000 FZNT31 KNHC 180835 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 435 AM EDT Sun Oct 18 2020 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...A tropical wave moving across the W Caribbean will reach the Yucatan Peninsula by Tue morning enhancing winds and convection over the area. A broad area of low pressure is expected to form in a few days over the southwestern Caribbean. Some gradual development of this system will be possible through the middle of next week while it moves slowly northwestward. NW Caribbean W of 85W .TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .WED...SE winds less than 10 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. .THU NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 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 20 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...S winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .WED...S winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. SW Caribbean S of 11N .TODAY...NW winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...NW winds less than 10 kt, shifting to W after midnight. Seas 3 to 4 ft. .MON...W winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds less than 10 kt. Seas 2 ft or less. .THU...SW winds 10 to 15 kt. Seas 2 ft or less. .THU NIGHT...SW winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .MON NIGHT...Gulf of Venezuela, NW winds less than 10 kt, shifting to SE after midnight. Elsewhere, E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TUE...E winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. 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 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...SW winds less than 10 kt. Seas 3 to 5 ft. .TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .WED...S winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds less than 10 kt. Seas 5 to 7 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .MON...SE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE...SE winds less than 10 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 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 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front from 31N70W to 25N80W will dissipate on Mon. Fresh to strong NE winds and building seas are expected N of the front through the next 24 hours. A non-tropical low pressure system is located about 460 miles east-southeast of Bermuda. Gradual development is expected, and a subtropical depression or storm is very likely to form during the next day or two while the low meanders in the area. At this time, gale conditions are expected to begin on Mon night, and continue with the low as it moves northward. The pressure gradient between high pressure to the north and the low will increase winds and seas across the NE waters beginning on tonight. ATLC waters from 27N to 31N W of 77W .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 7 to 10 ft. .WED...E winds 15 to 20 kt. Seas 8 to 10 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .THU...E winds 15 to 20 kt. Seas 8 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 8 to 9 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE... .TODAY...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 9 ft W of 70W, and 8 to 12 ft elsewhere. .MON NIGHT...E winds 15 to 20 kt W of 70W, and NE 20 to 25 kt elsewhere. Seas 7 to 10 ft W of 70W, and 10 to 13 ft elsewhere. .TUE...E winds 15 to 20 kt. Seas 8 to 12 ft. .TUE NIGHT...E winds 15 to 20 kt. Seas 9 to 12 ft. .WED...NE winds 15 to 20 kt. Seas 9 to 13 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 10 to 15 ft. .THU...NE winds 15 to 25 kt. Seas 11 to 16 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 10 to 15 ft. Bahamas N of 22N .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 10 to 20 kt W of 70W, and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft W of 70W, and 8 to 13 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 8 to 13 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 9 to 12 ft. .WED...NE winds 10 to 20 kt. Seas 9 to 11 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 9 to 12 ft. .THU...N winds 10 to 20 kt. Seas 9 to 12 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 9 to 12 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NE winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED...E winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...NW winds less than 10 kt, shifting to W in the afternoon. Seas 3 to 4 ft. .TONIGHT...W winds 10 to 15 kt. Seas 4 to 6 ft. .MON...W winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...W winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...W winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 8 to 11 ft. .WED...W winds 10 to 15 kt. Seas 7 to 10 ft. .WED NIGHT...SW winds less than 10 kt. Seas 6 to 9 ft. .THU...S winds less than 10 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds less than 10 kt. Seas 6 to 8 ft.