On sunny summer weekends, anticipate a high volume of traffic getting to beach parking areas and ferry terminals. If parking lots are filled, you may have to make alternate arrangements or reschedule your trip to the beach.
Be sure your vehicle is in good condition before attempting a road trip. You may want to carry bottled water and a light snack in case you get stuck in a traffic jam as you cross Long Island. Pack a hefty quantity of patience and enjoy the ride.
Various State of New York Metropolitan Transportation Authority web cams are located at major portals to Long Island (see webcam.mta.info/mta3).