# Coastal Flood Advisory: San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/686daca5a10b1509

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-08 09:03 ingested 2026-09-09 02:51

[original source ↗](http://www.weather.gov/)

## extract

Coastal Flood Advisory — San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Severity: Minor. Certainty: Likely.
* 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 Bay, San
Pablo Bay, and Monterey Bay.

* WHEN...From 8 PM this evening to 1 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 1.2 ft above normal (6.99 ft MLLW) at 9:59 PM
Tuesday 9/8 and 1.0 ft above normal (6.79 ft MLLW) at 10:54 PM
Wednesday 9/9. These predictions include up to 0.6 ft of storm
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.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.