Every year we spend 2 weeks in Port Renfrew, BC. Look at your map....it's the next town east ( you'd think it should be south, but it isn't). We have definately realized that the earlier you can fish in August, the better. The fish aren't as plentiful later in the month.
Bring plenty of your own herring, as the herring they sell up there could be filleted and grilled for dinner.
We mooch for the kings, and everyone local uses down-riggers. We do very, very well mooching. enough that one guide who we have befriended, switched ( for awhile, anyway ).
We trailer our 22' Renken up on the ferry out of Port Angeles. We could make the run straight across out of Neah Bay, in about 25 to 30 minutes, but if you have a engine problem, you're up the creek since Renfrew is pretty remote with few facilities. Anyway, we ran out 22 miles last August just for the giggles of catching silvers as fast as you could reel 'em in. The water can get lumpy, but we've not seen a real dangerous sea in August up there. The big concern is freighters if you are in the fog.
From Port Renfrew, we head out of San Juan Harbor, 3 miles to the coast. Hook a right and start fishing. Some of the locals go as far west as Bamfield, but we've never needed to chase fish that far. Great place to go dangle a bait!
If you're interested in staying in Port Renfrew, let me know and I'll tell you about the cabin we rent. It's surrounded by water on three sides. They call it Alcatraz.
Good luck!
diana