Synopsis: Gentle to moderate southeast breezes will prevail
across Florida Keys coastal waters this evening, as low pressure
moves eastward across the Gulf of Mexico. The low will weaken
tonight, with gentle to moderate breezes rapidly clocking around
from southeast to south and southwest. Gentle to moderate
northwest to north breezes will develop Wednesday night and
continue through Friday. A powerful cold front is forecast to
blast through the Keys waters late Friday night, followed by
strong northerly winds through much of the weekend.
The Approximate Shoreward Edge of the Gulf Stream as of January
51 NM South of Dry Tortugas Light...on Loggerhead Key.
15 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
8 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.
7 NM Southeast of Alligator Reef Light...off Islamorada.
6 NM Southeast of Molasses Reef Light...off Key Largo.
5 NM East of Carysfort Reef Light...off Ocean Reef.
Gulf Stream Information Courtesy of the Naval Oceanographic
East to southeast winds near 15 knots, becoming southeast to south. Seas 2 to 3 feet. Isolated showers in the evening. Numerous showers and isolated thunderstorms.
South to southwest winds 10 to 15 knots, becoming southwest to west late in the afternoon. Seas 2 to 4 feet. Numerous showers and isolated thunderstorms.
Northwest winds 10 to 15 knots, becoming north to northeast after midnight. Seas 2 to 3 feet. Scattered showers and isolated thunderstorms.
North to northeast winds 10 to 15 knots. Seas 2 to 3 feet. Isolated showers.
North winds 10 to 15 knots. Seas 2 to 3 feet.
North winds 5 to 10 knots becoming northwest late in the afternoon. Seas 1 to 2 feet. Isolated showers.
Northwest to north winds 15 to 20 knots. Seas around 2 feet building to 3 to 5 feet after midnight. Numerous showers.
Northwest to north winds near 25 knots. Seas 4 to 7 feet building to 6 to 9 feet in the afternoon. Isolated showers.
North winds 20 to 25 knots. Seas 6 to 8 feet subsiding to 4 to 7 feet after midnight.
North winds near 20 knots early, decreasing to 15 to 20 knots. Seas 4 to 6 feet subsiding to 3 to 4 feet in the afternoon.
North to northeast winds near 15 knots. Seas 2 to 4 feet.