High Tides and Flooding Expected in Mill Valley, CA
• The National Weather Service has issued a Tidal Watch Alert for Mill Valley, CA, and surrounding North Bay interior valleys from Wednesday, November 4, through Monday, November 9,
• Higher-than-normal high tides, combined with up to 1.2 feet of surge, are expected during this period. Predicted high tide levels range from 6.8 feet on November 4 to 7.4 feet on November 7-9, measured in Mean Lower Low Water (MLLW). These elevated tides are likely to cause flooding in low-lying areas, including roads, parking lots, and shoreline zones. Residents and travelers are advised to plan around the morning high tide windows, which extend roughly 1-2 hours before and after the listed times.
Impact & Risks
Flooding is anticipated in low-lying areas such as Miller Avenue, Redwood Highway Frontage Road, and Manzanita 101 freeway access. Impacts may include temporary road closures, ponding near storm drains, and water accumulation in parking areas. Additionally, higher water levels in lagoons, creeks, and marshes may slow drainage and increase traffic congestion. Residents and commuters should prepare for potential disruptions, especially during morning travel hours.
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