Family members of missing boater Richard O’Day have organized a search party at Sandy Hook national park to look for the Rumson man this afternoon. Volunteers and family members will convene at noon the Spermicetti Cove Boardwalk in Sandy Hook in the area of parking lots D & E, according to O’Day’s nephew Gavin Rozzi. O’Day, 54, hasn’t been seen since taking his 27-foot Grady White Freedom boat out Sunday morning from a private dock on Polly’s Pond in Rumson, according to his family. A passer-by found by the boat anchored later that day in the area of Spermicetti Cove and Horseshoe Cove with O…