000 FZNT32 KNHC 051505 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1105 AM EDT Thu Oct 5 2017 Marine Weather HF Voice Broadcast for the Gulf of Mexico Seas 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 the Gulf of Mexico .SYNOPSIS...A trough extends down the Florida peninsula to 1007 mb low pressure over Straits of Florida will weaken as they move into the NW Gulf through Fri night, allowing associated strong winds and seas over the NE and N central Gulf to diminish. Newly upgraded T.S. Nate in western Caribbean near 14.3N 93.7W at 11 AM EDT is forecast to move into the S central Gulf Fri night, reaching 23.7N 88.1W as a hurricane Fri morning, 29.5N 89.5W Sat morning before making landfall over the N central Gulf coast late Sat night into early Sun. More tranquil marine conditions are expected early next week in the wake of the system. Gulf of Mexico N of 26N W of 87W .THIS AFTERNOON...NE winds 15 to 25 kt. Seas 7 to 9 ft. .TONIGHT...NE winds 20 to 30 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 15 to 25 kt. Seas 6 to 8 ft. .SAT...HURRICANE CONDITIONS POSSIBLE. SE winds 10 to 20 kt, increasing to 30 to 40 kt in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...HURRICANE CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...SW winds 15 to 25 kt, shifting to S 10 to 15 kt after midnight. Seas 7 to 10 ft, subsiding to 5 to 7 ft after midnight. .MON...S winds 10 to 15 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W ...TROPICAL STORM WARNING... .THIS AFTERNOON...NE winds 15 to 25 kt. Seas 7 to 9 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. NE winds 15 to 25 kt, increasing to 45 to 55 kt after midnight. Seas 5 to 7 ft. .SAT...HURRICANE CONDITIONS POSSIBLE. NW winds 50 to 60 kt, diminishing to 40 to 50 kt in the afternoon. Seas 7 to 10 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...S winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .MON...S winds 10 to 15 kt. Seas 3 to 5 ft. SW Gulf of Mexico S of 22N W of 87W ...TROPICAL STORM WARNING... .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. Within 60 nm of coast of Veracruz, N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, N winds 25 to 35 kt, increasing to 45 to 55 kt after midnight. Seas 3 to 5 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Veracruz, Variable winds less than 10 kt. Elsewhere, NW winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...Within 60 nm of coast of Veracruz, E winds less than 10 kt, shifting to SE after midnight. Elsewhere, NW winds 10 to 20 kt, shifting to S after midnight. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W ...TROPICAL STORM WARNING... .THIS AFTERNOON...NE winds 20 to 30 kt. Seas 7 to 10 ft. .TONIGHT...E winds 20 to 30 kt. Seas 7 to 10 ft. .FRI...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 15 to 25 kt. Seas 6 to 8 ft. .FRI NIGHT...TROPICAL STORM CONDITIONS EXPECTED. SE winds 20 to 30 kt, increasing to 40 to 50 kt after midnight. Seas 5 to 7 ft. .SAT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to 40 kt, diminishing to 20 to 30 kt in the afternoon. Seas 7 to 10 ft. .SAT NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .SUN...TROPICAL STORM CONDITIONS POSSIBLE. .SUN NIGHT...S winds 15 to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 6 to 9 ft. .MON...S winds less than 10 kt. Seas 4 to 6 ft.