* WHAT...For the Small Craft Advisory, north winds 20 to 25 kt with gusts up to 30 kt and waves 2 to 4 ft. For the Gale Warning, north winds 20 to 30 kt with gusts up to 35 kt and waves 2 to 5 ft expected. * WHERE...Chesapeake Bay from North Beach MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN...For the Small Craft Advisory, until 6 PM EDT this evening. For the Gale Warning, from 6 PM this evening to 6 PM EDT Saturday. * IMPACTS...Strong winds will cause hazardous waves which could capsize or damage vessels. Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.