38°34'N / 122°26'V / Altitudine 526 m / 13:03 18.05.2026, America/Los_Angeles (UTC-7)
de la: 18.05.2026, 08:57
la: 19.05.2026, 03:00
* WHAT...Up to 0.8 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...North Bay Interior Valleys County. * WHEN...Until 3 AM PDT Tuesday. * 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 0.8 ft above normal (6.66 ft MLLW) at 1:07 AM Tuesday 5/19. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively.
Napa
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.
NWS San Francisco CA
18.05.2026, 08:57