* WHAT. North winds 10 to 15 kt with gusts up to 20 kt. * WHERE. Chesapeake Bay north of North Beach MD, Chester River to Queenstown MD, Eastern Bay, and Choptank River to Cambridge MD and the Little Choptank River. * WHEN. Until 6 PM EDT Saturday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Up to one foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in the District of Columbia. * WHEN. Until 11 PM EDT this evening, especially around the time of high tide. * IMPACTS. Shoreline inundation is expected along portions of the seawall adjacent to Ohio Drive and the Hains Point Loop Road, and near the Tidal Basin and Jefferson Memorial.. * ADDITIONAL DETAILS. Tides one and a half to two feet above normal. The next high tide at Washington Channel is at 8:27 AM and 8:48 PM.

* WHAT. Up to one half foot of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Charles and King George Counties. * WHEN. Until 5 PM EDT this afternoon, especially around the time of high tide. * IMPACTS. At 3.5 feet, water reaches yards near Cobb Island and docks near Dahlgren. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Dahlgren is at 3:28 PM and 3:54 AM. The next high tide at Indian Head is at 8:13 AM and 8:34 PM. The next high tide at Goose Bay is at 4:40 PM and 5:08 AM.

North to northwest winds will average around 10 to 15 knots with isolated gusts around 20 knots through 10 AM this morning. Mariners, especially in small craft, should use caution and be prepared for locally higher winds and waves.