909
FZUS52 KKEY 291420
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1020 AM EDT Sun Jun 29 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.

GMZ005-300230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1020 AM EDT Sun Jun 29 2025

.SYNOPSIS...Broad surface ridging will continue to rebuild over
the Atlantic and support gentle to moderate east to southeasterly
breezes across Florida Keys coastal waters. A Saharan Air Layer
will limit shower coverage through the rest of the weekend, but
an isolated shower or thunderstorm cannot be ruled out. A return
to near- normal rain and thunder chances is expected for the early
to middle of next week.

The Approximate Shoreward Edge of the Gulf Stream as of June 29...

14 NM Southwest of Dry Tortugas Light...on Loggerhead Key.
15 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
18 NM South of Sand Key Light...off Key West.
26 NM South of Looe Key...off Big Pine Key.
31 NM South of Sombrero Key Light...off Marathon.
18 NM Southeast of Alligator Reef Light...off Islamorada.
 9 NM Southeast of Molasses Reef Light...off Key Largo.
 3 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.

$$

GMZ031-300230-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1020 AM EDT Sun Jun 29 2025

.THIS AFTERNOON...East to southeast winds near 10 knots. Bay
waters a light chop. Scattered showers and isolated thunderstorms.
.TONIGHT...Northeast to east winds near 10 knots. Bay waters a
light chop. Scattered showers and isolated thunderstorms.
.MONDAY...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT...East to southeast winds near 10 knots. Bay waters
a light chop. Scattered showers and isolated thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Bay waters smooth to a
light chop. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth
to a light chop. Scattered showers and isolated thunderstorms.
.WEDNESDAY...Southeast to south winds 5 to 10 knots. Bay waters
smooth to a light chop. Scattered showers and isolated
thunderstorms.
.WEDNESDAY NIGHT...Southeast to south winds 5 to 10 knots. Bay
waters smooth to a light chop. Isolated showers and
thunderstorms.
.THURSDAY...Southeast to south winds near 10 knots. Bay waters a
light chop. Scattered showers and isolated thunderstorms.
.THURSDAY NIGHT...Southeast to south winds near 10 knots. Bay
waters a light chop. Isolated showers and thunderstorms.

$$

GMZ032-035-300230-
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-
1020 AM EDT Sun Jun 29 2025

.THIS AFTERNOON...East to southeast 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. Scattered showers
and isolated thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots, decreasing to near 10
knots. Seas subsiding to 1 foot or less. Nearshore waters a light
to moderate chop, becoming a light chop. Scattered showers and
isolated thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. Scattered showers and
isolated thunderstorms.
.TUESDAY NIGHT AND WEDNESDAY...Southeast winds 5 to 10 knots.
Seas 1 foot or less. Nearshore waters smooth to a light chop.
Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Isolated showers
and thunderstorms.
.THURSDAY AND THURSDAY NIGHT...Southeast to south winds 5 to 10
knots. Seas 1 foot or less. Nearshore waters smooth to a light
chop. Isolated showers and thunderstorms.

$$

GMZ042>044-300230-
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-
1020 AM EDT Sun Jun 29 2025

.THIS AFTERNOON...East to southeast winds 10 to 15 knots. Seas 2
to 3 feet. Nearshore waters a light to moderate chop. Isolated
showers and thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Nearshore
waters a light to moderate chop. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT...East to southeast 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. Scattered showers and
isolated thunderstorms.
.TUESDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Scattered showers and
isolated thunderstorms.
.TUESDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms.
.WEDNESDAY...Southeast winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. Scattered showers and
isolated thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Isolated showers
and thunderstorms.
.THURSDAY...Southeast winds near 10 knots. Seas around 2 feet.
Nearshore waters a light chop. Isolated showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Isolated showers
and thunderstorms.

$$

GMZ052>055-072>075-300230-
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-
1020 AM EDT Sun Jun 29 2025

.THIS AFTERNOON...East to southeast winds near 15 knots, decreasing
to 10 to 15 knots. Seas 3 to 4 feet, occasionally to 5 feet. Wave
Detail: East to southeast 4 feet at 6 seconds. Isolated showers
and thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds.
Isolated showers and thunderstorms.
.MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds.
Scattered showers and isolated thunderstorms.
.MONDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2 to
3 feet. Scattered showers and isolated thunderstorms.
.TUESDAY...East to southeast winds near 10 knots, decreasing to 5
to 10 knots. Seas subsiding to 1 to 2 feet. Scattered showers and
isolated thunderstorms.
.TUESDAY NIGHT...East to southeast winds near 10 knots. Seas
around 2 feet. Scattered showers and isolated thunderstorms.
.WEDNESDAY...East to southeast winds 5 to 10 knots. Seas 1 to
2 feet. Isolated showers and thunderstorms.
.WEDNESDAY NIGHT...East winds near 10 knots, becoming east to
southeast. Seas 1 to 2 feet. Isolated showers and thunderstorms.
.THURSDAY...Southeast winds near 10 knots. Seas around 2 feet.
Isolated showers and thunderstorms.
.THURSDAY NIGHT...East to southeast winds near 10 knots. Seas 1
to 2 feet. Isolated showers and thunderstorms.

$$

GMZ033-034-300230-
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-
1020 AM EDT Sun Jun 29 2025

.THIS AFTERNOON...East to southeast winds 10 to 15 knots,
decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to around
2 feet. Wave Detail: East to southeast 2 feet at 4 seconds.
Isolated showers and thunderstorms.
.TONIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave
Detail: East 2 feet at 3 seconds. Scattered showers and isolated
thunderstorms.
.MONDAY...East to southeast winds 10 to 15 knots. Seas 1 to
2 feet. Wave Detail: East to southeast 2 feet at 4 seconds.
Scattered showers and isolated thunderstorms.
.MONDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms.
.TUESDAY...East to southeast winds 5 to 10 knots. Seas around
1 foot. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 1
foot. Isolated showers and thunderstorms.
.WEDNESDAY...Southeast to south winds 5 to 10 knots. Seas around
1 foot. Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around
1 foot. Isolated showers and thunderstorms.
.THURSDAY AND THURSDAY NIGHT...Southeast to south winds 5 to 10
knots. Seas 1 to 2 feet. Isolated showers and thunderstorms.

$$