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Join Princess Cruises's Diamond Princess for a 17-night voyage on the Grand Circle Japan route, setting out from Yokohama, Japan on May 28, 2026. It's a classic Asia cruise. Travelers sailing in May can generally expect cooler, off-season conditions. Ports of call include Yokohama, Japan, Toba, Japan, Kochi, Japan, with 10 more along the way. The forecasts below break the weather down port by port.
Yokohama, Japan is a scheduled port of call on day 1 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Toba, Japan is a scheduled port of call on day 2 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Kochi, Japan is a scheduled port of call on day 3 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Aburatsu, Japan is a scheduled port of call on day 4 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Nagasaki, Japan is a scheduled port of call on day 5 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Busan, South Korea is a scheduled port of call on day 6 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Kobe/Osaka, Japan is a scheduled port of call on day 7 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Yokohama, Japan is a scheduled port of call on day 8 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Nagasaki, Japan is a scheduled port of call on day 9 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Busan, South Korea is a scheduled port of call on day 10 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Sakaiminato, Japan is a scheduled port of call on day 11 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Aomori, Japan is a scheduled port of call on day 12 of the 17-night Grand Circle Japan cruise on Diamond Princess.
Yokohama, Japan is a scheduled port of call on day 13 of the 17-night Grand Circle Japan cruise on Diamond Princess.
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