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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Oceania Regatta sails a 10-night Hellenic Explorer Istanbul to Athens itinerary with Oceania Cruises, departing Istanbul, Turkey on July 31, 2026. It's a classic Mediterranean cruise. Travelers sailing in July can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Istanbul, Turkey, Canakkale, Turkey, Kavala, Greece, with 8 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
Istanbul, Turkey is a scheduled port of call on day 1 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 85°F.
Canakkale, Turkey is a scheduled port of call on day 2 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 87°F.
Kavala, Greece is a scheduled port of call on day 3 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 85°F.
Thessaloniki, Greece is a scheduled port of call on day 4 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: partially cloudy with highs near 92°F.
Mytilene, Greece is a scheduled port of call on day 5 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 84°F.
Kusadasi, Turkey is a scheduled port of call on day 6 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 96°F.
Rhodes, Greece is a scheduled port of call on day 7 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 83°F.
Iraklion, Greece is a scheduled port of call on day 8 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 90°F.
Santorini, Greece is a scheduled port of call on day 9 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 78°F.
Mykonos, Greece is a scheduled port of call on day 10 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 78°F.
Piraeus, Greece is a scheduled port of call on day 11 of the 10-night Hellenic Explorer Istanbul to Athens cruise on Oceania Regatta. Expected weather: clear with highs near 94°F.
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