


Offshore Forecast
Issued by NWS
Issued by NWS
368 FZPN35 KWBC 220335 OFFN35 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 835 PM PDT Thu Aug 21 2025 Washington and Oregon waters- Inner waters from 60 nm to 150 nm offshore. Outer waters from 150 nm to 250 nm offshore. Conditions given represent the highest within that period. 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 WASHINGTON AND OREGON WATERS...High pressure in place over the waters will weaken tonight. The high will settle W of the area and persist into Tue night. A trough will develop along the pacific NW coast Fri then persist through Tue night while high pressure continues W of the waters. Cape Flattery to Cape Lookout .TONIGHT...N winds 15 to 25 kt. Seas 3 to 6 ft. .FRI...N winds 15 to 25 kt. Seas 3 to 6 ft. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 3 to 6 ft. .SAT...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. .SUN...NW winds 15 to 25 kt. Seas 4 to 8 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft. .MON...NW winds 15 to 25 kt. Seas 5 to 8 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 15 to 25 kt. Seas 4 to 7 ft. Cape Lookout to Point St. George .TONIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .FRI...N winds 15 to 25 kt. Seas 5 to 8 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. .SAT...N winds 15 to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. .SUN...N winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. .MON...N winds 15 to 25 kt. Seas 5 to 8 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...N winds 15 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .Forecaster Shaw. Ocean Prediction Center.