


Offshore Forecast
Issued by NWS
Issued by NWS
456 FZNT31 KNHC 170733 OFFN20 Marine Weather HF Voice Broadcast NWS National Hurricane Center Miami, FL 333 AM EDT Tue Jun 17 2025 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. NOTICE: The National Weather Service requests feedback on a proposal to discontinue the VOBRA product. See https://www.weather.gov/media/notification/pdf_2025/ pns25-33_vobra_discontinuation_2025.pdf for the proposal. Submit comments by email through June 25th, 2025 to: marine.weather@noaa.gov Synopsis for Caribbean Sea and Tropical N Atlantic from 07N to 19N W of 55W .SYNOPSIS...Fresh to near gale force easterly winds and rough seas to 11 ft are forecast across the central and portions of the SW Caribbean through Sat night due to a prevalent Atlantic subtropical ridge extending southward into the northern Caribbean. Fresh to strong trades will pulse at night in the Gulf of Honduras through today and then stay strong through Thu while expanding northward as the Bermuda High builds. Rough seas are expected in the Gulf of Honduras and other portions of the NW Caribbean tonight through Wed night. Gentle to moderate winds and moderate seas are expected elsewhere through Sat night. NW Caribbean W of 85W .TODAY...E winds 10 to 20 kt. Seas 5 to 7 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED AND WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU THROUGH SAT...E winds 10 to 20 kt. Seas 5 to 7 ft. Caribbean N of 15N between 72W and 85W .TODAY...E winds 10 to 20 kt. Seas 6 to 9 ft S of 18N, and 4 to 6 ft elsewhere. .TONIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere. .WED AND WED NIGHT...E winds 15 to 25 kt S of 18N, and E 10 to 15 kt elsewhere. Seas 7 to 10 ft S of 18N, and 4 to 6 ft elsewhere. .THU THROUGH SAT...E winds 10 to 20 kt. Seas 6 to 9 ft. Caribbean from 11N to 15N W of 72W .TODAY...E winds 15 to 25 kt. Seas 7 to 10 ft. .TONIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .WED AND WED NIGHT...E winds 15 to 25 kt. Seas 7 to 10 ft. .THU THROUGH SAT...E winds 15 to 25 kt. Seas 8 to 11 ft. SW Caribbean S of 11N .TODAY...NE winds less than 10 kt in the morning, becoming variable winds less than 10 kt. Seas 4 to 6 ft. .TONIGHT...N winds less than 10 kt, shifting to NE after midnight. Seas 4 to 6 ft. .WED AND WED NIGHT...NE winds 10 to 15 kt. Seas 5 to 7 ft. .THU THROUGH FRI...NE winds 10 to 15 kt. Seas 6 to 8 ft. .SAT...N winds less than 10 kt. Seas 6 to 8 ft. Caribbean between 64W and 72W .TODAY...E winds 10 to 20 kt. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .TONIGHT...E winds 15 to 25 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .WED AND WED NIGHT...E winds 20 to 30 kt Gulf of Venezuela, and E 10 to 20 kt elsewhere. Seas 3 to 5 ft Gulf of Venezuela, and 6 to 8 ft elsewhere. .THU THROUGH SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. Offshore Leeward Islands and adjacent ATLC waters from 15N to 19N W of 55W .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .WED AND WED NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .THU THROUGH SAT...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 .TODAY...E winds 10 to 20 kt. Seas 6 to 8 ft. .TONIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .WED AND WED NIGHT...E winds 10 to 20 kt. Seas 6 to 8 ft. .THU THROUGH SAT...E winds 10 to 20 kt. Seas 6 to 8 ft. Synopsis for the the SW N Atlantic including the Bahamas .SYNOPSIS...Moderate to fresh easterly winds are forecast south of 24N through Sat night as a broad subtropical Atlantic ridge stays in place. Strong winds will pulse just north of Hispaniola at night into late week as the Bermuda High builds. Moderate to fresh S to SW winds will prevail offshore of NE Florida through Thu associated with a surface trough extending along the eastern United States. Moderate or weaker winds and slight to moderate seas are expected elsewhere through the week and into the weekend. ATLC waters from 27N to 31N W of 77W .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. .TONIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .WED AND WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .THU THROUGH SAT...SE winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 27N to 31N between 65W and 77W .TODAY...W of 70W, S winds 10 kt. Elsewhere, Variable winds less than 10 kt, becoming S 10 kt in the afternoon. Seas 3 ft. .TONIGHT...S winds less than 10 kt. Seas 3 ft. .WED AND WED NIGHT...SE winds less than 10 kt. Seas 3 to 4 ft. .THU THROUGH FRI...SE winds less than 10 kt. Seas 3 to 4 ft. .SAT...E winds less than 10 kt. Seas 3 to 4 ft. Bahamas N of 22N .TODAY...E winds 10 to 15 kt. Seas 3 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .WED AND WED NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. .THU THROUGH SAT...E winds 10 to 15 kt. Seas 3 to 4 ft. ATLC waters from 22N to 27N between 65W and the Bahamas .TODAY...E winds 10 to 15 kt. Seas 3 to 5 ft. .TONIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. .WED AND WED NIGHT...E winds 10 to 15 kt. Seas 4 to 5 ft. .THU THROUGH SAT...E winds 10 to 15 kt. Seas 4 to 5 ft. ATLC waters S of 22N W of 65W .TODAY...E winds 10 to 15 kt. Seas 4 to 5 ft. .TONIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .WED AND WED NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. .THU THROUGH SAT...E winds 10 to 15 kt. Seas 4 to 6 ft. ATLC waters from 19N to 22N between 55W and 65W .TODAY...E winds 10 to 15 kt. Seas 5 to 6 ft. .TONIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .WED AND WED NIGHT...E winds 10 to 15 kt. Seas 5 to 6 ft. .THU THROUGH SAT...E winds 10 to 15 kt. Seas 4 to 6 ft.