540
FZUS52 KKEY 060222
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1022 PM EDT Tue Aug 5 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.

GMZ005-061430-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1022 PM EDT Tue Aug 5 2025

.SYNOPSIS...A broad area of high pressure across the Gulf and
Florida Peninsula, will consolidate overnight, allowing winds to
back to the northeast to east while promoting gentle breezes. A
weak tropical wave will begin nosing in overnight and is expected
to move over the Keys waters Wednesday into Wednesday night
resulting in a period of more unsettled weather, while breezes
remain light to gentle.

The Approximate Shoreward Edge of the Gulf Stream as of August 1...

60 NM South of Dry Tortugas Light...on Loggerhead Key.
11 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 3 NM South of Sand Key Light...off Key West.
 9 NM South of Looe Key...off Big Pine Key.
 7 NM Southeast of Sombrero Key Light...off Marathon.
 9 NM Southeast of Alligator Reef Light...off Islamorada.
 5 NM Southeast of Molasses Reef Light...off Key Largo.
 3 NM Southeast 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.

$$

GMZ031-061430-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1022 PM EDT Tue Aug 5 2025

.OVERNIGHT...East to southeast winds near 10 knots early, becoming
northeast to east. Bay waters a light chop. Scattered showers and
isolated thunderstorms.
.WEDNESDAY...Northeast to east winds near 10 knots. Bay waters
a light chop. Numerous showers and scattered thunderstorms.
.WEDNESDAY NIGHT...Northeast to east winds near 10 knots,
decreasing to 5 to 10 knots. Bay waters a light chop, becoming
smooth to a light chop. Scattered showers and isolated
thunderstorms.
.THURSDAY...Northeast to east winds 5 to 10 knots. Bay waters
smooth to a light chop. Scattered showers and isolated
thunderstorms.
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
east to southeast. Bay waters smooth to a light chop. Scattered
showers and isolated thunderstorms.
.FRIDAY...Southeast winds near 5 knots. Bay waters smooth.
Scattered showers and isolated thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters smooth
to a light chop. Scattered showers and isolated thunderstorms.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds 5 to 10
knots. Bay waters smooth to a light chop. Scattered showers and
isolated thunderstorms.
.SUNDAY...Southeast to south winds 5 to 10 knots, becoming
variable. Bay waters smooth to a light chop. Scattered showers
and isolated thunderstorms.
.SUNDAY NIGHT...Variable winds near 5 knots. Bay waters smooth,
becoming smooth to a light chop. Scattered showers and isolated
thunderstorms.

$$

GMZ032-035-061430-
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-
1022 PM EDT Tue Aug 5 2025

.OVERNIGHT...East to southeast winds near 10 knots early,
becoming northeast to east. Seas around 1 foot. Nearshore waters
a light chop. Scattered showers and isolated thunderstorms.
.WEDNESDAY...Northeast to east winds near 10 knots. Seas around 1
foot. Nearshore waters a light chop. Numerous showers and
scattered thunderstorms.
.WEDNESDAY NIGHT...Northeast to east winds near 10 knots,
decreasing to 5 to 10 knots. Seas around 1 foot. Nearshore waters
a light chop, becoming a smooth to a light chop. Scattered
showers and isolated thunderstorms.
.THURSDAY...Northeast to east winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Scattered showers
and isolated thunderstorms.
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
east to southeast. Seas 1 foot or less. Nearshore waters smooth
to a light chop. Scattered showers and isolated thunderstorms.
.FRIDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. Scattered showers and isolated
thunderstorms.
.FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Scattered showers
and isolated thunderstorms.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds 5 to 10
knots. Seas 1 foot or less. Nearshore waters smooth to a light
chop. Scattered showers and isolated thunderstorms.
.SUNDAY...Southeast to south winds 5 to 10 knots, becoming south
to southwest. Seas 1 foot or less. Nearshore waters smooth to a
light chop, becoming smooth. Scattered showers and isolated
thunderstorms.
.SUNDAY NIGHT...Variable winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth. Scattered showers and isolated
thunderstorms.

$$

GMZ042>044-061430-
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-
1022 PM EDT Tue Aug 5 2025

.OVERNIGHT...Northeast to east winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.WEDNESDAY...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Scattered showers and
thunderstorms.
.WEDNESDAY NIGHT...Northeast to east winds near 10 knots,
decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around
1 foot. Nearshore waters a light chop, becoming smooth to a light
chop. Scattered showers and isolated thunderstorms.
.THURSDAY...Northeast to east winds 5 to 10 knots. Seas around
1 foot. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms.
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
east to southeast. Seas around 1 foot. Nearshore waters smooth to
a light chop. Scattered showers and isolated thunderstorms.
.FRIDAY...East to southeast winds near 5 knots. Seas 1 foot or
less. Nearshore waters smooth. Scattered showers and isolated
thunderstorms.
.FRIDAY 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.
.SATURDAY AND SATURDAY NIGHT...Southeast winds 5 to 10 knots.
Seas around 1 foot. Nearshore waters smooth to a light chop.
Scattered showers and isolated thunderstorms.
.SUNDAY...Southeast to south winds 5 to 10 knots, becoming
variable. Seas around 1 foot. Nearshore waters smooth to a light
chop, becoming smooth. Scattered showers and isolated
thunderstorms.
.SUNDAY NIGHT...Variable winds near 5 knots. Seas around 1 foot.
Nearshore waters smooth. Scattered showers and isolated
thunderstorms.

$$

GMZ052>055-072>075-061430-
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-
1022 PM EDT Tue Aug 5 2025

.OVERNIGHT...Northeast to east winds 10 to 15 knots. Seas 1 to
3 feet. Wave Detail: Northeast to east 2 feet at 3 seconds.
Scattered showers and isolated thunderstorms.
.WEDNESDAY...Northeast to east winds 10 to 15 knots. Seas 2 to 3
feet.. Wave Detail: Northeast to east 2 feet at 4 seconds.
Scattered showers and thunderstorms.
.WEDNESDAY NIGHT...Northeast to east winds 10 to 15 knots,
decreasing to near 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2
feet. Wave Detail: Northeast to east 2 feet at 4 seconds.
Scattered showers and isolated thunderstorms.
.THURSDAY...Northeast to east winds 5 to 10 knots. Seas 1 to
2 feet. Scattered showers and isolated thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms.
.FRIDAY...East to southeast winds 5 to 10 knots. Seas 1 to 2
feet. Scattered showers and isolated thunderstorms.
.FRIDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 to 2 feet. Scattered showers and isolated thunderstorms.
.SATURDAY AND SATURDAY NIGHT...Southeast winds 5 to 10 knots.
Seas 1 to 2 feet. Scattered showers and isolated thunderstorms.
.SUNDAY...Southeast winds 5 to 10 knots, becoming variable. Seas
1 to 2 feet. Scattered showers and isolated thunderstorms.
.SUNDAY NIGHT...Variable winds near 5 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms.

$$

GMZ033-034-061430-
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-
1022 PM EDT Tue Aug 5 2025

.OVERNIGHT...East winds 5 to 10 knots, becoming northeast to east
near 10 knots. Seas around 1 foot. Wave Detail: East to southeast
1 foot at 3 seconds. Scattered showers and isolated
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 1 foot.
Wave Detail: Northeast to east 1 foot at 3 seconds. Numerous
showers and scattered thunderstorms.
.WEDNESDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas
around 1 foot. Wave Detail: North 1 foot at 3 seconds. Numerous
showers and isolated thunderstorms.
.THURSDAY...Northeast to east winds 5 to 10 knots. Seas around
1 foot. Scattered showers and isolated thunderstorms.
.THURSDAY NIGHT...Northeast to east winds 5 to 10 knots, becoming
east. Seas around 1 foot. Scattered showers and isolated
thunderstorms.
.FRIDAY...East winds near 5 knots. Seas around 1 foot. Scattered
showers and isolated thunderstorms.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms.
.SATURDAY...Southeast winds near 5 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 1
foot. Scattered showers and isolated thunderstorms.
.SUNDAY...South winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms.
.SUNDAY NIGHT...Southeast to south winds 5 to 10 knots, becoming
east to southeast. Seas 1 to 2 feet. Scattered showers and
isolated thunderstorms.

$$