621 FZNT31 KNHC 201031 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 631 AM EDT Sun Oct 20 2024 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the Bahamas, and the Caribbean Sea. 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 Caribbean Sea and Tropical N Atlantic from 07N to 19N W of 55W .SYNOPSIS...Fresh to strong winds and rough seas persist near the Yucatan Channel, between high pressure north of the area and Tropical Depression Nadine, weakening over southern Mexico and drifting westward. These winds and seas will diminish through Mon night as Nadine dissipates and the high pressure weakens and shifts eastward. Mostly gentle to moderate breezes and slight to moderate seas will persist across the basin thereafter through Thu night. NW Caribbean W of 85W .TODAY...E winds 15 to 25 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .WED...NE winds less than 10 kt S of 18N, and NE 10 to 15 kt elsewhere. Seas 2 ft or less. .WED NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. .THU...NE winds 10 to 15 kt. Seas 3 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 ft. .MON NIGHT...Within 90 nm of coast of Colombia, E winds less than 10 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .TUE...S winds less than 10 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 ft. .TUE NIGHT...Within 90 nm of coast of Colombia, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, NE winds 10 to 15 kt. Seas 3 ft. .WED...SE winds less than 10 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 2 ft or less, building to 3 ft after midnight. .THU...E winds less than 10 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 ft. SW Caribbean S of 11N .TODAY...W winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...W winds less than 10 kt. Seas 3 to 4 ft. .MON...W winds less than 10 kt. Seas 3 ft. .MON NIGHT...NW winds less than 10 kt, shifting to W after midnight. Seas 3 ft. .TUE...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...NW winds less than 10 kt. Seas 2 ft or less. .WED...W winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...W winds less than 10 kt. Seas 2 ft or less. .THU...W winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .MON...NE winds less than 10 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TUE...Gulf of Venezuela, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .WED...NE winds less than 10 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .WED NIGHT...E winds less than 10 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .THU...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Hurricane Oscar is near 21.1N 73.1W at 5 AM EDT, over Great Inagua Island in the southern Bahamas, and is moving west at 10 kt. Maximum sustained winds are 70 kt with gusts to 85 kt, and the minimum central pressure is 988 mb. Oscar will move toward the coast of eastern Cuba near 20.6N 74.3W this afternoon, move inland and weaken to a tropical storm over eastern Cuba near 20.4N 75.4W Mon morning, then remain inland near 20.8N 76.1W Mon afternoon. Oscar will then move northward toward the southern Bahamas again, reaching 21.7N 76.0W Tue morning, and 22.7N 75.2W Tue afternoon. Oscar will move to the north of the southern Bahamas and reach 23.8N 74.0W Wed morning, then continue to move to the NE before dissipating by early Thu. Elsewhere, a cold front from 31N54W to 25N65W will drift eastward today, then weaken to a trough through the early part of the week. Fresh to strong winds and rough seas will prevail west of the front through Tue. ATLC waters from 27N to 31N W of 77W .TODAY...NE winds 10 to 20 kt. Seas 9 to 10 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 8 to 10 ft. .MON...NE winds 10 to 20 kt. Seas 8 to 9 ft. .MON NIGHT...NE winds 15 to 20 kt. Seas 8 to 10 ft. .TUE...NE winds 15 to 20 kt. Seas 7 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...NE winds 10 to 20 kt W of 70W, and NE 15 to 25 kt elsewhere. Seas 8 to 11 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...NE winds 10 to 20 kt. Seas 7 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 7 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...NE winds 15 to 25 kt W of 70W, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...N winds 10 to 20 kt. Seas 6 to 8 ft. Bahamas N of 22N .TODAY...NE winds 15 to 25 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 20 to 30 kt. Seas 3 to 5 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. NE winds 25 to 35 kt. Seas 4 to 6 ft. .TUE NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. .WED...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 20 to 30 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 6 ft elsewhere. .WED...W of 70W, SE winds 20 to 30 kt, shifting to NW 15 to 25 kt in the afternoon. Elsewhere, S winds 10 to 15 kt. Seas 6 to 9 ft W of 70W, and 5 to 6 ft elsewhere. .WED NIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NW winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W ...HURRICANE WARNING... .TODAY...TROPICAL STORM CONDITIONS. E winds 50 to 65 kt. Seas 5 to 7 ft. .TONIGHT...TROPICAL STORM CONDITIONS POSSIBLE. E winds 40 to 50 kt, diminishing to 20 to 30 kt after midnight. Seas 5 to 7 ft. .MON...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 20 to 30 kt. Seas 4 to 6 ft. .MON NIGHT...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to 40 kt. Seas 3 to 5 ft. .TUE...TROPICAL STORM CONDITIONS POSSIBLE. SE winds 30 to 40 kt, diminishing to 20 to 30 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...S winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 6 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 6 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 6 to 8 ft.