000 FZNT31 KNHC 150900 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 500 AM EDT Sun Oct 15 2023 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 22N between 55W and 64W, the SW N Atlantic S of 31N W of 65W including 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 between 55W and 64W .SYNOPSIS...Gentle to moderate breezes and slight seas will persist through tonight. Winds and seas will increase over the far northwest Caribbean starting tonight following a cold front moving through the Yucatan Channel. The front will stall from central Cuba to Belize Mon, and dissipate into mid week. Fresh NE winds and moderate wave heights will persist over the northwest Caribbean through late Wed as high pressure builds over the area. Looking ahead, there is a high chance that a tropical depression or storm will develop over the Atlantic during the next several days, possibly bringing winds to gale force and very rough seas to the waters east of the Leeward Islands by late Thu. NW Caribbean W of 85W .TODAY...SE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...Variable winds less than 10 kt, becoming NE less than 10 kt after midnight. Seas 3 ft. .MON...N winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 5 to 7 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. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .MON...NE winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt S of 18N, and NW 10 to 15 kt elsewhere. Seas 2 ft or less S of 18N, and 3 to 5 ft elsewhere. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds less than 10 kt. Seas 3 ft. .TONIGHT...Variable winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...E winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 2 ft or less. .TUE...E winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 3 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .TODAY...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt, becoming W less than 10 kt after midnight. Seas 2 ft or less. .MON...SW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .TUE...Variable winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .THU...Variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...Variable winds less than 10 kt. Seas 3 ft. Caribbean between 64W and 72W .TODAY...Gulf of Venezuela, E winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, SE winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt Gulf of Venezuela, and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. .MON NIGHT...Gulf of Venezuela, Variable winds less than 10 kt, becoming E 10 kt after midnight. Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W ...GALE CONDITIONS POSSIBLE THU NIGHT... .TODAY...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 9 to 14 ft. .THU NIGHT...NE winds 20 to 35 kt. Seas 9 to 14 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU...E winds 10 to 15 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 8 to 13 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Expect fresh to strong winds over waters north of 30N and west of 70W today associated with a pair of frontal boundaries that are moving across the area. A reinforcing trough will maintain fresh NW winds off northeast Florida Mon. The second front will move E through the weekend, slow down and weaken from Bermuda to central Cuba by early Tue, then stall and dissipate from 31N60W through eastern Cuba by mid week. ATLC waters from 27N to 31N W of 77W .TODAY...W winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NW winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...N winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...W winds 10 to 20 kt. Seas 6 to 9 ft. .MON...W winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...W winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...W winds 10 to 15 kt. Seas 6 to 7 ft. .TUE NIGHT...NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 6 ft. .WED...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Bahamas N of 22N .TODAY...W winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...W winds 10 to 15 kt. Seas 3 ft. .MON...W winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas 3 ft. .TUE...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 3 ft. .WED...NE winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .THU...E winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SW winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SW winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SW winds less than 10 kt, shifting to E after midnight. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...S winds less than 10 kt. Seas 3 ft. .TONIGHT...S winds less than 10 kt. Seas 3 ft. .MON...S winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .TUE...S winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...S winds 10 kt. Seas 4 to 6 ft. .TONIGHT...S winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .MON...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 15 to 20 kt. Seas 7 to 10 ft, building to 8 to 13 ft in the afternoon. .THU NIGHT...E winds 15 to 20 kt. Seas 9 to 14 ft.