OPC High Frequency Voice Marine Forecast (Washington/Oregon)
by Ocean Prediction Center web team
18 Apr 2025 at 3:53pm
FZPN35 KWBC 182150
OFFN35

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
250 PM 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 weak cold front
will move across the waters tonight into early Sat, then push S
of the area by late Sat. High pressure will build in across the
waters behind the front Sat and Sat night, persist through Tue
night, then begin to weaken Wed night as the next low pressure
area approaches from the NW.

Cape Flattery to Cape Lookout

...GALE WARNING...

.TONIGHT...NW winds 10 to 20 kt, becoming N to NW 25 to 35 kt.
Seas 5 to 7 ft, building to 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 6 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 to NW winds 10 to 20 kt. Seas 5 to 8 ft.
.WED...N to NW winds 10 to 20 kt. Seas 5 to 7 ft.
.WED NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 6 ft.

Cape Lookout to Point St. George

.TONIGHT...N winds 20 to 30 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 7 to 12 ft.
.SUN...N winds 20 to 30 kt. Seas 7 to 11 ft.
.SUN NIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft.
.MON...N winds 15 to 25 kt. Seas 6 to 9 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.
.WED...N winds 20 to 30 kt. Seas 6 to 10 ft.
.WED NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft.

.Forecaster Huffman. Ocean Prediction Center.





See NWS for further details