Heads up, shellfish fans — if you’re heading to the beach this spring, there are some important new rules to know about.
As of April 1, WDFW rolled out two significant changes for recreational shellfish harvesting statewide. The minimum size for cockles jumped from 1½ inches to 2½ inches, giving more cockles a chance to reach reproductive age. And the geoduck daily limit dropped from 3 per person to just 1 per person per day — a move to protect those slow-recovering intertidal populations. If you haven’t updated your knowledge of the regs this season, now is the time.
For Hood Canal harvesters, mark your calendars: Twanoh State Park near Union opens for clam digging May 15 through June 15, with oyster season running through September 30. But there’s an important heads-up — beach access at Twanoh will close after clam season wraps for a shoreline restoration project, and campsite reservations are shut down from June 1 through spring 2027. Plan your Twanoh trips accordingly.
Meanwhile, Lake Cushman is still in its spring drawdown phase. Boat launches won’t be usable until closer to Memorial Day when the water comes back up — so hold off on trailering the boat out there for another few weeks.
Key Outdoors Updates — Mason County
- WDFW Shellfish Rule Changes (effective April 1, 2026): Cockle minimum size raised to 2½ inches. Geoduck daily limit reduced to 1 per person. Applies statewide including all Hood Canal beaches.
- Twanoh State Park (Union): Clam season open May 15–June 15. Oyster season through September 30. Beach access closes after clam season for shoreline restoration. Campsite reservations closed June 1–spring 2027.
- Lake Cushman: Spring drawdown ongoing. Boat launches unavailable until Memorial Day weekend.
Always check both the WDFW season status AND the Department of Health biotoxin map before harvesting. Stay safe out there and enjoy the spring weather.
Sources: WDFW Shellfish Regulations News Release, NW Sportsman Magazine, WDFW Twanoh Beach Page, WA State Parks
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