708
FZUS52 KKEY 012126
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
426 PM EST Sun Nov 1 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.

GMZ005-020930-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
426 PM EST Sun Nov 1 2026

.SYNOPSIS...
Small Craft Should Exercise Caution across eastern portions of Hawk
Channel and the Florida Straits. Elevated northerly swell will
persist through Tuesday for the waters southeast of the Upper Keys.
Broad wind convergence across the marine zones will keep shower and
thunderstorm chances high through Tuesday. Expect slackening breezes
and drier air during the middle of the week for all marine zones.

The Approximate Shoreward Edge of the Gulf Stream as of October
27, 2026...

19 NM south of Dry Tortugas Light, on Loggerhead Key
34 NM south of Cosgrove Shoal Light, off the Marquesas Keys
28 NM south of Sand Key Light, off Key West
38 NM south of Looe Key, off Big Pine Key
31 NM southeast of Sombrero Key Light, off Marathon
17 NM south-southeast of Alligator Reef Light, off Islamorada
10 NM southeast of Molasses Reef Light, off Key Largo
10 NM northwest 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.

$$

GMZ031-020930-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
426 PM EST Sun Nov 1 2026

.TONIGHT...Northeast winds 10 to 15 knots. Bay waters a light to
moderate chop. Showers with a chance of thunderstorms.
.MONDAY...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Showers likely with a chance of thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Bay waters a light to
moderate chop. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY...East winds near 10 knots. Bay waters a light chop. A
chance of showers with a slight chance of thunderstorms.
.TUESDAY NIGHT...Northeast to east winds 5 to 10 knots. Bay
waters smooth to a light chop. A slight chance of showers and
thunderstorms.
.WEDNESDAY...Northeast to east winds near 5 knots. Bay waters
smooth. A slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...North to northeast winds near 5 knots. Bay
waters smooth.
.THURSDAY THROUGH FRIDAY NIGHT...Northwest to north winds 5 to 10
knots. Bay waters smooth to a light chop. A slight chance of
showers.

$$

GMZ032-035-020930-
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 PM EST Sun Nov 1 2026

.TONIGHT...Northeast to east winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Showers with a chance of
thunderstorms.
.MONDAY...Northeast to east winds near 10 knots. Seas 1 to 2
feet. Nearshore waters a light chop. Showers likely with a chance
of thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2
feet. Nearshore waters a light to moderate chop. A chance of
showers with a slight chance of thunderstorms.
.TUESDAY...East winds near 10 knots. Seas around 1 foot.
Nearshore waters a light chop. A chance of showers with a slight
chance of thunderstorms.
.TUESDAY NIGHT...East winds near 10 knots, decreasing to 5 to 10
knots. Seas around 1 foot. Nearshore waters a light chop,
becoming smooth to a light chop. A slight chance of showers and
thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less.
Nearshore waters smooth to a light chop. A slight chance of
showers and thunderstorms.
.WEDNESDAY NIGHT...North to northeast winds near 5 knots. Seas
1 foot or less. Nearshore waters smooth.
.THURSDAY THROUGH FRIDAY...Northwest to north winds 5 to 10
knots. Seas 1 foot or less. Nearshore waters smooth to a light
chop.
.FRIDAY NIGHT...Northwest to north winds near 5 knots. Seas 1
foot or less. Nearshore waters smooth.

$$

GMZ043-044-020930-
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 PM EST Sun Nov 1 2026

.TONIGHT...Northeast to east winds 10 to 15 knots. Seas 1 to 2
feet. Nearshore waters a light to moderate chop. Showers with a
chance of thunderstorms.
.MONDAY...Northeast to east winds near 10 knots. Seas 1 to
2 feet. Nearshore waters a light chop. Showers likely with a
chance of thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. A chance of showers
with a slight chance of thunderstorms.
.TUESDAY...East winds near 10 knots. Seas 1 to 2 feet. Nearshore
waters a light chop. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY NIGHT...East winds near 10 knots, decreasing to 5 to 10
knots. Seas subsiding to around 1 foot. Nearshore waters a light
chop, becoming smooth to a light chop. A chance of showers with a
slight chance of thunderstorms.
.WEDNESDAY...North to northeast winds near 5 knots. Seas around 1
foot. Nearshore waters smooth. A slight chance of showers and
thunderstorms.
.WEDNESDAY NIGHT...North to northeast winds near 5 knots. Seas
1 foot or less. Nearshore waters smooth.
.THURSDAY THROUGH FRIDAY...Northwest to north winds 5 to 10
knots. Seas 1 foot or less. Nearshore waters smooth to a light
chop.
.FRIDAY NIGHT...Northwest to north winds near 5 knots. Seas 1
foot or less. Nearshore waters smooth.

$$

GMZ042-020930-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
426 PM EST Sun Nov 1 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet,
occasionally to 5 feet. Nearshore waters choppy. Showers with a
chance of thunderstorms.
.MONDAY...East winds near 15 knots, decreasing to 10 to 15 knots.
Seas subsiding to 2 to 3 feet. Nearshore waters a moderate chop,
becoming a light to moderate chop. Showers likely with a chance
of thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop. A chance of showers
with a slight chance of thunderstorms.
.TUESDAY...East winds near 10 knots. Seas 2 to 3 feet, subsiding
to around 2 feet. Nearshore waters a light chop. A chance of
showers with a slight chance of thunderstorms.
.TUESDAY NIGHT...Northeast to east winds near 10 knots, decreasing
to 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters a light chop,
becoming smooth to a light chop. A chance of showers with a
slight chance of thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 1 foot.
Nearshore waters smooth to a light chop. A slight chance of
showers and thunderstorms.
.WEDNESDAY NIGHT...North to northeast winds near 5 knots. Seas
1 foot or less. Nearshore waters smooth.
.THURSDAY THROUGH FRIDAY...Northwest to north winds near 5 knots.
Seas 1 foot or less. Nearshore waters smooth. A slight chance of
showers.
.FRIDAY NIGHT...Northwest winds 5 to 10 knots. Seas around
1 foot. Nearshore waters smooth to a light chop.

$$

GMZ052-072-020930-
Straits of Florida from Ocean Reef to Craig Key out 20 NM-
Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
426 PM EST Sun Nov 1 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.TONIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally
to 6 feet. Wave Detail: Northeast 5 feet at 7 seconds. Showers
with a chance of thunderstorms.
.MONDAY...East winds near 15 knots, decreasing to 10 to 15 knots.
Seas 3 to 4 feet, occasionally to 5 feet. Wave Detail: Northeast
4 feet at 6 seconds. Showers likely with a chance of
thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet,
occasionally to 5 feet, due to north to northeast swell. Wave
Detail: Northeast 4 feet at 6 seconds. A chance of showers with a
slight chance of thunderstorms.
.TUESDAY...East winds near 10 knots. Seas 2 to 4 feet,
occasionally to 5 feet, due to north to northeast swell. A chance
of showers with a slight chance of thunderstorms.
.TUESDAY NIGHT...East winds near 10 knots, decreasing to 5 to 10
knots. Seas 2 to 3 feet, subsiding to around 2 feet. A chance of
showers with a slight chance of thunderstorms.
.WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. A
slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...North to northeast winds 5 to 10 knots. Seas
1 to 2 feet. A slight chance of showers.
.THURSDAY THROUGH FRIDAY NIGHT...Northwest to north winds 5 to 10
knots. Seas 1 to 2 feet. A slight chance of showers.

$$

GMZ053>055-073>075-020930-
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 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 PM EST Sun Nov 1 2026

.TONIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet,
occasionally to 5 feet. Wave Detail: Northeast to east 3 feet at
5 seconds. Showers likely with a chance of thunderstorms.
.MONDAY...Northeast to east winds near 10 knots. Seas subsiding
to 2 to 3 feet. Wave Detail: Northeast to east 3 feet at 5
seconds. Showers likely with a chance of thunderstorms.
.MONDAY NIGHT...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 6 seconds. A chance of showers with a
slight chance of thunderstorms.
.TUESDAY AND TUESDAY NIGHT...East winds 5 to 10 knots. Seas 2 to
3 feet. A chance of showers with a slight chance of thunderstorms.
.WEDNESDAY...Northeast winds near 5 knots. Seas subsiding to 1 to
2 feet. A slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...North to northeast winds near 5 knots. Seas
1 to 2 feet.
.THURSDAY...Northwest to north winds 5 to 10 knots. Seas 1 to 2
feet. A slight chance of showers.
.THURSDAY NIGHT THROUGH FRIDAY NIGHT...Northwest to north winds 5
to 10 knots. Seas 1 to 2 feet.

$$

GMZ033-034-020930-
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 PM EST Sun Nov 1 2026

.TONIGHT...Northeast to east winds 10 to 15 knots. Seas around 2 feet.
Wave Detail: Northeast to east 2 feet at 4 seconds. Showers with
a chance of thunderstorms.
.MONDAY...Northeast to east winds 10 to 15 knots. Seas 2 to
3 feet. Wave Detail: Northeast to east 2 feet at 4 seconds.
Showers likely with a chance of thunderstorms.
.MONDAY NIGHT...East winds 10 to 15 knots, decreasing to near 10
knots. Seas 2 to 3 feet, subsiding to around 2 feet. Wave Detail:
Northeast to east 2 feet at 4 seconds. A chance of showers with a
slight chance of thunderstorms.
.TUESDAY...East winds near 10 knots. Seas 1 to 2 feet, subsiding
to around 1 foot. A chance of showers with a slight chance of
thunderstorms.
.TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 1 foot. A
slight chance of showers and thunderstorms.
.WEDNESDAY...Northeast to east winds 5 to 10 knots. Seas subsiding
to 1 foot or less. A slight chance of showers and thunderstorms.
.WEDNESDAY NIGHT...North winds near 5 knots. Seas 1 foot or less.
.THURSDAY THROUGH FRIDAY...Northwest to north winds 5 to 10
knots. Seas 1 to 2 feet.
.FRIDAY NIGHT...Northwest to north winds 5 to 10 knots. Seas
building to around 2 feet.


$$

AJP/CR