
Plan Your Cruise With Free Weather Forecasts
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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 27 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.
Kagoshima, Japan is a scheduled port of call on day 2 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 60°F.
Naha, 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 70°F.
Kaohsiung, Taiwan is a scheduled port of call on day 4 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 74°F.
Hong Kong, China 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 67°F.
Hong Kong, China is a scheduled port of call on day 6 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 67°F.
Da Nang, Vietnam is a scheduled port of call on day 7 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: rain, partially cloudy with highs near 75°F.
Da Nang, Vietnam is a scheduled port of call on day 8 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: rain, partially cloudy with highs near 75°F.
Nha Trang, Vietnam is a scheduled port of call on day 9 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 10 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 85°F.
Singapore is a scheduled port of call on day 11 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: overcast with highs near 81°F.
Klang, Malaysia is a scheduled port of call on day 12 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: overcast with highs near 86°F.
Laem Chabang, Thailand 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 88°F.
Langkawi, Malaysia is a scheduled port of call on day 14 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 83°F.
Ko Samui, Thailand is a scheduled port of call on day 15 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 78°F.
Sihanoukville, Cambodia is a scheduled port of call on day 16 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 88°F.
Ho Chi Minh City, Vietnam is a scheduled port of call on day 17 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 85°F.
Sihanoukville, Cambodia is a scheduled port of call on day 18 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 88°F.
Penang, Malaysia is a scheduled port of call on day 19 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 89°F.
Phuket, Thailand is a scheduled port of call on day 20 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 83°F.
Langkawi, Malaysia is a scheduled port of call on day 21 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 83°F.
Klang, Malaysia is a scheduled port of call on day 22 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 86°F.
Singapore is a scheduled port of call on day 23 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 81°F.
Nha Trang, Vietnam is a scheduled port of call on day 24 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 76°F.
Halong Bay, Vietnam is a scheduled port of call on day 25 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 65°F.
Hong Kong, China is a scheduled port of call on day 26 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 65°F.
Keelung, Taiwan is a scheduled port of call on day 27 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 63°F.
Miyakojima, Japan is a scheduled port of call on day 28 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 69°F.
Nagasaki, Japan is a scheduled port of call on day 29 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 51°F.
Tokyo, Japan is a scheduled port of call on day 30 of the 42-night Japan & Southeast Asia Grand Adventure cruise on Sapphire Princess. Expected weather: partially cloudy with highs near 47°F.
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