Offshore Forecast
Issued by NWS
Issued by NWS
587 FZNT31 KNHC 031510 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1110 AM EDT Mon Jun 3 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...A 1023 mb high is centered just SE of Bermuda. The pressure gradient across the region will support fresh to strong trade winds across the east-central Caribbean through early Tue, with seas to near 8 ft. An upper-level trough from the W Atlantic to the NW Caribbean will continue to support active thunderstorms across north-central portions, and gradually shift across the NE Caribbean Tue through Thu. Fresh trade winds will return to southeast portions of the basin Thu night through Fri. NW Caribbean W of 85W .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 ft. .TUE...E winds 10 to 15 kt. Seas 3 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 ft. .WED...E winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 ft. .THU...SE winds 10 to 15 kt, shifting to E in the afternoon. Seas 3 ft in the morning, subsiding to 2 ft or less. .THU NIGHT...SE winds 10 to 15 kt. Seas 2 ft or less. .FRI...SE winds 10 to 15 kt. Seas 2 ft or less. .FRI NIGHT...E winds 10 to 20 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...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 3 to 4 ft elsewhere. .TONIGHT...E winds 10 to 15 kt S of 18N, and E less than 10 kt elsewhere. S of 18N, seas 4 to 6 ft. Elsewhere, seas 3 ft in the evening, subsiding to 2 ft or less. .TUE...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. .TUE NIGHT...S of 18N, E winds less than 10 kt, increasing to 10 to 15 kt after midnight. Elsewhere, E winds less than 10 kt. Seas 3 to 5 ft S of 18N, and 2 ft or less elsewhere. .WED...SE winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 to 4 ft. .THU...SE winds less than 10 kt. Seas 3 ft. .THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. .FRI...SE 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 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .TUE...S winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...Within 90 nm of coast of Colombia, W winds 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 3 to 5 ft. .WED...S winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...Variable winds less than 10 kt, becoming SE less than 10 kt after midnight. Seas 3 to 4 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, increasing to 10 to 15 kt after midnight. 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. SW Caribbean S of 11N .THIS AFTERNOON...SW winds less than 10 kt. Seas 3 to 5 ft. .TONIGHT...W winds less than 10 kt. Seas 3 to 4 ft. .TUE...SW winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds less than 10 kt. Seas 3 ft. .WED...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .WED NIGHT...S winds less than 10 kt. Seas 2 ft or less. .THU...SE winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .FRI...Variable winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .THIS AFTERNOON...SW winds less than 10 kt Gulf of Venezuela, and SE 10 to 20 kt elsewhere. Gulf of Venezuela, seas 3 ft, subsiding to 2 ft or less. Elsewhere, seas 5 to 7 ft. .TONIGHT...Gulf of Venezuela, NE winds 10 to 15 kt, diminishing to less than 10 kt after midnight,Seas 2 ft or less, building to 3 ft after midnight. Elsewhere, SE winds 10 to 20 kt, seas 5 to 7 ft. .TUE...SW winds less than 10 kt Gulf of Venezuela, and SE 10 to 20 kt elsewhere. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 5 to 7 ft. .TUE NIGHT...Gulf of Venezuela, W winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, SE winds 10 to 15 kt. Seas 2 ft or less Gulf of Venezuela, and 4 to 6 ft elsewhere. .WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...E winds 10 to 15 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 6 ft. .FRI...E winds 10 to 20 kt. Seas 4 to 6 ft. .FRI 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 .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 3 to 5 ft. .THU...SE 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 4 to 6 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE 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 3 to 5 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 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A stationary front from 26N55W extends westward along 26N to the northern Bahamas, and will meander and weaken into a surface trough by tonight. A deep-layered upper trough across the W Atlantic and into the NW Caribbean will shift eastward across the area through Thu, and maintain active thunderstorms E of 72W today that will shift E and NE through Thu. The interaction of the upper trough and the stationary front is expected to create elongated low pressure across NE portions on Tue, and shift NE and out of the area on Wed. Fresh to strong SW winds are forecast ahead of this trough/low as it move across these waters. Weak high pressure will build across the basin Thu through Fri night. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...E winds 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 kt. Seas 3 to 4 ft. .TUE...E winds 10 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED...SE winds 10 kt. Seas 3 to 4 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .THU...S winds 10 to 15 kt, shifting to SW in the afternoon. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .THU...S winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 ft. Bahamas N of 22N .THIS AFTERNOON...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds less than 10 kt. Seas 3 ft. .TUE...NE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 3 ft. .WED...E winds less than 10 kt. Seas 3 ft. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .THU...SE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .FRI...SW winds less than 10 kt. Seas 2 ft or less. .FRI NIGHT...SW winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...SE winds less than 10 kt W of 70W, and SE 10 to 15 kt elsewhere. Seas 5 to 6 ft. .TONIGHT...W of 70W, SE winds less than 10 kt. Elsewhere, SE winds less than 10 kt, shifting to S after midnight. Seas 4 to 6 ft. .TUE...W of 70W, Variable winds less than 10 kt, becoming NE less than 10 kt in the afternoon. Elsewhere, W winds 10 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...E winds less than 10 kt. Seas 4 to 5 ft. .WED NIGHT...SE winds less than 10 kt. Seas 4 to 5 ft. .THU...SE winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .FRI...S winds 10 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...SW winds less than 10 kt, shifting to S after midnight. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .WED...SE winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .THU...S winds less than 10 kt. Seas 3 ft. .THU NIGHT...SE 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 less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 3 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .TUE...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. .WED...S winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .THU...S winds less than 10 kt. Seas 4 to 5 ft. .THU NIGHT...SE winds less than 10 kt, increasing to 10 to 15 kt after midnight. Seas 4 ft. .FRI...SE winds 10 to 15 kt. Seas 4 ft. .FRI NIGHT...SE winds 10 kt. Seas 4 to 5 ft.