Coastal Flood Advisory

* WHAT...Up to one half foot of inundation above ground level expected in low lying areas due to tidal flooding.

* WHERE...Shoreline in St. Marys County.

* WHEN...From 10 PM this evening to 3 AM EDT Friday, especially around the time of high tide.

* IMPACTS...At 3.5 feet, water covers roads on Saint George Island, is in yards, and is approaching structures. To the east, inundation is occurring at multiple marinas off St. Mary's River, Smith Creek, and Jutland Creek.

* ADDITIONAL DETAILS...Tides two to two and a half feet above normal. The next high tide at Coltons Point is at 1:07 AM and 1:25 PM. The next high tide at Piney Point is at 12:31 AM and 12:49 PM. The next high tide at Point Lookout is at 11:15 PM and 11:55 AM.