Star Princess in Alaska: how rough does it get?
Star Princess opened her first Alaska season on May 3, 2026 with 20 weekly round trips from Seattle's Pier 91 through September 13, an Inside Passage rotation calling at Ketchikan, Juneau and Skagway with glacier viewing at Endicott Arm and Dawes Glacier.
Key facts
- Star Princess measures 177,882 gross tons and carries a moderate motion rating, with stabilizers fitted.
- On this route it sails from Seattle, Washington (Pier 91).
- A typical in-season Alaska sailing sits in the moderate motion band for the region as a whole.
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When Star Princess actually sails here
Highlighted months are when Star Princess is scheduled on this route, per the sources below. For how the region itself behaves month by month, see the region guide.
The 2026 season is a fixed block: 20 weekly departures from May 3 to September 13. There are no shoulder month sailings outside that window, so every date sits inside the mildest half of the gulf's year.
Where this route starts
- Seattle, Washington (Pier 91)
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The cabin pick for this route
Choose a midship cabin on decks 9 to 11 and think about the two open water days rounding Vancouver Island, which are the only stretches on this route where a Seattle round trip stops feeling like a river cruise.
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Frequently asked questions
Is the Star Princess Alaska route rough?
Mostly no. Star Princess runs an Inside Passage loop from Seattle, so the majority of the week is sheltered water. The legs to watch are the open Pacific stretches off Vancouver Island on the way north and back, typically half a day each.
When does Star Princess sail to Alaska?
From May 3 to September 13, 2026, with 20 weekly round trips out of Seattle's Pier 91. May, June and July sailings usually see the quietest water; September carries more wind and swell.
Which glaciers does Star Princess visit in Alaska?
The published rotation includes glacier viewing at Endicott Arm and Dawes Glacier, reached through fjord water that is naturally calm, alongside calls at Ketchikan, Juneau and Skagway.
Keep reading
Your next question, probably
Where on the ship should you be?
Which cabins move least, and what to do if you already booked one
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Sources
Deployment details describe published schedules as of September 2026 and change season to season; always confirm the itinerary on the operator page before booking. Ship and route names are trademarks of their respective owners; Dizzout is not affiliated with or endorsed by them. Seasickness sensitivity varies from person to person; this page is informational and not medical advice.