Active Weather Alerts
Special Weather Statement
Issued: 1:23 AM May. 27, 2026 – National Weather Service
...A STRONG THUNDERSTORM WILL IMPACT EAST CENTRAL CONTRA COSTA AND NORTHEASTERN ALAMEDA COUNTIES UNTIL 645 PM PDT... At 623 PM PDT, Doppler radar was tracking a strong thunderstorm over Byron, or 8 miles south of Oakley, moving southeast at 15 mph. HAZARD...Wind gusts up to 40 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Discovery Bay and Byron. PRECAUTIONARY/PREPAREDNESS ACTIONS... This replaces SPS 10441. Monitor the weather situation closely and be alert for threatening weather conditions. && MAX HAIL SIZE...0.25 IN; MAX WIND GUST...40 MPH
Small Craft Advisory
Issued: 9:38 PM May. 26, 2026 – National Weather Service
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT WEDNESDAY... * WHAT...West winds 15 to 25 kt with gusts up to 35 kt and rough waters. * WHERE...San Francisco Bay South of the Bay Bridge. * WHEN...Until 3 AM PDT Wednesday. * 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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