Offshore Forecast
Issued by NWS
Issued by NWS
021 FZNT31 KNHC 122111 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 511 PM EDT Fri Jul 12 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...High pressure centered north of the area will support fresh to strong trade winds across much of the central and southwestern Caribbean Sea through the forecast period. Winds may pulse to near gale force at night off NW Colombia tonight. Seas will peak near 10 ft tonight and Sat night. Gentle to moderate northeast to east winds are forecast for the northwest Caribbean, pulsing to fresh speeds at night in the Gulf of Honduras and in the Windward Passage through the weekend. NW Caribbean W of 85W .TONIGHT...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 to 4 ft. .SUN...E winds 10 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .TUE...E winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...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 15 kt. Seas 3 to 5 ft. Caribbean N of 15N between 72W and 85W .TONIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S of 18N, E winds 10 to 20 kt. Elsewhere, E winds 10 to 15 kt. Seas 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. .SAT NIGHT...E winds 10 to 20 kt S of 18N, and NE less than 10 kt elsewhere. Seas 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. .SUN...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 5 ft elsewhere. .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 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 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Caribbean from 11N to 15N W of 72W .TONIGHT...E winds 20 to 30 kt within 90 nm of coast of Colombia, and NE 15 to 25 kt elsewhere. Seas 6 to 9 ft. .SAT...E winds 15 to 25 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 15 to 25 kt within 90 nm of coast of Colombia, and NE 10 to 20 kt elsewhere. Seas 6 to 9 ft. .SUN...E winds 15 to 25 kt within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 9 ft. .SUN NIGHT...E winds 15 to 25 kt. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 9 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 6 to 8 ft. .WED...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. SW Caribbean S of 11N .TONIGHT...NE winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...N winds less than 10 kt. Seas 5 to 7 ft. .MON...N winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds less than 10 kt. Seas 5 to 7 ft. .WED...E winds less than 10 kt. Seas 5 to 7 ft. .WED NIGHT...Variable winds less than 10 kt, becoming N less than 10 kt late. Seas 4 to 6 ft. Caribbean between 64W and 72W .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SAT NIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 5 to 7 ft. .SUN...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 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...E winds 10 to 20 kt. Seas 4 to 6 ft. .TUE NIGHT...E winds 10 to 20 kt. Seas 4 to 6 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. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds less than 10 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 10 to 15 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 4 to 6 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. Offshore Windward Islands and adjacent ATLC waters from 07N to 15N W of 55W .TONIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 4 to 6 ft. .MON...E winds less than 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE...SE 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 3 to 5 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 trough trails south-southwestward from low pressure near the S Carolina coast to inland central Florida near Cape Canaveral. Scattered to numerous showers and thunderstorms are over the waters W of about 72W. The low will move onshore by early this evening while the trough weakens through Sat. The shower and activity is expected to gradually decrease through Sat evening. Fresh to strong south winds N of 30N between 75W and 78W will diminish late tonight. Elsewhere, moderate to fresh easterly winds will continue across the southeastern waters through the weekend, where seas will build to 9 ft. Fresh to strong E winds and moderate seas will develop between the southeastern Bahamas and Hispaniola through Sat night. ATLC waters from 27N to 31N W of 77W .TONIGHT...S winds 10 to 15 kt. Seas 4 to 6 ft. .SAT...S winds 10 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...S winds 10 kt. Seas 3 to 5 ft. .SUN...S winds 10 kt. Seas 4 to 5 ft. .SUN NIGHT...S winds less than 10 kt. Seas 4 to 5 ft. .MON...S winds 10 kt. Seas 4 to 5 ft. .MON NIGHT...S winds 10 kt. Seas 4 ft. .TUE...S winds 10 kt. Seas 3 to 4 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 27N to 31N between 65W and 77W .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SAT NIGHT...SE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN...SE winds 10 to 15 kt. Seas 5 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 5 ft. .MON NIGHT...SE winds less than 10 kt. Seas 4 ft. .TUE...SE winds 10 kt. Seas 3 to 4 ft. .TUE NIGHT...SE winds 10 kt. Seas 3 to 4 ft. .WED...SE winds 10 kt. Seas 3 to 4 ft. .WED NIGHT...S winds 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .TONIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...E winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .MON...E winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...E winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...E to SE winds less than 10 kt. Seas 3 to 4 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. ATLC waters from 22N to 27N between 65W and the Bahamas .TONIGHT...SE winds 10 to 20 kt W of 70W, and E 15 to 20 kt elsewhere. Seas 6 to 8 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 8 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .MON...E winds 10 kt. Seas 4 to 5 ft. .MON NIGHT...E winds 10 kt. Seas 4 to 5 ft. .TUE...E winds 10 kt. Seas 4 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. .WED...SE winds 10 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 5 to 7 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 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 3 to 5 ft. .WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TONIGHT...E winds 15 to 20 kt. Seas 7 to 9 ft. .SAT...E winds 10 to 20 kt. Seas 7 to 9 ft. .SAT NIGHT...E winds 10 to 20 kt. Seas 6 to 7 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 6 ft. .MON...E winds 10 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 5 ft. .TUE...SE winds 10 to 15 kt. Seas 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED...E winds 10 to 15 kt. Seas 5 to 7 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.