Coastal Flood Warning

* WHAT...One to two feet and locally up to 2 1/2 feet of inundation above ground level in vulnerable areas near the waterfront and shoreline.

* WHERE...Northeast Suffolk County.

* WHEN...Until 6 PM EDT Sunday.

* COASTAL IMPACTS...Widespread flooding of vulnerable areas near the waterfront and shoreline, including roads, parking lots, parks, lawns, and homes and businesses with basements near the waterfront. Numerous road closures are likely, and vehicles parked in vulnerable areas near the waterfront will likely become flooded. Flooding will also extend inland from the waterfront along tidal rivers and bays.

* SHOREFRONT AND BEACH IMPACTS...Breaking waves of 4 to 7 feet along with elevated water levels will result in areas of dune erosion and beach flooding. Splashover over seawalls and overwashes where dune structures are compromised may locally exacerbate flooding of roadways and vulnerable structures behind protective dunes.