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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing Tokyo, Japan on December 12, 2026, the Princess Cruises ship Sapphire Princess runs this 42-night Japan & Southeast Asia Grand Adventure sailing. It's a classic Asia cruise. Travelers sailing in December can generally expect cooler, off-season conditions. Ports of call include Tokyo, Japan, Kagoshima, Japan, Naha, Japan, with 23 more along the way. Scroll the daily outlook below to pack smart for every port of call.
Tokyo, Japan is a scheduled port of call on day 1 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 52°F.
Day 2 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Kagoshima, Japan is a scheduled port of call on day 3 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 60°F.
Day 4 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Naha, Japan is a scheduled port of call on day 5 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 70°F.
Day 6 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Day 7 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Hong Kong, China is a scheduled port of call on day 8 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 67°F.
Day 9 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Da Nang, Vietnam is a scheduled port of call on day 10 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 75°F.
Day 11 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Nha Trang, Vietnam is a scheduled port of call on day 12 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 77°F.
Ho Chi Minh City, Vietnam is a scheduled port of call on day 13 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 85°F.
Day 14 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Singapore is a scheduled port of call on day 15 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: overcast with highs near 81°F.
Day 16 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Laem Chabang, Thailand is a scheduled port of call on day 17 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Laem Chabang, Thailand is a scheduled port of call on day 18 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Ko Samui, Thailand is a scheduled port of call on day 19 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Sihanoukville, Cambodia is a scheduled port of call on day 20 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 21 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Ho Chi Minh City, Vietnam is a scheduled port of call on day 22 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 23 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Day 24 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Penang, Malaysia is a scheduled port of call on day 25 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Phuket, Thailand is a scheduled port of call on day 26 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Langkawi, Malaysia is a scheduled port of call on day 27 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Klang, Malaysia is a scheduled port of call on day 28 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Singapore is a scheduled port of call on day 29 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 30 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Nha Trang, Vietnam is a scheduled port of call on day 31 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 32 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Halong Bay, Vietnam is a scheduled port of call on day 33 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Halong Bay, Vietnam is a scheduled port of call on day 34 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 35 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Hong Kong, China is a scheduled port of call on day 36 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 37 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Keelung, Taiwan is a scheduled port of call on day 38 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Miyakojima, Japan is a scheduled port of call on day 39 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 40 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Nagasaki, Japan is a scheduled port of call on day 41 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
Day 42 of 43 is a day at sea aboard Sapphire Princess, cruising between ports on the Japan & Southeast Asia Grand Adventure itinerary.
Tokyo, Japan is a scheduled port of call on day 43 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess.
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