000 FZNT31 KNHC 020330 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1030 PM EST Thu Feb 1 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...The pressure gradient across the central Caribbean will force fresh to locally strong northeast winds offshore Colombia tonight. Elsewhere, winds and seas are forecast to be relatively low through Sat. A cold front is forecast to enter the NW Caribbean Sun evening, preceded by fresh southerly winds to the W of 75W. Behind the front, strong to near gale force westerly winds will build across the Yucatan Channel and extreme NW Caribbean Mon and Mon night. NW Caribbean W of 85W ...GALE CONDITIONS POSSIBLE... .TONIGHT...NE winds less than 10 kt. Seas 3 ft. .FRI...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NW winds 15 to 25 kt. Seas 4 to 6 ft, building to 7 to 10 ft in the afternoon. .MON NIGHT...NW winds 20 to 30 kt. Seas 8 to 11 ft, building to 9 to 14 ft after midnight. .TUE...NW winds 15 to 25 kt. Seas 8 to 13 ft, subsiding to 7 to 10 ft in the afternoon. .TUE NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean N of 15N between 72W and 85W ...GALE CONDITIONS POSSIBLE... .TONIGHT...S of 18N, N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, NE winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds less than 10 kt. Seas 3 to 4 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt, becoming E less than 10 kt after midnight. Seas 2 ft or less. .SAT...S of 18N, S winds less than 10 kt. Elsewhere, E winds less than 10 kt, shifting to SE in the afternoon. Seas 2 ft or less. .SAT NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .SUN...S winds 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON...W winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...W winds 20 to 30 kt. Seas 8 to 11 ft. .TUE...NW winds 15 to 25 kt. Seas 8 to 13 ft. .TUE NIGHT...NW winds 10 to 20 kt. Seas 8 to 11 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...Within 90 nm of coast of Colombia, NE winds 10 to 15 kt. Elsewhere, NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt within 90 nm of coast of Colombia, and NE less than 10 kt elsewhere. Seas 3 to 4 ft. .SAT...NE winds 10 kt within 90 nm of coast of Colombia, and Variable less than 10 kt elsewhere. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SUN...SE winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...S winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .MON...SW winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...W winds less than 10 kt, becoming NW 10 to 20 kt after midnight. Seas 2 ft or less, building to 3 ft after midnight. .TUE...NW winds 15 to 25 kt. Seas 3 to 4 ft, building to 5 to 7 ft in the afternoon. .TUE NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .TONIGHT...N winds 10 to 20 kt. Seas 5 to 6 ft. .FRI...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 ft. .SAT NIGHT...E winds less than 10 kt. Seas 2 ft or less. .SUN...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .MON...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming W less than 10 kt after midnight. Seas 2 ft or less. .TUE...NW winds 10 to 20 kt. Seas 2 ft or less, building to 3 to 4 ft in the afternoon. .TUE NIGHT...N winds 15 to 25 kt. Seas 4 to 6 ft, building to 6 to 9 ft after midnight. Caribbean between 64W and 72W .TONIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and NE less than 10 kt elsewhere. Seas 3 ft. .FRI...NE winds 10 to 20 kt Gulf of Venezuela, and NE less than 10 kt elsewhere. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt Gulf of Venezuela, and E less than 10 kt elsewhere. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt Gulf of Venezuela, and E less than 10 kt elsewhere. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SUN...SE winds less than 10 kt. Seas 3 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...S winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...SW winds less than 10 kt. Seas 4 to 6 ft. .FRI...W winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 5 to 7 ft. .SAT...SW winds less than 10 kt. Seas 5 to 7 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 4 to 6 ft. .SUN...S winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds less than 10 kt. 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 5 to 7 ft. .TUE NIGHT...S 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...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Low pressure W of Bermuda will strengthen as it moves ESE along and just N of 31N through Fri, before lifting NE away from area waters. Strong to gale force cyclonic winds and rough to very rough seas will accompany this broad low pressure for waters north of 24N into Fri. Another cold front will move southeastward across northern waters Fri night into Sat night, bringing fresh to strong west winds on both sides of the front north of 28N into Sun. Low pressure and a new frontal system will move across the northwest waters Mon through Tue night. Strong to near gale force winds will be possible with this system. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE... .TONIGHT...NW winds less than 10 kt. Seas 6 to 9 ft. .FRI...W winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .FRI NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...N winds 10 to 15 kt, shifting to NE in the afternoon. Seas 4 to 6 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 15 to 25 kt. Seas 7 to 10 ft. .MON...N winds less than 10 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 20 kt, becoming N 25 to 35 kt after midnight. Seas 7 to 10 ft, building to 9 to 14 ft after midnight. .TUE...N winds 25 to 35 kt. Seas 13 to 18 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 15 to 19 ft. ATLC waters from 27N to 31N between 65W and 77W ...GALE CONDITIONS POSSIBLE... .TONIGHT...W of 70W, N winds 10 to 20 kt, diminishing to less than 10 kt after midnight. Elsewhere, N winds 20 to 30 kt, diminishing to 10 to 20 kt after midnight. Seas 8 to 13 ft W of 70W, and 13 to 18 ft elsewhere. .FRI...W of 70W, NW winds less than 10 kt, shifting to W in the afternoon,Seas 8 to 11 ft. Elsewhere, N winds 10 to 20 kt, becoming NW less than 10 kt in the afternoon,Seas 10 to 15 ft, subsiding to 8 to 12 ft in the afternoon. .FRI NIGHT...W of 70W, W winds 10 to 20 kt. Elsewhere, W winds less than 10 kt, becoming SW 10 to 20 kt after midnight. Seas 6 to 9 ft. .SAT...NW winds 10 to 20 kt W of 70W, and W 15 to 25 kt elsewhere. Seas 6 to 9 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...N winds 10 to 20 kt. Seas 6 to 9 ft. .SUN NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .MON...SE winds 10 to 20 kt. Seas 8 to 11 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 8 to 12 ft. .TUE...W winds 20 to 30 kt. Seas 10 to 14 ft, building to 12 to 17 ft in the afternoon. .TUE NIGHT...N winds 20 to 30 kt. Seas 14 to 19 ft. Bahamas N of 22N .TONIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .FRI...Variable winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 ft. .SUN...SE winds 10 to 20 kt. Seas 3 ft. .SUN NIGHT...SW winds 10 to 20 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 20 to 30 kt. Seas 5 to 7 ft. .TUE...W winds 20 to 30 kt. Seas 6 to 8 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...GALE CONDITIONS POSSIBLE... .TONIGHT...N winds 10 to 20 kt W of 70W, and NW 15 to 25 kt elsewhere. Seas 9 to 14 ft. .FRI...W of 70W, W winds less than 10 kt. Elsewhere, N winds 10 to 15 kt, shifting to NW in the afternoon. Seas 7 to 10 ft W of 70W, and 8 to 13 ft elsewhere. .FRI NIGHT...W of 70W, NW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, Variable winds less than 10 kt, becoming W less than 10 kt after midnight. Seas 8 to 11 ft. .SAT...W winds 10 to 15 kt. Seas 6 to 8 ft. .SAT NIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...W winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...S winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 7 to 10 ft. .TUE...SW winds 20 to 30 kt. Seas 9 to 13 ft. .TUE NIGHT...W winds 20 to 30 kt. Seas 11 to 14 ft, building to 12 to 17 ft after midnight. ATLC waters S of 22N W of 65W .TONIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...N winds less than 10 kt. Seas 5 to 7 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft. .SAT...NW winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .SUN...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds 10 to 15 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 8 to 11 ft. .TUE NIGHT...W winds 15 to 25 kt. Seas 8 to 11 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...W winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...NW winds 10 to 15 kt. Seas 7 to 10 ft. .FRI NIGHT...W winds less than 10 kt. Seas 7 to 9 ft. .SAT...W winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 7 to 9 ft. .SAT NIGHT...W winds less than 10 kt. Seas 6 to 8 ft. .SUN...SW winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .SUN NIGHT...SW winds less than 10 kt. Seas 4 to 5 ft. .MON...S winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...S winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...S winds 15 to 25 kt. Seas 8 to 11 ft.