* WHAT. For the Coastal Flood Advisory, up to 1 to 2 feet of inundation above ground level in low-lying areas near shorelines and tidal waterways. For the High Surf Advisory, large breaking waves of 5 to 8 feet in the surf zone. For the Beach Hazards Statement, dangerous rip currents and strong longshore currents in the surf zone. * WHERE. Hatteras Island. * WHEN. For the Coastal Flood Advisory, until noon EDT Sunday. For the Beach Hazards Statement, from 8 AM EDT Sunday through Sunday evening. * IMPACTS. Flooding of lots, parks, and roads with only isolated road closures expected. Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. Strong longshore currents will create dangerous swimming conditions. * 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 4 AM and 4:45 PM Sunday.