143 FZNT31 KNHC 191352 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 852 AM EST Tue Dec 19 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...A stationary front extends across the Windward Passage to near 10N77W. Fresh to strong N winds and seas to 10 ft follow the front. High pressure will build SE across the western Atlantic tonight through Fri. This will force the N portion of the front to drift SE across Hispaniola today and Wed before gradually dissipating Wed night. Fresh to strong N winds behind the front will become N to NE tonight through Wed then veer NE Wed night through Thu night, with strongest winds in the lee of Cuba and through the Windward Passage. At the same time, fresh trades are expected in the south-central Caribbean, including the Gulf of Venezuela, increasing to strong each night. NW Caribbean W of 85W .TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 15 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 5 to 7 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...N winds 15 to 25 kt S of 18N, and N 10 to 20 kt elsewhere. Seas 6 to 8 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. 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 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. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .TODAY...NE winds 10 kt within 90 nm of coast of Colombia, and N 15 to 25 kt elsewhere. Seas 4 to 5 ft within 90 nm of coast of Colombia, and 6 to 9 ft elsewhere. .TONIGHT...NE winds 10 to 15 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 5 to 6 ft within 90 nm of coast of Colombia, and 6 to 9 ft elsewhere. .WED...NE winds 10 to 20 kt. Seas 5 to 6 ft within 90 nm of coast of Colombia, and 6 to 9 ft elsewhere. .WED NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 8 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 9 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TODAY...N winds 10 to 20 kt. Seas 7 to 10 ft. .TONIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .WED...N winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 6 to 8 ft. .THU...N winds 10 to 15 kt. Seas 6 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 6 to 7 ft. .FRI...NE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...Gulf of Venezuela, NE winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Gulf of Venezuela, seas 2 ft or less, building to 3 ft in the afternoon. Elsewhere, seas 4 to 5 ft. .WED NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and NE 10 to 15 kt elsewhere. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE 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. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 7 to 10 ft. .TONIGHT...E winds less than 10 kt. Seas 7 to 10 ft. .WED...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds less than 10 kt. Seas 6 to 9 ft. .THU...NE winds less than 10 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds less than 10 kt. Seas 6 to 8 ft. .FRI...E winds less than 10 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds less than 10 kt. Seas 6 to 8 ft. .SAT...E winds less than 10 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .TONIGHT...E winds less than 10 kt. Seas 6 to 8 ft. .WED...E winds less than 10 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 9 ft. .THU...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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 5 to 7 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extends from 31N69W through the Windward Passage. Strong SE to S winds are N of 27N and E of front to 62W. Behind the front, fresh strong NW winds are noted N of 28N and W of 74W. Strong high pressure will build into the western Atlantic behind the front tonight through early Thu to produce fresh to strong winds, gradually diminishing to moderate to fresh Thu night and Fri. This will force the front to move SE and reach from 31N66W to Haiti this evening, from 31N61W to central Hispaniola Wed evening, and from 22N60W to NE Hispaniola Thu evening. Winds and seas will slowly subside Fri night and Sat as high pressure weakens. ATLC waters from 27N to 31N W of 77W .TODAY...N winds 15 to 25 kt. Seas 8 to 10 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 8 to 10 ft. .WED...NE winds 10 to 20 kt. Seas 8 to 10 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft. .THU...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 7 to 9 ft. .FRI...E winds 10 to 15 kt. Seas 7 to 9 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 7 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...NW winds 10 to 20 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 9 to 13 ft W of 70W, and 11 to 16 ft elsewhere. .TONIGHT...W of 70W, N winds 20 to 30 kt. Elsewhere, NW winds 10 to 20 kt, increasing to 20 to 30 kt after midnight. Seas 10 to 13 ft. .WED...N winds 20 to 30 kt. Seas 9 to 13 ft W of 70W, and 12 to 15 ft elsewhere. .WED NIGHT...N winds 15 to 25 kt. Seas 9 to 13 ft W of 70W, and 12 to 15 ft elsewhere. .THU...N winds 15 to 25 kt. Seas 9 to 13 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 9 to 12 ft. .FRI...NE winds 10 to 15 kt. Seas 8 to 11 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 8 to 10 ft. .SAT...NE winds 10 to 15 kt. Seas 8 to 10 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 7 to 9 ft. Bahamas N of 22N .TODAY...N winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .WED...NE winds 15 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .THU...NE winds 10 to 20 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...NE winds 10 to 20 kt. Seas 8 to 11 ft. .TONIGHT...W of 70W, N winds 15 to 25 kt. Elsewhere, E winds 10 to 15 kt, shifting to N 10 to 20 kt after midnight. Seas 8 to 12 ft. .WED...NE winds 20 to 30 kt W of 70W, and N 15 to 25 kt elsewhere. Seas 10 to 14 ft. .WED NIGHT...NE winds 20 to 25 kt W of 70W, and N 15 to 25 kt elsewhere. Seas 11 to 15 ft. .THU...NE winds 15 to 20 kt. Seas 11 to 13 ft. .THU NIGHT...NE winds 15 to 20 kt. Seas 10 to 12 ft. .FRI...NE winds 10 to 15 kt. Seas 9 to 10 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 9 ft. .SAT...NE winds 10 to 15 kt. Seas 9 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 8 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .WED...NE winds 10 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .THU...NE winds 10 to 20 kt. Seas 8 to 13 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...NE winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 9 to 14 ft. .TONIGHT...NE winds less than 10 kt. Seas 9 to 13 ft. .WED...NW winds less than 10 kt. Seas 10 to 12 ft. .WED NIGHT...NW winds less than 10 kt. Seas 9 to 11 ft. .THU...NW winds less than 10 kt. Seas 8 to 10 ft. .THU NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 8 to 11 ft. .FRI...NE winds 10 to 15 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 8 to 9 ft. .SAT...NE winds 10 to 15 kt. Seas 8 to 9 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 8 to 9 ft.