Offshore Forecast
Issued by NWS
Issued by NWS
835 FZNT31 KNHC 160311 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1111 PM EDT Sun Sep 15 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...Moderate to fresh E to NE winds will prevail in the central Caribbean through the middle of this week, pulsing to strong speeds in the south-central waters tonight through Tue. Moderate to locally fresh E winds will pulse off the coast of Honduras Mon into the middle of the week. Gentle to moderate trades are expected elsewhere. Slight to moderate seas will continue across the waters the next several days. NW Caribbean W of 85W .OVERNIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .MON...E winds 10 to 15 kt. Seas 2 ft or less. .MON NIGHT...E winds 10 to 20 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...E winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft. .WED...SE 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, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 3 ft. .FRI...NE winds less than 10 kt. Seas 3 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .TUE...E winds 10 to 20 kt. S of 18N, seas 4 to 6 ft. Elsewhere, seas 2 ft or less, building to 3 ft in the afternoon. .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. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .THU...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 4 to 6 ft S of 18N, and 2 ft or less elsewhere. .THU 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. .FRI...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. Seas 3 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON...E winds 15 to 25 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE...E winds 15 to 25 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 15 to 25 kt. 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 3 to 5 ft. .FRI...S 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...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .TUE...NW winds less than 10 kt, shifting to SW in the afternoon. Seas 3 to 4 ft. .TUE NIGHT...W winds less than 10 kt. Seas 3 to 5 ft. .WED...W winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...W winds less than 10 kt. Seas 3 to 4 ft. .THU...W winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...W winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .FRI...SW winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 ft. Caribbean between 64W and 72W .OVERNIGHT...E winds 15 to 25 kt. Seas 4 to 6 ft. .MON...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .MON NIGHT...E winds 15 to 25 kt. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TUE...E winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. Seas 4 to 6 ft. .TUE NIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 15 to 25 kt elsewhere. 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 3 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...Gulf of Venezuela, SE winds less than 10 kt, shifting to W in the afternoon. Elsewhere, E winds 10 to 15 kt. 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...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...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. 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...SW 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 15 kt. Seas 3 to 5 ft. .MON...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Expect fresh to locally strong winds and moderate to rough seas north of 29N and west of 70W through Mon as Potential Tropical Cyclone Eight moves northwestward, likely moving onshore somewhere in the Carolinas on Mon. Elsewhere, moderate to fresh NE winds and rough seas will develop by Tue north of 25N and east of 60W. Moderate to locally fresh E to SE winds will pulse off the coast of Hispaniola Mon through the middle of the week. 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...SW winds 10 to 15 kt. Seas 6 to 9 ft. .MON...SW winds 10 to 15 kt. Seas 6 to 9 ft. .MON NIGHT...W winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 6 to 8 ft. .TUE...W winds less than 10 kt. Seas 5 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming S 10 kt after midnight. Seas 4 to 5 ft. .WED...SW winds less than 10 kt. Seas 4 to 5 ft. .WED NIGHT...Variable winds less than 10 kt, becoming S 10 kt after midnight. Seas 4 ft. .THU...NW winds less than 10 kt. Seas 4 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .FRI...Variable winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...S winds 10 to 15 kt. Seas 6 to 9 ft. .MON...W of 70W, S winds less than 10 kt, shifting to SW in the afternoon. Elsewhere, SW winds less than 10 kt. Seas 6 to 8 ft. .MON NIGHT...S winds 10 to 15 kt W of 70W, and S less than 10 kt elsewhere. Seas 5 to 7 ft. .TUE...W of 70W, S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Elsewhere, S winds less than 10 kt. Seas 5 to 6 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 5 to 6 ft. .WED...SW winds less than 10 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 5 to 6 ft. .WED NIGHT...S winds less than 10 kt. Seas 4 to 6 ft. .THU...SW winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .FRI...SW winds less than 10 kt. Seas 4 to 5 ft. Bahamas N of 22N .OVERNIGHT...SE winds less than 10 kt. Seas 2 ft or less. .MON...S winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...E 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. .TUE...SE winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...SE 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. .THU NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .FRI...S winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 to 5 ft. .MON...S winds 10 to 15 kt. Seas 4 to 5 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 5 ft. .TUE NIGHT...E winds 10 to 15 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...W of 70W, SE winds 10 to 15 kt, shifting to E after midnight. Elsewhere, NE winds less than 10 kt. Seas 5 ft. .THU...NE winds less than 10 kt. Seas 4 to 6 ft. .THU NIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .FRI...E winds less than 10 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...SE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...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 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 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...NE winds 10 to 15 kt. Seas 3 to 5 ft. .FRI...E winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...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...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 kt. Seas 5 ft. .WED NIGHT...N winds less than 10 kt. Seas 5 to 6 ft. .THU...W winds less than 10 kt. Seas 5 to 6 ft. .THU NIGHT...W winds less than 10 kt. Seas 5 to 6 ft. .FRI...W winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 5 to 6 ft.