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Active official alertUpdated

Coastal Flood Advisory for San Francisco; San Francisco Bay Shoreline; Northern Monterey Bay +1 more

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What you need to know

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Minor
Official urgency
Expected
Official certainty
Likely

What is happening

What: Up to 1.2 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. Impacts: Flooding of lots, parks, and roads with only isolated road closures expected. High tides will result in flooding along coastal trails, cut off access to some low- lying beaches and...

What the bulletin says to do

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.

Full official description

Bulletin details

* WHAT...Up to 1.2 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 Monterey Bays. * WHEN...From 9 AM Friday to 3 PM PDT Tuesday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. High tides will result in flooding along coastal trails, cut off access to some low- lying beaches and coastal areas, and bring water and waves farther up the beach than typical. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be 1.0 ft above normal (6.86 ft MLLW) at 11:22 AM Friday 10/9, 1.2 ft above normal (7.06 ft MLLW) at 11:50 AM Saturday 10/10, 1.2 ft above normal (7.08 ft MLLW) at 12:18 PM Sunday 10/11, 1.2 ft above normal (7.03 ft MLLW) at 12:46 PM Monday 10/12, 1.1 ft above normal (6.90 ft MLLW) at 1:14 PM Tuesday 10/13, and 0.9 ft above normal (6.72 ft MLLW) at 1:46 PM Wednesday 10/14. These predictions include up to 1.0 ft of surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.

Official geometry where available

Alert boundary

Lifecycle record

Official revisions

1 captured
  1. Alert

    Coastal Flood Advisory issued October 7 at 12:33PM PDT until October 13 at 3:00PM PDT by NWS San Francisco CA

    Official revision

Source and limitations

Publisher: Weather Alert Watch. Primary source: NWS San Francisco CA. This page reorganizes official fields and does not add a forecast or expand the affected area.

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