Red Flag Warning issued October 02 at 3:32AM PDT until October 03 at 5:00PM PDT by NWS

...Gusty Offshore Winds and Low Humidity into Tuesday... .Breezy and gusty offshore winds are forecast to persist today through Tuesday, especially in the North Bay Mountains and East Bay Hills. These winds will combine with low relative humidity values and result in critical fire weather conditions, especially in the higher elevations.

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2yRNaKS