If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.

* WHAT...For the first Coastal Flood Advisory, up to one foot of inundation above ground level expected in vulnerable areas near the waterfront and shoreline. For the second Coastal Flood Advisory, one to locally 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 Advisory, from 8 PM this evening to midnight EDT tonight. For the second Coastal Flood Advisory, from 9 PM Thursday to 3 AM EDT Friday. * IMPACTS...Minor flooding in the more vulnerable locations near the waterfront and shoreline. Some roads and low lying properties including parking lots, parks, lawns, and homes and businesses with basements near the waterfront will experience minor flooding.