Active Weather Alerts
Marine Weather Statement
Issued: 1:02 AM Dec. 25, 2025 – National Weather Service
...DANGEROUS MARINE CONDITIONS ACROSS THE COASTAL WATERS AND BAYS TONIGHT AND EARLY CHRISTMAS DAY DUE TO WIDESPREAD GALE FORCE WINDS WITH PEAKS OF STORM FORCE GUSTS, ASSOCIATED STEEP SEAS AND THREAT OF THUNDERSTORMS AND ISOLATED WATERSPOUTS... A powerful frontal system will move across the waters tonight and early Christmas Day, bringing dangerous and life-threatening conditions across the waters. Widespread gale force southerly winds will persist with peaks of storm force winds tonight and early Christmas Day. 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.
Wind Advisory
Issued: 12:55 AM Dec. 25, 2025 – National Weather Service
...WIND ADVISORY REMAINS IN EFFECT FROM 8 PM THIS EVENING TO 10 AM PST THURSDAY... * WHAT...South 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 Marin Hills, The Santa Cruz Mountains, Most of San Benito County and the Cholame Hills in Southeast Monterey County, North Bay Interior Mountains, North Bay Interior Valleys, and Southern Salinas Valley/Arroyo Seco and Lake San Antonio. * WHEN...From 8 PM this evening to 10 AM PST Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Strong winds may move loose debris, result in minor damage property, and cause sporadic power outages. Travel could become difficult, especially for high profile vehicles. The combination of wind and moist soils will increase the risk for downed trees. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. &&
Gale Warning
Issued: 10:53 PM Dec. 24, 2025 – National Weather Service
...GALE WARNING REMAINS IN EFFECT UNTIL 3 AM PST FRIDAY... * WHAT...South winds 20 to 30 kt with gusts up to 50 kt and extremely rough waters expected. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 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. &&
Flood Watch
Issued: 10:48 PM 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...San Francisco County, San Mateo Peninsula, East Bay, South Bay, and Central Coast * 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... - Numerous lines of showers and thunderstorms will move across the Bay Area and Central Coast through Friday evening. An additional 1-2" of rain is expected across the interior with locally higher totals between 2-3" across the Santa Cruz Mountains and up to 3" 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. &&
Airport Weather Warning
Issued: 9:48 PM Dec. 24, 2025 – National Weather Service
...AIRPORT WEATHER WARNING IN EFFECT FROM 10 PM THIS EVENING TO NOON PST THURSDAY FOR SAN FRANCISCO INTERNATIONAL AIRPORT... * WHAT...Southerly wind gusts of 40 mph (35 knots) or higher. * WHERE...San Francisco International Airport. * WHEN...From 10 PM this evening to noon PST Thursday. && LAT...LON 3763 12240 3764 12239 3763 12239 3763 12238; 3763 12237 3762 12237 3762 12235 3761 12236; 3761 12237 3760 12238 3761 12240
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