20-Night Cruise on Seabourn EncoreJapan, Alaska, Glacier Bay & Pacific Crossing - Weather

The Seabourn Encore sails a 20-night Japan, Alaska, Glacier Bay & Pacific Crossing itinerary with Seabourn Cruises, departing Vancouver, Canada on September 18, 2027. 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 Vancouver, Canada, Ketchikan, Alaska, Klawock, Alaska, with 9 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Saturday, Sep 18, 2027 — Vancouver, Canada

   Vancouver, Canada is a scheduled port of call on day 1 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 69°F.

2. Day 2 — Monday, Sep 20, 2027 — Ketchikan, Alaska

   Ketchikan, Alaska is a scheduled port of call on day 2 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 56°F.

3. Day 3 — Tuesday, Sep 21, 2027 — Klawock, Alaska

   Klawock, Alaska is a scheduled port of call on day 3 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 59°F.

4. Day 4 — Wednesday, Sep 22, 2027 — Sitka, Alaska

   Sitka, Alaska is a scheduled port of call on day 4 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 57°F.

5. Day 5 — Thursday, Sep 23, 2027 — Glacier Bay, Alaska

   Glacier Bay, Alaska is a scheduled port of call on day 5 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: rain, partially cloudy with highs near 53°F.

6. Day 6 — Saturday, Sep 25, 2027 — Kodiak, Alaska

   Kodiak, Alaska is a scheduled port of call on day 6 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 53°F.

7. Day 7 — Monday, Sep 27, 2027 — Dutch Harbor, Alaska

   Dutch Harbor, Alaska is a scheduled port of call on day 7 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 48°F.

8. Day 8 — Tuesday, Oct 5, 2027 — Kushiro, Japan

   Kushiro, Japan is a scheduled port of call on day 8 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 61°F.

9. Day 9 — Wednesday, Oct 6, 2027 — Miyako, Japan

   Miyako, Japan is a scheduled port of call on day 9 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 67°F.

10. Day 10 — Thursday, Oct 7, 2027 — Sendai, Japan

    Sendai, Japan is a scheduled port of call on day 10 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 70°F.

11. Day 11 — Friday, Oct 8, 2027 — Hitachinaka, Japan

    Hitachinaka, Japan is a scheduled port of call on day 11 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 71°F.

12. Day 12 — Saturday, Oct 9, 2027 — Tokyo, Japan

    Tokyo, Japan is a scheduled port of call on day 12 of the 20-night Japan, Alaska, Glacier Bay & Pacific Crossing cruise on Seabourn Encore. Expected weather: partially cloudy with highs near 71°F.