Congratulations on your award, what a wonderful opportunity!
I am fortunate to have lived in Oregon for much of my adult life and since I've been photographing since I was nine, that's a powerfully long time. The Oregon Coast is truly a treasure, all 300+ miles, which, Thanks to Tom McCall, our visionary governor from 1967 to 1975, it's ALL PUBLIC LAND. Each part has it's strengths, there are few weaknesses. I've travelled all of it, mostly the north and central areas since I live in the Portland area but you can literally pick a spot and be able to make great images. My favorite is the central and south, from Yachats south to Bandon. A single message cannot convey the wealth of beauty. As someone also suggested, the Columbia Gorge, an hour east of Portland, is spectacular beyond belief, though it does require some hiking uphill to get to the good stuff.
Winter tends to be stormy but it's not often cold, certainly by Lake Superior standards. Autumn is lovely, often overcast just because of the common marine layer of cloud but I've had clouds and rain in August as well. Spring can have everything from sun to hail, quite unpredictable but that's the beauty. Bring rain gear and rain protection for your equipment whenever you come. If you have specific questions about specific areas, please feel free to message me. I'd be happy to help.