Zumiez Inc. announced that total net sales for the five-week period ended Apr. 6, 2013 increased 19.7 percent to $61.0 million, compared to $50.9 million for the five-week period ended March 31, 2012. The company’s comparable store sales increased 2.1 percent for the five-week period ended April 6, 2013 compared to a comparable store sales increase of 14.1 percent for the five-week period ended March 31, 2012.