104
FZUS52 KKEY 141443
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1043 AM EDT Tue Jul 14 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.

The Wave Detail section highlights the period and direction of
origin for the highest-energy waves, as well as any long-period
swells moving in a different direction than the wind.

GMZ005-150245-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1043 AM EDT Tue Jul 14 2026

.SYNOPSIS...
Ridging draped across the region will continue to support gentle
to moderate east to southeast breezes through the rest of the week.
Breezes will tend to peak in the evening and overnight hours
before decreasing slightly in the morning and afternoon hours. In
addition, a large area of Saharan dust will remain in place across
the area for several days which will act to limit rain and
thunder chances.

The Approximate Shoreward Edge of the Gulf Stream as of
July 12...

63 NM South of Dry Tortugas Light...on Loggerhead Key.
38 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
21 NM South of Sand Key Light...off Key West.
13 NM South of Looe Key...off Big Pine Key.
12 NM South of Sombrero Key Light...off Marathon.
 7 NM Southeast of Alligator Reef Light...off Islamorada.
 3 NM Southeast of Molasses Reef Light...off Key Largo.
 2 NM Southeast 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.

$$

GMZ031-150245-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1043 AM EDT Tue Jul 14 2026

.THIS AFTERNOON...Southeast winds near 10 knots, becoming east to
southeast and decreasing 5 to 10 knots. Bay waters a light chop,
becoming smooth to a light chop.
.TONIGHT...Northeast to east winds increasing to near 15 knots.
Bay waters becoming a moderate chop.
.WEDNESDAY...East winds 10 to 15 knots, decreasing to near 10
knots. Bay waters a light to moderate chop, becoming a light
chop. A slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters smooth to
a light chop. A slight chance of showers and thunderstorms.
.THURSDAY...East winds 5 to 10 knots. Bay waters smooth to a
light chop. A slight chance of showers and thunderstorms.
.THURSDAY NIGHT...East to southeast winds near 5 knots. Bay
waters smooth. A slight chance of showers and thunderstorms.
.FRIDAY...East to southeast winds near 5 knots. Bay waters
smooth. A slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Southeast winds near 5 knots. Bay waters smooth.
.SATURDAY...Southeast winds 5 to 10 knots. Bay waters smooth to a
light chop. A slight chance of showers and thunderstorms.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth to a light chop.

$$

GMZ032-035-150245-
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-
1043 AM EDT Tue Jul 14 2026

.THIS AFTERNOON...East to southeast winds 10 to 15 knots. Seas 1
to 2 feet, except 2 to 3 feet west of the Marquesas Keys.
Nearshore waters a light to moderate chop.
.TONIGHT...Northeast to east winds near 15 knots. Seas 1 to 2
feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore
waters a moderate chop.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. A slight chance of
showers and thunderstorms.
.WEDNESDAY NIGHT...East 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 winds near 10 knots, decreasing to 5 to 10
knots. Seas around 1 foot, except 1 to 2 feet west of the
Marquesas Keys. Nearshore waters a light chop, becoming smooth to
a light chop. A slight chance of showers and thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. A slight chance of
showers and thunderstorms.
.FRIDAY...East winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. A slight chance of
showers and thunderstorms.
.FRIDAY NIGHT...East to southeast winds near 5 knots. Seas 1 foot
or less. Nearshore waters smooth.
.SATURDAY...Southeast winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth. A slight chance of showers.
.SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. A slight chance of
showers.

$$

GMZ042>044-150245-
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-
1043 AM EDT Tue Jul 14 2026

.THIS AFTERNOON...East to southeast winds near 15 knots, becoming
east and decreasing to 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop, becoming a light to moderate
chop.
.TONIGHT...Northeast to east winds near 15 knots. Seas 2 to 3
feet. Nearshore waters a moderate chop.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop. A slight chance of
showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop. A slight chance of
showers and thunderstorms.
.THURSDAY...East winds near 10 knots. Seas around 2 feet.
Nearshore waters a light chop. A slight chance of showers and
thunderstorms.
.THURSDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet.
Nearshore waters smooth to a light chop. A slight chance of
showers and thunderstorms.
.FRIDAY...East winds 5 to 10 knots. Seas around 1 foot. Nearshore
waters smooth to a light chop. A slight chance of showers and
thunderstorms.
.FRIDAY NIGHT...East winds near 5 knots. Seas around 1 foot.
Nearshore waters smooth.
.SATURDAY...East to southeast winds near 5 knots. Seas around
1 foot. Nearshore waters smooth.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
around 1 foot. Nearshore waters smooth to a light chop.

$$

GMZ052>055-072>075-150245-
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-
1043 AM EDT Tue Jul 14 2026

.THIS AFTERNOON...East to southeast winds near 15 knots, becoming
east. Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: East
4 feet at 5 seconds.
.TONIGHT...Northeast to east winds near 15 knots. Seas 3 to 4
feet, occasionally to 5 feet. Wave Detail: Northeast to east
4 feet at 5 seconds.
.WEDNESDAY...East winds near 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Wave Detail: East 4 feet at 5 seconds. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. A slight chance of showers and
thunderstorms.
.THURSDAY...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. A slight chance of showers and
thunderstorms.
.THURSDAY NIGHT...East winds near 10 knots. Seas around 2 feet. A
slight chance of showers and thunderstorms.
.FRIDAY...East winds 5 to 10 knots. Seas 1 to 2 feet.
.FRIDAY NIGHT...East winds 5 to 10 knots. Seas 1 to 2 feet. A
slight chance of showers.
.SATURDAY...East winds 5 to 10 knots. Seas 1 to 2 feet.
.SATURDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 to 2 feet.

$$

GMZ033-034-150245-
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-
1043 AM EDT Tue Jul 14 2026

.THIS AFTERNOON...East to southeast winds 10 to 15 knots. Seas 2
to 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds.
.TONIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet. Wave
Detail: East 2 feet at 4 seconds. A slight chance of showers and
thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 1 to 3 feet. Wave
Detail: East 2 feet at 4 seconds.
.WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 3 feet. A
slight chance of showers and thunderstorms.
.THURSDAY...Northeast to east winds 10 to 15 knots, decreasing to
5 to 10 knots. Seas 1 to 3 feet, subsiding to 1 to 2 feet. A
slight chance of showers and thunderstorms.
.THURSDAY NIGHT...Northeast to east winds near 5 knots,
increasing to 5 to 10 knots after midnight. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms.
.FRIDAY...Northeast winds 5 to 10 knots. Seas around 1 foot. A
slight chance of showers and thunderstorms.
.FRIDAY NIGHT...Northeast 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.
.SATURDAY NIGHT...Southeast winds near 5 knots. Seas around
1 foot. A slight chance of showers and thunderstorms.

$$