38°17'N / 122°17'V / Altitudine 6 m / 09:46 18.05.2026, America/Los_Angeles (UTC-7)
de la: 17.05.2026, 23:00
la: 18.05.2026, 11:00
* WHAT...North to northeast winds 15 to 30 mph with gusts up to 50 mph expected. Local gusts up to 60 mph. * WHERE...The Santa Cruz Mountains, North Bay Interior Mountains, Eastern Santa Clara Hills, and East Bay Hills. * WHEN...Until 11 AM PDT Monday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Napa
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
NWS San Francisco CA
17.05.2026, 21:24
de la: 18.05.2026, 05:53
la: 18.05.2026, 12:45
* WHAT...Up to 1.0 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...Bayshore locations along the San Pablo Bay. * 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: 1.0 ft above normal (6.80 ft MLLW) at 12:17 AM Monday 5/18 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,North Bay Interior ValleysIf 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 CA18.05.2026, 05:53