Active Weather Alerts
Flood Advisory
Issued: 11:21 PM Oct. 13, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 715 PM PDT THIS EVENING... * WHAT...Small stream flooding caused by excessive rainfall is expected. * WHERE...A portion of northern California, including the following counties, southeastern San Mateo and northwestern Santa Cruz. * WHEN...Until 715 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 421 PM PDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. This will cause small stream flooding. Between 0.5 and 1 inch of rain has fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Scotts Valley, Boulder Creek, Ben Lomond and Felton. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. &&
Flood Advisory
Issued: 10:40 PM Oct. 13, 2025 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 645 PM PDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northern California, including the following counties, San Francisco and northwestern San Mateo. * WHEN...Until 645 PM PDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Water over roadways. * ADDITIONAL DETAILS... - At 340 PM PDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 0.5 inches of rain have fallen. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... San Francisco, Daly City, South San Francisco, San Bruno, Pacifica, Burlingame, Millbrae, Hillsborough, El Granada, Brisbane, Colma, Broadmoor, Montara and Moss Beach. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. &&
Marine Weather Statement
Issued: 8:42 PM Oct. 13, 2025 – National Weather Service
...A CHANCE OF THUNDERSTORMS ACROSS THE COASTAL WATERS AND BAYS THROUGH EARLY TUESDAY MORNING.... A deep and cold low pressure system will move southward over the coastal waters and bays resulting in a 20 to 40 percent chance of thunderstorms through early Tuesday morning. Thunderstorms will be capable of producing locally gale force winds and rough seas, lightning, heavy rainfall with reduced visibility, small hail and waterspouts.
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