAY...East to southeast winds near 10 knots. Seas 1 to 2
feet. A chance of showers with a slight chance of thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
around 1 foot. A slight chance of showers and thunderstorms.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 foot or
less. A chance of showers with a slight chance of thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 5 knots. Seas 1 foot
or less. A slight chance of showers and thunderstorms.
.SATURDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. A slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds near 5 knots. Seas 1 foot or
less. A slight chance of showers.
$$
AJP