closegps_fixed
Elev 256 ft, 38.51 °N, 122.47 °W

St. Helena, CA Severe Weather Alertstar_ratehome

icon65 Â°F St. Helena Station|Report|Change
Current Station
Personal Weather Station
Location: St. Helena, CA
Elevation: 256ft
Nearby Weather Stations

Active Weather Alerts

Small Craft Advisory
Issued: 3:51 AM Aug. 15, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM TO 9 PM PDT
FRIDAY...

* WHAT...West winds 15 to 20 kt with gusts up to 30 kt and
choppy waters expected.

* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San
Francisco Bay north of the Bay Bridge.

* WHEN...From 3 PM to 9 PM PDT Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

Local Radar
Local Radar ImageLocal Severe Image