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Elev 123 ft, 37.59 °N, 122.02 °W

Union City, CA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Union City, CA
Elevation: 123ft
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Active Weather Alerts

Small Craft Advisory
Issued: 4:56 AM Dec. 21, 2025 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 AM TO 9 PM PST
SUNDAY...

* WHAT...South winds 15 to 25 kt with gusts up to 35 kt and
rough waters expected.

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

* WHEN...From 9 AM to 9 PM PST Sunday.

* 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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