Cruise Norwegian Cruise Line hikes gratuities By Tom Stieghorst / March 17, 2017 Share 1 -- Norwegian Cruise Line is raising gratuities on April 1, and one ship, the Norwegian Sky, will have a bigger increase than the others. Gratuities fleetwide on standard cabins are currently $13.50 per person, per day. The amount for ships other than Norwegian Sky will be adjusted to $13.99, a 3.6% increase. Daily gratuities for standard cabins on the Sky are rising to $18.99, a 41% increase.Gratuities for suites are $21.99 for the Sky and $16.99 for the rest of the fleet, up from $15.50 currently.Norwegian said the new gratuity schedule for the Sky was implemented "to better address the demands of the enormously successful all-inclusive product." The ship, which does short cruises from Miami, has had an open bar since the start of 2016. Beginning in May, the Sky's four-day cruises will include a stop in Havana instead of the Bahamas.Norwegian said any guest that has made a booking by March 31, 2017 will have the option of prepaying their service charges at the current rate if done prior to sail date.The gratuity amounts are automatically added to a guest's shipboard account. Guests can adjust the rate upward or downward.