OPC High Frequency Voice Marine Forecast (Washington/Oregon)
by Ocean Prediction Center web team
30 Apr 2025 at 3:57pm
FZPN35 KWBC 302157
OFFN35

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
257 PM PDT Wed Apr 30 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 across the region will persist through Thu night. A warm
front will move NE across the northern waters tonight into Thu. A
cold front will approach the waters from the W Thu, then move
across the area Thu night into Fri. High pressure will build in
behind the front Fri night through Mon night.

Cape Flattery to Cape Lookout

.TONIGHT...S to SE winds 5 to 15 kt. Seas 4 to 6 ft.
.THU...S winds 5 to 15 kt. Seas 4 to 7 ft.
.THU NIGHT...S winds 10 to 20 kt. Seas 5 to 9 ft.
.FRI...W to NW winds 15 to 25 kt. Seas 5 to 9 ft. Chance of
rain.
.FRI NIGHT...W to NW winds 10 to 20 kt. Seas 7 to 9 ft.
.SAT...NW winds 10 to 15 kt. Seas 7 to 10 ft.
.SAT NIGHT...NW winds 15 to 25 kt. Seas 7 to 9 ft.
.SUN...NW winds 15 to 25 kt. Seas 6 to 9 ft.
.SUN NIGHT...N to NW winds 10 to 20 kt. Seas 6 to 8 ft.
.MON...W to SW winds 5 to 15 kt. Seas 5 to 7 ft.
.MON NIGHT...W to NW winds 5 to 15 kt. Seas 5 to 8 ft.

Cape Lookout to Point St. George

.TONIGHT...N winds 10 to 20 kt. Seas 5 to 7 ft.
.THU...N winds 10 to 20 kt. Seas 4 to 7 ft.
.THU NIGHT...S to SW winds 10 to 20 kt. Seas 4 to 8 ft.
.FRI...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. Chance of
rain.
.FRI NIGHT...NW winds 10 to 20 kt. Seas 7 to 9 ft.
.SAT...N to NW winds 10 to 20 kt. Seas 8 to 10 ft.
.SAT NIGHT...N to NW winds 15 to 25 kt. Seas 7 to 10 ft.
.SUN...N winds 20 to 30 kt. Seas 6 to 10 ft.
.SUN NIGHT...N winds 20 to 30 kt. Seas 6 to 11 ft.
.MON...N winds 15 to 25 kt. Seas 6 to 10 ft.
.MON NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft.

.Forecaster Hyde. Ocean Prediction Center.





See NWS for further details