Offshore Forecast
Issued by NWS
Issued by NWS
544 FZNT31 KNHC 011519 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1119 AM EDT Sat Jun 1 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 will increase today as high pressure N of the area strengthens some. This will lead to fresh to strong trade winds across the central Caribbean through early Mon, with seas building to around 9 ft. Fresh to strong winds are also expected over portions of the western basin just over southern Jamaica adjacent waters as a tropical wave moves across the region through Sun afternoon. The wave is also supporting scattered showers and tstms between the Windward Passage and the coast of Nicaragua, which are forecast to continue and amplify the next couple of days. NW Caribbean W of 85W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 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 less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 ft. .TUE...E winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .TUE NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. .WED...E winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 2 ft or less. .WED NIGHT...E winds 10 to 15 kt. Seas 2 ft or less. Caribbean N of 15N between 72W and 85W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 4 to 6 ft S of 18N, and 3 ft elsewhere. .TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .SUN...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 6 to 8 ft S of 18N, and 3 to 4 ft elsewhere. .SUN NIGHT...E winds 10 to 20 kt S of 18N, and E less than 10 kt elsewhere. 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, diminishing to less than 10 kt after midnight. Seas 4 to 6 ft. .TUE...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 ft. .WED...SE winds less than 10 kt. Seas 3 ft in the morning, subsiding to 2 ft or less. .WED NIGHT...SE winds less than 10 kt. Seas 2 ft or less. Caribbean from 11N to 15N W of 72W .THIS AFTERNOON...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .TONIGHT...NE winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .MON NIGHT...S winds 10 to 15 kt, shifting to SW after midnight. Seas 4 to 6 ft. .TUE...SW winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 4 ft. .WED...S winds less than 10 kt. Seas 3 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. SW Caribbean S of 11N .THIS AFTERNOON...Variable winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .SUN...N winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 3 to 5 ft. .MON...SW winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .TUE...SW winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 3 ft. .WED...S winds less than 10 kt. Seas 3 ft. .WED NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SUN...Gulf of Venezuela, E winds 15 to 25 kt, diminishing to 10 to 15 kt in the afternoon. Elsewhere, E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .MON...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON NIGHT...SE 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 15 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED 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 .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. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...SE winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 5 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .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. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SE 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 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front across the forecast waters reaching from 31N61W SW to the central Bahamas adjacent waters is expected to become nearly stationary along 25N by early Sun and weaken into a surface trough by Mon evening. Energy associated with a convectively active tropical wave, currently over the W Caribbean will lift NNE and merge with this trough by Tue. Afterwards, the trough will drift eastward and move to the central subtropical Atlantic waters Thu into Fri. Fresh SW winds are forecast ahead of this trough as it crosses the northern offshore waters. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 kt. Seas 3 to 4 ft. .TUE...E winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E winds 10 kt. Seas 3 to 4 ft. .WED...SE winds less than 10 kt. Seas 3 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 4 to 6 ft. .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 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...SE winds less than 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .THIS AFTERNOON...NE winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...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 15 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 ft. .MON NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .TUE...NE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...E winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...E winds less than 10 kt. Seas 2 ft or less. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...W of 70W, NE winds 10 to 20 kt. Elsewhere, E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 4 to 6 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft. .SUN NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...SE winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 5 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .TUE...NE winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .WED...NE winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...SE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .MON...SE winds 10 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...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...S winds less than 10 kt. Seas 3 to 5 ft. .WED...SE 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 from 19N to 22N between 55W and 65W .THIS AFTERNOON...SE winds 10 kt. Seas 4 to 5 ft. .TONIGHT...E winds less than 10 kt. Seas 4 to 5 ft. .SUN...SE winds 10 to 15 kt. Seas 4 to 5 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .MON...SE winds 10 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 5 to 6 ft. .WED...S winds 10 to 15 kt. Seas 5 to 6 ft. .WED NIGHT...S winds 10 kt. Seas 4 to 5 ft.