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Offshore Forecast
Issued by NWS
Issued by NWS
044 FZNT31 KNHC 131455 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 1055 AM EDT Sat Jul 13 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 gradient related to Atlantic high pressure will continue to allow for fresh to strong trade winds over most of the southwestern Caribbean through early on Sun, and over the central Caribbean through the forecast period while expanding in coverage. Fresh winds will pulse tonight in the Gulf of Honduras and in the Windward Passage. Fresh winds will pulse again at night in the Windward Passage Sun through Tue. A tropical wave in the eastern Caribbean is accompanied by scattered showers and thunderstorms, some producing gusty winds. The wave is forecast to reach the western Caribbean Mon. 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 less than 10 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...E 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 4 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 .THIS AFTERNOON...E winds 10 to 20 kt. Seas 5 to 7 ft S of 18N, and 3 to 4 ft elsewhere. .TONIGHT...E winds 10 to 20 kt S of 18N, and NE less than 10 kt elsewhere. Seas 4 to 6 ft. .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 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. Seas 4 to 6 ft. .TUE...E winds 10 to 15 kt. Seas 4 to 6 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 20 kt. Seas 4 to 6 ft. 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 7 to 10 ft. .TONIGHT...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 within 90 nm of coast of Colombia, and E 10 to 20 kt elsewhere. Seas 6 to 8 ft. .MON...E winds 10 to 20 kt. Seas 6 to 9 ft. .MON NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .TUE...E winds 10 to 20 kt. Seas 6 to 8 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 5 to 7 ft. SW Caribbean S of 11N .THIS AFTERNOON...E winds 10 to 15 kt. Seas 6 to 9 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SUN...NE to 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...NE winds less than 10 kt. Seas 5 to 7 ft. .MON NIGHT...N to NE winds less than 10 kt. Seas 5 to 7 ft. .TUE...NE winds 10 to 15 kt. Seas 5 to 7 ft. .TUE NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .WED...NE to E winds 10 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...N winds less than 10 kt. Seas 4 to 6 ft. Caribbean between 64W and 72W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .TONIGHT...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 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 4 ft Gulf of Venezuela, and 5 to 7 ft elsewhere. .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 4 to 6 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 .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 15 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...SE 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 4 to 6 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 .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 5 to 7 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 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 3 to 5 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...A weak surface trough extends from the NW Bahamas to central Cuba while a mid to upper level trough is located between South Florida and the Bahamas. The presence of these features is sustaining scattered to numerous showers and thunderstorms over over the offshore waters from east of South Florida to the waters surrounding the NW and Central Bahamas. Fresh to strong winds will pulse tonight offshore Hispaniola. E swell producing seas to 9 ft east of the southeastern Bahamas to near 63W will slowly subside through early Sun. The Bermuda high will build southwestward toward central florida over the next several days. An increasing area of numerous showers and thunderstorms is S of 24N between 64W and 70W. The showers and thunderstorms are gradually shifting westward in tandem with an eastern Caribbean tropical wave. Gusty winds and frequent lightning can be expected with this activity. ATLC waters from 27N to 31N W of 77W .THIS AFTERNOON...S winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...S winds 10 kt. Seas 4 to 5 ft. .SUN...S winds 10 kt. Seas 4 to 5 ft. .SUN NIGHT...SE winds 10 kt. Seas 4 to 5 ft. .MON...S winds 10 kt. Seas 4 to 5 ft. .MON NIGHT...S winds 10 kt. Seas 3 to 5 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 ft. ATLC waters from 27N to 31N between 65W and 77W .THIS AFTERNOON...SE winds 10 to 15 kt. Seas 5 to 7 ft. .TONIGHT...SE winds 10 to 15 kt. Seas 5 to 7 ft. .SUN...SE winds 10 to 15 kt. Seas 5 to 6 ft. .SUN NIGHT...SE winds 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...SE winds 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .THIS AFTERNOON...E winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 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 winds 10 to 15 kt. Seas 3 to 5 ft. .WED...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...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 7 ft. .MON...E winds 10 kt. Seas 3 to 5 ft. .MON NIGHT...E winds 10 kt. Seas 3 to 5 ft. .TUE...E winds 10 kt. Seas 3 to 5 ft. .TUE NIGHT...SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SE winds 10 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SE winds 10 to 15 kt. Seas 3 to 5 ft. ATLC waters S of 22N W of 65W .THIS AFTERNOON...E winds 10 to 20 kt. Seas 6 to 9 ft. .TONIGHT...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 3 to 5 ft. ATLC waters from 19N to 22N between 55W and 65W .THIS AFTERNOON...E winds 10 to 15 kt. Seas 7 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 7 to 8 ft. .SUN...E winds 10 to 15 kt. Seas 6 to 7 ft. .SUN NIGHT...E winds 10 to 15 kt. Seas 5 to 7 ft. .MON...E winds 10 kt. Seas 5 to 6 ft. .MON NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .TUE...SE winds 10 to 15 kt. Seas 4 to 5 ft. .TUE NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .WED...E winds 15 to 20 kt. Seas 5 to 6 ft. .WED NIGHT...E winds 15 to 20 kt. Seas 5 to 7 ft.