Offshore Forecast
Issued by NWS
Issued by NWS
174 FZNT32 KNHC 230231 OFFN21 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1031 PM EDT Sun Sep 22 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...Disorganized showers and thunderstorms located over the NW Caribbean and parts of Central America are associated with broad low pressure. Environmental conditions appear conducive for development, and a tropical depression or tropical storm is likely to form during the next few days while the system moves north across the NW Caribbean and into the SE Gulf of Mexico. Later this week, the low is forecast to move generally north across the eastern Gulf of Mexico. Regardless of development, winds and seas will significantly increase across the eastern Gulf this week. There is a medium chance of tropical formation within the next 48 hours and a high chance over the next 7 days. Gulf of Mexico N of 26N W of 87W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 ft. .MON...E winds 10 kt. Seas 3 ft. .MON NIGHT...E winds 10 kt. Seas 3 ft. .TUE...E winds 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds 10 kt. Seas 2 ft or less. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. .THU...N winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...NW winds 15 to 25 kt. Seas 8 to 13 ft. .FRI...NW winds 10 to 15 kt. Seas 7 to 10 ft. .FRI NIGHT...W winds 10 kt. Seas 4 to 6 ft. Gulf of Mexico from 22N to 26N W of 87W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 ft. .MON...E winds less than 10 kt. Seas 3 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 ft. .TUE...E winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NW winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NW winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...NW winds less than 10 kt. Seas 4 to 6 ft. SW Gulf of Mexico S of 22N W of 87W .OVERNIGHT...E winds less than 10 kt within 60 nm of coast of Veracruz, and E 10 to 15 kt elsewhere. Seas 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. .TUE...NE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .WED...NW winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NW winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .FRI...NW winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. Gulf of Mexico E of 87W .OVERNIGHT...E winds less than 10 kt. Seas 2 ft or less. .MON...E winds 10 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .WED...SE winds 20 to 30 kt. Seas 7 to 10 ft, building to 8 to 13 ft in the afternoon. .WED NIGHT...SE winds 20 to 30 kt. Seas 10 to 15 ft. .THU...S winds 20 to 30 kt. Seas 13 to 18 ft. .THU NIGHT...SW winds 20 to 30 kt. Seas 11 to 16 ft. .FRI...SW winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft.