As of 2026-01-04, the San Francisco Bay Area is experiencing significant flooding due to a combination of intense rainfall and **king tides**, which have led to widespread road closures and property damage. The National Weather Service has issued multiple advisories, warning residents of the ongoing and anticipated risks. Marin County, Sonoma County, Alameda County, San Mateo County, and San Francisco have all reported severe flooding, with several businesses and roads left underwater. Residents are encouraged to stay informed and prepared as the situation evolves.
King tides, a natural phenomenon that occurs during the alignment of the sun and moon, have exacerbated the effects of recent storms, resulting in some of the worst flooding the area has seen in decades. The National Weather Service has reported that the current conditions have not been seen since 1998, with 2.5 feet of coastal flooding expected. The combination of these natural factors and the increased rainfall has led to a heightened risk of seawater flooding, particularly in low-lying areas around the bay. Marin County, in particular, has experienced significant damage, with several neighborhoods and businesses inundated with water.
The impacts of this event are multifaceted, affecting transportation, infrastructure, and local economies. Roads in various counties have been closed, disrupting travel and causing inconvenience for residents and commuters. Businesses, especially those located in flood-prone areas, have had to suspend operations, leading to potential revenue losses. Local authorities are working diligently to mitigate the damage and restore services, but the ongoing nature of the weather conditions poses significant challenges.
The National Weather Service has issued coastal flood and wind advisories, emphasizing the need for caution. The advisories are expected to remain in effect until Saturday afternoon, with continued monitoring and updates recommended. The San Francisco Bay shoreline, particularly in the North Bay, is at high risk.
The federal government has released a statement calling for urgent measures to address the flooding in the Bay Area and urging residents to heed the advice of local authorities. The statement emphasizes the importance of safety and preparedness in the face of extreme weather events. With the ongoing threats of king tides and heavy rainfall, the federal government is working closely with local and state officials to provide necessary support and resources.
As the Bay Area continues to grapple with these unprecedented weather conditions, residents and businesses are urged to stay vigilant and follow the guidance of local authorities. The convergence of storms and king tides presents a complex situation, but with coordinated efforts, the region can navigate through this challenging period. The National Weather Service continues to monitor the situation and will provide updates as needed.
