When I resided in Humboldt County, I used to fish the streams, rivers and ocean a lot with a pair of Hodgman Neoprene waders and wading boots. Nothing fancy, but worked fine and I still have them nearly 10 years later and they still work fine.
You'll probably find a breathable pair to be more comfortable though.
Higher quality Brands are:
Orvis, Simms or Patagonia.
Sierra Trading Post often has deals
Kokatat is a very quality brand that provides nice alternatives to waders for those in Northern climates.
If you go the wader route to always wear a pdf and wading belt.
Be sure to share some pics. Oh how I miss the North Pacific!