It’s wave season, a.k.a. Black Friday for cruise lines, as customers score discounted prices

— Norwegian Cruise Line will have two giant ships in the region, Norwegian Bliss and Joy, both with a capacity of nearly 4,000. (Rates for a weeklong cruise from $849 per person, double occupancy, depending on date, plus taxes and fees.) Norwegian Jewel, with more than 2,700 passengers, will also sail in Alaska. (Rates from $599 per person, double occupancy, depending on date, plus taxes and fees.) Norwegian offers many Wave Season extras, such as free Wi-Fi, specialty dining and an open bar.