MyCruiseForecast

Princess Cruises · 9 nights

Diamond Princess weather: 9-night cruise from Yokohama, October 10, 2026

The Diamond Princess (Princess Cruises) leaves Yokohama on October 10, 2026 for a 9-night cruise, with stops in Akita, Toyama, Tsuruga, Sakaiminato, Busan and Nagasaki. It returns to Yokohama on October 19, 2026. Typical afternoon highs along the route run from 68°F to 75°F (20°C to 24°C), and 2 days are at sea, where seas are typically slight (around 2 ft).

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This page shows typical conditions for these dates. The interactive forecast adds a live day-by-day forecast, wave heights and weather alerts as the sailing gets closer.

Day-by-day itinerary and typical weather

Typical conditions for each date (2022–2025 climate record, ECMWF). Sea-day figures are approximate, blended from the ports on either side. Not a forecast.
DayPortHigh / lowRain daysWindTypical seas
Day 1Sat, Oct 10Yokohama Embark74 / 63°F24 / 17°C40%16 mph25 km/h–
Day 2Sun, Oct 11At sea72 / 59°F22 / 15°C42%10 mph17 km/h2 ft (0.6 m)Slight; rougher days up to 5 ft
Day 3Mon, Oct 12Akita69 / 56°F21 / 13°C43%12 mph20 km/h–
Day 4Tue, Oct 13Toyama73 / 60°F23 / 15°C45%11 mph18 km/h–
Day 5Wed, Oct 14Tsuruga75 / 63°F24 / 17°C42%11 mph17 km/h–
Day 6Thu, Oct 15Sakaiminato73 / 64°F23 / 18°C37%14 mph23 km/h–
Day 7Fri, Oct 16Busan68 / 51°F20 / 11°C11%12 mph20 km/h–
Day 8Sat, Oct 17Nagasaki72 / 60°F22 / 16°C17%10 mph16 km/h–
Day 9Sun, Oct 18At sea70 / 57°F21 / 14°C27%9 mph15 km/h2 ft (0.5 m)Slight; rougher days up to 4 ft
Day 10Mon, Oct 19Yokohama Disembark69 / 55°F21 / 13°C36%15 mph24 km/h–

Seas are significant wave height, the average of the highest third of waves, on the Douglas sea state scale. What that means on board.

Ports on this cruise

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