FZUS52 KKEY 200952

Coastal Waters Forecast for the Florida Keys
National Weather Service Key West FL
452 AM EST Sat Jan 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.

Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
452 AM EST Sat Jan 20 2018

.SYNOPSIS...An area of high pressure over the Southeastern United
States will slide into the Southwest Atlantic Ocean today. An 
Atlantic ridge of high pressure will extend across the 
Southeastern United States Saturday night through Sunday night, 
before shifting southward down the Florida peninsula Monday.

The Approximate Shoreward Edge of the Gulf Stream current, as of
January 19th, 2018...

45 NM South of Dry Tortugas Light, on Loggerhead Key.
33 NM South of Cosgrove Shoal Light, off the Marquesas Keys.
30 NM South of Sand Key Light, off Key West.
28 NM South of Looe Key, off Big Pine Key.
22 NM South of Sombrero Key Light, off Marathon.
13 NM Southeast of Alligator Reef Light, off Islamorada.
 7 NM Southeast of Molasses Reef Light, off Key Largo.
 7 NM East of Carysfort Reef Light, off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic