Active Weather Alerts
Wind Advisory
Issued: 9:09 PM Dec. 23, 2025 – National Weather Service
...CORRECTION: HIGH WIND WARNING REVERTED BACK TO WIND ADVISORY IN EFFECT UNTIL 4 AM PST WEDNESDAY... * 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 4 AM PST Wednesday. * 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. &&
Airport Weather Warning
Issued: 5:48 PM Dec. 23, 2025 – National Weather Service
...AIRPORT WEATHER WARNING IN EFFECT FROM 1 AM TO 7 AM PST WEDNESDAY FOR SAN FRANCISCO INTERNATIONAL AIRPORT... * WHAT...South wind gusts of 40 mph (35 knots) or higher. * WHERE...San Francisco International Airport. * WHEN...From 1 AM to 7 AM PST Wednesday. && LAT...LON 3763 12240 3764 12239 3763 12239 3763 12238; 3763 12237 3762 12237 3762 12235 3761 12236; 3761 12237 3760 12238 3761 12240
Gale Warning
Issued: 4:55 PM Dec. 23, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY... ...GALE WARNING REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 3 AM PST THURSDAY... * WHAT...For the first Gale Warning, southeast winds 15 to 25 kt with gusts up to 45 kt and very rough waters expected. For the second Gale Warning, south winds 20 to 30 kt with gusts up to 40 kt and very rough waters expected. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...For the first Gale Warning, until 3 AM PST Wednesday. For the second Gale Warning, from 3 PM Wednesday to 3 AM PST Thursday. * 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. &&
Gale Warning
Issued: 4:55 PM Dec. 23, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY... ...GALE WARNING REMAINS IN EFFECT FROM 3 PM WEDNESDAY TO 3 AM PST THURSDAY... * WHAT...For the first Gale Warning, southeast winds 15 to 25 kt with gusts up to 45 kt and very rough waters expected. For the second Gale Warning, south winds 20 to 30 kt with gusts up to 40 kt and very rough waters expected. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...For the first Gale Warning, until 3 AM PST Wednesday. For the second Gale Warning, from 3 PM Wednesday to 3 AM PST Thursday. * 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. &&
Flood Watch
Issued: 1:07 PM Dec. 23, 2025 – National Weather Service
...FLOOD WATCH REMAINS IN EFFECT FROM 10 AM PST THIS MORNING THROUGH FRIDAY EVENING... * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...San Francisco County, San Mateo Peninsula, East Bay, South Bay, and Central Coast * WHEN...From 10 AM PST this morning 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... - A series of atmospheric rivers will result in multiple rounds of moderate to heavy rainfall this week across the Bay Area and Central Coast. An additional 2-4" of rain is expected across the interior with locally higher totals between 4-6" across the Santa Cruz Mountains and up to 8" across the Santa Lucia Range. Flooding potential will increase with each successive round of rain. Sharp rises in smaller creeks and streams are expected with at least some potential for minor flooding in mainstream rivers. - 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. &&
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