232
FZUS52 KKEY 060826
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
426 AM EDT Sun Jul 6 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.

GMZ005-062030-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
426 AM EDT Sun Jul 6 2025

.SYNOPSIS...Weak ridging will gradually build across the area
today, causing light to gentle breezes to back from south to
southeast, and eventually assuming an easterly direction by
tonight. These light to gentle easterly breezes will prevail
through most of the week. Chances for showers and thunderstorms
are close to normal through the start of the week, but an easterly
wave may result in some unsettled weather sometime Wednesday and
Thursday.

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.

$$

GMZ031-062030-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
426 AM EDT Sun Jul 6 2025

.TODAY...South to southwest winds near 10 knots, becoming
southeast to south and decreasing to 5 to 10 knots. Bay waters a
light chop, becoming smooth to a light chop. Scattered showers and
isolated thunderstorms.
.TONIGHT...Southeast to south winds 5 to 10 knots, becoming east
to southeast. Bay waters smooth to a light chop. Isolated showers
and thunderstorms.
.MONDAY...East to southeast winds 5 to 10 knots, becoming east.
Bay waters smooth to a light chop. Scattered showers and isolated
thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth to a
light chop. Isolated showers and thunderstorms.
.TUESDAY...East winds increasing to near 10 knots. Bay waters
becoming a light chop. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds near 10 knots. Bay waters a light
chop. Scattered showers and isolated thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots. Bay waters smooth to a
light chop. Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to near 10 knots. Bay waters smooth to a light chop,
becoming a light chop. Scattered showers and isolated
thunderstorms.
.THURSDAY AND THURSDAY NIGHT...East to southeast winds near 10
knots. Bay waters a light chop. Scattered showers and isolated
thunderstorms.

$$

GMZ032-035-062030-
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-
426 AM EDT Sun Jul 6 2025

.TODAY...South to southwest winds near 10 knots, becoming
southeast to south and decreasing to 5 to 10 knots. Seas around 1
foot. Nearshore waters a light chop, becoming smooth to a light
chop. Scattered showers and isolated thunderstorms.
.TONIGHT...Southeast to south winds 5 to 10 knots, becoming east
to southeast. Seas 1 foot or less. Nearshore waters smooth to a
light chop. Isolated showers and thunderstorms.
.MONDAY...East to southeast winds 5 to 10 knots, becoming east and
increasing to near 10 knots. Seas 1 foot or less. Nearshore
waters smooth to a light chop. Isolated showers and thunderstorms.
.MONDAY NIGHT...East winds near 10 knots. Seas 1 foot or less.
Nearshore waters a light chop. Isolated showers and
thunderstorms.
.TUESDAY...Northeast to east winds near 10 knots. Seas 1 foot or
less. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.TUESDAY NIGHT...East winds near 10 knots. Seas 1 foot or less.
Nearshore waters a light chop. Scattered showers and isolated
thunderstorms.
.WEDNESDAY...East winds near 10 knots, decreasing to 5 to 10 knots.
Seas 1 foot or less. Nearshore waters a light chop, becoming
smooth to a light chop. Scattered showers and isolated
thunderstorms.
.WEDNESDAY 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.
.THURSDAY...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.
.THURSDAY NIGHT...East to southeast winds increasing to near 10
knots. Seas 1 foot or less. Nearshore waters becoming a light
chop. Scattered showers and isolated thunderstorms.

$$

GMZ042>044-062030-
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-
426 AM EDT Sun Jul 6 2025

.TODAY...South to southwest winds near 10 knots, becoming
southeast to south and decreasing to 5 to 10 knots. Seas around 1
foot. Nearshore waters a light chop, becoming smooth to a light
chop. Scattered showers and isolated thunderstorms.
.TONIGHT...Southeast to south winds 5 to 10 knots, becoming east
to southeast. Seas around 1 foot. Nearshore waters smooth to a
light chop. Isolated showers and thunderstorms.
.MONDAY...East to southeast winds 5 to 10 knots, becoming east and
increasing to near 10 knots. Seas around 1 foot, building to 1 to
2 feet. Nearshore waters smooth to a light chop, becoming a light
chop. Isolated showers and thunderstorms.
.MONDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Isolated showers and
thunderstorms.
.TUESDAY...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.TUESDAY NIGHT...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Scattered showers and isolated
thunderstorms.
.WEDNESDAY...East winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Scattered showers and isolated
thunderstorms.
.WEDNESDAY 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.
.THURSDAY AND THURSDAY NIGHT...East to southeast winds 5 to 10
knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop.
Scattered showers and isolated thunderstorms.

$$

GMZ052>055-072>075-062030-
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-
426 AM EDT Sun Jul 6 2025

.TODAY...South to southwest winds near 10 knots, becoming
southeast to south and decreasing to 5 to 10 knots. Seas around 1
foot. Wave Detail: Southwest 1 foot at 3 seconds. Scattered
showers and isolated thunderstorms.
.TONIGHT...Southeast winds 5 to 10 knots, becoming east. Seas
around 1 foot. Wave Detail: Southeast 1 foot at 2 seconds and
northwest 1 foot at 4 seconds. Isolated showers and thunderstorms.
.MONDAY...East winds 5 to 10 knots, increasing to near 10 knots.
Seas around 1 foot, building to 1 to 2 feet. Wave Detail: East 2
feet at 3 seconds. Isolated showers and thunderstorms.
.MONDAY NIGHT...East winds near 10 knots, increasing to 10 to 15
knots. Seas 1 to 2 feet, building to 2 to 3 feet. Isolated
showers and thunderstorms.
.TUESDAY...Northeast to east winds 10 to 15 knots. Seas 2 to
3 feet. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Scattered showers and isolated thunderstorms.
.WEDNESDAY AND WEDNESDAY NIGHT...East winds near 10 knots. Seas
around 2 feet. Scattered showers and isolated thunderstorms.
.THURSDAY AND THURSDAY NIGHT...East to southeast winds 5 to 10
knots. Seas 1 to 2 feet. Scattered showers and isolated
thunderstorms.

$$

GMZ033-034-062030-
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-
426 AM EDT Sun Jul 6 2025

.TODAY...South to southwest winds near 10 knots, becoming
southeast to south and decreasing to 5 to 10 knots. Seas 1 to 2
feet, subsiding to around 1 foot. Wave Detail: Southwest 2 feet
at 4 seconds. Scattered showers and isolated thunderstorms.
.TONIGHT...Southeast to south winds 5 to 10 knots, becoming east
to southeast. Seas around 1 foot. Wave Detail: Southeast to south
1 foot at 2 seconds and west 1 foot at 4 seconds. Isolated
showers and thunderstorms.
.MONDAY...East to southeast winds 5 to 10 knots, becoming east.
Seas around 1 foot. Wave Detail: Southeast 1 foot at 2 seconds and
west 1 foot at 4 seconds. Isolated showers and thunderstorms.
.MONDAY NIGHT...East winds 5 to 10 knots. Seas around 1 foot.
Isolated showers and thunderstorms.
.TUESDAY...Northeast to east winds 5 to 10 knots. Seas around
1 foot. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...Northeast to east winds 5 to 10 knots. Seas
around 1 foot. Scattered showers and isolated thunderstorms.
.WEDNESDAY...East winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT THROUGH THURSDAY NIGHT...East to southeast winds
5 to 10 knots. Seas around 1 foot. Scattered showers and isolated
thunderstorms.

$$