Coastal Waters Forecast
Issued by NWS

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000
FZUS52 KKEY 191527
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1027 AM EST Mon Feb 19 2018

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.

GMZ005-192130-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1027 AM EST Mon Feb 19 2018

.SYNOPSIS...A ridge of high pressure will extend across the
Southeastern United States today through Thursday night. This
ridge will begin to shift southward Friday and Friday night.

The Approximate Shoreward Edge of the Gulf Stream current, as of
February 17...

31 NM South of Dry Tortugas Light, on Loggerhead Key.
10 NM South of Cosgrove Shoal Light, off the Marquesas Keys.
 3 NM South of Sand Key Light, off Key West.
 7 NM South of Looe Key, off Big Pine Key.
 9 NM South of Sombrero Key Light, off Marathon.
13 NM Southeast of Alligator Reef Light, off Islamorada.
12 NM Southeast of Molasses Reef Light, off Key Largo.
 6 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic
Office.

$$

GMZ031-192130-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1027 AM EST Mon Feb 19 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT...

.THIS AFTERNOON...East winds 15 to 20 knots. Bay waters choppy.
Isolated showers.
.TONIGHT...East to southeast winds near 20 knots. Bay waters
rough. Scattered showers.
.TUESDAY...East to southeast winds 15 to 20 knots. Bay waters
choppy. Isolated showers.
.TUESDAY NIGHT AND WEDNESDAY...East to southeast winds 15 to 20
knots. Bay waters choppy.
.WEDNESDAY NIGHT AND THURSDAY...East winds near 15 knots. Bay
waters a moderate chop. Isolated showers.
.THURSDAY NIGHT AND FRIDAY...East winds 15 to 20 knots. Bay waters
choppy. Isolated showers.
.FRIDAY NIGHT...East winds near 15 knots. Bay waters a moderate
chop. Isolated showers.

$$

GMZ032-035-192130-
Bayside and Gulf side from Craig Key to west end of Seven Mile
Bridge-
Gulf of Mexico from west end of Seven Mile Bridge to Halfmoon
Shoal out to 5 Fathoms-
1027 AM EST Mon Feb 19 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY MAY BE REQUIRED TONIGHT...

.THIS AFTERNOON...East winds 15 to 20 knots. Seas around 2 feet.
Nearshore waters choppy. Isolated showers.
.TONIGHT...East to southeast winds near 20 knots. Seas 2 to 3
feet. Nearshore waters rough. Scattered showers.
.TUESDAY...East to southeast winds near 20 knots. Seas 2 to 4
feet. Nearshore waters rough. Isolated showers.
.TUESDAY NIGHT...East to southeast winds near 20 knots. Seas 2 to
4 feet. Nearshore waters rough.
.WEDNESDAY...East to southeast winds 15 to 20 knots. Seas 2 to 3
feet. Nearshore waters choppy.
.WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...East winds 15 to 20 knots.
Seas 2 to 3 feet. Nearshore waters choppy. Isolated showers.

$$

GMZ042>044-192130-
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-
1027 AM EST Mon Feb 19 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY CONDITIONS EXPECTED TONIGHT...

.THIS AFTERNOON...East winds 15 to 20 knots. Seas 2 to 4 feet.
Nearshore waters choppy. Isolated showers.
.TONIGHT...East to southeast winds near 20 knots. Seas 3 to 5
feet. Nearshore waters rough. Scattered showers.
.TUESDAY...East to southeast winds near 20 knots. Seas 4 to 5
feet. Nearshore waters rough. Isolated showers.
.TUESDAY NIGHT...East to southeast winds near 20 knots. Seas 3 to
5 feet. Nearshore waters rough.
.WEDNESDAY...East to southeast winds 15 to 20 knots. Seas 3 to 4
feet. Nearshore waters choppy.
.WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...East winds 15 to 20 knots.
Seas 2 to 4 feet. Nearshore waters choppy. Isolated showers.

$$

GMZ052>055-072>075-192130-
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-
1027 AM EST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT...

.THIS AFTERNOON...East winds near 20 knots with gusts near 25
knots. Seas 5 to 7 feet. Isolated showers.
.TONIGHT...East to southeast winds 20 to 25 knots. Seas 6 to 8
feet. Scattered showers.
.TUESDAY...East to southeast winds 20 to 25 knots. Seas 6 to 8
feet. Isolated showers.
.TUESDAY NIGHT...East to southeast winds 20 to 25 knots. Seas 6 to
8 feet.
.WEDNESDAY...East to southeast winds near 20 knots. Seas 5 to 7
feet.
.WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...East winds near 20 knots.
Seas 5 to 7 feet. Isolated showers.

$$

GMZ033-034-192130-
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-
1027 AM EST Mon Feb 19 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...
...SMALL CRAFT ADVISORY CONDITIONS EXPECTED TONIGHT...

.THIS AFTERNOON...East winds 15 to 20 knots. Seas 3 to 5 feet.
Isolated showers.
.TONIGHT...East to southeast winds near 20 knots. Seas 4 to 6
feet. Scattered showers.
.TUESDAY...East to southeast winds near 20 knots. Seas 4 to 6
feet. Isolated showers.
.TUESDAY NIGHT...East to southeast winds near 20 knots. Seas 4 to
6 feet.
.WEDNESDAY...East to southeast winds 15 to 20 knots. Seas 4 to 5
feet.
.WEDNESDAY NIGHT THROUGH FRIDAY NIGHT...East winds 15 to 20 knots.
Seas 3 to 5 feet. Isolated showers.

$$

CLR


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