Active Weather Alerts
Gale Warning
Issued: 12:30 PM Dec. 24, 2025 – National Weather Service
...GALE WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PST FRIDAY... * WHAT...South winds 20 to 30 kt with gusts up to 45 kt and very rough waters expected. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...From 3 PM this afternoon to 3 AM PST Friday. * IMPACTS...Strong winds will cause hazardous seas which could capsize or damage vessels and reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions. &&
Wind Advisory
Issued: 11:23 AM Dec. 24, 2025 – National Weather Service
...WIND ADVISORY NOW IN EFFECT UNTIL 8 AM PST THIS MORNING... * WHAT...Southeast winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...The East Bay and San Francisco Bay Shoreline, The Santa Clara Valley and Eastern Hills, The Santa Cruz Mountains, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, and North Bay Interior Valleys. * WHEN...Until 8 AM PST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. &&
Flood Watch
Issued: 7:40 AM Dec. 24, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT THROUGH FRIDAY EVENING... * WHAT...Flooding caused by excessive rainfall continues to be possible from multiple lines of showers and thunderstorms, strong at times, moving across the area. * WHERE...The Northern San Francisco Bay Area (Napa, Sonoma, and Marin counties). * WHEN...Through Friday evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low water crossings may become flooded. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Multiple rounds of moderate to heavy rainfall are expected across the North Bay through Friday evening. An additional 3-5" is possible over the North Bay Mountains and 2-3" over the North Bay Valleys by Friday. Nuisance flooding will increase throughout the week with sharp rises in smaller creeks and minor flooding along some of the mainstream rivers (Russian River, Napa River). Debris flows are possible particularly for the Pickett Burn Scar. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop. &&
Marine Weather Statement
Issued: 4:31 AM Dec. 24, 2025 – National Weather Service
...DANGEROUS MARINE CONDITIONS ACROSS THE COASTAL WATERS OF CENTRAL CALIFORNIA THROUGH FRIDAY MORNING DUE TO WIDESPREAD GALE FORCE WINDS WITH ASSOCIATED STEEP SEAS AND THREAT OF THUNDERSTORMS AND ISOLATED WATERSPOUTS... A powerful complex of surface lows are forecasted to move through the waters over the next three days, bringing dangerous and life- threatening conditions across the waters. Widespread gale force southerly winds will persist with peaks of storm force winds overnight Tuesday night and again Thursday morning. The strong winds will bring dangerous and very steep, choppy seas. The storm will also bring the threat of thunderstorms, some of which could be strong, with locally damaging winds. Conditions are also favorable for isolated waterspouts. Monitor NOAA Weather Radio for the latest information, forecasts, and warnings. This will be a dangerous storm and mariners should exercise extreme caution and are urged to remain in safe harbor for the duration of the storm.
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