New York Minor Coastal Flood Advisory | Effective 09/27/2026 12:14

* WHAT...For the High Surf Advisory, large breaking waves of 4 to 8 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. For the Coastal Flood Advisory, expect 1 to 1 1/2 ft inundation above ground level in vulnerable areas near the waterfront and shoreline. The highest water levels likely with the Monday morning high tide. * WHERE...Southeast Suffolk County. * WHEN...For the High Surf Advisory, until 8 PM EDT this evening. For the Coastal Flood Advisory, from 7 PM this evening to 2 PM EDT Monday. * COASTAL FLOOD IMPACTS...Minor coastal flooding is expected in the most vulnerable locations near the waterfront and shoreline. Expect 1 to 1 1/2 ft of inundation above ground level. Some roads and low lying property including parking lots, parks, lawns and homes/businesses with basements near the waterfront will experience shallow flooding. The greatest threat areas will be the north shore of the south fork, the tidally affected Peconic River, and the eastern Great South Bay. * SHOREFRONT AND BEACH IMPACTS...Breaking waves of 4 to 8 feet along with elevated water levels will result in scattered areas of dune erosion and beach flooding with tonight and Monday. Life threatening rip currents are likely for all people entering the surf zone.