Coastal Waters Forecast
Issued by NWS Key West, FL

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FZUS52 KKEY 261434
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1034 AM EDT Mon Oct 26 2020

Florida Bay, Hawk Channel and Straits of Florida from Ocean Reef to
south of Dry Tortugas, and the extreme southeastern Gulf of
Mexico, 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.

GMZ005-262100-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1034 AM EDT Mon Oct 26 2020

.SYNOPSIS...Tropical Storm Zeta will move slowly northwestward,
crossing the northeast Yucatan Peninsula tonight. Zeta will move
north through the Central Gulf and further away from the Keys on
Tuesday and Wednesday. An Atlantic ridge axis will build westward
across the Florida Peninsula on Wednesday night and Thursday. The
ridge will weaken and dissipate as it settles south across the
Keys on Friday.

The Approximate Shoreward Edge of the Gulf Stream as of October
24...

25 NM South of Dry Tortugas Light...on Loggerhead Key.
35 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
41 NM South of Sand Key Light...off Key West.
41 NM South of Looe Key...off Big Pine Key.
39 NM South of Sombrero Key Light...off Marathon.
20 NM Southeast of Alligator Reef Light...off Islamorada.
14 NM Southeast of Molasses Reef Light...off Key Largo.
10 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.

$$

GMZ031-262100-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1034 AM EDT Mon Oct 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...

.THIS AFTERNOON...Southeast winds near 15 knots, increasing to 15
to 20 knots. Bay waters a moderate chop, becoming choppy.
Scattered showers and isolated thunderstorms.
.TONIGHT...East to southeast winds decreasing to near 15 knots.
Bay waters becoming a moderate chop. Scattered showers and
isolated thunderstorms.
.TUESDAY...East winds near 15 knots. Bay waters a moderate chop.
Isolated showers and thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Bay waters a light to
moderate chop. Isolated showers and thunderstorms.
.WEDNESDAY...East to southeast winds 10 to 15 knots. Bay waters a
light to moderate chop. Isolated showers and thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Bay
waters a light to moderate chop. Isolated showers and
thunderstorms.
.THURSDAY...East to southeast winds decreasing to near 10 knots.
Bay waters becoming a light chop. Isolated showers and
thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters
smooth to a light chop. Isolated showers and thunderstorms.
.FRIDAY...Variable winds near 5 knots. Bay waters smooth.
Isolated showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters smooth
to a light chop. Scattered showers and isolated thunderstorms.

$$

GMZ032-262100-
Bayside and Gulf side from Craig Key to west end of Seven Mile
Bridge-
1034 AM EDT Mon Oct 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...

.THIS AFTERNOON...Southeast winds 10 to 15 knots early, increasing
to 15 to 20 knots. Seas 1 to 2 feet. Nearshore waters a light to
moderate chop, becoming choppy. Scattered showers and isolated
thunderstorms.
.TONIGHT...East to southeast winds decreasing to near 15 knots.
Seas 1 to 2 feet. Nearshore waters becoming choppy. Scattered
showers and isolated thunderstorms.
.TUESDAY...East winds near 15 knots. Seas 1 to 2 feet. Nearshore
waters a moderate chop. Scattered showers and isolated
thunderstorms.
.TUESDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers and
thunderstorms.
.WEDNESDAY...East to southeast winds near 15 knots. Seas 1 to
2 feet. Nearshore waters a moderate chop. Isolated showers and
thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
1 to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers and thunderstorms.
.THURSDAY...East to southeast winds decreasing to near 10 knots.
Seas subsiding to 1 foot or less. Nearshore waters becoming a
light chop. Isolated showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Isolated showers
and thunderstorms.
.FRIDAY...Variable winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth. Isolated showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or
less. Nearshore waters smooth to a light chop. Scattered showers
and isolated thunderstorms.

$$

GMZ035-262100-
Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
1034 AM EDT Mon Oct 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...
...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT...

.THIS AFTERNOON...Southeast winds 10 to 15 knots early, increasing
to 15 to 20 knots. Seas 1 to 3 feet, except 3 to 5 feet west of
the Marquesas Keys. Nearshore waters a light to moderate chop,
becoming choppy. Isolated showers and thunderstorms.
.TONIGHT...Southeast winds near 20 knots, decreasing to 15 to 20
knots. Seas 1 to 3 feet, except 3 to 4 feet west of the Marquesas
Keys. Nearshore waters rough, becoming choppy. Scattered showers
and isolated thunderstorms.
.TUESDAY...East to southeast winds near 15 knots. Seas 1 to
3 feet. Nearshore waters a moderate chop. Scattered showers and
isolated thunderstorms.
.TUESDAY NIGHT...East to southeast winds near 15 knots. Seas 1 to
3 feet. Nearshore waters a moderate chop. Isolated showers and
thunderstorms.
.WEDNESDAY...East to southeast winds near 15 knots. Seas 1 to
3 feet. Nearshore waters a moderate chop. Isolated showers and
thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots. Seas
1 to 3 feet. Nearshore waters a moderate chop. Isolated showers
and thunderstorms.
.THURSDAY...East to southeast winds decreasing to near 10 knots.
Seas 1 to 2 feet. Nearshore waters becoming a light chop.
Isolated showers and thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 to 2 feet. Nearshore waters smooth to a light chop. Isolated
showers and thunderstorms.
.FRIDAY...Variable winds near 5 knots. Seas 1 foot or less.
Nearshore waters smooth. Isolated showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds near 10 knots. Seas 1 to 2 feet.
Nearshore waters a light chop. Scattered showers and isolated
thunderstorms.

$$

GMZ042-262100-
Hawk Channel from Ocean Reef to Craig Key out to the reef-
1034 AM EDT Mon Oct 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...

.THIS AFTERNOON...Southeast winds near 15 knots, increasing to 15
to 20 knots. Seas 2 to 5 feet. Nearshore waters a moderate chop,
becoming choppy. Scattered showers and isolated thunderstorms.
.TONIGHT...East to southeast winds decreasing to near 15 knots.
Seas subsiding to 2 to 3 feet. Nearshore waters becoming a
moderate chop. Scattered showers and isolated thunderstorms.
.TUESDAY...East winds near 15 knots. Seas 2 to 4 feet. Nearshore
waters a moderate chop. Isolated showers and thunderstorms.
.TUESDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop. Isolated showers and
thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop. Isolated showers and
thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots. Seas
2 to 3 feet. Nearshore waters a moderate chop. Isolated showers
and thunderstorms.
.THURSDAY...East to southeast winds decreasing to near 10 knots.
Seas subsiding to 1 to 2 feet. Nearshore waters becoming a light
chop. Isolated showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Isolated showers
and thunderstorms.
.FRIDAY...Variable winds near 5 knots. Seas around 1 foot.
Nearshore waters smooth. Isolated showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
1 foot. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms.

$$

GMZ043-044-262100-
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-
1034 AM EDT Mon Oct 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...
...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT...

.THIS AFTERNOON...Southeast winds near 15 knots, increasing to 15
to 20 knots. Seas 3 to 5 feet. Nearshore waters a moderate chop,
becoming choppy. Isolated showers and thunderstorms.
.TONIGHT...East to southeast winds near 20 knots, decreasing to
15 to 20 knots. Seas subsiding to 2 to 3 feet. Nearshore waters
rough, becoming choppy. Scattered showers and isolated
thunderstorms.
.TUESDAY...East winds near 15 knots. Seas 2 to 4 feet. Nearshore
waters a moderate chop. Isolated showers and thunderstorms.
.TUESDAY NIGHT...East winds near 15 knots. Seas 2 to 3 feet.
Nearshore waters a moderate chop. Isolated showers and
thunderstorms.
.WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet.
Nearshore waters a light to moderate chop. Isolated showers and
thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots. Seas
2 to 3 feet. Nearshore waters a moderate chop. Isolated showers
and thunderstorms.
.THURSDAY...East to southeast winds decreasing to near 10 knots.
Seas subsiding to 1 to 2 feet. Nearshore waters becoming a light
chop. Isolated showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to
2 feet. Nearshore waters smooth to a light chop. Isolated showers
and thunderstorms.
.FRIDAY...Variable winds near 5 knots. Seas around 1 foot.
Nearshore waters smooth. Isolated showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas around
1 foot. Nearshore waters smooth to a light chop. Scattered
showers and isolated thunderstorms.

$$

GMZ052-072-262100-
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-
1034 AM EDT Mon Oct 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.THIS AFTERNOON...Southeast winds 15 to 20 knots. Seas 4 to 6
feet. Scattered showers and isolated thunderstorms.
.TONIGHT...East to southeast winds decreasing to near 15 knots.
Seas subsiding to 3 to 5 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY...East winds decreasing to near 15 knots. Seas subsiding
to 3 to 5 feet. Isolated showers and thunderstorms.
.TUESDAY NIGHT...East winds near 15 knots. Seas 3 to 4 feet.
Isolated showers and thunderstorms.
.WEDNESDAY...East winds near 15 knots. Seas 3 to 4 feet. Isolated
showers and thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots. Seas
3 to 4 feet. Isolated showers and thunderstorms.
.THURSDAY...East to southeast winds decreasing to near 10 knots.
Seas subsiding to 2 to 3 feet. Isolated showers and
thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 to 3 feet. Isolated showers and thunderstorms.
.FRIDAY...Variable winds near 5 knots. Seas 1 to 2 feet. Isolated
showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms.

$$

GMZ053>055-073>075-262100-
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-
1034 AM EDT Mon Oct 26 2020

...SMALL CRAFT ADVISORY IN EFFECT...

.THIS AFTERNOON...Southeast winds 15 to 20 knots, increasing to
near 20 knots. Seas 5 to 7 feet. Isolated showers and
thunderstorms.
.TONIGHT...East to southeast winds near 20 knots, decreasing to
15 to 20 knots. Seas subsiding to 3 to 5 feet. Scattered showers
and isolated thunderstorms.
.TUESDAY...East winds decreasing to near 15 knots. Seas subsiding
to 3 to 5 feet. Isolated showers and thunderstorms.
.TUESDAY NIGHT...East winds near 15 knots. Seas 3 to 4 feet.
Isolated showers and thunderstorms.
.WEDNESDAY...East winds near 15 knots. Seas 3 to 4 feet. Isolated
showers and thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots. Seas
3 to 4 feet. Isolated showers and thunderstorms.
.THURSDAY...East to southeast winds decreasing to near 10 knots.
Seas subsiding to 2 to 3 feet. Isolated showers and
thunderstorms.
.THURSDAY NIGHT...East to southeast winds 5 to 10 knots. Seas
1 to 3 feet. Isolated showers and thunderstorms.
.FRIDAY...Variable winds near 5 knots. Seas 1 to 2 feet. Isolated
showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 2 feet.
Scattered showers and isolated thunderstorms.

$$

GMZ033-034-262100-
Gulf waters from East Cape Sable to Chokoloskee 20 to 60 NM out
and beyond 5 fathoms-
Gulf of Mexico including Dry Tortugas and Rebecca Shoal Channel-
1034 AM EDT Mon Oct 26 2020

...SMALL CRAFT SHOULD EXERCISE CAUTION FOR INCREASING WINDS...
...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT...

.THIS AFTERNOON...Southeast winds 10 to 15 knots, increasing to
15 to 20 knots. Seas 3 to 5 feet. Isolated showers and
thunderstorms.
.TONIGHT...Southeast winds near 20 knots, decreasing to 15 to 20
knots. Seas 3 to 5 feet. Scattered showers and isolated
thunderstorms.
.TUESDAY...East to southeast winds 15 to 20 knots. Seas 3 to 5
feet. Scattered showers and isolated thunderstorms.
.TUESDAY NIGHT...East to southeast winds 15 to 20 knots. Seas
3 to 5 feet. Isolated showers and thunderstorms.
.WEDNESDAY...East to southeast winds decreasing to near 15 knots.
Seas subsiding to 2 to 4 feet. Isolated showers and
thunderstorms.
.WEDNESDAY NIGHT...East to southeast winds near 15 knots. Seas
2 to 4 feet. Isolated showers and thunderstorms.
.THURSDAY...Southeast winds decreasing to near 10 knots. Seas
subsiding to 1 to 2 feet. Isolated showers and thunderstorms.
.THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 to
2 feet. Isolated showers and thunderstorms.
.FRIDAY...Variable winds near 5 knots. Seas 1 to 2 feet. Isolated
showers and thunderstorms.
.FRIDAY NIGHT...Northeast winds near 10 knots. Seas 2 to 3 feet.
Scattered showers and isolated thunderstorms.

$$



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