000 FZNT31 KNHC 200917 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 517 AM EDT Thu Oct 20 2022 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 cold front extends from east-central Cuba to inland southern Belize. The front will reach from east-central Cuba to the Gulf of Honduras on Thu, then become stationary on Fri as low pressure develops along the frontal boundary northeast of the NW Bahamas. Moderate to fresh northerly winds with moderate seas will follow the front. The front will remain stationary on Sat while gradually weakening. Elsewhere, gentle to moderate trade winds and slight to moderate seas are expected during the next several days. NW Caribbean W of 85W .TODAY...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 ft. .MON...E winds less than 10 kt. Seas 3 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...S of 18N, E winds less than 10 kt. Elsewhere, NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 ft. .FRI...E winds less than 10 kt S of 18N, and NE 10 to 15 kt elsewhere. Seas 3 ft. .FRI NIGHT...NE winds less than 10 kt S of 18N, and NE 10 to 15 kt elsewhere. Seas 2 to 3 ft.. .SAT...NE winds 10 to 15 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SUN...E winds 10 to 15 kt. Seas 2 ft or less. .SUN NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .MON...E winds 10 to 15 kt. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...Within 90 nm of coast of Colombia, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, NE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .SAT...E winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TODAY...NE winds less than 10 kt. Seas 3 ft. .TONIGHT...Variable winds less than 10 kt, becoming N less than 10 kt after midnight. Seas 3 ft. .FRI...NW winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .FRI NIGHT...N winds less than 10 kt. Seas 3 ft. .SAT...NE winds less than 10 kt. Seas 3 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .SUN...Variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .MON...Variable winds less than 10 kt, becoming W less than 10 kt in the afternoon. Seas 2 ft or less. .MON NIGHT...W winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 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 3 to 5 ft. .FRI...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...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 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from 31N70W to the central Bahamas and to central Cuba will become stationary from near 31N69W to 27N75W and to central Cuba this afternoon and remain through Thu. Moderate to fresh north to northeast winds will follow the front. Scattered showers and thunderstorms are along and east of the front. Low pressure is forecast to develop Thu along the frontal boundary NE of the NW Bahamas. The low will lift just N of the area Fri through Sat night. The pressure gradient between the low and high pressure over the southeastern U.S. will allow for northeast winds over the waters north and northwest of the Bahamas to gradually strengthen to moderate to fresh speeds during the weekend. ATLC waters from 27N to 31N W of 77W .TODAY...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...N winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...N winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...N winds 10 kt. Seas 4 to 5 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...NE winds 10 to 20 kt W of 70W, and S less than 10 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...SE winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 4 to 6 ft. .FRI...W of 70W, S winds 10 to 15 kt, shifting to NE in the afternoon. Elsewhere, S winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 4 to 6 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .SUN...SE winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 4 to 5 ft. .MON...Variable winds less than 10 kt. Seas 4 to 5 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 4 to 5 ft. Bahamas N of 22N .TODAY...SE winds less than 10 kt, shifting to SW in the afternoon. Seas 2 ft or less. .TONIGHT...W winds less than 10 kt. Seas 2 ft or less. .FRI...NW winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...N winds less than 10 kt. Seas 2 ft or less. .SAT...NE winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .SUN...NE winds less than 10 kt. Seas 3 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 ft. .MON...NE winds less than 10 kt. Seas 3 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...S winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI...S winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .MON...E winds less than 10 kt. Seas 4 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 4 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. .FRI...E winds 10 to 15 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 kt. Seas 4 to 6 ft. .SUN...E winds 10 kt. Seas 5 to 6 ft. .SUN NIGHT...E winds 10 kt. Seas 5 ft. .MON...E winds 10 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 kt. Seas 4 to 5 ft.