000 FZNT31 KNHC 040410 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1210 AM EDT Thu Nov 4 2021 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 trough over the northwest Caribbean is weakening, allowing winds and seas to diminish. High pressure over the Atlantic is supporting moderate winds and seas over the eastern and central Caribbean. Fresh N winds and building seas will follow a a cold front moving through the Yucatan Channel Fri night. The front will reach from central Cuba to eastern Honduras Sat night, and from eastern Cuba to the coast of Nicaragua by late Sun. The front start to stall by Mon as it drifts eastward into the Windward Passage. NW Caribbean W of 85W .OVERNIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .FRI...NW winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...N winds less than 10 kt, shifting to NW after midnight. Seas 3 to 4 ft. .SAT...N winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...N winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 to 4 ft. .FRI...E winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. Seas 3 to 4 ft. .FRI NIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, S winds less than 10 kt, shifting to NE after midnight. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SAT...S of 18N, E winds 10 to 15 kt,Seas 3 to 5 ft. Elsewhere, SW winds less than 10 kt, shifting to W in the afternoon,Seas 2 ft or less, building to 3 ft in the afternoon. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...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 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 5 ft. SW Caribbean S of 11N .OVERNIGHT...NW winds less than 10 kt. Seas 3 ft. .FRI...Variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .SAT NIGHT...NW winds less than 10 kt. Seas 3 ft. .SUN...NW winds less than 10 kt. Seas 3 ft. .SUN NIGHT...NW winds less than 10 kt. Seas 3 ft. .MON...NW winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 3 to 5 ft elsewhere. .FRI...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 5 ft elsewhere. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 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 4 to 5 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 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 5 ft. .TUE...E winds less than 10 kt. Seas 3 to 5 ft. .TUE 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 .OVERNIGHT...E winds 10 to 20 kt. Seas 4 to 6 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 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 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...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...High pressure north of the area will support gentle to moderate NE to E winds through the early morning. Fresh to strong N to NE winds will follow a cold front moving into the waters off northeast Florida Thu night. A low will develop along the front by Fri evening and strong to near gale force are anticipated to develop over the waters off northeast Florida through Sat. Frequents gusts to gale force are possible Fri night off northeast Florida, then gale-force NW winds are expected on Sat. ATLC waters from 27N to 31N W of 77W ...GALE CONDITIONS POSSIBLE... .OVERNIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...SE winds 25 to 30 kt with frequent gusts to gale force. Seas 8 to 12 ft. .SAT...SW to W winds 25 to 35 kt. Seas 9 to 13 ft. .SAT NIGHT...W to NW winds diminishing to 20 to 30 kt. Seas 9 to 14 ft. .SUN...NW winds 20 to 30 kt. Seas 11 to 16 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 10 to 15 ft. .MON...N winds 15 to 25 kt. Seas 10 to 14 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 9 to 12 ft. .TUE...NE winds 10 to 20 kt. Seas 8 to 11 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...S winds less than 10 kt. Seas 3 to 5 ft. .FRI...W of 70W, N winds less than 10 kt, shifting to NE in the afternoon. Elsewhere, SW winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt W of 70W, and SE less than 10 kt elsewhere. Seas 5 to 7 ft W of 70W, and 3 to 4 ft elsewhere. .SAT...W of 70W, S winds 10 to 20 kt. Elsewhere, SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 6 to 9 ft W of 70W, and 4 to 5 ft elsewhere. .SAT NIGHT...S winds 10 to 20 kt. Seas 5 to 7 ft, building to 7 to 10 ft after midnight. .SUN...SW winds 15 to 25 kt. Seas 8 to 13 ft. .SUN NIGHT...W winds 15 to 25 kt. Seas 9 to 14 ft. .MON...W winds 20 to 30 kt. Seas 11 to 16 ft. .MON NIGHT...NW winds 20 to 30 kt. Seas 12 to 17 ft. .TUE...N winds 15 to 25 kt. Seas 10 to 15 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 8 to 13 ft. Bahamas N of 22N .OVERNIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...NW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft. .MON...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds less than 10 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 3 to 5 ft. .FRI...W of 70W, E winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 4 to 5 ft. .SAT...S winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...SW winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 6 to 8 ft. .MON...W winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas 8 to 11 ft. .TUE...N winds 10 to 15 kt. Seas 8 to 12 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 9 to 11 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...S winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .MON...W winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .TUE...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 kt. Seas 4 to 5 ft. .SUN...E winds 10 kt. Seas 4 ft. .SUN NIGHT...E winds 10 kt. Seas 4 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. .TUE...E winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft.