I'm not familiar with the Wilson. But this is copied directly from the reg book. Hope that this helps.
Wilson River (Mainstem) Hwy 101 bridge to South Fork
• Open all year for hatchery steelhead.
• Open for hatchery spring Chinook salmon Jan 1 - Jul 31.
• Open for fall Chinook salmon Aug 1 - Dec 31 (North Coast Wild Chinook Aggregate Bag Limit applies).
• Use of bait allowed.
• Closed to salmon angling above Jordan Cr (RM 21.9) Aug 1 - Dec 31.
Tributaries and river sections not listed are closed.
Wilson River, Little North Fork
• Open for hatchery steelhead Jan 1 - Mar 31 and Dec 1-31.
Wilson River, South Fork Mouth to marked deadline near MP 1
Open for hatchery steelhead Jan 1 - Mar 31 and Dec 1-31.
Tributaries and river sections not listed are closed.