000 FZNT31 KNHC 170913 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 413 AM EST Mon Dec 17 2018 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 ATLC from 07N to 19N between 55W and 64W .SYNOPSIS...A stationary front is over the NW Caribbean extending from central Cuba to a weak 1015 mb low pressure centered near 16N85W. Fresh to locally strong northerly winds W of the front are forecast to persist today. The front will dissipate by tonight, and its remnants will then move westward as a trough across the NW Caribbean on Tue. The trough will reach the Yucatan Peninsula by Tue night. Fresh to strong winds will prevail across the south-central Caribbean through the forecast period, with the strongest winds near the coast of Colombia reaching near gale force mainly at night. The next cold front is forecast to enter the NW Caribbean by late Thu. NW Caribbean W of 85W .TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt, shifting to SE after midnight. Seas 3 to 5 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SW winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NW winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean N of 15N between 72W and 85W .TODAY...S of 18N, E winds 10 to 20 kt. Elsewhere, NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...S of 18N, E winds 10 to 20 kt. Elsewhere, NE winds 10 to 15 kt, shifting to E in the afternoon. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 20 kt, shifting to N in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TUE...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TUE NIGHT...E winds 20 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TODAY...NE winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .THU...NE winds less than 10 kt. Seas 6 to 8 ft. .THU NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .FRI...N winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TUE...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TUE NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 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 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 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 5 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...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 6 to 8 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 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 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Synopsis for the the SW N ATLC including the Bahamas .SYNOPSIS...A cold front extends from 31N68W across the central Bahamas to north-central Cuba near 22N78W. The front will push E and extend from 28N65W across the SE Bahamas to Camaguey, Cuba by Mon evening, and from 25N65W to eastern Cuba by Tue evening. The western portion of the front is forecast to lift northward Wed through Thu as another cold front moves across the Gulf of Mexico. Expect strong to gale force winds and building seas mainly across the waters N of the Bahamas late Thu through Fri night as a low pressure system deepens over the SE of United States dragging a cold front over the region. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE... .TODAY...NW winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NW winds 10 kt. Seas 3 to 4 ft. .TUE...Variable winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 3 ft. .WED...SE winds 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...S winds 15 to 25 kt. Seas 4 to 6 ft, building to 6 to 9 ft in the afternoon. .THU NIGHT...SW winds 20 to 30 kt. Seas 8 to 11 ft. .FRI...SW winds 25 to 35 kt. Seas 9 to 13 ft, building to 11 to 16 ft in the afternoon. .FRI NIGHT...W winds 25 to 35 kt. Seas 11 to 16 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE... .TODAY...W winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .WED...NE winds 10 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...S winds 20 to 30 kt. Seas 8 to 11 ft. .FRI...S winds 20 to 30 kt. Seas 9 to 14 ft. .FRI NIGHT...SW winds 25 to 35 kt. Seas 11 to 16 ft. Bahamas N of 22N ...GALE CONDITIONS POSSIBLE... .TODAY...NW winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .TONIGHT...N winds less than 10 kt. Seas 3 ft. .TUE...NE winds less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 ft. .THU...S winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...S winds 15 to 25 kt. Seas 4 to 6 ft. .FRI...SW winds 25 to 35 kt. Seas 5 to 8 ft. .FRI NIGHT...W winds 20 to 30 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W winds less than 10 kt W of 70W, and SW 10 to 15 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...W of 70W, N winds less than 10 kt. Elsewhere, SW winds 10 to 15 kt, shifting to W after midnight. Seas 4 to 6 ft. .TUE...NW winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...W of 70W, NE winds less than 10 kt, shifting to E after midnight. Elsewhere, NE winds less than 10 kt. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 6 to 7 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 7 ft. .FRI...S winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...S winds 10 to 20 kt. Seas 7 to 10 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE...SE 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 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .TUE...SE winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 5 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 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.