City of Mill Valley Issues Tidal and Flooding Forecast, Advises Residents on High Tide Preparedness
The City of Mill Valley, California, has issued a tidal and flooding forecast for November 4-9, 2026, anticipating higher-than-normal high tides. The National Weather Service predicts up to 1.2 feet of surge on top of astronomical tides during this period. Expected high tides for North Bay interior valleys, including Mill Valley, will peak at 7.4 feet on Saturday, November 7, Sunday, November 8, and Monday, November 9, all around 9:38 AM to 10:35 AM. Residents are advised to expect flooding on low-lying roads and shoreline areas, temporary road or lane closures, ponding near storm drains, and higher water in lagoons, creeks, and marshes. Specific areas likely to be affected include Miller Avenue between Camino Alto and Almonte, the 500 block of Redwood Highway Frontage Road, and Manzanita 101 freeway access.