GMZ035 Expires:202312052130;;947700 Fzus52 Kkey 051521 Cwfkey
coastal waters forecast for the florida keys national weather service key west fl 1021 am est Tue dec 5 2023
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.
gmz032-035-052130- 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- 1021 am est Tue dec 5 2023
This afternoon..North to northeast winds near 10 knots, except 10 to 15 knots west of the marquesas keys, becoming mainly north. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. NEarshore waters a light to moderate chop.
Tonight..Northwest to north winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 1 to 3 feet, building to 2 to 4 feet. NEarshore waters a light to moderate chop, becoming choppy.
Wednesday..North winds 15 to 20 knots. Seas 2 to 4 feet, except building to 3 to 5 feet west of the marquesas keys. NEarshore waters choppy.
Wednesday night..North to northeast winds near 20 knots. Seas 2 to 4 feet, except 4 to 5 feet west of the marquesas keys. NEarshore waters rough.
Thursday..Northeast to east winds 15 to 20 knots, decreasing to near 15 knots. Seas 2 to 4 feet, except 4 to 5 feet west of the marquesas keys. NEarshore waters choppy, becoming a moderate chop.
Thursday night..East winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet west of the marquesas keys. NEarshore waters choppy.
Friday..East winds 15 to 20 knots. Seas 2 to 3 feet, except 3 to 4 feet west of the marquesas keys. NEarshore waters choppy. Isolated showers.
Friday night..East winds 15 to 20 knots. Seas 1 to 3 feet, except 3 to 4 feet west of the marquesas keys. NEarshore waters choppy. Isolated showers.
Saturday and Saturday night..East to southeast winds near 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the marquesas keys. NEarshore waters a moderate chop. Isolated showers.

GMZ005 Synopsis For Keys Coastal Waters From Ocean Reef To Dry Tortugas 1021 Am Est Tue Dec 5 2023
Synopsis..Gentle to moderate north to northeast breezes will briefly slacken during the afternoon hours. Then, the next front moves through late tonight into Wednesday resulting in freshening northerly breezes in its wake. Strong high pressure builds in behind the front as it slides across the southeastern united states and into the western north atlantic Thursday through Saturday resulting in fresh easterly to at times southeasterly breezes.
the approximate shoreward edge of the gulf stream as of december 05...
56 nm south of dry tortugas light...on loggerhead key. 20 nm south of cosgrove shoal light...off the marquesas keys. 15 nm south of sand key light...off key west. 17 nm south of looe key...off big pine key. 20 nm south of sombrero key light...off marathon. 12 nm southeast of alligator reef light...off islamorada. 9 nm southeast of molasses reef light...off key largo. 2 nm east of carysfort reef light...off ocean reef.
gulf stream information courtesy of the naval oceanographic office.