Oregon has so many parks. NorthwestSkater.com and SkateOregon.com are good resources to find them.
Going north on 101 through Oregon you have parks in Brookings, Gold Beach, Port Orford, Bandon, Coos Bay, Reedsport, Florence, Waldport, Newport, Lincoln City, Tillamook, Bay City, Nehalem, Cannon Beach, Seaside, and Astoria. And that's just me remembering off the top of my head. Granted, most (maybe even all) are transition parks, so if that's not your thing, you might be bummed. Lincoln City is a wild park to see in person even if you aren't a transition skater. You'll probably recognize half of these parks from northwest tour videos like Beauty & the Beast.
Eugene also has really fun parks and it's not all that hard to swing over on Hwy 38 from the coast and back on Hwy 126 without missing any coastal parks and not much of the coast at all. You might even see Ocean Howell at Washington Jefferson Park under the bridge.
The Washington Coast is also really beautiful and a lot different than the Oregon Coast. Quite a bit more wild/rugged in my opinion with very few of the little coastal tourist towns that dot the Oregon Coast. That said, not many spots and the only parks I know of are in Aberdeen, Hoqium, and Forks. And, while the national park and national forests are open, many of the most beautiful coastal areas on the peninsula (like La Push and Neah Bay) are on Indian land and are closed to non-residents due to Covid right now. I'd probably swing in to I5 at Astoria or maybe even around Lincoln City to hit the two dozen parks in the Portland area.
I'm from the Seattle area and go down the Oregon Coast to Crescent City at least once or twice a year. I just did the drive a few weeks back and didn't run into any Covid issues. In fact, pretty much everything seemed open when I was in Oregon, including bars and restaurants and what not. I normally love to hit all the small town coastal dive bars and chat with the crazy characters but opted out this time. Walking/skating around town felt fine and safe but most of the beaches were just as crowded (maybe even more so) than normal. Everybody was wearing masks whenever I had to go inside a gas station or grocery store.