Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.

* WHAT...One to two feet of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. * WHERE...Southern Nassau County. * WHEN...For the first Coastal Flood Warning, until 11 PM EST this evening. For the second Coastal Flood Warning, from 7 AM to 11 AM EST Sunday. * 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. * SHORELINE IMPACTS...High surf will likely cause scattered dune erosion.