SAN FRANCISCO (CBS SF) — High winds have prompted the cancellation of dozens of flights at San Francisco International Airport.

According to airport officials, 35 departing flights and 35 arriving flights have been cancelled as of 10:30 a.m. Most of those flights were to and from places along the West Coast.

Flight delays were averaging about 15 to 30 minutes by 11 a.m. according to SFO officials.

Travelers are advised to call ahead to see if their flight has been cancelled.

The National Weather Service issued a wind advisory for that is expected to remain in effect all day Wednesday for the East Bay hills and the Diablo Range.

Motorists on Bay Area bridges were being warned exercise caution due to the wind gusts.