000 FZNT31 KNHC 201525 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1025 AM EST Sun Jan 20 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 S central Caribbean through Wed night and increase to at or near gale force along the immediate coast of Colombia each night through Thu night. A strong cold front is moving SE into the NW Caribbean this morning, and will extend from central Cuba to the Gulf of Honduras tonight. The front will weaken but still extend from SE Cuba to the NW and N central coast of Honduras on Mon night, and then start to weaken and drift N from Cuba westward from Tue morning until Tue night. Strong high pres building over the western Atlc will increase the pressure gradient over the basin Tue through Thu resulting in strong winds across almost all of the eastern and central Caribbean. NW Caribbean W of 85W .TODAY...NW winds 15 to 25 kt. Seas 4 to 6 ft. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .MON...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 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...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, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .MON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...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. .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. Caribbean from 11N to 15N W of 72W ...GALE CONDITIONS POSSIBLE MON TUE AND WED NIGHTS... .TODAY...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON...E winds 20 to 25 kt within 90 nm of coast of Colombia, and NE 15 to 20 kt elsewhere. Seas 6 to 9 ft. .MON NIGHT...E winds 25 to 35 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft. .TUE...E winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 25 to 35 kt. Seas 8 to 13 ft. .WED...E winds 20 to 30 kt. Seas 8 to 13 ft. .WED NIGHT...E winds 25 to 35 kt. Seas 9 to 14 ft. .THU...E winds 20 to 30 kt. Seas 9 to 14 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. SW Caribbean S of 11N .TODAY...N winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .MON...NE winds 15 to 25 kt. Seas 7 to 10 ft. .MON NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 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 10 to 20 kt. Seas 8 to 13 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 8 to 12 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. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .MON...NE winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .MON NIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .WED...E winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .THU...E winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...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 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 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 20 kt. Seas 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...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. Synopsis for the the SW N ATLC including the Bahamas .SYNOPSIS...A strong cold front moving off the NE Florida coast will then reach from 31N72W to the coast of Cuba near 23N80W tonight, from 30N65W to 26N70W to the coast of Cuba near 21N77W on Monday morning, from 27N65W to the coast of Cuba near 21N77W on Monday night. The front will begin weakening and become stationary on Tuesday afternoon from 23N65W to near the Windward Passage. Minimal gale force winds will prevail on either side of the front N of 28N and W of 65W from this morning through Monday morning. Peak seas will build to near 20 feet in NW swell behind the front on Tues. Strong winds will develop between the front and 25N on Tue as strong high pressure builds to the N of the front. These winds will persist through Wed night as the strong high slowly shifts E over the western Atlc near 35N. The next cold front should push E from Florida on Thu. ATLC waters from 27N to 31N W of 77W ...GALE WARNING... .TODAY...W winds 25 to 35 kt. Seas 8 to 11 ft, building to 9 to 14 ft in the afternoon. .TONIGHT...NW winds 20 to 30 kt, diminishing to 15 to 20 kt after midnight. Seas 9 to 14 ft, subsiding to 8 to 11 ft after midnight. .MON...N winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 15 kt. Seas 5 to 7 ft. .TUE...E winds 15 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 15 to 20 kt. Seas 6 to 9 ft. .WED...SE winds 15 to 20 kt. Seas 7 to 9 ft. .WED NIGHT...S winds 15 to 25 kt. Seas 8 to 11 ft. .THU...SW winds 20 to 30 kt. Seas 8 to 13 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TODAY...SW winds 25 to 35 kt W of 70W, and S 15 to 25 kt elsewhere. W of 70W, seas 7 to 10 ft, building to 9 to 14 ft in the afternoon. Elsewhere, seas 6 to 9 ft. .TONIGHT...W winds 20 to 30 kt. W of 70W, seas 11 to 16 ft. Elsewhere, seas 7 to 10 ft, building to 8 to 13 ft after midnight. .MON...NW winds 15 to 25 kt. Seas 9 to 14 ft. .MON NIGHT...N winds 15 to 20 kt. Seas 9 to 14 ft. .TUE...NE winds 15 to 20 kt. Seas 10 to 15 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 10 to 15 ft. .WED...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 7 to 9 ft. .THU...S winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...S winds 15 to 25 kt. Seas 8 to 11 ft. Bahamas N of 22N .TODAY...SW winds 15 to 25 kt. Seas 3 to 5 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 3 to 5 ft. .MON...N winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...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 5 to 7 ft. .THU...SE winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...S winds 15 to 25 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...SW winds 15 to 25 kt W of 70W, and S 10 to 20 kt elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 7 ft elsewhere. .MON...NW winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 15 to 25 kt W of 70W, and N 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TUE...NE winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...E winds 20 to 25 kt. Seas 9 to 12 ft. .WED...E winds 20 to 25 kt. Seas 10 to 12 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 9 to 12 ft. .THU...SE winds 15 to 20 kt. Seas 8 to 10 ft. .THU NIGHT...SE winds 15 to 20 kt. Seas 7 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...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 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 15 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...NE winds 20 to 25 kt. Seas 9 to 13 ft. .THU...E winds 20 kt. Seas 10 to 12 ft. .THU NIGHT...E winds 15 to 20 kt. Seas 9 to 11 ft.