964 FZNT31 KNHC 180838 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 438 AM EDT Tue Oct 18 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...Gentle to moderate trade winds and slight to moderate seas are expected across most of the Caribbean during the next several days. A cold front is forecast to reach from western Cuba to the Yucatan Channel and to along the northern Yucatan Peninsula by Thu morning followed by moderate to fresh northerly winds with moderate seas. The front will extend from central Cuba to the Gulf of Honduras by Thu afternoon, then stall while gradually weakening Fri through Sat night. NW Caribbean W of 85W .TODAY...E winds less than 10 kt. Seas 2 to 3 ft. .TONIGHT...E winds less than 10 kt. Seas 2 to 3 ft. .WED...NE winds less than 10 kt. Seas 2 to 3 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 5 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...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...E winds less than 10 kt. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .THU...E winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. .FRI...NE winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NE winds 10 to 15 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 15 kt within 90 nm of coast of Colombia, and E less than 10 kt elsewhere. Seas 2 to 3 ft. .TONIGHT...E winds 10 to 15 kt within 90 nm of coast of Colombia, and E less than 10 kt elsewhere. Seas 2 to 3 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...Within 90 nm of coast of Colombia, E winds 10 to 15 kt. Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...E winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 2 to 3 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TODAY...W winds less than 10 kt. Seas 3 ft. .TONIGHT...W winds less than 10 kt. Seas 3 ft. .WED...SW winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...NW winds less than 10 kt. Seas 2 ft or less. .THU...W winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...W winds less than 10 kt. Seas 2 ft or less. .FRI...W winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .FRI NIGHT...NW winds less than 10 kt. Seas 3 ft. .SAT...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .SAT NIGHT...Variable 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 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...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 less than 10 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...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 less than 10 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TODAY...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. .WED...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...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 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A strong cold front just offshore the Georgia coast will reach from near 31N77W to Vero Beach, Florida this morning, then from near 31N72W to the NW Bahamas and the Florida Keys by Wed morning, and from near Bermuda to the central Bahamas and western Cuba by Thu morning. Fresh to strong south to southwest winds will precede the front north and northeast of the Bahamas today. Moderate to fresh north to northeast winds will follow the front. Seas will build to 8 ft in the wake of the front. Expect scattered showers and thunderstorms, some possibly strong, ahead of the front. A coastal trough is expected to develop east of northern and central Florida starting on Fri. Low pressure may develop from the trough late Fri and lift northwest of the area Sat and Sat night. As a result of this feature, northerly winds are expected to increase over the northwest part of the area Sat and Sat night. ATLC waters from 27N to 31N W of 77W .TODAY...W winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .WED...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...N winds 10 kt. Seas 3 to 4 ft. .FRI...N winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...S winds 10 to 20 kt. Seas 5 to 7 ft W of 70W, and 3 to 4 ft elsewhere. .TONIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .WED...SW winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N to NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. .FRI...SW winds less than 10 kt, shifting to N in the afternoon. Seas 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT...E winds 10 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Bahamas N of 22N .TODAY...SW winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SW winds less than 10 kt. Seas 2 ft or less. .WED...SW winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...NW to N winds 10 to 15 kt. Seas 2 to 4 ft. .THU...W winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...NW winds less than 10 kt. Seas 2 ft or less. .FRI...NW winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...NE 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 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...SE winds 10 kt. Seas 3 to 4 ft. .TONIGHT...S winds 10 kt. Seas 3 to 4 ft. .WED...S winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .THU...S winds 10 kt. Seas 3 to 4 ft. .THU NIGHT...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 10 to 15 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds less than 10 kt. Seas 2 ft or less. .TONIGHT...SE winds less than 10 kt. Seas 2 to 3 ft. .WED...SE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .THU...SE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...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 10 to 15 kt. Seas 3 to 4 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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU NIGHT...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 6 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.