Active Weather Alerts
Coastal Flood Advisory
Issued: 11:33 PM Aug. 7, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT THURSDAY... * WHAT...Up to 1.6 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Francisco Bay, San Pablo Bay, and Monterey Bay. * WHEN...From 5 PM Friday to 2 AM PDT Thursday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.0 ft above normal (6.84 ft MLLW) at 6:55 PM Friday 8/7, 1.4 ft above normal (7.25 ft MLLW) at 8:00 PM Saturday 8/8, 1.6 ft above normal (7.44 ft MLLW) at 9:02 PM Sunday 8/9, 1.6 ft above normal (7.46 ft MLLW) at 10:01 PM Monday 8/10, 1.6 ft above normal (7.44 ft MLLW) at 10:57 PM Tuesday 8/11, and 1.3 ft above normal (7.14 ft MLLW) at 11:49 PM Wednesday 8/12. These predictions include both astronomical tides and roughly 3-6 inches of additional water mainly from a combination of thermal expansion and accumulated sea level rise since the tidal datum was established (1983-2001). High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively. PRECAUTIONARY/PREPAREDNESS ACTIONS... High tides may result in flooding along coastal trails, cut off access to some low-lying coastal areas and beaches, and bring water and waves farther up the beach than typical. If travel is required, allow extra time as some roads may be closed. Do not drive, bike, or walk around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. &&
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