One of the guys in my fly club fishes from the beach at Seiku and gets a few shots most days during August. He walks the highest point on the shore and spots fish crusing close in and then gets ahead of them. You will never get 20 or 30 a day doing that but you can get some action.
You can rent a kicker for a reasonable price but watch the weather. Juro is right about safety. A few years ago a storm came out of nowhere down the Strait with winds going from 10 mph to 60 mph in 15 minutes. 9 guys died on the US side and 6 in Canada. Have fun but pay attention.