San Francisco, UNITED STATES
A passenger ferry boat makes its way through heavy surf in San Francisco Bay near the Golden Gate Bridge...
A passenger ferry boat makes its way through heavy surf in San Francisco Bay near the Golden Gate Bridge in San Francisco, California December 16, 2014. A gale warning for offshore winds has been issued through Friday as another round of storms is expected to hit the Bay Area. REUTERS/Robert Galbraith (UNITED STATES - Tags: DISASTER ENVIRONMENT)