* WHAT...southwest winds 15 to 20 kt with gusts to 25 knots and choppy waters expected.
* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge.
* WHEN...For the first Small Craft Advisory, from 3 PM this afternoon to 9 PM PDT this evening. For the second Small Craft Advisory, from 3 PM to 9 PM PDT Friday.
* IMPACTS...Conditions will be hazardous to small craft.