Offshore Forecast
Issued by NWS
Issued by NWS
088 FZNT31 KNHC 180747 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 347 AM EDT Tue Jun 18 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 broad circulation around Potential Tropical Cyclone One will support fresh to near gale- force SE winds with scattered showers and thunderstorms across the NW Caribbean through at least Wed night. Elsewhere, gentle to moderate trades over the central and E Caribbean will reach moderate to fresh speeds by midweek and prevail through late Fri. NW Caribbean W of 85W .TODAY...SE winds 15 to 25 kt. Seas 6 to 9 ft. .TONIGHT...SE winds 15 to 25 kt. Seas 5 to 7 ft. .WED...SE winds 20 to 30 kt. Seas 6 to 9 ft. .WED NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU...SE winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...SE winds 15 to 25 kt. Seas 6 to 9 ft. .FRI...SE winds 10 to 20 kt. Seas 6 to 9 ft. .FRI NIGHT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...SE winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...SE winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...SE winds 10 to 20 kt. Seas 4 to 6 ft. .TONIGHT...SE winds 10 to 20 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. .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...SE winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 10 to 20 kt within 90 nm of coast of Colombia, and E 10 to 15 kt elsewhere. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E winds 10 to 15 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 4 to 6 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. .SAT...E winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. SW Caribbean S of 11N .TODAY...NE winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 5 ft. .TONIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .WED...NW winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...N winds less than 10 kt, shifting to S after midnight. Seas 3 to 4 ft. .THU...S winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 3 ft. .THU NIGHT...Variable winds less than 10 kt. Seas 3 ft. .FRI...Variable winds less than 10 kt. Seas 3 to 4 ft. .FRI NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT...Variable winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 20 kt Gulf of Venezuela, and E 10 to 15 kt elsewhere. Seas 3 to 4 ft. .WED...E winds 10 to 15 kt. Gulf of Venezuela, seas 3 ft in the morning, subsiding to 2 ft or less. Elsewhere, seas 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Gulf of Venezuela, seas 2 ft or less, building to 3 ft after midnight. Elsewhere, seas 3 to 5 ft. .THU...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...E winds 10 to 20 kt. Seas 5 to 7 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. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...SE winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 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. .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. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT 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 .TODAY...E winds 10 to 15 kt. Seas 4 to 6 ft. .TONIGHT...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. .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. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Scattered showers and isolated thunderstorms persist in the vicinity of a surface trough extending from 30N55W to low pres near 24N64W to 21N67W. Environmental conditions could be conducive for some gradual development of this system during the next few days while it moves westward or west-northwestward. The system is forecast to approach the coast of the southeastern United States on Friday. Regardless of development, fresh to strong winds and rough seas will prevail across the waters N of 25N through Thu. ATLC waters from 27N to 31N W of 77W .TODAY...E winds 15 to 20 kt. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .WED...E winds 15 to 20 kt. Seas 7 to 9 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 8 to 10 ft. .THU...E winds 10 to 20 kt. Seas 8 to 10 ft. .THU NIGHT...E winds 10 to 20 kt. Seas 7 to 10 ft. .FRI...E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 6 to 9 ft. .FRI NIGHT...S winds less than 10 kt. Seas 5 to 7 ft. .SAT...Variable winds less than 10 kt. Seas 4 to 5 ft. .SAT NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77WEnvironmental conditions could be conducive for some development of the low during the next few days while it moves westward or west- northwestward. The system is forecast to approach the coast of the southeast United States by the end of the week. .TODAY...E winds 15 to 20 kt W of 70W, and NE 15 to 25 kt elsewhere. Seas 6 to 9 ft. .TONIGHT...E winds 15 to 20 kt W of 70W, and NE 15 to 25 kt elsewhere. Seas 7 to 10 ft. .WED...E winds 15 to 25 kt. Seas 8 to 11 ft. .WED NIGHT...NE winds 10 to 20 kt W of 70W, and E 15 to 25 kt elsewhere. Seas 8 to 11 ft. .THU...E winds 10 to 20 kt. Seas 7 to 10 ft. .THU NIGHT...SE winds 10 to 15 kt. Seas 6 to 9 ft. .FRI...SE winds 10 kt. Seas 5 to 7 ft. .FRI NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .SAT...SE winds less than 10 kt. Seas 4 to 5 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. Bahamas N of 22N .TODAY...E winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 20 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 4 to 6 ft. .THU...E 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 4 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 3 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED...W of 70W, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt, shifting to SE in the afternoon. Seas 6 to 9 ft. .WED NIGHT...E winds 10 to 20 kt W of 70W, and SE less than 10 kt elsewhere. Seas 6 to 9 ft. .THU...SE winds 10 to 15 kt. Seas 6 to 8 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...E winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED...E winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 3 to 4 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .THU...E winds 10 to 15 kt. Seas 3 to 5 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 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...SE winds less than 10 kt, shifting to E after midnight. Seas 4 to 5 ft. .WED...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...E winds 10 to 15 kt. Seas 5 ft. .THU...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI...E winds 10 to 15 kt. Seas 5 to 6 ft. .FRI NIGHT...E winds 10 to 15 kt. Seas 5 ft. .SAT...E winds 10 kt. Seas 5 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft.