


Offshore Forecast
Issued by NWS
Issued by NWS
329 FZPN35 KWBC 180340 OFFN35 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 840 PM PDT Sun Aug 17 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...A series of low pressure troughs will cross the waters tonight through Tue. High pressure will build over the waters Tue night and persist through Fri night. Cape Flattery to Cape Lookout .TONIGHT...S to SW winds 5 to 15 kt. Seas 5 to 7 ft. .MON...S winds 5 to 15 kt. Seas 5 to 7 ft. Chance of rain. .MON NIGHT...S to SW winds 10 to 20 kt. Seas 4 to 7 ft. .TUE...Variable winds 5 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 4 to 5 ft. .WED...N to NE winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft. .THU...N winds 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...N to NW 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...N to NW winds 10 to 20 kt. Seas 3 to 6 ft. Cape Lookout to Point St. George .TONIGHT...SW winds 5 to 15 kt. Seas 5 to 6 ft. .MON...S to SW winds 5 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...SW winds 5 to 15 kt. Seas 4 to 6 ft. .TUE...Variable winds less than 10 kt. Seas 4 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 4 to 5 ft. .WED...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 10 to 20 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 15 to 25 kt. Seas 5 to 8 ft. .Forecaster Krekeler. Ocean Prediction Center.