Coastal Waters Forecast
Issued by NWS

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
000
FZUS52 KKEY 210326
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
1026 PM EST Tue Feb 20 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.

GMZ005-210930-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
1026 PM EST Tue Feb 20 2018

.SYNOPSIS...An Atlantic high pressure ridge will extend across
the Southeastern United States tonight through Friday. This ridge
of high pressure will shift southward Friday night through
Saturday night.

The Approximate Shoreward Edge of the Gulf Stream current, as of
February 17th, 2018...

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.

$$

GMZ031-210930-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
1026 PM EST Tue Feb 20 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.OVERNIGHT...East to southeast winds 15 to 20 knots. Bay waters
choppy.
.WEDNESDAY...East winds 15 to 20 knots. Bay waters choppy.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Bay waters choppy.
Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Bay waters choppy.
Scattered showers.
.THURSDAY NIGHT...East winds near 15 knots. Bay waters a moderate
chop. Scattered showers.
.FRIDAY...East to southeast winds near 15 knots. Bay waters a
moderate chop. Isolated showers.
.FRIDAY NIGHT...East to southeast winds 10 to 15 knots. Bay
waters a light to moderate chop. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds 10 to 15
knots. Bay waters a light to moderate chop. Isolated showers.
.SUNDAY AND SUNDAY NIGHT...Southeast winds near 10 knots. Bay
waters a light chop. Isolated showers.

$$

GMZ032-035-210930-
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-
1026 PM EST Tue Feb 20 2018

...SMALL CRAFT SHOULD EXERCISE CAUTION...

.OVERNIGHT...East to southeast winds 15 to 20 knots. Seas 2 to 3
feet. Nearshore waters choppy.
.WEDNESDAY...East winds 15 to 20 knots. Seas 2 to 3 feet.
Nearshore waters choppy.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet.
Nearshore waters choppy. Isolated showers.
.THURSDAY...East winds 15 to 20 knots. Seas 2 to 3 feet.
Nearshore waters choppy. Scattered showers.
.THURSDAY NIGHT...East winds near 15 knots. Seas 1 to 3 feet.
Nearshore waters a moderate chop. Scattered showers.
.FRIDAY...East winds near 15 knots. Seas 1 to 3 feet. Nearshore
waters a moderate chop. Isolated showers.
.FRIDAY NIGHT...East winds 10 to 15 knots. Seas 1 to 2 feet.
Nearshore waters a light to moderate chop. Isolated showers.
.SATURDAY...East to southeast winds near 15 knots. Seas 1 to 3
feet. Nearshore waters a moderate chop. Isolated showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1 to
2 feet. Nearshore waters a light to moderate chop. Isolated
showers.
.SUNDAY AND SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1
to 2 feet. Nearshore waters a light to moderate chop. Isolated
showers.

$$

GMZ042>044-210930-
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-
1026 PM EST Tue Feb 20 2018

...SMALL CRAFT ADVISORY IN EFFECT...

.OVERNIGHT...East to southeast winds near 20 knots. Seas 3 to 5
feet. Nearshore waters choppy.
.WEDNESDAY...East winds near 20 knots. Seas 3 to 5 feet.
Nearshore waters rough.
.WEDNESDAY NIGHT...East winds near 20 knots. Seas 3 to 5 feet.
Nearshore waters rough. Isolated showers.
.THURSDAY...East winds near 20 knots. Seas 3 to 5 feet. Nearshore
waters rough. Scattered showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet.
Nearshore waters choppy. Scattered showers.
.FRIDAY...East winds near 15 knots. Seas 2 to 4 feet. Nearshore
waters a moderate chop. Isolated showers.
.FRIDAY NIGHT...East to southeast winds near 15 knots. Seas 2 to
4 feet. Nearshore waters a moderate chop. Isolated showers.
.SATURDAY AND SATURDAY NIGHT..East to southeast winds near 15
knots. Seas 2 to 4 feet. Nearshore waters a moderate chop.
Isolated showers.
.SUNDAY AND SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1
to 3 feet. Nearshore waters a light to moderate chop. Isolated
showers.

$$

GMZ052>055-072>075-210930-
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-
1026 PM EST Tue Feb 20 2018

...SMALL CRAFT ADVISORY IN EFFECT...

.OVERNIGHT...East to southeast winds near 20 knots. Seas 6 to 8
feet.
.WEDNESDAY...East winds near 20 knots. Seas 5 to 8 feet.
.WEDNESDAY NIGHT...East winds 20 to 25 knots. Seas 5 to 8 feet.
Isolated showers.
.THURSDAY...East winds near 20 knots. Seas 5 to 8 feet. Scattered
showers.
.THURSDAY NIGHT...East to southeast winds near 20 knots. Seas 5
to 8 feet. Scattered showers.
.FRIDAY...East to southeast winds near 20 knots. Seas 4 to 7
feet. Isolated showers.
.FRIDAY NIGHT...East to Southeast to 25t winds 15 to 20 knots.
Seas 4 to 6 feet. Isolated showers.
.SATURDAY AND SATURDAY NIGHT...East to southeast winds 15 to 20
knots. Seas 4 to 6 feet. Isolated showers.
.SUNDAY AND SUNDAY NIGHT...East to southeast winds 10 to 15
knots. Seas 2 to 4 feet. Isolated showers.

$$

GMZ033-034-210930-
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-
1026 PM EST Tue Feb 20 2018

.OVERNIGHT...East to southeast winds 15 knots. Seas 3 to 5 feet.
.WEDNESDAY...East to southeast winds near 15 knots. Seas 3 to
5 feet.
.WEDNESDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet.
Isolated showers.
.THURSDAY...East to southeast winds 15 to 20 knots. Seas 3 to
5 feet. Scattered showers.
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet.
Scattered showers.
.FRIDAY...East to southeast winds near 15 knots. Seas 2 to
4 feet. Isolated showers.
.FRIDAY NIGHT...East to southeast winds near 15 knots. Seas 2 to
4 feet. Isolated showers.
.SATURDAY...East to southeast winds near 15 knots. Seas 2 to
4 feet. Isolated showers.
.SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to
3 feet. Isolated showers.
.SUNDAY AND SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 1
to 3 feet. Isolated showers.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.