21-Night Cruise on OosterdamAdriatic Splendor Collectors' Voyage - Weather

The Oosterdam sails a 21-night Adriatic Splendor Collectors' Voyage itinerary with Holland America Line (HAL), departing Piraeus, Greece on October 14, 2026. It's a classic Mediterranean cruise. Travelers sailing in October can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Piraeus, Greece, Mykonos, Greece, Istanbul, Turkey, with 14 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Wednesday, Oct 14, 2026 — Piraeus, Greece

   Piraeus, Greece is a scheduled port of call on day 1 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 79°F.

2. Day 2 — Thursday, Oct 15, 2026 — Mykonos, Greece

   Mykonos, Greece is a scheduled port of call on day 2 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 69°F.

3. Day 3 — Friday, Oct 16, 2026 — At Sea

   Day 3 of 22 is a day at sea aboard Oosterdam, cruising between ports on the Adriatic Splendor Collectors' Voyage itinerary.

4. Day 4 — Saturday, Oct 17, 2026 — Istanbul, Turkey

   Istanbul, Turkey is a scheduled port of call on day 4 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 68°F.

5. Day 5 — Sunday, Oct 18, 2026 — Istanbul, Turkey

   Istanbul, Turkey is a scheduled port of call on day 5 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 68°F.

6. Day 6 — Monday, Oct 19, 2026 — At Sea

   Day 6 of 22 is a day at sea aboard Oosterdam, cruising between ports on the Adriatic Splendor Collectors' Voyage itinerary.

7. Day 7 — Tuesday, Oct 20, 2026 — Kusadasi, Turkey

   Kusadasi, Turkey is a scheduled port of call on day 7 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 76°F.

8. Day 8 — Wednesday, Oct 21, 2026 — Kos, Greece

   Kos, Greece is a scheduled port of call on day 8 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 71°F.

9. Day 9 — Thursday, Oct 22, 2026 — Rhodes, Greece

   Rhodes, Greece is a scheduled port of call on day 9 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 73°F.

10. Day 10 — Friday, Oct 23, 2026 — At Sea

    Day 10 of 22 is a day at sea aboard Oosterdam, cruising between ports on the Adriatic Splendor Collectors' Voyage itinerary.

11. Day 11 — Saturday, Oct 24, 2026 — Piraeus, Greece

    Piraeus, Greece is a scheduled port of call on day 11 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 75°F.

12. Day 12 — Sunday, Oct 25, 2026 — Katakolon, Greece

    Katakolon, Greece is a scheduled port of call on day 12 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 70°F.

13. Day 13 — Monday, Oct 26, 2026 — Sarande, Albania

    Sarande, Albania is a scheduled port of call on day 13 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 69°F.

14. Day 14 — Tuesday, Oct 27, 2026 — At Sea

    Day 14 of 22 is a day at sea aboard Oosterdam, cruising between ports on the Adriatic Splendor Collectors' Voyage itinerary.

15. Day 15 — Wednesday, Oct 28, 2026 — La Valletta, Malta

    La Valletta, Malta is a scheduled port of call on day 15 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam. Expected weather: partially cloudy with highs near 73°F.

16. Day 16 — Thursday, Oct 29, 2026 — Messina, Sicily

    Messina, Sicily is a scheduled port of call on day 16 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam.

17. Day 17 — Friday, Oct 30, 2026 — Naples, Italy

    Naples, Italy is a scheduled port of call on day 17 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam.

18. Day 18 — Saturday, Oct 31, 2026 — Civitavecchia, Italy

    Civitavecchia, Italy is a scheduled port of call on day 18 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam.

19. Day 19 — Sunday, Nov 1, 2026 — Ajaccio, Corsica

    Ajaccio, Corsica is a scheduled port of call on day 19 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam.

20. Day 20 — Monday, Nov 2, 2026 — Villefranche, France

    Villefranche, France is a scheduled port of call on day 20 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam.

21. Day 21 — Tuesday, Nov 3, 2026 — At Sea

    Day 21 of 22 is a day at sea aboard Oosterdam, cruising between ports on the Adriatic Splendor Collectors' Voyage itinerary.

22. Day 22 — Wednesday, Nov 4, 2026 — Barcelona, Spain

    Barcelona, Spain is a scheduled port of call on day 22 of the 21-night Adriatic Splendor Collectors' Voyage cruise on Oosterdam.