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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Costa Fortuna sails a 7-night Eastern Mediterranean from Piraeus | Athens itinerary with Costa Cruises, departing Piraeus, Greece on August 21, 2026. It's a classic Mediterranean cruise. Travelers sailing in August can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Piraeus, Greece, Istanbul, Turkey, Mykonos, Greece, with 4 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.
Piraeus, Greece is a scheduled port of call on day 1 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Fortuna. Expected weather: clear with highs near 98°F.
Day 2 of 8 is a day at sea aboard Costa Fortuna, cruising between ports on the Eastern Mediterranean from Piraeus | Athens itinerary.
Istanbul, Turkey is a scheduled port of call on day 3 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Fortuna. Expected weather: clear with highs near 86°F.
Mykonos, Greece is a scheduled port of call on day 4 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Fortuna. Expected weather: clear with highs near 82°F.
Iraklion, Greece is a scheduled port of call on day 5 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Fortuna. Expected weather: clear with highs near 89°F.
Rhodes, Greece is a scheduled port of call on day 6 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Fortuna. Expected weather: clear with highs near 83°F.
Santorini, Greece is a scheduled port of call on day 7 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Fortuna. Expected weather: clear with highs near 80°F.
Piraeus, Greece is a scheduled port of call on day 8 of the 7-night Eastern Mediterranean from Piraeus | Athens cruise on Costa Fortuna. Expected weather: clear with highs near 94°F.
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