421 FZNT31 KNHC 281433 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1033 AM EDT Mon Oct 28 2024 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 19N W of 55W, the N Atlantic from 19N to 31N W of 55W including the 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 W of 55W .SYNOPSIS...A broad area of low pressure is likely to develop over the southwestern Caribbean Sea in a few days. Gradual development is possible thereafter, and a tropical depression could form late this week or over the weekend while the system begins to drift northward or northeastward over the southwestern and central Caribbean Sea. In the meantime, strengthening high pressure north of the area combined with the Colombian low will support fresh to strong trade winds and rough seas across the south-central Caribbean through tonight. Fresh winds and moderate seas will continue in this area through Wed. Fresh to strong NE to E winds are also expected in the lee of Cuba, the Windward Passage, and south of Cuba most of the week. NW Caribbean W of 85W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt S of 18N, and NE 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 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 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED...E winds 10 to 15 kt. Seas 4 to 6 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 20 kt. Seas 4 to 6 ft. .FRI...NE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 7 to 10 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...NW winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...W winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NW winds less than 10 kt, shifting to N after midnight. Seas 3 to 5 ft. .WED...NE winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt, becoming SW 10 to 20 kt after midnight. Seas 3 to 5 ft. .THU...SW winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SW winds 15 to 25 kt. Seas 4 to 6 ft. .FRI...SW winds 20 to 30 kt. Seas 6 to 8 ft. .FRI NIGHT...W winds 20 to 30 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...SE winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .TUE...NE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .THU...E winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .FRI NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 8 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .WED...E winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .THU...E winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front extends from a 1012 mb low pressure located near 25N55W to the Windward Passage. Strengthening high pressure in the wake of the front will push the front eastward as a cold front, reaching from 31N45W to near the Leeward Islands by Tue evening. The high pressure will bring an extended period of strong winds and rough seas late today through Thursday. Peak seas of 12 or 13 ft are expected E of the Bahamas Wed through Thu. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...E winds 20 to 25 kt. Seas 7 to 10 ft. .WED...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .THU...E winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 15 kt. Seas 6 to 9 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...NE winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 12 ft. .WED...NE winds 20 to 25 kt. Seas 9 to 12 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .THU...E winds 15 to 20 kt. Seas 8 to 12 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 8 to 11 ft. .FRI...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. Bahamas N of 22N .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .WED...E winds 15 to 25 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .THU...E winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...E winds 10 to 20 kt. Seas 6 to 8 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...NE winds 15 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. .WED...NE winds 20 to 25 kt. Seas 8 to 12 ft. .WED NIGHT...NE winds 15 to 25 kt. Seas 10 to 12 ft. .THU...E winds 15 to 25 kt. Seas 11 to 12 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 10 to 12 ft. .FRI...E winds 15 to 25 kt. Seas 9 to 12 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 9 to 12 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 20 kt. Seas 5 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI...E winds 15 to 25 kt. Seas 8 to 11 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...NE winds less than 10 kt. Seas 5 to 6 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .WED...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...NE winds 10 to 20 kt. Seas 7 to 10 ft. .THU...E winds 10 to 20 kt. Seas 8 to 11 ft. .THU NIGHT...E winds 15 to 25 kt. Seas 8 to 12 ft. .FRI...E winds 15 to 25 kt. Seas 9 to 12 ft. .FRI NIGHT...E winds 15 to 25 kt. Seas 8 to 13 ft.