000 FZNT31 KNHC 212123 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 423 PM EST Mon Jan 21 2019 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 trade winds will continue over the south-central Caribbean through Wed night, and increase to at or near gale force along the coast of Colombia each night through Thu night. Moderate to locally fresh trade winds will prevail elsewhere through tonight. A cold front extends from eastern Cuba to 17N80W and to inland northeastern Honduras. The front will become stationary by late tonight and begin to weaken then drift northward from Cuba westward Tue morning and night. Strong high pressure building over the western Atlc will increase the pressure gradient over the basin Tue through Fri. This will result in strong trades over most of the eastern and central Caribbean. Strong offshore gap winds will affect the lee of Cuba, and also blow through the Mona and Windward passages, especially Wed through Thu. Winds and seas will subside over most areas Fri through Sat night. NW Caribbean W of 85W .TONIGHT...NE 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 6 to 8 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU...S winds 10 to 15 kt, shifting to SW in the afternoon. Seas 4 to 6 ft. .THU NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 4 to 6 ft. .FRI...N winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TUE...E winds 15 to 25 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .WED...E winds 15 to 25 kt. Seas 8 to 11 ft S of 18N, and 6 to 9 ft elsewhere. .WED NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU...SE winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W ...GALE WARNING... ...GALE CONDITIONS POSSIBLE WED NIGHT... .TONIGHT...NE to E winds 30 to 35 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 8 to 10 ft, except 9 to 11 ft within 90 nm of coast of Colombia. .TUE...NE to E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE to E 15 to 25 kt elsewhere. Seas 7 to 10 ft. .TUE NIGHT...NE to E winds 30 to 40 kt within 90 nm of coast of Colombia, and NE to E 20 to 30 kt elsewhere. Seas 8 to 13 ft. .WED...NE to E winds 25 to 30 kt within 90 nm of coast of Colombia, and NE to E 20 to 30 kt elsewhere. Seas 8 to 13 ft, except 10 to 15 ft between 72W and 80W. .WED NIGHT...NE to E winds 20 to 30 kt, except 30 to 35 kt within 90 nm of coast of Colombia. Seas 9 to 14 ft, except 10 to 15 ft within 90 nm of coast of Colombia. .THU...NE to E winds 20 to 30 kt. Seas 9 to 14 ft. .THU NIGHT...N to E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...NE to E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...NE to E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE to E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...NE to E winds 15 to 25 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TONIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. .WED...NE winds 15 to 25 kt. Seas 8 to 13 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 8 to 13 ft. .THU...NE winds 10 to 15 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft. .TUE...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .WED...E winds 15 to 25 kt. Seas 4 to 6 ft Gulf of Venezuela, and 7 to 10 ft elsewhere. .WED NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .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...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 15 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...E winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Synopsis for the the SW N ATLC including the Bahamas .SYNOPSIS...A strong cold front extends from 31N63W to 25N69W and to eastern Cuba near 21N75W. The front will become stationary from north of Puerto Rico to near the Windward Passage by Wed evening. Strong winds will develop between the front and 25N on Tue as strong high pressure builds north of the front. These winds will persist until Thu as the strong high pressure shifts eastward over the western Atlantic waters north of the area. Another strong cold front will move off the Florida coast on Thu afternoon. The front will reach from near 31N70W to the central Bahamas and to central Cuba Fri afternoon, from near 31N69W to the SE Bahamas and eastern Cuba Fri night and from near 31N66W to 25N72W and stationary to the central Bahamas and to central Cuba by late Sat. Strong to gale force southerly winds will precede the front along with building seas through Thu night, and fresh to strong northerly winds will follow in behind the front. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE THU... .TONIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 15 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .WED...SE winds 15 to 20 kt. Seas 7 to 9 ft. .WED NIGHT...S winds 20 to 30 kt. Seas 8 to 11 ft. .THU...SW winds 20 to 30 kt, except 30 to 35 kt N of 29N. Seas 9 to 14 ft. .THU NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...N winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 5 to 6 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE THU AND THU NIGHT N OF 28N... .TONIGHT...N winds 15 to 25 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 8 to 13 ft W of 70W, and 10 to 15 ft elsewhere. .TUE...NE winds 15 to 20 kt. Seas 8 to 12 ft W of 70W, and 10 to 15 ft elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft W of 70W, and 10 to 15 ft elsewhere. .WED...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 7 to 10 ft. .THU...S winds 20 to 30 kt, except S to SW 30 to 35 kt N of 28N between 70W and 77W. Seas 8 to 11 ft. .THU NIGHT...S winds 15 to 25 kt, except 30 to 35 kt N of 28N E of front to 72W. Seas 8 to 11 ft. .FRI...W winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Bahamas N of 22N .TONIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. .TUE...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .WED...E winds 15 to 25 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 6 to 8 ft. .THU...S winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...NE winds 15 to 25 kt W of 70W, and N 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TUE...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...NE winds 20 to 25 kt. Seas 10 to 12 ft. .WED...E winds 20 to 25 kt. Seas 10 to 12 ft. .WED NIGHT...E winds 20 to 25 kt. Seas 9 to 12 ft. .THU...SE winds 15 to 20 kt. Seas 8 to 10 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 7 to 9 ft. .FRI...S winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...NE winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED...E winds 15 to 25 kt. Seas 8 to 12 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .THU...E winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...SE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. .THU...E winds 15 to 25 kt. Seas 10 to 12 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 9 to 11 ft. .FRI...E winds 15 to 20 kt. Seas 7 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 15 kt. Seas 6 to 8 ft.