000 FZNT31 KNHC 071517 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1017 AM EST Mon Dec 7 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...Moderate to fresh trade winds in the south-central Caribbean will increase to fresh to strong Wed night and prevail through the remainder of the forecast period. A pair of cold fronts over the SE Gulf of Mexico will merge and enter the NW Caribbean today. Fresh to strong winds behind the front will start affecting this region this evening and will continue to affect the NW and portions of the SW basin as the front contines to move ESE through Thu morning. NW Caribbean W of 85W .TODAY...NW winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...N winds 15 to 25 kt. Seas 6 to 8 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .WED...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TODAY...S of 18N, E winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, SW winds less than 10 kt, shifting to W in the afternoon. Seas 3 to 4 ft. .TONIGHT...N winds less than 10 kt S of 18N, and NW 10 to 20 kt elsewhere. Seas 3 to 5 ft. .TUE...S of 18N, NE winds less than 10 kt, increasing to 10 to 20 kt in the afternoon. Elsewhere, N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 4 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 3 to 5 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to 5 ft. .TONIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...N winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 5 ft. .WED...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 7 ft. .FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E 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 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI 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 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 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 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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 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 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 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A frontal boundary just N of the Bahamas will merge with a second cold front that extends from 31N77W to Cape Canaveral this morning. By Tue, the front will stretch from Bermuda through the SE Bahamas and into eastern Cuba. Gale force winds are expected to develop late this morning ahead and behind the front N of 27N. Gale force winds and building seas are forecast to continue through Tue morning. ATLC waters from 27N to 31N W of 77W .TODAY...W winds 15 to 25 kt. Seas 4 to 6 ft. .TONIGHT...NW winds 20 to 30 kt. Seas 7 to 10 ft. .TUE...NW winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NW winds 10 kt. Seas 4 to 6 ft. .WED NIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. .THU...NW winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 3 ft. .FRI...SE winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TODAY...W of 70W, SW winds 20 to 35 kt. Elsewhere, S winds 10 to 15 kt, increasing to 15 to 25 kt in the afternoon. Seas 6 to 9 ft. .TONIGHT...W winds 20 to 30 kt W of 70W, and SW 25 to 35 kt elsewhere. Seas 8 to 11 ft, building to 9 to 14 ft after midnight. .TUE...W of 70W, NW winds 15 to 25 kt. Elsewhere, W winds 25 to 35 kt, becoming NW 15 to 25 kt in the afternoon. Seas 10 to 15 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 8 to 11 ft. .WED...NW winds 10 to 15 kt. Seas 6 to 9 ft. .WED NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NW winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 4 to 6 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Bahamas N of 22N .TODAY...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...W winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...NW winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .THU...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, S winds 15 to 25 kt. Elsewhere, SE winds less than 10 kt, shifting to S in the afternoon. Seas 5 to 7 ft. .TONIGHT...SW winds 15 to 25 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 6 to 9 ft. .TUE...NW winds 10 to 20 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 7 to 10 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 6 to 9 ft. .WED...N winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SW winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...W winds less than 10 kt. Seas 3 to 5 ft. .WED...W winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. .WED...SE winds 10 kt. Seas 5 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 5 to 6 ft. .THU...E winds less than 10 kt. Seas 5 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 ft. .FRI...E winds 10 to 15 kt. Seas 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 ft.