809 FZNT31 KNHC 041526 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1126 AM EDT Mon Sep 4 2023 Marine Weather HF Voice Broadcast for the Tropical N Atlantic from 07N to 22N between 55W and 64W, the SW N Atlantic S of 31N W of 65W including 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 between 55W and 64W .SYNOPSIS...Moderate to fresh trade winds and moderate seas will continue in the central and eastern Caribbean the entire forecast period, except for developing fresh to strong winds in the south-central waters Tue night into Wed. Gentle to locally moderate winds and slight seas will prevail elsewhere. Looking ahead, a tropical wave located several hundred nm SW of the Cabo Verde Islands is likely to become a tropical cyclone within the next 48 hours, and could cross 55W by Fri. NW Caribbean W of 85W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 ft. .TONIGHT...E winds less than 10 kt. Seas 3 ft. .TUE...SE winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .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...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 ft. .TONIGHT...S of 18N, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, SE winds less than 10 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 10 to 15 kt S of 18N, and SE less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .TUE NIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .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. .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 4 ft. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...Within 90 nm of coast of Colombia, NE winds 10 to 20 kt. Elsewhere, NE winds less than 10 kt, shifting to E after midnight. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 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...NE winds 10 to 20 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .THIS AFTERNOON...SW winds less than 10 kt. Seas 3 ft. .TONIGHT...Variable winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .TUE...Variable winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...N winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .THU...NW winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...N winds less than 10 kt. Seas 3 to 5 ft. .FRI...E winds less than 10 kt, shifting to NW in the afternoon. Seas 3 to 4 ft. .FRI NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .THIS AFTERNOON...NE winds less than 10 kt Gulf of Venezuela, and SE 10 to 20 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .TONIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TUE...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TUE NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. 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. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W ...STORM CONDITIONS POSSIBLE FRI AND FRI NIGHT... .THIS AFTERNOON...E winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 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 10 to 15 kt. Seas 4 to 6 ft. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft. .WED NIGHT...E winds less than 10 kt, shifting to NE after midnight. Seas 4 to 6 ft. .THU...NE winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .FRI...S of 17N, NW to N winds 15 to 20 kt, shifting to W in the afternoon. N of 17N, N to NE winds 25 to 40 kt. Seas 10 to 16 ft in N to NE swell. .FRI NIGHT...S of 17N, S to SW winds 20 to 25 kt. N of 17N, W winds 30 to 40 kt, shifting to S to SW 25 to 35 kt late. Seas 9 to 14 ft S of 17N, and 12 to 18 ft N of 17N. 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 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, diminishing to less than 10 kt in the afternoon. 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, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .FRI...SE winds 10 to 15 kt. Seas 4 to 6 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Seas of 7 to 10 ft in N to NE swell are occurring over much of the area east of 75W and north of 20N today. The swell will gradually subside through Tue. Looking ahead, a tropical wave located several hundred nm SW of the Cabo Verde Islands is likely to become a tropical cyclone within the next 48 hours, and could cross 55W by Fri. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...NE winds less than 10 kt. Seas 5 to 7 ft. .TONIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. .TUE...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 4 to 5 ft. .WED...NW winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...W winds less than 10 kt, shifting to S after midnight. Seas 3 to 4 ft. .THU...SW winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .FRI...S winds 10 to 15 kt. Seas 3 ft. .FRI NIGHT...SE winds 10 to 15 kt. Seas 3 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...NE winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...Variable winds less than 10 kt. Seas 6 to 7 ft. .TUE...Variable winds less than 10 kt, becoming NW less than 10 kt in the afternoon. Seas 5 to 6 ft. .TUE NIGHT...W winds less than 10 kt. Seas 4 to 5 ft. .WED...W winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .THU...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .THIS AFTERNOON...E 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 less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. .WED...NE winds less than 10 kt. 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 in the morning, subsiding to 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. .FRI...E winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds less than 10 kt. Seas 7 to 8 ft. .TONIGHT...E winds less than 10 kt. Seas 6 to 7 ft. .TUE...E winds less than 10 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 5 to 6 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 3 to 4 ft. .THU NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...SE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 6 ft. .TUE...SE winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 to 5 ft. .WED...SE winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt, shifting to SE after midnight. Seas 3 to 5 ft. .THU...E winds less than 10 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 to 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W ...STORM CONDITIONS POSSIBLE FRI NIGHT... .THIS AFTERNOON...S winds less than 10 kt. Seas 6 to 8 ft. .TONIGHT...E winds less than 10 kt. Seas 5 to 7 ft. .TUE...E winds less than 10 kt. Seas 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 5 to 6 ft. .WED...E winds less than 10 kt. Seas 5 to 6 ft. .WED NIGHT...NE winds less than 10 kt. Seas 4 to 6 ft. .THU...NE winds 10 kt. Seas 4 to 5 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...NE winds 15 to 25 kt. Seas 7 to 10 ft. .FRI NIGHT...E winds 25 to 35 kt. Seas 9 to 14 ft.