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Coastal Waters Forecast (CWF)

Issued by Key West, FL (KEY)

                            
680 
FZUS52 KKEY 192113
CWFKEY

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
413 PM 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.

GMZ005-200330-
Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
413 PM EST Mon Feb 19 2018

.SYNOPSIS...An Atlantic ridge of high pressure will extend across
the Southeastern United States tonight through Friday, resulting
in fresh to strong east to southeast breezes. 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. 

$$

GMZ031-200330-
Florida Bay including Barnes Sound, Blackwater Sound, and
Buttonwood Sound-
413 PM EST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FOR INCREASING WINDS...

.TONIGHT...East to southeast winds 15 to 20 knots, increasing to
near 20 knots after midnight. Bay waters choppy, becoming rough. 
Numerous showers. 
.TUESDAY...East to southeast winds 15 to 20 knots. Bay waters
choppy. Isolated showers. 
.TUESDAY NIGHT AND WEDNESDAY...East winds 15 to 20 knots. Bay 
waters choppy.
.WEDNESDAY NIGHT AND THURSDAY...East winds 15 to 20 knots. Bay 
waters choppy. Isolated showers. 
.THURSDAY NIGHT...East winds 15 to 20 knots. Bay waters choppy.
Isolated showers. 
.FRIDAY AND FRIDAY NIGHT...East winds near 15 knots. Bay waters a
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.

$$

GMZ032-035-200330-
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-
413 PM EST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FOR INCREASING WINDS...

.TONIGHT...East to southeast winds 15 to 20 knots, increasing to 
near 20 knots after midnight. Seas 2 to 4 feet. Nearshore waters 
choppy, becoming rough. Numerous showers. 
.TUESDAY...East to southeast winds near 20 knots. Seas 2 to 4
feet. Nearshore waters rough. Isolated showers. 
.TUESDAY NIGHT AND WEDNESDAY...East winds 15 to 20 knots. Seas 2
to 3 feet. Nearshore waters choppy. 
.WEDNESDAY NIGHT AND THURSDAY...East winds 15 to 20 knots. Seas 2
to 3 feet. Nearshore waters choppy. Isolated showers. 
.THURSDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet. 
Nearshore waters choppy. Isolated showers. 
.FRIDAY...East winds near 15 knots. Seas around 2 feet. Nearshore
waters a moderate chop. Isolated showers. 
.FRIDAY NIGHT...East winds near 15 knots. Seas 1 to 2 feet.
Nearshore waters a moderate chop. Isolated showers. 
.SATURDAY AND SATURDAY NIGHT...East to southeast winds 10 to 15
knots. Seas around 1 foot. Nearshore waters a light to moderate 
chop. Isolated showers. 

$$

GMZ042>044-200330-
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-
413 PM EST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FOR INCREASING WINDS...

.TONIGHT...East to southeast winds 15 to 20 knots, increasing to
near 20 knots by midnight. Seas 2 to 4 feet, building to 3 to 5
feet. Nearshore waters choppy, becoming rough. Numerous showers.
.TUESDAY...East to southeast winds near 20 knots. Seas 3 to 5
feet. Nearshore waters rough. Isolated showers.
.TUESDAY NIGHT...East winds near 20 knots. Seas 3 to 5 feet.
Nearshore waters rough. 
.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. 
Nearshore waters choppy.  
.WEDNESDAY NIGHT AND THURSDAY...East winds 15 to 20 knots. Seas 2
to 4 feet. Nearshore waters choppy. Isolated showers.
.THURSDAY NIGHT AND FRIDAY...East winds 15 to 20 knots. Seas 2 to
4 feet. Nearshore waters choppy. Isolated showers. 
.FRIDAY NIGHT AND SATURDAY...East to southeast winds near 15
knots. Seas 2 to 3 feet. Nearshore waters a moderate chop.
Isolated showers.  
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas
around 2 feet. Nearshore waters a light to moderate chop. Isolated
showers.  

$$

GMZ052>055-072>075-200330-
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-
413 PM EST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT...

.TONIGHT...East to southeast winds near 20 knots, increasing to 20
to 25 knots by midnight. Seas 5 to 7 feet, building to 6 to 9
feet. Numerous showers. 
.TUESDAY...East to southeast winds 20 to 25 knots. Seas 6 to 9
feet. Isolated showers. 
.TUESDAY NIGHT...East winds 20 to 25 knots. Seas 6 to 8 feet.
.WEDNESDAY...East winds near 20 knots. Seas 5 to 7 feet.
.WEDNESDAY NIGH AND THURSDAY...East winds near 20 knots. Seas 5 to
7 feet. Isolated showers. 
.THURSDAY NIGHT AND FRIDAY...East winds near 20 knots. Seas 5 to 7
feet. Isolated showers. 
.FRIDAY NIGHT AND SATURDAY...East to southeast winds 15 to 20
knots. Seas 4 to 6 feet. Isolated showers. 
.SATURDAY NIGHT...East to southeast winds near 15 knots. Seas 3 to
5 feet. Isolated showers. 

$$

GMZ033-034-200330-
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-
413 PM EST Mon Feb 19 2018

...SMALL CRAFT ADVISORY IN EFFECT FOR INCREASING WINDS...

.TONIGHT...East winds 15 to 20 knots, increasing to near 20 knots
after midnight. Seas 3 to 5 feet, building to 4 to 6 feet.
Numerous showers.
.TUESDAY...East to southeast winds near 20 knots. Seas 4 to 6
feet. Isolated showers.
.TUESDAY NIGHT...East winds near 20 knots. Seas 4 to 6 feet.
.WEDNESDAY...East winds 15 to 20 knots. Seas 3 to 5 feet. 
.WEDNESDAY NIGHT AND THURSDAY...East winds 15 to 20 knots. Seas 3
to 5 feet. Isolated showers.
.THURSDAY NIGHT AND FRIDAY...East winds 15 to 20 knots. Seas 3 to
5 feet. Isolated showers. 
.FRIDAY NIGHT AND SATURDAY...East to southeast winds near 15
knots. Seas 2 to 4 feet. Isolated showers.
.SATURDAY NIGHT...East to southeast winds 10 to 15 knots. Seas 2
to 3 feet. Isolated showers.

$$

CLR