000 FZNT31 KNHC 181558 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1058 AM EST Wed Nov 18 2020 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 will move into the Yucatan Channel later today and stall. Strong northerly winds, with frequent gusts to gale force N of 20N, and large seas are expected in the Gulf of Honduras through tonight. Hazardous seas will be possible across the approach to the Yucatan Channel behind the front as northerly wind waves mix with swell from Iota. NW Caribbean W of 85W ...GALE WARNING N OF 20N... .TODAY...E winds 15 to 25 kt. Frequent gusts to 35 kt N of 20N behind front. Seas 8 to 11 ft. .TONIGHT...E winds 15 to 25 kt. Frequent gusts to 35 kt N of 20N. Seas 8 to 11 ft. .THU...E winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 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. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W ..GALE WARNING N OF 20N... .TODAY...E winds 10 to 15 kt S of 18N, and NE 15 to 25 kt elsewhere. Frequent gusts to 35 kt N of 20N behind front. Seas 3 to 5 ft S of 18N, and 6 to 8 ft elsewhere. .TONIGHT...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Frequent gusts to 35 kt N of 20N. .THU...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 6 to 9 ft. .THU NIGHT...E winds 10 to 20 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 6 to 9 ft. .FRI...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...Variable winds less than 10 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...Variable winds less than 10 kt within 90 nm of coast of Colombia, and NE 10 to 15 kt elsewhere. Seas 3 to 4 ft within 90 nm of coast of Colombia, and 4 to 6 ft elsewhere. .THU...Within 90 nm of coast of Colombia, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 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 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. SW Caribbean S of 11N .TODAY...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...NW winds 10 to 15 kt, shifting to W after midnight. Seas 3 to 4 ft. .THU...W winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. .FRI...W winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 3 to 5 ft. .SAT...SW winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds less than 10 kt. Seas 3 to 5 ft. .SUN...SW winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 3 to 4 ft. Caribbean between 64W and 72W .TODAY...Variable winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU...E winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU NIGHT...E winds 15 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 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 6 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 20 kt. 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. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 9 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extending from 29N65W to the Straits of Florida will reach from 25N65W to central Cuba by tonight, then stall on Thu. The front will weaken and retreat W-NW for the end of the week into the weekend. Fresh to strong NE-E winds are expected across most the SW N Atlantic through Fri as the pressure gradient tightens in the wake of the front. Frequent gusts to gale force are forecast from 22N-27N tonight through Thu night. ATLC waters from 27N to 31N W of 77W .TODAY...NE winds 20 to 25 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 20 to 25 kt. Seas 8 to 10 ft. .THU...E winds 15 to 25 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .FRI...E winds 15 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 10 ft. .SAT...NE winds 15 to 20 kt. Seas 7 to 10 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .SUN...NE winds 10 to 20 kt. Seas 7 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...N winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 20 to 25 kt. Seas 8 to 11 ft. .THU...NE winds 15 to 25 kt. Seas 8 to 12 ft. .THU NIGHT...NE winds 15 to 25 kt. Seas 9 to 13 ft. .FRI...NE winds 15 to 25 kt. Seas 8 to 12 ft. .FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .SAT...NE winds 10 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 7 to 9 ft. Bahamas N of 22N ...GALE WARNING... .TODAY...NE winds 15 to 25 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 15 to 25 kt. Frequent gust to 35 kt. Seas 6 to 8 ft. .THU...NE winds 20 to 30 kt Frequent gusts to 35 kt. Seas 6 to 9 ft. .THU NIGHT...NE winds 20 to 30 kt. Seas 7 to 10 ft. .FRI...NE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. ATLC waters from 22N to 27N between 65W and the Bahamas ...GALE WARNING... .TODAY...NE winds 15 to 25 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft W of 70W, and 5 to 7 ft elsewhere. .TONIGHT...NE winds 20 to 30 kt W of 70W, and NE 15 to 25 kt elsewhere. Frequent gusts to 35 kt behind front. Seas 7 to 10 ft. .THU...NE winds 20 to 30 kt. Frequent gusts to 35 kt. Seas 8 to 13 ft. .THU NIGHT...NE winds 15 to 25 kt. Frequent gusts to 35 kt. Seas 10 to 13 ft. .FRI...E winds 15 to 25 kt. Seas 9 to 12 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 9 to 12 ft. .SAT...E winds 10 to 20 kt. Seas 8 to 11 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .SUN...E winds 10 to 15 kt. Seas 7 to 9 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 7 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 15 kt. Seas 6 to 8 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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 9 ft. .FRI NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .SAT...E winds 15 to 20 kt. Seas 8 to 9 ft. .SAT NIGHT...E winds 15 to 20 kt. Seas 8 to 9 ft. .SUN...E winds 10 to 15 kt. Seas 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 7 to 8 ft.