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Elev 197 ft, 38.5 °N, 123 °W

Guerneville, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Guerneville, CA
Elevation: 197ft
Nearby Weather Stations

Active Weather Alerts

Small Craft Advisory
Issued: 3:42 AM May. 19, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt.

* WHERE...Coastal Waters from Point Arena to Point Reyes
California out to 10 NM.

* WHEN...Until 3 AM PDT Tuesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

Coastal Flood Advisory
Issued: 3:57 PM May. 18, 2026 – National Weather Service
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
TUESDAY...

* 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.

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.

&&

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