Havdallah services and Israeli dancing. Service led by Rabbi Lee Bycel followed by folk dancing led by Sarah Accomazzo from Café Simcha in Berkeley. At Congregation Beth Shalom of Napa Valley, 1455 Elm St., Napa. 7 p.m. $18. www.cbsnapa.org.
Bonfire. Yeashore community presents Havdallah service followed by songs and stories. At Ocean Beach, across from Beach Chalet, near Fulton Street. Look for fish wind sock. S.F. 6:30 p.m. Free. www.yeashore.org.