In my opinion, one could spend a lifetime photographing the coastal region of Oregon. This spot is typical of the very frequent early morning foggy conditions you’ll find from Northern California to British Columbia.
There is a small gravel parking area for it 1/3 mile south of milepost 345 on U.S. 101 in Boardman State Park. From there, walk to the trailhead (a small dirt path) and enjoy an overlook into aptly-named Thunder Rock Cove. Follow the trail 1/4 mile to the secluded beach.