That's what the younger brother did, bought a sailboat in Portland, learned to sail, out the Columbia bar and hop-scotched down the coast to the Sea of Cortez. Seasonal migrant the length of the peninsula.
But the health care available in Mexico didn't help with organ failure, and he made it back as far as the UofO medical castle on the hill overlooking Portland.
I'd look for a protected anchorage, maybe
Tillamook Bay at Garibaldi.
The top of that hill the big G is on would be a perfect place to watch the mega-tsunami crest around you.