One of my newsletters just sent me this. Don't know if tickets are still available, you'll need to check the websites:
36th Annual Wine Road Barrel Tasting
February 28-March 2 and March 7-9, Sonoma Wine Country
From 11a-4p, more than 100 wineries in Russian River, Dry Creek, and Alexander Valleys—including Rodney Strong, Korbel, Quivira, Simi, and dozens more—open the doors to their wine cellars and allow the public to sample their wares straight from the barrel.
2014 Savor Sonoma Valley: A Premium Wine & Culinary Experience
Saturday & Sunday, March 15-16, Sonoma Wine Country
Each of the 26 wineries will be showcasing their 2013 vintage wines straight from the barrels, sampling new releases, and offering award-winning wines paired perfectly with culinary creations prepared by local chefs and restaurants. Meet winemakers, mingle with wine lovers behind-the-scenes, peruse art from local artists, and listen to live music.