...COASTAL FLOOD ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING...

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

* WHERE...Shoreline in the District of Columbia.

* WHEN...Until 9 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.

* ADDITIONAL DETAILS...Tides one and a half to two feet above normal. The next high tide at Washington Channel is at 6:42 PM and 7:01 AM.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.