Offshore Forecast
Issued by NWS
Issued by NWS
482 FZNT31 KNHC 170316 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1116 PM EDT Mon Sep 16 2024 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...The pressure gradient between high pressure centered near 24N64W and the Colombian low will continue to support fresh trades across much of the basin through Wed. Strong winds and locally rough seas will be possible off the coast of Venezuela and Colombia into Wed night. Moderate to locally fresh E to SE winds and slight seas will then occur across central portions of the Caribbean Thu into the weekend, with gentle to moderate winds occurring across NW and SW portions of the basin. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 20 kt. Seas 2 ft or less. .TUE...E winds 10 to 20 kt. Seas 3 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 20 kt. 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, diminishing to less than 10 kt in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .FRI NIGHT...E winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .SAT...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 20 kt elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 to 4 ft elsewhere. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .WED NIGHT...E winds 10 to 20 kt. S of 18N, seas 4 to 6 ft. Elsewhere, seas 3 ft in the evening, subsiding to 2 ft or less. .THU...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .THU NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .FRI...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .FRI NIGHT...SE winds 10 to 20 kt. Seas 3 ft. .SAT...E winds 10 to 20 kt. Seas 2 ft or less, building to 3 ft in the afternoon. Caribbean from 11N to 15N W of 72W .OVERNIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE...E winds 15 to 25 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft. .WED...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...NE 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 20 kt. Seas 3 to 4 ft. .SAT...SW winds less than 10 kt within 90 nm of coast of Colombia, and SE 10 to 15 kt elsewhere. Seas 3 to 4 ft. SW Caribbean S of 11N .OVERNIGHT...N winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .TUE...NW winds 10 to 15 kt, shifting to W in the afternoon. Seas 3 to 5 ft. .TUE NIGHT...NW winds less than 10 kt. Seas 3 to 5 ft. .WED...W winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...NW winds less than 10 kt, shifting to W after midnight. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...W winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 20 kt. Seas 3 ft. .FRI NIGHT...W winds 10 to 15 kt. Seas 3 ft. .SAT...SW winds 10 to 15 kt. Seas 3 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 5 to 7 ft. .TUE...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 4 to 6 ft elsewhere. .THU...E winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 3 to 5 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. .SAT...N winds less than 10 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 2 ft or less Gulf of Venezuela, and 3 to 4 ft elsewhere. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...NE winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...NE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 5 ft. .WED NIGHT...N winds less than 10 kt, shifting to W after midnight. Seas 3 to 5 ft. .THU...SW winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds less than 10 kt. Seas 3 to 5 ft. .FRI...S winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...S winds less than 10 kt. Seas 3 to 5 ft. .SAT...S winds less than 10 kt. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SE winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...SE winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Residual rough seas off the coast of northeast Florida, generated by Potential Tropical Cyclone Eight currently located inland over the Carolinas, will subside into Tue morning. Moderate to locally fresh E to SE winds will pulse off the coast of Hispaniola through Wed. Elsewhere, moderate to fresh NE winds and rough seas will develop north of 25N and east of 65W on Tue as a surface low currently located near 30N49W strengthens. Otherwise, gentle to moderate winds and slight to moderate seas will prevail across the rest of the basin. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...NW winds less than 10 kt. Seas 5 to 7 ft. .TUE...Variable winds less than 10 kt, becoming NE 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 15 kt, shifting to S after midnight. Seas 4 to 6 ft. .WED...SW winds less than 10 kt. Seas 4 to 5 ft. .WED NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .THU...W winds less than 10 kt. Seas 4 ft. .THU NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 3 to 4 ft. .FRI...NW winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...N winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...W of 70W, S winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, S winds less than 10 kt. Seas 5 to 6 ft. .TUE...SE winds less than 10 kt. Seas 5 to 6 ft. .TUE NIGHT...SE winds 10 to 20 kt W of 70W, and E less than 10 kt elsewhere. Seas 5 to 6 ft. .WED...S winds 10 to 15 kt W of 70W, and SE less than 10 kt elsewhere. Seas 5 ft. .WED NIGHT...W of 70W, S winds less than 10 kt, shifting to SW after midnight. Elsewhere, E winds less than 10 kt. Seas 4 to 5 ft. .THU...W of 70W, W winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Elsewhere, S winds less than 10 kt. Seas 4 to 5 ft. .THU NIGHT...W of 70W, W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Elsewhere, N winds less than 10 kt. Seas 4 to 5 ft. .FRI...SW winds less than 10 kt. Seas 4 to 5 ft. .FRI NIGHT...SW winds less than 10 kt. Seas 4 to 5 ft. .SAT...W of 70W, SW winds less than 10 kt, shifting to W in the afternoon. Elsewhere, W winds less than 10 kt. Seas 4 to 5 ft. Bahamas N of 22N .OVERNIGHT...E winds 10 to 20 kt. Seas 3 ft. .TUE...SE winds 10 to 20 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 ft. .WED...SE winds 10 to 20 kt. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .THU...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .THU NIGHT...E winds less than 10 kt. Seas 2 ft or less. .FRI...SE winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...SE winds 10 to 20 kt. Seas 4 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 5 ft. .WED...SE winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. Seas 5 ft. .WED NIGHT...E winds 10 to 15 kt W of 70W, and NE less than 10 kt elsewhere. Seas 4 to 5 ft. .THU...NE winds less than 10 kt. Seas 4 to 5 ft. .THU NIGHT...NE winds less than 10 kt. Seas 4 to 5 ft. .FRI...NE winds less than 10 kt. Seas 4 to 5 ft. .FRI NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SAT...SE winds less than 10 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .WED...E winds 10 to 20 kt. Seas 3 to 5 ft. .WED NIGHT...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 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...SE winds 10 to 20 kt. Seas 3 to 4 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...NE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 ft. .WED...N winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 4 to 5 ft. .WED NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. .THU...NW winds less than 10 kt. Seas 5 to 6 ft. .THU NIGHT...NW winds less than 10 kt. Seas 5 to 6 ft. .FRI...W winds less than 10 kt. Seas 5 to 6 ft. .FRI NIGHT...W winds less than 10 kt. Seas 5 to 6 ft. .SAT...SW winds less than 10 kt. Seas 4 to 5 ft.