131 FZNT31 KNHC 101515 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1115 AM EDT Sat May 10 2025 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...Fresh to strong trade winds will occur across the central Caribbean, including through the Windward Passage, this weekend through early next week as a strong pressure gradient prevails between the Colombian low and building high pressure to the north. Periods of near-gale force winds will be possible offshore of northwestern Colombia and in the Gulf of Venezuela. Building rough seas will occur in tandem with the strong winds, with the highest seas expected near and to the west of the strongest winds. Elsewhere, fresh to strong SE winds will pulse in the Gulf of Honduras into early Sun. NW Caribbean W of 85W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...SE winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt, becoming NE 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 less than 10 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 8 ft S of 18N, and 3 to 5 ft elsewhere. .MON...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 20 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 20 to 30 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 6 to 9 ft. .SUN...E winds 20 to 30 kt. Seas 7 to 10 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 7 to 11 ft. .MON...E winds 20 to 30 kt. Seas 7 to 11 ft. .MON NIGHT...NE winds 20 to 30 kt. Seas 7 to 10 ft. .TUE...E winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .THIS AFTERNOON...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 7 ft. .SUN NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .MON...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 6 to 8 ft. .MON NIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 6 to 8 ft. .TUE...NE winds 10 to 15 kt. Seas 6 to 8 ft. .TUE NIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 6 to 8 ft. .WED...NE winds 10 to 15 kt, shifting to W in the afternoon. Seas 5 to 7 ft. .WED NIGHT...W winds less than 10 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 20 to 30 kt. Seas 4 to 6 ft. .TONIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SUN...Gulf of Venezuela, E winds 20 to 30 kt, diminishing to 10 to 20 kt in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .SUN NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .MON...E winds 20 to 30 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 20 to 25 kt. 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 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...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 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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 5 to 7 ft. .MON...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 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 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Moderate to locally fresh E to SE winds will develop offshore of Florida and north of the Greater Antilles tonight into Sun as the pressure gradient strengthens between high pressure in the western Atlantic and a complex low pressure system in the southeastern United States. Strong winds and locally rough seas are expected early next week offshore of central and northern Florida ahead of a cold front associated with the low pressure system. The cold front will enter the western Atlantic and lift northeastward by midweek. Elsewhere, pulsing moderate to fresh E to SE winds are expected east of 65W through Sun, on the periphery of high pressure in the central Atlantic. Moderate to fresh trade winds are then expected for areas south of 25N through the middle of next week. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 4 to 5 ft. .SUN...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...SE winds 15 to 25 kt. Seas 6 to 8 ft. .MON NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .TUE...SW winds 10 to 20 kt. Seas 6 to 8 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 5 to 7 ft. .WED...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...SW winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...S winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...W of 70W, Variable winds less than 10 kt, becoming E 10 to 15 kt after midnight. Elsewhere, SE winds less than 10 kt. Seas 4 to 5 ft. .SUN...E winds 10 to 15 kt W of 70W, and Variable less than 10 kt elsewhere. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. Seas 4 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .WED...S winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...S winds less than 10 kt, shifting to SW after midnight. Seas 4 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 3 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...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 15 to 20 kt. Seas 6 to 7 ft. .TUE...E winds 15 to 20 kt. Seas 6 to 7 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .WED...E winds 10 to 15 kt. Seas 6 to 7 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft.