N.H. Rev. Stat. Ann. § 270:29-b

Any person who shall operate a power boat upon any waters of the state in a reckless manner or so that the lives and safety of the public are endangered shall be guilty of a misdemeanor. A violation of this section shall include payment of a fine of not less than $500, a loss of the person's driver's license for 60 days, and loss of the person's privilege to operate a boat for 60 days. The period for the loss of the person's privilege to operate a boat shall be between Memorial day and Labor day. Any unserved suspension will be continued to the following year's boating season.