000 FZNT31 KNHC 121426 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1026 AM EDT Mon Mar 12 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...Fresh to strong E to ESE tradewinds will continue across the waters east of 80W, except for near gale force winds just to the north of the A-B-C islands through Tue night. A cold front will enter the NW Caribbean Mon night, reach from central Cuba to the Gulf of Honduras Tue, stall from Hispaniola to Nicaragua Tue night, and dissipate by Thu. High pres will build SE from the Gulf of Mexico to over the NW Caribbean beginning on Thu night. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 15 kt, shifting to S in the afternoon. Seas 3 to 5 ft. .TONIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .TUE...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 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 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere. .TONIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, S winds less than 10 kt, shifting to N after midnight. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE 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 .THIS AFTERNOON...E winds 15 to 25 kt. Seas 8 to 11 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...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 15 to 20 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 6 to 8 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...NE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...NE 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 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .THIS AFTERNOON...N winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 5 to 7 ft. .TUE...N winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...N 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. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of Venezuela, and 8 to 11 ft elsewhere. .TONIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .TUE...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .TUE NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .WED...E winds 15 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 8 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 .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 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. Seas 5 to 7 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI 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 .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. 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...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SYNOPSIS FOR THE SW N ATLC INCLUDING THE BAHAMAS .SYNOPSIS...A cold front entering the waters off NE Florida this morning will be preceded and followed by near gale to gale force winds N of 28N this afternoon through Tue morning. The front will reach from 30N65W to E Cuba Tue, then stall from 26N65W to E Cuba through Tue night. A second cold front will cross waters N of 26N Wed night and Thu, merging with the first front on Thu. High pres will build from the NW behind the second front. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .THIS AFTERNOON...W winds 15 to 25 kt. Seas 6 to 8 ft. .TONIGHT...NW winds 25 to 35 kt. Seas 9 to 14 ft. .TUE...NW winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Seas 9 to 14 ft, subsiding to 7 to 10 ft in the afternoon. .TUE NIGHT...NW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 9 ft. .WED...NW winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .THU...NW winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NW winds 10 to 15 kt, shifting to W in the afternoon. Seas 4 to 6 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 3 to 5 ft. ATLC WATERS FROM 27N TO 31N BETWEEN 65W AND 77W ...GALE WARNING... .THIS AFTERNOON...SW winds 20 to 25 kt. Seas 7 to 10 ft. .TONIGHT...W winds 25 to 35 kt W of 70W, and SW 20 to 30 kt elsewhere. W of 70W, seas 8 to 12 ft, building to 11 to 16 ft after midnight. Elsewhere, seas 8 to 10 ft, building to 8 to 13 ft after midnight. .TUE...W of 70W, NW winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Elsewhere, W winds 20 to 30 kt. Seas 11 to 16 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 10 to 15 ft. .WED...W winds 10 to 20 kt. Seas 8 to 13 ft. .WED NIGHT...W winds 10 to 20 kt. Seas 8 to 13 ft. .THU...NW winds 10 to 20 kt. Seas 8 to 13 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...W winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...W winds 10 to 15 kt. Seas 7 to 10 ft. Bahamas N of 22N .THIS AFTERNOON...SW winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .WED...N winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...S winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...W winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...W of 70W, N winds less than 10 kt. Elsewhere, W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 7 to 10 ft. .WED...NE winds less than 10 kt, shifting to W in the afternoon. Seas 7 to 10 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 7 to 10 ft. .THU...N winds 10 to 15 kt. Seas 7 to 9 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...S 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 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...SE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds 15 kt. Seas 7 to 8 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 7 to 8 ft. .TUE...SE winds 10 to 15 kt. Seas 6 to 7 ft. .TUE NIGHT...SE winds 10 kt. Seas 6 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...SE winds 10 kt. Seas 6 to 8 ft. .THU...SE winds 10 to 15 kt. Seas 7 to 8 ft. .THU NIGHT...SE winds 10 kt. Seas 7 to 8 ft. .FRI...SE winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 6 to 7 ft.