I'd recommend, just a little further north up Hwy. 101. SRC's should be staging, in abundance, at the mouths of Drift Creek and Schooner. Which both feed into, the Siletz. Plus there should be some upstream, as well.
On the fly: The Borden Special; or brown leech pattern about size 6. If spinning: Hot Pink, or Brown Rooster Tails (small 1/8th ounce brown ones for now--they look like small crawdads--that those fish target, just like a protein snack ).
To the south...at Waldport (Alsea Bay), there is another Drift Creek fillin' up with SRC's too. The Borden Special, was specifically designed for those Alsea River SRC's (which locals call Bluebacks).