Hazardous Seas Watch on N. Oregon Coast, S. Washington Coast, Waves Up To 15 Ft

Published 02/20/26 at 4:55 a.m.
By Oregon Coast Beach Connection Staff

(Yachats, Oregon) – Waves along the north Oregon coast and south Washington coast are going to get fairly dangerous for mariners, but those on the beaches may have to take some extra caution. Waves as high as 15 feet are on their way – which could also mean a decent show at rocky areas like Oceanside, Depoe Bay or Yachats.

These won't be large enough to make for the towering displays at Cape Disappointment or Shore Acres near Coos Bay, however.

A hazardous seas watch has been issued for the inner coastal waters from Cape Shoalwater (Willapa Bay) to Florence, in effect from late Friday night through Sunday morning. The NW said that very steep, dangerous seas of 11 to 16 feet are possible during this period, creating conditions that could capsize smaller vessels or cause damage to boats caught offshore. A brief period of Small Craft Advisory-level winds may develop several hours before the hazardous seas arrive. Mariners are urged to reconsider travel plans and avoid heading out during the expected peak of hazardous conditions.

As the weekend ramps up, so will offshore waves. While the hazardous seas watch will more affect mariners than beach walkers, when waves get over ten or 13 feet it starts to get iffy on beaches. Jetties and the edges of rocky areas will not be good places to hang out.

Oceanside - Oregon Coast Beach Connection

Coastal waters are expected to see steadily building seas through the weekend as a series of weather systems moves across the region.

Friday night: Seas of 4 to 5 feet build to 6 to 9 feet after midnight as evening showers give way to steady rain.

Saturday: Seas rise to 9 to 12 feet with widespread rain throughout the day.

Saturday night: Rough conditions continue as seas increase from 11 to 13 feet to 12 to 15 feet after midnight. Rain persists.

Sunday: Large seas of 11 to 15 feet hold through the day with continued rain.

Sunday night: Seas remain at 11 to 15 feet before easing to 9 to 13 feet after midnight. Rain continues.

Monday: Seas settle to 8 to 10 feet with ongoing rain.

Monday night: Seas ease further to 6 to 9 feet under steady rain.

See all the warnings for Oregon.

Washington Coast Weather

Astoria / Warrenton Weather
Seaside Weather
Cannon Beach
Manzanita Weather / Waves
Nehalem Bay / Wheeler
Rockaway Beach Waves, Weather
Oceanside/Tillamook
Pacific City Weather, Waves
Lincoln City Waves, Weather
Depoe Bay Weather
Newport Waves, Weather
Yachats
Florence
Coos Bay - North Bend - Charleston
Bandon Weather
Port Orford Weather
Gold Beach Weather
Brookings Weather

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