657 FZNT31 KNHC 170339 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1139 PM EDT Fri May 16 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 locally strong E to SE winds will pulse in the Gulf of Honduras late in the afternoons and at night through midweek next week. Moderate to fresh trades along with moderate seas over the south-central basin will continue through Sat morning. Similar conditions are expected in the lee of Cuba and near the Windward Passage for the rest of tonight and Sat night. Moderate to fresh trades and rough seas will persist over the Atlantic waters near and east of the Lesser Antilles through Sun night. On Sun night, increasing trades along with building seas are expected across the eastern basin, which will then shift westward across the central and southwestern basin through the middle of next week. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 20 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 3 to 5 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...S of 18N, E winds 10 to 15 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 5 ft. .SUN...S of 18N, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...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 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .MON...E winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...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 20 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. SW Caribbean S of 11N .OVERNIGHT...Variable winds less than 10 kt, becoming W less than 10 kt after midnight. Seas 3 to 4 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 ft. .SUN...Variable winds less than 10 kt. Seas 3 ft. .SUN NIGHT...Variable winds less than 10 kt. Seas 3 ft. .MON...Variable winds less than 10 kt, becoming E less than 10 kt in the afternoon. Seas 2 ft or less. .MON NIGHT...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...NE winds less than 10 kt. Seas 2 ft or less. .WED...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT...Gulf of Venezuela, 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. Elsewhere, E winds 10 to 15 kt,Seas 4 to 5 ft. .SAT NIGHT...E winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 5 ft elsewhere. .SUN...NE winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 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...E winds 10 to 15 kt. Seas 4 to 6 ft. .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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 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 15 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 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. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 to 8 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 4 to 6 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A weakening cold front will stall just north of 31N and west of 70W, bringing moderate to locally fresh SW winds north of 28N from Sat evening through late Mon. A broad high pressure over the central Atlantic extending westward across Florida will support gentle winds south of 28N. In the long term, fresh southwesterly winds and building seas are expected to develop east of northeastern Florida and northeast of the Bahamas near midweek next week, in response to another cold front moving off the southeastern U.S. Moderate to fresh NE to E winds will pulse north of Hispaniola and in the Windward Passage each night into next week. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...S winds 10 kt. Seas 3 to 4 ft. .SAT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds less than 10 kt, shifting to S after midnight. Seas 3 to 4 ft. .SUN...SW winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds less than 10 kt, shifting to S after midnight. Seas 3 ft. .MON...SW winds less than 10 kt. Seas 3 ft. .MON NIGHT...S winds less than 10 kt. Seas 3 ft. .TUE...SW winds 10 kt. Seas 3 ft. .TUE NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. .WED...SW winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .SAT...SW winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 3 to 4 ft. .SUN...SW winds 10 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. .MON...SW winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...W winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...W winds less than 10 kt, shifting to SW after midnight. Seas 4 to 6 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. Bahamas N of 22N .OVERNIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .SAT NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .SUN...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 2 ft or less. .SUN NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. .MON...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .MON NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 2 ft or less. .TUE...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .TUE NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. .WED...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...E winds 10 kt. Seas 3 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...SE winds 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .MON...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 to 4 ft. .TUE...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 to 4 ft. .WED...S winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. 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 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .MON...SE winds 10 kt. Seas 5 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. .TUE...SE winds less than 10 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .WED...E winds 10 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 4 ft.