15-Night Cruise on Silver MoonSeward (Anchorage, Alaska) To Tokyo - Weather

Departing Seward, Alaska on September 3, 2026, the Silversea Cruises ship Silver Moon runs this 15-night Seward (Anchorage, Alaska) To Tokyo sailing. It's a classic Alaska cruise. Travelers sailing in September can generally expect cool days, crisp nights, and long hours of daylight typical of the Alaska cruise season — with rain never far off. Ports of call include Seward, Alaska, Homer, Alaska, Kodiak, Alaska, with 5 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Thursday, Sep 3, 2026 — Seward, Alaska

   Seward, Alaska is a scheduled port of call on day 1 of the 15-night Seward (Anchorage, Alaska) To Tokyo cruise on Silver Moon. Expected weather: partially cloudy with highs near 59°F.

2. Day 2 — Friday, Sep 4, 2026 — Homer, Alaska

   Homer, Alaska is a scheduled port of call on day 2 of the 15-night Seward (Anchorage, Alaska) To Tokyo cruise on Silver Moon. Expected weather: partially cloudy with highs near 59°F.

3. Day 3 — Saturday, Sep 5, 2026 — Kodiak, Alaska

   Kodiak, Alaska is a scheduled port of call on day 3 of the 15-night Seward (Anchorage, Alaska) To Tokyo cruise on Silver Moon. Expected weather: partially cloudy with highs near 57°F.

4. Day 4 — Monday, Sep 14, 2026 — Hakodate, Japan

   Hakodate, Japan is a scheduled port of call on day 4 of the 15-night Seward (Anchorage, Alaska) To Tokyo cruise on Silver Moon. Expected weather: partially cloudy with highs near 72°F.

5. Day 5 — Tuesday, Sep 15, 2026 — Muroran, Japan

   Muroran, Japan is a scheduled port of call on day 5 of the 15-night Seward (Anchorage, Alaska) To Tokyo cruise on Silver Moon. Expected weather: partially cloudy with highs near 69°F.

6. Day 6 — Wednesday, Sep 16, 2026 — Miyako, Japan

   Miyako, Japan is a scheduled port of call on day 6 of the 15-night Seward (Anchorage, Alaska) To Tokyo cruise on Silver Moon. Expected weather: partially cloudy with highs near 72°F.

7. Day 7 — Thursday, Sep 17, 2026 — Sendai, Japan

   Sendai, Japan is a scheduled port of call on day 7 of the 15-night Seward (Anchorage, Alaska) To Tokyo cruise on Silver Moon. Expected weather: partially cloudy with highs near 76°F.

8. Day 8 — Friday, Sep 18, 2026 — Tokyo, Japan

   Tokyo, Japan is a scheduled port of call on day 8 of the 15-night Seward (Anchorage, Alaska) To Tokyo cruise on Silver Moon. Expected weather: partially cloudy with highs near 78°F.