513 FZNT31 KNHC 050756 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 356 AM EDT Mon May 5 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...Moderate to fresh east to southeast winds will pulse north of Honduras, increasing to fresh to strong speeds nightly starting Tue night. Unsettled weather is expected to continue over most of the eastern Caribbean well into the week. Gentle to moderate trades and slight to moderate seas are expected over the remainder of the basin through the period, including in the Tropical N Atlantic, pulsing to fresh nightly near the Windward Passage starting tonight. NW Caribbean W of 85W .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S of 18N, E winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...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 ft. .FRI...E winds 10 to 15 kt. Seas 3 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .THU...E winds 10 to 15 kt. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. .FRI...E winds 10 to 15 kt. Seas 3 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. SW Caribbean S of 11N .TODAY...Variable winds less than 10 kt. Seas 2 ft or less. .TONIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .TUE...Variable winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .THU...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 2 ft or less. .THU NIGHT...S winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .FRI...Variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .TODAY...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 ft. .THU...E winds less than 10 kt. Seas 3 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. .FRI...E winds 10 to 15 kt. Seas 3 ft. .FRI 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 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .TUE...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...E winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 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 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 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. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...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 less than 10 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 5 ft. .FRI...E winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...The pressure gradient between a trough that extends from 27N59W to 20N56.5W and a ridge of high pressure over the western Atlantic is supporting fresh to locally strong northeast winds and moderate seas north east of the axis. These conditions will gradually shift westward through the early part of the week as the trough drifts westward. A stationary front along the southeastern U.S. coast will gradually lift back northwest as warm front through the middle of the week, then may slowly push offshore again at the end of the week. Expect scattered to numerous showers and thunderstorms over the western waters into the early part of the week. ATLC waters from 27N to 31N W of 77W .TODAY...S winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .TUE...S winds 10 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .WED...S winds 10 kt. Seas 3 ft. .WED NIGHT...S winds less than 10 kt. Seas 3 ft. .THU...W winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .FRI...S winds less than 10 kt. Seas 4 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 4 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 ft W of 70W, and 5 to 7 ft elsewhere. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft W of 70W, and 6 to 9 ft elsewhere. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU...E winds less than 10 kt, shifting to NW in the afternoon. Seas 5 to 7 ft. .THU NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .FRI...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 4 to 5 ft. .FRI NIGHT...S winds less than 10 kt. Seas 3 to 5 ft. Bahamas N of 22N .TODAY...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 2 ft or less, building to 3 ft after midnight. .THU...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .THU NIGHT...E winds less than 10 kt. Seas 3 ft. .FRI...SE winds less than 10 kt. Seas 3 ft. .FRI NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft in the evening, subsiding to 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 5 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 4 ft. .TUE...NE winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .WED...N winds less than 10 kt. Seas 4 to 6 ft. .WED NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .THU...N winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds less than 10 kt. Seas 4 to 5 ft. .FRI...E winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 5 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...NE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .THU...NE 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. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds less than 10 kt. Seas 4 ft. .TONIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .TUE...E winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .WED...SE winds less than 10 kt. Seas 4 to 5 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .THU...SE winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft.