* WHAT...For the first Small Craft Advisory, northwest winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, west winds around 10 kt with gusts up to 20 kt expected.
* WHERE...Tidal Potomac from Key Bridge to Indian Head MD and Patapsco River including Baltimore Harbor.
* WHEN...For the first Small Craft Advisory, until midnight EDT tonight. For the second Small Craft Advisory, from 11 AM to 8 PM EDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.