Weather Alerts For Colma, CA

# HEADLINE -------------------- COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 4 AM PDT THURSDAY # DETAILS -------------------- WHAT Up to 1.8 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. WHERE Bayshore locations along the San Francisco and San Pablo Bays. WHEN Until 4 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 1.7 ft above normal (7.5 ft MLLW) at 10:06 PM 7/12, 1.8 ft above normal (7.6 ft MLLW) at 11:01 PM 7/13, 1.6 ft above normal (7.4 ft MLLW) at 11:55 PM 7/14, 1.3 ft above normal (7.1 ft MLLW) at 12:48 AM 7/16. 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. ISSUED AT Sunday, July 12, 2026 at 9:03 PM PDT ISSUED BY National Weather Service San Francisco CA HEADER Coastal Hazard Message # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. # AREAS AFFECTED -------------------- San Francisco Bay Shoreline, North Bay Interior Valleys, San Francisco