568
FZUS52 KKEY 081429
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1029 AM EDT Tue Jul 8 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.

GMZ005-090230-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1029 AM EDT Tue Jul 8 2025

.SYNOPSIS...A building Atlantic High will sustain gentle to
moderate breezes for the next few days. Chances for showers and
thunderstorms will be close to normal through Wednesday, but an
easterly wave and veering winds may generate elevated shower
coverage from Wednesday evening through the end of the 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.

$$

GMZ031-090230-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1029 AM EDT Tue Jul 8 2025

.THIS AFTERNOON...Northeast to east winds near 10 knots. Bay
waters a light chop. Isolated showers and thunderstorms.
.TONIGHT...Northeast to east winds near 10 knots. Bay waters a
light chop. Isolated showers and thunderstorms.
.WEDNESDAY...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.
.WEDNESDAY NIGHT...East to southeast winds 5 to 10 knots. Bay
waters smooth to a light chop. Scattered showers and isolated
thunderstorms.
.THURSDAY...East to southeast winds 5 to 10 knots. Bay waters
smooth to a light chop. Scattered showers and thunderstorms.
.THURSDAY NIGHT...East to southeast winds increasing to near 10
knots. Bay waters becoming a light chop. Scattered showers and
thunderstorms.
.FRIDAY...East to southeast winds near 10 knots, increasing to 10
to 15 knots. Bay waters a light chop, becoming a light to
moderate chop. Scattered showers and isolated thunderstorms.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots, decreasing
to near 10 knots. Bay waters a light to moderate chop, becoming 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 to southeast winds 5 to 10 knots. Bay
waters smooth to a light chop. Scattered showers and isolated
thunderstorms.

$$

GMZ032-035-090230-
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-
1029 AM EDT Tue Jul 8 2025

.THIS AFTERNOON...Northeast to east winds near 10 knots. Seas 1
foot or less. Nearshore waters a light chop. Scattered showers and
isolated thunderstorms.
.TONIGHT...Northeast to east winds near 10 knots. Seas 1 foot or
less. Nearshore waters a light chop. Isolated showers and
thunderstorms.
.WEDNESDAY...Northeast to 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, increasing to
near 10 knots. Seas 1 foot or less. Nearshore waters smooth to a
light chop, becoming a light chop. Scattered showers and
thunderstorms.
.THURSDAY NIGHT...East to southeast winds near 10 knots,
increasing to 10 to 15 knots. Seas 1 foot or less, building to
around 1 foot. Nearshore waters a light chop, becoming a light to
moderate chop. Scattered showers and thunderstorms.
.FRIDAY...East to southeast winds 10 to 15 knots. Seas around
1 foot. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
around 1 foot. Nearshore waters a light to moderate chop.
Scattered showers and isolated thunderstorms.
.SATURDAY...East to southeast winds decreasing to near 10 knots.
Seas subsiding to 1 foot or less. Nearshore waters becoming a
light chop. Scattered showers and isolated thunderstorms.
.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.

$$

GMZ042>044-090230-
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-
1029 AM EDT Tue Jul 8 2025

.THIS AFTERNOON...Northeast to east winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers and thunderstorms.
.TONIGHT...Northeast to east 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. Isolated showers and
thunderstorms.
.WEDNESDAY...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.
.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...East to southeast winds 5 to 10 knots, increasing to
near 10 knots. Seas around 1 foot. Nearshore waters smooth to a
light chop, becoming a light chop. Scattered showers and
thunderstorms.
.THURSDAY NIGHT...East to southeast winds increasing to 10 to 15
knots. Seas building to 1 to 2 feet. Nearshore waters becoming a
light to moderate chop. Scattered showers and thunderstorms.
.FRIDAY...East to southeast winds 10 to 15 knots. Seas around
2 feet. Nearshore waters a light to moderate chop. Scattered
showers and isolated thunderstorms.
.FRIDAY NIGHT...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.
.SATURDAY...East to southeast winds decreasing to near 10 knots.
Seas 1 to 2 feet. Nearshore waters becoming a light chop.
Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 to 2 feet, subsiding to around 1 foot. Nearshore waters smooth
to a light chop. Scattered showers and isolated thunderstorms.

$$

GMZ052>055-072>075-090230-
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-
1029 AM EDT Tue Jul 8 2025

.THIS AFTERNOON...Northeast to east winds 10 to 15 knots. Seas 2
to 3 feet. Wave Detail: Northeast to east 3 feet at 5 seconds.
Isolated showers and thunderstorms.
.TONIGHT...Northeast to east winds 10 to 15 knots, decreasing to
near 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast to east 3
feet at 5 seconds. Scattered showers and isolated thunderstorms.
.WEDNESDAY...Northeast to east winds near 10 knots. Seas subsiding
to around 2 feet. Wave Detail: Northeast to east 3 feet at 5
seconds. Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East winds near 10 knots. Seas around 2 feet.
Scattered showers and isolated thunderstorms.
.THURSDAY...East to southeast winds near 10 knots, increasing to
10 to 15 knots. Seas around 2 feet. Scattered showers and
thunderstorms.
.THURSDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
around 2 feet, building to 2 to 3 feet. Scattered showers and
thunderstorms.
.FRIDAY AND FRIDAY NIGHT...East to southeast winds 10 to 15
knots. Seas 2 to 3 feet. Scattered showers and isolated
thunderstorms.
.SATURDAY...East to southeast winds near 10 knots, decreasing to 5
to 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet.
Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 to 2 feet. Isolated showers and thunderstorms.

$$

GMZ033-034-090230-
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-
1029 AM EDT Tue Jul 8 2025

.THIS AFTERNOON...Northeast to east winds near 10 knots. Seas
around 1 foot. Wave Detail: East 1 foot at 3 seconds. Isolated
showers and thunderstorms.
.TONIGHT...Northeast to east winds near 10 knots, decreasing to 5
to 10 knots. Seas around 1 foot. Wave Detail: Northeast to east 1
foot at 3 seconds. Scattered showers and isolated thunderstorms.
.WEDNESDAY...Northeast to east winds 5 to 10 knots. Seas around
1 foot. Wave Detail: Northeast to east 1 foot at 3 seconds.
Scattered showers and isolated thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and isolated thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Seas around 1 foot.
Scattered showers and thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots,
increasing to near 10 knots. Seas around 1 foot. Scattered
showers and thunderstorms.
.FRIDAY...East to southeast winds near 10 knots. Seas 1 to
2 feet. Numerous showers and isolated thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 10 knots, increasing
to 10 to 15 knots. Seas 1 to 2 feet. Scattered showers and
isolated thunderstorms.
.SATURDAY...East to southeast winds decreasing to near 10 knots.
Seas 1 to 2 feet. Scattered showers and isolated thunderstorms.
.SATURDAY NIGHT...East to southeast winds near 10 knots,
decreasing to 5 to 10 knots. Seas 1 to 2 feet, subsiding to around
1 foot. Scattered showers and isolated thunderstorms.

$$