Sapphire Princess — 20-Night Grand Japan with Kumano Fireworks Cruise Weather

Join Princess Cruises's Sapphire Princess for a 20-night voyage on the Grand Japan with Kumano Fireworks route, setting out from Tokyo, Japan on August 15, 2027. It's a classic Asia cruise. Travelers sailing in August can generally expect cooler, off-season conditions. Ports of call include Tokyo, Japan, Nagoya, Japan, Kumano, Japan, with 15 more along the way. The forecasts below break the weather down port by port.

1. Day 1 — Sunday, Aug 15, 2027 — Tokyo, Japan

   Tokyo, Japan is a scheduled port of call on day 1 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

2. Day 2 — Monday, Aug 16, 2027 — Nagoya, Japan

   Nagoya, Japan is a scheduled port of call on day 2 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

3. Day 3 — Tuesday, Aug 17, 2027 — Kumano, Japan

   Kumano, Japan is a scheduled port of call on day 3 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

4. Day 4 — Wednesday, Aug 18, 2027 — Kobe/Osaka, Japan

   Kobe/Osaka, Japan is a scheduled port of call on day 4 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

5. Day 5 — Thursday, Aug 19, 2027 — Tokushima, Japan

   Tokushima, Japan is a scheduled port of call on day 5 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

6. Day 6 — Friday, Aug 20, 2027 — Beppu, Japan

   Beppu, Japan is a scheduled port of call on day 6 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

7. Day 7 — Saturday, Aug 21, 2027 — Hiroshima, Japan

   Hiroshima, Japan is a scheduled port of call on day 7 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

8. Day 8 — Monday, Aug 23, 2027 — Busan, South Korea

   Busan, South Korea is a scheduled port of call on day 8 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

9. Day 9 — Tuesday, Aug 24, 2027 — Nagasaki, Japan

   Nagasaki, Japan is a scheduled port of call on day 9 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

10. Day 10 — Wednesday, Aug 25, 2027 — Kagoshima, Japan

    Kagoshima, Japan is a scheduled port of call on day 10 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

11. Day 11 — Thursday, Aug 26, 2027 — Kochi, Japan

    Kochi, Japan is a scheduled port of call on day 11 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

12. Day 12 — Friday, Aug 27, 2027 — Shimizu, Japan

    Shimizu, Japan is a scheduled port of call on day 12 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

13. Day 13 — Saturday, Aug 28, 2027 — Tokyo, Japan

    Tokyo, Japan is a scheduled port of call on day 13 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

14. Day 14 — Sunday, Aug 29, 2027 — Toba, Japan

    Toba, Japan is a scheduled port of call on day 14 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

15. Day 15 — Monday, Aug 30, 2027 — Kochi, Japan

    Kochi, Japan is a scheduled port of call on day 15 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

16. Day 16 — Wednesday, Sep 1, 2027 — Seogwipo-si, South Korea

    Seogwipo-si, South Korea is a scheduled port of call on day 16 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

17. Day 17 — Thursday, Sep 2, 2027 — Kagoshima, Japan

    Kagoshima, Japan is a scheduled port of call on day 17 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.

18. Day 18 — Saturday, Sep 4, 2027 — Tokyo, Japan

    Tokyo, Japan is a scheduled port of call on day 18 of the 20-night Grand Japan with Kumano Fireworks cruise on Sapphire Princess.