000 FZNT31 KNHC 040921 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 421 AM EST Sun Feb 4 2024 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 weak pressure gradient dominates the Caribbean Sea supporting relatively benign marine conditions. The pattern will change this afternoon as a cold front moves through the Yucatan Channel into the northwest Caribbean. Deep low pressure north of the area will support strong W to NW winds and rough to very rough seas in the wake of the front over the northwest Caribbean starting Sun night. Winds are forecast to reach gale force over the Yucatan Channel and the far northwest Caribbean by Mon afternoon, with seas building as high as 18 or 19 ft in the Yucatan Channel late on Mon. Strong winds and rough seas, behind the front, will reach the north-central and SW Caribbean, including also the waters between Cuba and Jamaica, and the Windward Passage Tue into Wed. NW Caribbean W of 85W ...GALE WARNING... .TODAY...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NW winds 25 to 35 kt. Seas 5 to 7 ft, building to 8 to 11 ft in the afternoon. .MON NIGHT...NW winds 25 to 35 kt. Seas 9 to 14 ft. .TUE...NW winds 15 to 25 kt. Seas 8 to 11 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft. .WED...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W ...GALE WARNING... .TODAY...S winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SW winds 10 to 20 kt S of 18N, and W 15 to 25 kt elsewhere. S of 18N, seas 3 to 5 ft. Elsewhere, seas 4 to 6 ft, building to 7 to 10 ft in the afternoon. .MON NIGHT...W winds 15 to 25 kt S of 18N, and W 25 to 35 kt elsewhere. S of 18N, seas 4 to 6 ft, building to 6 to 9 ft after midnight. Elsewhere, seas 8 to 13 ft. .TUE...NW winds 20 to 30 kt. Seas 8 to 13 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .WED...N winds 10 to 15 kt. Seas 5 to 7 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...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .TONIGHT...S winds less than 10 kt. Seas 2 ft or less. .MON...SW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt within 90 nm of coast of Colombia, and W 10 to 20 kt elsewhere. Seas 2 ft or less within 90 nm of coast of Colombia, and 3 to 4 ft elsewhere. .TUE...NW winds 15 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. .WED...N winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...N 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 3 to 5 ft. SW Caribbean S of 11N .TODAY...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...S winds less than 10 kt. Seas 2 ft or less. .MON...SW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 2 ft or less. .TUE...NW winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .WED...N winds 10 to 15 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 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean between 64W and 72W .TODAY...SE winds less than 10 kt. Seas 3 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt Gulf of Venezuela, and SE 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .MON NIGHT...Gulf of Venezuela, E winds less than 10 kt, shifting to W after midnight. Elsewhere, S winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .TUE...SW winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .WED...W winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...S winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .WED...S winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...S winds 10 to 20 kt. Seas 6 to 8 ft. .THU...SW winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 20 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 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from 31N55W to central Florida will lift north tonight ahead of a deep low pressure system moving through the northeastern Gulf. SE winds will increase and seas will build off the Florida east coast and across the Bahamas late today ahead of the low and associated cold front. These features will move between northeast Florida and Bermuda through the early part of the week bringing gale force winds and rough to very rough seas across the western Atlantic. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE TUE... .TODAY...SE winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...S winds 15 to 25 kt. Seas 6 to 9 ft. .MON...W winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds less than 10 kt, shifting to N after midnight. Seas 5 to 7 ft, building to 8 to 11 ft after midnight. .TUE...N winds 20 to 30 kt. Seas 11 to 16 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 12 to 17 ft. .WED...N winds 15 to 20 kt. Seas 10 to 13 ft. .WED NIGHT...NE winds 15 to 20 kt. Seas 8 to 10 ft. .THU...NE winds 10 to 15 kt. Seas 8 to 10 ft. .THU NIGHT...NE winds 10 kt in the evening, becoming variable winds less than 10 kt. Seas 7 to 9 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE TUE AND TUE NIGHT... .TODAY...N winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...W of 70W, E winds 10 to 20 kt. Elsewhere, NW winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 8 ft. .MON...W of 70W, SE winds 10 to 20 kt. Elsewhere, SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 6 to 8 ft. .MON NIGHT...S winds 15 to 25 kt W of 70W, and SE 10 to 20 kt elsewhere. Seas 7 to 10 ft. .TUE...SW winds 20 to 30 kt. Seas 10 to 15 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 11 to 16 ft. .WED...N winds 15 to 25 kt. Seas 11 to 14 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 11 to 16 ft. .THU...N winds 15 to 25 kt. Seas 10 to 15 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 10 to 15 ft. Bahamas N of 22N .TODAY...S winds 10 to 20 kt. Seas 3 ft. .TONIGHT...W winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 25 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 4 to 6 ft. .TUE...W winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. .WED...N winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...N winds 10 to 20 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. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...W of 70W, SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, W winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...W of 70W, S winds 10 to 20 kt. Elsewhere, SW winds less than 10 kt, becoming S 10 to 20 kt after midnight. Seas 4 to 6 ft. .MON...SW winds 10 to 20 kt W of 70W, and SW 15 to 25 kt elsewhere. Seas 6 to 9 ft. .MON NIGHT...SW winds 15 to 25 kt W of 70W, and SW 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TUE...SW winds 20 to 30 kt. Seas 7 to 10 ft, building to 8 to 13 ft in the afternoon. .TUE NIGHT...W winds 15 to 25 kt. Seas 10 to 15 ft. .WED...NW winds 15 to 25 kt. Seas 10 to 14 ft. .WED NIGHT...NW winds 15 to 20 kt. Seas 10 to 11 ft. .THU...NW winds 15 to 20 kt. Seas 9 to 13 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 10 to 13 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SW winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...SW winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...W winds 15 to 25 kt. Seas 7 to 10 ft. .WED...NW winds 15 to 25 kt. Seas 7 to 10 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 7 to 10 ft. .THU...N winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...W winds less than 10 kt, shifting to SW in the afternoon. Seas 4 to 6 ft. .TONIGHT...SW winds 10 kt. Seas 4 to 5 ft. .MON...S winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...S winds 15 to 25 kt. Seas 6 to 9 ft. .TUE NIGHT...S winds 15 to 25 kt. Seas 8 to 11 ft. .WED...SW winds 15 to 20 kt. Seas 7 to 10 ft. .WED NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. .THU...W winds 10 to 15 kt. Seas 7 to 9 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 7 to 9 ft.