* WHAT. For the Coastal Flood Advisory, up to one to two feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the Beach Hazards Statement, dangerous rip currents and large breaking waves expected in the surf zone. * WHERE. Northern Outer Banks and Hatteras Island. * WHEN. For the Coastal Flood Advisory, until 5 PM EDT Tuesday. For the Beach Hazards Statement, from 8 AM EDT Monday through Monday evening. * IMPACTS. Up to 2 feet of inundation above ground level is possible in some areas near shorelines and tidal waterways resulting in an elevated threat of property damage. Flooding will extend inland from the waterfront threatening some homes and businesses. Numerous road closures and flooding of vehicles will be possible. Rip currents can sweep even the best swimmers away from shore into deeper water. Dangerous shore break can throw a swimmer or surfer head first into the bottom causing neck and back injuries. * ADDITIONAL DETAILS. The most likely time for strong rip currents to occur is a couple hours either side of low tide, which will occur around 6:00 AM Monday.