OPC High Frequency Voice Marine Forecast (Washington/Oregon)
by Ocean Prediction Center web team
10 Sep 2025 at 8:57am
FZPN35 KWBC 101456
OFFN35

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
756 AM PDT Wed Sep 10 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 high pressure
ridge will continue to build E into the waters today, then move
slowly E and SE across the area tonight into Fri. A cold front
will move E into the outer waters Fri into Sat. Low pressure will
track NE and E along the front Sat and Sat night as the front
continues moving E over the area. The low will then continue
moving E Sun and Sun night as high pressure builds SW of the
region.

Cape Flattery to Cape Lookout

.TODAY...N to NW winds 10 to 20 kt. Seas 4 to 7 ft.
.TONIGHT...NW winds 10 to 20 kt. Seas 4 to 6 ft.
.THU...W to NW winds 5 to 15 kt. Seas 5 to 9 ft.
.THU NIGHT...S to SW winds 10 to 20 kt. Seas 6 to 10 ft.
.FRI...S winds 10 to 20 kt. Seas 7 to 10 ft.
.FRI NIGHT...N winds 10 to 20 kt. Seas 7 to 9 ft.
.SAT...N winds 15 to 25 kt. Seas 6 to 9 ft.
.SAT NIGHT...N winds 20 to 30 kt. Seas 7 to 12 ft.
.SUN...N winds 15 to 25 kt. Seas 7 to 12 ft.
.SUN NIGHT...N to NW winds 10 to 20 kt. Seas 5 to 9 ft.

Cape Lookout to Point St. George

.TODAY...N winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...N winds 10 to 20 kt. Seas 5 to 6 ft.
.THU...N winds 5 to 15 kt. Seas 5 to 6 ft.
.THU NIGHT...N winds 5 to 15 kt. Seas 5 to 8 ft.
.FRI...S to SW winds 10 to 20 kt. Seas 7 to 9 ft.
.FRI NIGHT...S to SW winds 5 to 15 kt. Seas 7 to 9 ft.
.SAT...S winds 15 to 25 kt. Seas 6 to 9 ft.
.SAT NIGHT...NW winds 20 to 30 kt. Seas 9 to 15 ft.
.SUN...NW winds 20 to 30 kt. Seas 9 to 15 ft.
.SUN NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 13 ft.

.Forecaster Anderson. Ocean Prediction Center.





See NWS for further details