Offshore Forecast
Issued by NWS
Issued by NWS
572 FZNT32 KNHC 240313 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1113 PM EDT Mon Sep 23 2024 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...Potential Tropical Cyclone Nine is near 18.4N 82.4W at 11 PM EDT, and is moving north-northwest at 5 kt. Maximum sustained winds are 30 kt with gusts to 40 kt, and the minimum central pressure is 1002 mb. Nine will move to 19.1N 83.5W Tue morning, 20.2N 84.6W Tue evening, 21.6N 85.6W Wed morning, 23.4N 85.8W Wed evening, 26.2N 84.9W Thu morning, and inland to 30.4N 83.9W Thu evening. Nine will become post-tropical as it moves through the southeast U.S. late Fri. Nine is expected to become a large and powerful hurricane. Widespread showers and thunderstorms will shift into the SE Gulf Tue through Wed as Nine moves northward into the eastern Gulf. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...NE winds 10 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. NE winds 30 to 40 kt. Seas 5 to 7 ft. .THU...HURRICANE CONDITIONS POSSIBLE. .THU NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .FRI...NW winds 10 to 20 kt. Seas 7 to 10 ft, subsiding to 5 to 7 ft in the afternoon. .FRI NIGHT...NW winds less than 10 kt, shifting to SW after midnight. Seas 3 to 5 ft. .SAT...SW winds 10 to 15 kt, shifting to W in the afternoon. Seas 3 to 4 ft. Gulf of Mexico from 22N to 26N W of 87W ...TROPICAL STORM WARNING... .OVERNIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 20 kt. Seas 3 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 25 to 35 kt. Seas 3 to 5 ft. .WED...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 25 to 35 kt. Seas 5 to 7 ft. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. N winds 30 to 40 kt. Seas 7 to 10 ft. .THU...TROPICAL STORM CONDITIONS POSSIBLE. .THU NIGHT...NW winds 15 to 25 kt, diminishing to 10 to 15 kt after midnight. Seas 7 to 10 ft. .FRI...N winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...Variable winds less than 10 kt within 60 nm of coast of Veracruz, and NE 10 to 15 kt elsewhere. Seas 2 ft or less. .TUE...NW winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 20 kt elsewhere. Seas 2 ft or less. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. N winds less than 10 kt within 60 nm of coast of Veracruz, and N 20 to 30 kt elsewhere. Seas 2 ft or less. .WED...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Veracruz, NW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, NW winds 25 to 35 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. Within 60 nm of coast of Veracruz, NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, NW winds 20 to 30 kt. Seas 2 ft or less within 60 nm of coast of Veracruz, and 3 to 5 ft elsewhere. .THU...NW winds 10 to 15 kt within 60 nm of coast of Veracruz, and W 15 to 25 kt elsewhere. Within 60 nm of coast of Veracruz, seas 2 ft or less, building to 3 ft in the afternoon. Elsewhere, seas 3 to 5 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...Within 60 nm of coast of Veracruz, NW winds 10 to 15 kt. Elsewhere, W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...Within 60 nm of coast of Veracruz, NW winds 10 to 15 kt. Elsewhere, NW winds less than 10 kt, shifting to SE after midnight. Seas 3 to 4 ft. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Gulf of Mexico E of 87W ...HURRICANE WARNING... .OVERNIGHT...E winds 10 to 20 kt. Seas 3 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS EXPECTED. E winds 20 to 30 kt, increasing to 30 to 40 kt after midnight. Seas 4 to 6 ft. .WED...TROPICAL STORM CONDITIONS EXPECTED. E winds 45 to 55 kt, increasing to 55 to 65 kt in the afternoon. Seas 8 to 11 ft, building to 10 to 15 ft in the afternoon. .WED NIGHT...HURRICANE CONDITIONS POSSIBLE. SE winds 65 to 80 kt. Seas 11 to 16 ft, building to 14 to 19 ft after midnight. .THU...HURRICANE CONDITIONS POSSIBLE. .THU NIGHT...HURRICANE CONDITIONS POSSIBLE. .FRI...SW winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 7 to 10 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft.