11-Night Cruise on OosterdamGreek Isles: Istanbul Overnight With Dubrovnik - Weather

The Oosterdam sails a 11-night Greek Isles: Istanbul Overnight With Dubrovnik itinerary with HAL Cruises, departing Piraeus, Greece on May 4, 2027. It's a classic Mediterranean cruise. Travelers sailing in May can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Piraeus, Greece, Kusadasi, Turkey, Istanbul, Turkey, with 6 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Tuesday, May 4, 2027 — Piraeus, Greece

   Piraeus, Greece is a scheduled port of call on day 1 of the 11-night Greek Isles: Istanbul Overnight With Dubrovnik cruise on Oosterdam. Expected weather: partially cloudy with highs near 77°F.

2. Day 2 — Wednesday, May 5, 2027 — Kusadasi, Turkey

   Kusadasi, Turkey is a scheduled port of call on day 2 of the 11-night Greek Isles: Istanbul Overnight With Dubrovnik cruise on Oosterdam. Expected weather: partially cloudy with highs near 76°F.

3. Day 3 — Friday, May 7, 2027 — Istanbul, Turkey

   Istanbul, Turkey is a scheduled port of call on day 3 of the 11-night Greek Isles: Istanbul Overnight With Dubrovnik cruise on Oosterdam. Expected weather: partially cloudy with highs near 66°F.

4. Day 4 — Sunday, May 9, 2027 — Mykonos, Greece

   Mykonos, Greece is a scheduled port of call on day 4 of the 11-night Greek Isles: Istanbul Overnight With Dubrovnik cruise on Oosterdam. Expected weather: partially cloudy with highs near 65°F.

5. Day 5 — Monday, May 10, 2027 — Chania, Crete

   Chania, Crete is a scheduled port of call on day 5 of the 11-night Greek Isles: Istanbul Overnight With Dubrovnik cruise on Oosterdam. Expected weather: partially cloudy with highs near 70°F.

6. Day 6 — Tuesday, May 11, 2027 — Katakolon, Greece

   Katakolon, Greece is a scheduled port of call on day 6 of the 11-night Greek Isles: Istanbul Overnight With Dubrovnik cruise on Oosterdam. Expected weather: partially cloudy with highs near 70°F.

7. Day 7 — Wednesday, May 12, 2027 — Sarande, Albania

   Sarande, Albania is a scheduled port of call on day 7 of the 11-night Greek Isles: Istanbul Overnight With Dubrovnik cruise on Oosterdam. Expected weather: partially cloudy with highs near 70°F.

8. Day 8 — Thursday, May 13, 2027 — Dubrovnik, Croatia

   Dubrovnik, Croatia is a scheduled port of call on day 8 of the 11-night Greek Isles: Istanbul Overnight With Dubrovnik cruise on Oosterdam. Expected weather: partially cloudy with highs near 69°F.

9. Day 9 — Saturday, May 15, 2027 — Trieste, Italy

   Trieste, Italy is a scheduled port of call on day 9 of the 11-night Greek Isles: Istanbul Overnight With Dubrovnik cruise on Oosterdam. Expected weather: partially cloudy with highs near 70°F.