RedactedNarrative: Operator was trying to transit the Merrimack River steered towards the beach, crossed the first sandbar and grounded on the beach.  At this time there were no injuries or damage to vessel. Tow Boat USA was contacted but could not respond due to wave action and tidal conditions.  Operator anchors his boat and planned to come back the next morning to retrieve the vessel.  The wave action overnight caused significant damage to the port side of the vessel.  Most of the port side hull was missing, and there was severe water damage to the electronics and engine.  11/4 Operator has not submitted a report as of yet. Operator inexperience and a force of wake were listed as causes.