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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Ruby Princess sails a 10-night Inside Passage (Roundtrip San Francisco) itinerary with Princess Cruises, departing San Francisco, California on May 1, 2027. It's a classic Alaska cruise. Travelers sailing in May can generally expect cool days, crisp nights, and long hours of daylight typical of the Alaska cruise season — with rain never far off. Ports of call include San Francisco, California, Ketchikan, Alaska, Juneau, Alaska, with 4 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
San Francisco, California is a scheduled port of call on day 1 of the 10-night Inside Passage (Roundtrip San Francisco) cruise on Ruby Princess. Expected weather: partially cloudy with highs near 67°F.
Day 2 of 11 is a day at sea aboard Ruby Princess, cruising between ports on the Inside Passage (Roundtrip San Francisco) itinerary.
Day 3 of 11 is a day at sea aboard Ruby Princess, cruising between ports on the Inside Passage (Roundtrip San Francisco) itinerary.
Ketchikan, Alaska is a scheduled port of call on day 4 of the 10-night Inside Passage (Roundtrip San Francisco) cruise on Ruby Princess. Expected weather: partially cloudy with highs near 49°F.
Juneau, Alaska is a scheduled port of call on day 5 of the 10-night Inside Passage (Roundtrip San Francisco) cruise on Ruby Princess. Expected weather: partially cloudy with highs near 50°F.
Skagway, Alaska is a scheduled port of call on day 6 of the 10-night Inside Passage (Roundtrip San Francisco) cruise on Ruby Princess. Expected weather: partially cloudy with highs near 43°F.
Tracy Arm/Endicott Arm, Alaska is a scheduled port of call on day 7 of the 10-night Inside Passage (Roundtrip San Francisco) cruise on Ruby Princess. Expected weather: partially cloudy with highs near 49°F.
Prince Rupert, British Columbia is a scheduled port of call on day 8 of the 10-night Inside Passage (Roundtrip San Francisco) cruise on Ruby Princess. Expected weather: partially cloudy with highs near 54°F.
Day 9 of 11 is a day at sea aboard Ruby Princess, cruising between ports on the Inside Passage (Roundtrip San Francisco) itinerary.
Day 10 of 11 is a day at sea aboard Ruby Princess, cruising between ports on the Inside Passage (Roundtrip San Francisco) itinerary.
San Francisco, California is a scheduled port of call on day 11 of the 10-night Inside Passage (Roundtrip San Francisco) cruise on Ruby Princess. Expected weather: partially cloudy with highs near 67°F.
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