000 FZNT31 KNHC 110900 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 400 AM EST Mon Dec 11 2023 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...Strong high pressure N of the region will support fresh to strong trade winds across the central and portions of the SW Caribbean Sea through Thu, except for near gale-force winds off the coast of Colombia. Rough seas in these regions will be in the 8 to 12 ft range, highest over Colombia adjacent waters. A cold front will enter the NW Caribbean this morning followed by moderate to fresh N to NE winds and rough seas. These winds will reach strong speeds in the NW Caribbean tonight through Wed morning as the front stalls from central Cuba to the Gulf of Honduras on Tue before retreating back towards the Straits of Florida and the SE Gulf of Mexico on Wed. Strengthening high pressure in the wake of the front will bring fresh to strong NE winds in the Windward Passage Tue evening through early Fri. NW Caribbean W of 85W .TODAY...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...NE 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 less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 4 to 6 ft elsewhere. .TUE...E winds 15 to 25 kt S of 18N, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 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 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 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 25 kt. Seas 7 to 10 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE...E winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 8 to 11 ft. .WED...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 20 kt. Seas 6 to 8 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. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .WED...NE winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .FRI NIGHT...N winds 10 to 15 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 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TONIGHT...E winds 20 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TUE NIGHT...NE 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 6 to 9 ft. .WED NIGHT...E winds 15 to 25 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 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...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...NE winds 10 to 20 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 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 20 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 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...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 15 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...E winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Gale-force winds ahead and behind a cold front over the offshore waters N of 27N and W of 67W will continue through about noon today when the front is forecast to extend from 31N72W to central Cuba. Afterward, fresh to strong southerly winds and rough seas to 11 ft will continue ahead of the front through this evening. The front is forecast to stall W of Bermuda to central Cuba Tue morning, before retreating back towards the NW Bahamas and the Straits of Florida on Wed. The pressure gradient between very strong high pressure north of the area and lower pressure associated with the frontal boundary will lead to the development of strong to near-gale force NE to E winds and building seas over the central and northern Bahamas offshore waters Tue and Wed, and over the Florida offshore waters Wed through Fri night. Gale or gust to gale-force winds are possible over the Florida and Bahamas offshore waters Wed through Fri. ATLC waters from 27N to 31N W of 77W .TODAY...NW winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft. .WED...NE winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 20 to 30 kt. Seas 8 to 12 ft. .THU...NE winds 25 to 30 kt. Seas 10 to 14 ft. .THU NIGHT...NE winds 25 to 30 kt. Seas 13 to 16 ft. .FRI...E winds 20 to 30 kt. Seas 11 to 16 ft. .FRI NIGHT...E winds 20 to 30 kt. Seas 10 to 15 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE WARNING... .TODAY...SW winds 15 to 35 kt W of 70W, and SE 15 to 25 kt elsewhere. Seas 8 to 11 ft W of 70W, and 7 to 9 ft elsewhere. .TONIGHT...S winds 10 to 20 kt, shifting to E after midnight. Seas 7 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 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .THU...NE winds 20 to 30 kt. Seas 9 to 14 ft. .THU NIGHT...NE winds 20 to 30 kt. Seas 11 to 16 ft. .FRI...NE winds 15 to 25 kt. Seas 11 to 16 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 9 to 14 ft. Bahamas N of 22N .TODAY...S winds 10 to 15 kt, shifting to N in the afternoon. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 15 to 25 kt. 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 15 to 25 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...W of 70W, SE winds less than 10 kt, shifting to E after midnight. Elsewhere, SE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .WED...E winds 10 to 20 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .THU...NE winds 10 to 20 kt. Seas 8 to 12 ft. .THU NIGHT...NE winds 20 to 25 kt. Seas 10 to 15 ft. .FRI...E winds 20 to 30 kt. Seas 11 to 16 ft. .FRI NIGHT...E winds 20 to 25 kt. Seas 12 to 16 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 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 8 to 11 ft. .THU...E winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 15 to 20 kt. Seas 8 to 11 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 9 to 11 ft. .TUE...NE winds 15 to 25 kt. Seas 9 to 12 ft. .TUE NIGHT...NE winds 20 to 25 kt. Seas 10 to 14 ft. .WED...NE winds 20 to 25 kt. Seas 11 to 14 ft. .WED NIGHT...NE winds 20 to 25 kt. Seas 12 to 14 ft. .THU...NE winds 15 to 20 kt. Seas 10 to 13 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 9 to 11 ft. .FRI...NE winds 10 to 20 kt. Seas 8 to 9 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 10 ft.