Having grown up and getting married and adding kids in Bandon, OR I will first admit some prejudice. That being said the beach and bluffs around town are spectacular and very popular with photogs. Pay attention to the tide table and watch the wave action. Every year there’s a tourist or three that gets in trouble and or drowns. I am not kidding. North of there make sure you go to Shore Acres state park near Charleston. Heading north find Cape Perpetua headlands and lighthouse. The reef scene at Shore Acres is violent and enthralling at high tide. Pay attention to the warning signs about. They are not kidding. The Florence harbor is worth a visit. Work your way north to Canon Beach, another area with great sea stacks. Really almost all of the Oregon coast is a photog’s dream. Bring rain gear and windproof clothing regardless of time of year. It’s fickle.

For samples of what you’ll see search Susan Dimock Photography. She’s a pro that lives in Bandon and is highly talented. She a friend of mine. Her work will leave an impression.

Can’t advise as to California beaches. Never spent much time there. Have a great trip.

One thing about Pacific Northwest weather.if you don't like it, wait five minutes and it can change. These conditions can happen in five minutes or take five days to change depending on time of year. September and October offer the safest opportunity. You don't mention your starting point, but if you can afford the time, start in the Redwoods in Northern California near Crescent City and work your way up the Oregon Coast to Washington State. Highway access to the Coast is better in Oregon than Washington, but it is an adventure that shouldn't be missed, Whatever time you are allowing, triple it,

I say this as a professional photographer with about 1000 assignments for Sunset Magazine in the Pacific Northwest over a 30 year period and resident of the Seattle area since 1964.

Come and enjoy, That should be, in my opinion the biggest reward.