Offshore Forecast
Issued by NWS
Issued by NWS
302 FZNT31 KNHC 050135 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 935 PM EDT Fri Oct 4 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...Scattered to numerous thunderstorms will persist in the far NW Caribbean near the Yucatan Channel through at least Sat. Hurricane Kirk will remain well to the northeast of the Leeward Islands, but large swell generated from Kirk will impact the Atlantic waters east of the Leeward Islands through Sat night. Elsewhere, gentle to moderate breezes and slight to moderate seas will persist across the basin into early next week. Looking ahead, winds and seas may increase across the far NW Caribbean late in the weekend into early next week due to the possible development of low pressure over the Gulf of Mexico. NW Caribbean W of 85W .OVERNIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .SAT...S winds 10 to 15 kt, diminishing to less than 10 kt in the afternoon. Seas 3 to 4 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .SUN...S winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...SE winds less than 10 kt. Seas 2 ft or less. .MON...S winds less than 10 kt, shifting to SW in the afternoon. Seas 2 ft or less. .MON NIGHT...S winds 10 to 15 kt. Seas 2 ft or less. .TUE...SW winds 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED...W winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...NW winds 10 to 15 kt. Seas 3 to 4 ft. Caribbean N of 15N between 72W and 85W .OVERNIGHT...E winds less than 10 kt. Seas 3 ft, subsiding to 2 ft or less. .SAT...E winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SUN...Variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .MON...Variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming S less than 10 kt after midnight. Seas 2 ft or less. .TUE...S winds less than 10 kt, increasing to 10 to 15 kt in the afternoon. Seas 2 ft or less. .TUE NIGHT...S winds 10 to 15 kt. Seas 2 ft or less, building to 3 ft after midnight. .WED...S winds 10 to 15 kt. Seas 3 ft. .WED NIGHT...S winds 10 to 15 kt, diminishing to less than 10 kt after midnight. Seas 3 to 4 ft. Caribbean from 11N to 15N W of 72W .OVERNIGHT...NE winds less than 10 kt. Seas 2 ft or less. .SAT...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SUN...Variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .MON...Variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .TUE...Variable winds less than 10 kt, becoming S less than 10 kt in the afternoon. Seas 2 ft or less. .TUE NIGHT...S winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .WED...Variable winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. SW Caribbean S of 11N .OVERNIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT...Variable winds less than 10 kt. Seas 2 ft or less. .SAT NIGHT...NW winds less than 10 kt in the evening, becoming variable winds less than 10 kt. Seas 2 ft or less. .SUN...Variable winds less than 10 kt. Seas 2 ft or less. .SUN NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 2 ft or less. .MON...Variable winds less than 10 kt. Seas 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming SW less than 10 kt after midnight. Seas 2 ft or less. .TUE...S winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...S winds less than 10 kt. Seas 2 ft or less. .WED...S winds less than 10 kt. Seas 2 ft or less. .WED NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. Caribbean between 64W and 72W .OVERNIGHT...E winds less than 10 kt. Seas 2 ft or less Gulf of Venezuela, and 3 ft elsewhere. .SAT...Variable winds less than 10 kt. Seas 2 ft or less Gulf of Venezuela, and 3 ft elsewhere. .SAT NIGHT...Gulf of Venezuela, N winds 10 kt in the evening, becoming variable winds less than 10 kt. Elsewhere, Variable winds less than 10 kt. Seas 2 ft or less Gulf of Venezuela, and 3 ft elsewhere. .SUN...Variable winds less than 10 kt. Seas 2 ft or less Gulf of Venezuela, and 3 ft elsewhere. .SUN NIGHT...Variable winds less than 10 kt. Seas 3 ft. .MON...Variable winds less than 10 kt. Seas 3 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 3 ft in the evening, subsiding to 2 ft or less. .TUE...SE winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...E winds less than 10 kt. Seas 2 ft or less. .WED...E winds less than 10 kt. Seas 2 ft or less, building to 3 ft in the afternoon. .WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .OVERNIGHT...Variable winds less than 10 kt. Seas 5 to 7 ft. .SAT...Variable winds less than 10 kt, becoming SW less than 10 kt in the afternoon. Seas 5 to 7 ft. .SAT NIGHT...S winds less than 10 kt. Seas 5 to 7 ft. .SUN...S winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .MON...SE winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .TUE...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...E winds less than 10 kt, increasing to 10 to 15 kt after midnight. 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 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .OVERNIGHT...SE winds less than 10 kt. Seas 4 to 6 ft. .SAT...S winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .SUN...SE winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .MON...SE winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...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 5 to 7 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A cold front extends from 31N57W to 25N68W followed by moderate to fresh winds. The front will gradually weaken through the weekend as it sinks S. Meanwhile Major Hurricane Kirk will remain E the region as it move into the north-central Atlantic through Sat night. Very large swells generated by Kirk will mix with swell following the front, producing rough seas over the waters E of 75W into early next week. Looking ahead, winds and seas may increase off northeast Florida and north of the Bahamas Tue and Wed associated with a frontal moving into the region and developing low pressure over the Gulf of Mexico. Farther east, large NE swell may impact the waters southeast of Bermuda Tue and Wed, while swells associated with tropical cyclone Leslie, forecast to remain E of the area, may impact the waters E of 60W by mid-week. ATLC waters from 27N to 31N W of 77W .OVERNIGHT...E winds 10 kt. Seas 4 to 5 ft. .SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 kt. Seas 6 to 7 ft. .MON...E winds 10 to 15 kt. Seas 6 to 7 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 6 to 7 ft. .TUE...E winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 6 to 9 ft. .WED NIGHT...E winds 15 to 25 kt. Seas 8 to 11 ft. ATLC waters from 27N to 31N between 65W and 77W .OVERNIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft W of 70W, and 8 to 12 ft elsewhere. .SAT...NE winds 10 to 15 kt. Seas 6 to 9 ft W of 70W, and 9 to 11 ft elsewhere. .SAT NIGHT...N winds 10 to 15 kt. Seas 6 to 9 ft W of 70W, and 9 to 11 ft elsewhere. .SUN...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .MON...NE winds 10 kt. Seas 7 to 8 ft. .MON NIGHT...E winds 10 kt. Seas 5 to 7 ft. .TUE...SE winds 10 to 15 kt. Seas 5 to 6 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...S winds 10 to 15 kt. Seas 6 to 8 ft. .WED NIGHT...SE winds 10 to 20 kt. Seas 6 to 9 ft. Bahamas N of 22N .OVERNIGHT...NE winds less than 10 kt. Seas 3 ft. .SAT...E winds less than 10 kt. Seas 3 to 5 ft. .SAT NIGHT...NE winds less than 10 kt, shifting to E after midnight. Seas 3 to 5 ft. .SUN...E winds less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...E winds less than 10 kt. Seas 3 to 5 ft. .MON...SE winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...S winds less than 10 kt. Seas 3 to 5 ft. .TUE...S winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .WED...S winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .OVERNIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft W of 70W, and 6 to 9 ft elsewhere. .SAT...NE winds 10 to 15 kt. Seas 7 to 10 ft. .SAT NIGHT...N winds 10 kt. Seas 7 to 10 ft. .SUN...N winds 10 kt. Seas 7 to 10 ft. .SUN NIGHT...NE winds 10 kt. Seas 7 to 9 ft. .MON...E winds less than 10 kt. Seas 6 to 8 ft. .MON NIGHT...SE winds less than 10 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 7 ft. .WED NIGHT...S winds 10 to 15 kt. Seas 5 to 7 ft. ATLC waters S of 22N W of 65W .OVERNIGHT...NE winds less than 10 kt. Seas 3 to 5 ft. .SAT...NE winds less than 10 kt. Seas 4 to 6 ft. .SAT NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .SUN...E winds less than 10 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds less than 10 kt. Seas 4 to 6 ft. .MON...SE winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE...SE winds less than 10 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. .WED...S winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds less than 10 kt. Seas 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .OVERNIGHT...N winds 10 kt. Seas 8 to 11 ft. .SAT...W winds less than 10 kt. Seas 8 to 11 ft. .SAT NIGHT...SW winds less than 10 kt. Seas 8 to 10 ft. .SUN...SW winds less than 10 kt. Seas 6 to 9 ft. .SUN NIGHT...S winds less than 10 kt. Seas 6 to 7 ft. .MON...S winds less than 10 kt. Seas 6 ft. .MON NIGHT...SE winds 10 kt. Seas 5 to 6 ft. .TUE...SE winds 10 kt. Seas 5 to 6 ft. .TUE NIGHT...SE winds 10 kt. Seas 5 to 6 ft. .WED...SE winds 10 kt. Seas 6 to 8 ft. .WED NIGHT...E winds 10 kt. Seas 6 to 9 ft.