


Offshore Forecast
Issued by NWS
Issued by NWS
103 FZPN35 KWBC 181543 OFFN35 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 843 AM PDT Fri Apr 18 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 trough will remain in place along the Washington and Vancouver Island coasts through Sat, weaken Sat night and Sun, then slightly strengthen and persist Sun night through Tue night. High pressure will weaken across the waters today as a cold front approaches and moves SE across the waters through tonight. High pressure will rebuild across the waters behind the front Sat and Sat night, then gradually weaken through Tue night. Cape Flattery to Cape Lookout ...GALE WARNING... .TODAY...NW winds 15 to 25 kt. Seas 4 to 7 ft. .TONIGHT...N to NW winds 25 to 35 kt. Seas 7 to 12 ft. .SAT...NW winds 25 to 35 kt. Seas 8 to 12 ft. .SAT NIGHT...NW winds 15 to 25 kt. Seas 7 to 10 ft. .SUN...NW winds 15 to 25 kt. Seas 7 to 9 ft. .SUN NIGHT...NW winds 20 to 30 kt. Seas 7 to 10 ft. .MON...NW winds 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. Cape Lookout to Point St. George .TODAY...N winds 15 to 25 kt. Seas 4 to 8 ft. .TONIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .SAT...N winds 20 to 30 kt. Seas 8 to 11 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 8 to 13 ft. .SUN...N winds 20 to 30 kt. Seas 7 to 12 ft. .SUN NIGHT...N winds 15 to 25 kt. Seas 7 to 10 ft. .MON...N winds 15 to 25 kt. Seas 6 to 10 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft. .TUE...N winds 20 to 30 kt. Seas 6 to 10 ft. .TUE NIGHT...N winds 20 to 30 kt. Seas 6 to 10 ft. .Forecaster Huffman. Ocean Prediction Center.