Which wineries in Sonoma Coast have outdoor seating?
Spill lists 20 wineries in Sonoma Coast that confirm outdoor seating. Walk-ins are welcome at 3 of them, and 10 ask for a reservation. A typical tasting is $35. The winery itself maintains the facts on one of these pages.
Is outdoor seating at Sonoma Coast wineries first come, first served?
It depends on the winery. Many seat outdoors by reservation like any other tasting, and a few keep the patio for walk-ins. The winery's page says which, and weather can close a patio on the day.