Expires:202607171045;;086270 FZPN25 KWBC 162205 OFFPZ5 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 305 PM PDT Thu Jul 16 2026 Washington and Oregon waters- Inner waters from 60 nm to 150 nm offshore. Outer waters from 150 nm to 250 nm offshore. 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. PZZ898-171045- 305 PM PDT Thu Jul 16 2026 .SYNOPSIS FOR WASHINGTON AND OREGON WATERS...A trough along the Vancouver Island coast will weaken tonight into Fri. The trough will reform along the coast Sat night and persist through Tue night. Another trough will extend N along the far SW Oregon coast tonight, continue through Fri night, then expand farther N Sat into Sun before diminishing Sun night into Mon. High pressure will build E toward the area Fri through Sat night, then persist along or just W of 140W through Tue night. $$