787 FZNT31 KNHC 071507 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1107 AM EDT Wed May 7 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, fresh to strong speeds nightly through Fri night. Winds will pulse to fresh nightly near the Windward Passage. Gentle to moderate trades and slight to moderate seas are expected over the remainder of the basin through Fri, including in the Tropical N Atlantic, before increasing slightly this weekend. Winds will start to increase to fresh in the central Caribbean and off Colombia Fri night, then to fresh to strong speeds Sat through the remainder of the upcoming weekend as the pressure gradient tightens. Unsettled weather is expected to continue over the eastern Caribbean through at least Thu. NW Caribbean W of 85W .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. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 5 ft. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 to 4 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...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 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...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 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...E winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. SW Caribbean S of 11N .THIS AFTERNOON...Variable winds less than 10 kt. Seas 3 ft. .TONIGHT...Variable winds less than 10 kt. Seas 3 ft. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...NE winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .FRI...E winds less than 10 kt. Seas 3 ft. .FRI NIGHT...NE winds less than 10 kt. Seas 3 ft. .SAT...NE winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .SUN...NE winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...N winds 10 to 15 kt. Seas 5 to 7 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds less than 10 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 ft. .THU...Gulf of Venezuela, E winds 10 to 15 kt, shifting to S in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...Gulf of Venezuela, NE winds less than 10 kt, shifting to E after midnight. Elsewhere, 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 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. 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 10 to 15 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN 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 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 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 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...The pressure gradient between a low pressure centered near 27N65W with associated trough and high pressure centered over the central Atlantic is supporting fresh to locally strong northeast winds and moderate to rough seas north and northeast of the low center. These marine conditions will continue to affect the NE waters on Thu before diminishing by Fri. The low pressure will meander between 65W and 70W over the next couple of days, and open up into a trough by early Sat. A stationary front along and just offshore the southeastern U.S. coast will gradually lift back northwest as warm front on Thu, then may slowly push offshore again at the end of the week and into the upcoming weekend. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...S winds less than 10 kt. Seas 3 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 ft. .THU...SW winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt, shifting to S after midnight. Seas 3 to 4 ft. .FRI...SW winds less than 10 kt. Seas 4 ft. .FRI NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...Variable winds less than 10 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft W of 70W, and 7 to 10 ft elsewhere. .TONIGHT...NE winds less than 10 kt W of 70W, and NE 10 to 20 kt elsewhere. Seas 4 to 6 ft W of 70W, and 7 to 9 ft elsewhere. .THU...N winds less than 10 kt W of 70W, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .FRI...SE winds less than 10 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .SAT...SE winds less than 10 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...E winds less than 10 kt. Seas 2 ft or less. .TONIGHT...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, increasing to 10 to 15 kt after midnight. Seas 3 ft. .FRI...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft. .SAT...SE winds 10 to 15 kt. Seas 3 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .SUN...E winds 10 to 15 kt. Seas 3 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...NE winds less than 10 kt W of 70W, and N 10 to 15 kt elsewhere. Seas 4 to 6 ft. .TONIGHT...N winds 10 to 15 kt. Seas 4 to 6 ft. .THU...N winds less than 10 kt. Seas 5 to 7 ft. .THU NIGHT...W of 70W, NE winds 10 to 15 kt. Elsewhere, NW winds less than 10 kt, shifting to S after midnight. Seas 4 to 6 ft. .FRI...NE winds less than 10 kt. Seas 4 to 5 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 4 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. .SUN...E winds 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...NE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .THU...NE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...NE winds 10 to 15 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 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds less than 10 kt. Seas 4 to 5 ft. .TONIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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. .SUN...E winds 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 15 to 20 kt. Seas 6 to 7 ft.