Check back as this list of cams will grow.
Let me know af any good cams that you are aware of.

Webcams in Clatsop County
Various cams in Astoria and Seaside.

Long Beach Cams
Various cams from the Peninsula

Mount St. Helens Volcano Cam
View from the Johnston Ridge Observatory

Sea Lion Caves
The world's largest sea cave

The Monterey Bay Aquarium
Many cams available at this site.