* WHAT. Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. From 1 AM to 7 AM EDT Tuesday, especially around the time of high tide. * IMPACTS. At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 3:35 AM.

* WHAT. Heat index values up to 101 expected. * WHERE. In Maryland, Washington and Central and Eastern Allegany Counties. In West Virginia, Eastern Mineral, Berkeley, Jefferson, and Morgan Counties. * WHEN. From noon today to 8 PM EDT this evening. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. For the first Small Craft Advisory, south winds 10 to 15 kt with gusts up to 20 kt. For the second Small Craft Advisory, south winds 10 to 15 kt with gusts up to 20 kt expected. * WHERE. Chesapeake Bay from Sandy Point MD to Smith Point VA, Tidal Potomac from Cobb Island MD to Smith Point VA, Eastern Bay, Choptank River to Cambridge MD and the Little Choptank River, and Tangier Sound and the inland waters surrounding Bloodsworth Island. * WHEN. For the first Small Craft Advisory, until 6 AM EDT early this morning. For the second Small Craft Advisory, from 2 PM this afternoon to 1 AM EDT Wednesday. * IMPACTS. Conditions will be hazardous to small craft.

* WHAT. Up to one and a half feet of inundation above ground level in low lying areas due to tidal flooding. * WHERE. Shoreline in Anne Arundel County. * WHEN. Until 7 AM EDT this morning, especially around the time of high tide. * IMPACTS. At 2.8 feet, flooding of some of the parking area near Dock Street in Annapolis may occur, with water surrounding the Alex Haley Memorial. * ADDITIONAL DETAILS. Tides one to one and a half feet above normal. The next high tide at Annapolis U.S. Naval Academy is at 3:35 AM and 2:45 PM.