000 FZNT31 KNHC 181138 AAA OFFN20 Marine Weather HF Voice Broadcast...Updated NWS National Hurricane Center Miami, FL 638 AM EST Sun Feb 18 2024 Updated synopsis for the Caribbean Sea and Tropical N Atlantic 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 gradient between high pressure centered over the central Atlantic and relatively lower pressure in Colombia is supporting fresh to strong trade winds and moderate to rough seas over the central Caribbean, which will change little into early next week. A cold front will move across the northwestern Caribbean today through Mon, and across the central Caribbean through the middle of next week while weakening. Fresh to locally strong northwest to north winds will follow the front. Rough seas are expected in and near the Yucatan Channel tonight, thereafter, gradually subside. NW Caribbean W of 85W .TODAY...W winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...NW winds 10 to 20 kt. Seas 6 to 8 ft. .MON...NW winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 10 to 20 kt. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON...N winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED...N winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 8 ft. .MON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 5 to 7 ft. .WED...N winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .THU...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TODAY...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .MON...N winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...N winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...N winds 10 to 20 kt. Seas 6 to 8 ft. .WED...N winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...N winds 10 to 20 kt. Seas 6 to 9 ft. .THU...N winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .TODAY...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .TONIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 9 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED...E winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 4 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 15 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 8 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...S winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E to SE 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 6 to 9 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Low pressure of 1010 mb is near 30N74W, with a cold front extending to the NW Bahamas and to South Florida. The cold front will become stationary this morning from near 31N67W to the NW Bahamas, to South Florida and to low pressure in the eastern Gulf of Mexico. The low near 30N74W will lift north of 31N this morning. The low over the eastern Gulf of Mexico will track east-northeastward along the stationary front to over South Florida today, reaching the western Atlantic waters near the NW Bahamas tonight. It is expected to deepen a little. Fresh to strong winds will continue near and to the northwest of the frontal boundary along with rough seas, with the potential for more widespread strong and near gale force winds near the track of the low pressure. A broad area of fresh to strong northwest winds will over the waters northeast of the Bahamas Wed and Wed night. These winds will shift to the northeast part of the area Thu and Thu night as fresh southwest to west develop over the waters northeast of northern Florida in advance of the next frontal system. ATLC waters from 27N to 31N W of 77W .TODAY...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NE winds 20 to 30 kt. Seas 6 to 9 ft. .MON...N winds 20 to 30 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 15 to 20 kt. Seas 7 to 10 ft. .TUE...N winds 15 kt. Seas 6 to 8 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 6 to 7 ft. .WED...N winds 15 to 20 kt. Seas 6 to 7 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 6 to 7 ft. .THU...W winds 10 to 15 kt. Seas 5 to 7 ft. .THU NIGHT...SW winds 15 to 25 kt. Seas 5 to 7 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...S winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...S winds 15 to 25 kt W of 70W, and S 10 to 20 kt elsewhere. Seas 6 to 9 ft. .MON...SW winds 15 to 25 kt W of 70W, and S 15 to 25 kt elsewhere. Seas 7 to 9 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 7 to 10 ft. .TUE...NW winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NW winds 10 to 15 kt. Seas 6 to 9 ft. .WED...NW winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 8 to 13 ft. .THU...NW winds 10 to 20 kt. Seas 8 to 12 ft. .THU NIGHT...W winds 10 to 15 kt. Seas 8 to 11 ft. Bahamas N of 22N .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .MON...W winds 10 to 20 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...NW winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .WED...N winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...S winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. .MON...S winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...SW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...W winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NW winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...NW winds 10 to 20 kt. Seas 6 to 9 ft. .THU...NW winds 10 to 15 kt. Seas 7 to 9 ft. .THU NIGHT...NW to N winds 10 to 15 kt. Seas 7 to 9 ft. ATLC waters S of 22N W of 65W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt, shifting to W after midnight. Seas 3 to 5 ft. .WED...NW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...N to NE 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 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .WED...SE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 6 to 8 ft. .THU...SW winds 10 to 20 kt. Seas 6 to 8 ft. .THU NIGHT...NW winds 10 to 15 kt. Seas 6 to 8 ft.