Active Weather Alerts
Small Craft Advisory
Issued: 3:48 PM May. 18, 2026 – National Weather Service
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PDT THIS AFTERNOON... ...GALE WARNING WILL EXPIRE AT 9 AM PDT THIS MORNING... * WHAT...North winds 15 to 25 kt with occasional gusts up to 35 kt and rough waters expected. * WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge. * WHEN...Until 3 PM PDT this afternoon. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions. &&
Red Flag Warning
Issued: 7:08 PM May. 17, 2026 – National Weather Service
...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE ZONES 124,142,144,145,146,148,149,150,152,153,154,155,156, 157,158,159,160,161,163 AND 164... * Winds...North winds 20 to 30 mph. Gusts 35 to 45 mph, locally up to 50 mph around the Delta and the western Sacramento Valley. * Humidity...Daytime minimum humidities of 7 to 15%. Overnight maximum relative humidities of 20 to 45%. * Highest Threat...Along and west of the Interstate 5 corridor in the Sacramento Valley. Strongest winds are expected today. * Impacts...The combination of gusty winds and low humidity can cause fire to rapidly grow in size and intensity. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. &&
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