Active Weather Alerts
Flood Advisory
Issued: 3:02 PM Jan. 3, 2026 – National Weather Service
...FLOOD ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... * WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Northwestern Marin County in northern California... Southeastern Sonoma County in northern California... * Until 1000 AM PST. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. * ADDITIONAL DETAILS... - At 656 AM PST, Doppler radar and automated rain gauges indicated heavy rain. This is causing urban and small stream flooding. Overflowing poor drainage areas have already caused minor flooding in the advisory area. Mark West Creek, Colgan Creek, Wiggins Creek, and Santa Rosa Creek are in action stage due to runoff from resent rainfall. Additionally, law enforcement has reported flooding in and around Valley Ford. - Some locations that will experience flooding include... Santa Rosa, Petaluma, Rohnert Park, Windsor, Sebastopol, Cotati, Tomales, Dillon Beach, Point Reyes Station, South Santa Rosa Cdp, Roseland, Forestville, Inverness, Occidental, South Santa Rosa, Graton and Bodega Bay. - 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 especially cautious at night when it is harder to recognize the dangers of flooding. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. &&
Small Craft Advisory
Issued: 10:47 AM Jan. 3, 2026 – National Weather Service
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 9 AM PST SUNDAY... * WHAT...South winds 15 to 25 kt with gusts up to 35 kt and rough waters. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 9 AM PST Sunday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Coastal Flood Advisory
Issued: 6:59 AM Jan. 3, 2026 – National Weather Service
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM PST SATURDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 2 PM PST SUNDAY... * WHAT...For the Coastal Flood Warning, significant coastal flooding expected due to high astronomical tides and storm surge. Up to 2.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways during the morning high tide Saturday. For the Coastal Flood Advisory, up to 2.0 ft inundation is possible. * WHERE...Adjacent to the San Francisco and San Pablo Bays. * WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday. For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST Sunday. * IMPACTS...Numerous roads will be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1.3 feet of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. &&
Coastal Flood Warning
Issued: 6:59 AM Jan. 3, 2026 – National Weather Service
...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM PST SATURDAY... ...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 2 PM PST SUNDAY... * WHAT...For the Coastal Flood Warning, significant coastal flooding expected due to high astronomical tides and storm surge. Up to 2.5 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways during the morning high tide Saturday. For the Coastal Flood Advisory, up to 2.0 ft inundation is possible. * WHERE...Adjacent to the San Francisco and San Pablo Bays. * WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday. For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST Sunday. * IMPACTS...Numerous roads will be closed. Low lying property including homes, businesses, and some critical infrastructure will be inundated. Some shoreline erosion will occur. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3 1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include up to 1.3 feet of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth. &&
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