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Elev 282 ft, 37.71 °N, 122.09 °W

Castro Valley, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Castro Valley, CA
Elevation: 282ft
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Active Weather Alerts

Small Craft Advisory
Issued: 9:57 AM May. 18, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT THIS
MORNING...

* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and
rough waters.

* WHERE...San Francisco Bay South of the Bay Bridge.

* WHEN...Until 9 AM PDT this morning.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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