


Offshore Forecast
Issued by NWS
Issued by NWS
627 FZPN35 KWBC 210356 OFFN35 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 856 PM PDT Wed Aug 20 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 will remain in place over the waters tonight through Thu then weaken and shift W of the area. A trough will develop along the Pac NW coast Fri then persist through Mon night. Cape Flattery to Cape Lookout .TONIGHT...N winds 10 to 20 kt. Seas 3 to 5 ft. .THU...N winds 10 to 20 kt. Seas 3 to 6 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. .FRI...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 3 to 6 ft. .SAT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft. .SUN...NW winds 15 to 25 kt. Seas 5 to 9 ft. .SUN NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. .MON...NW winds 15 to 25 kt. Seas 5 to 9 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft. Cape Lookout to Point St. George .TONIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. .THU...N winds 15 to 25 kt. Seas 5 to 8 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .FRI...N winds 15 to 25 kt. Seas 5 to 9 ft. .FRI NIGHT...N winds 10 to 20 kt. Seas 4 to 7 ft. .SAT...N winds 15 to 20 kt. Seas 4 to 8 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .SUN...N winds 15 to 25 kt. Seas 6 to 8 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. .MON...N winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .Forecaster Folmer. Ocean Prediction Center.