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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing Istanbul, Turkey on August 23, 2026, the Costa Cruises ship Costa Fortuna runs this 7-night Eastern Mediterranean from Istanbul sailing. 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 Istanbul, Turkey, Mykonos, Greece, Iraklion, Greece, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.
Istanbul, Turkey is a scheduled port of call on day 1 of the 7-night Eastern Mediterranean from Istanbul cruise on Costa Fortuna. Expected weather: clear with highs near 83°F.
Mykonos, Greece is a scheduled port of call on day 2 of the 7-night Eastern Mediterranean from Istanbul cruise on Costa Fortuna. Expected weather: clear with highs near 77°F.
Iraklion, Greece is a scheduled port of call on day 3 of the 7-night Eastern Mediterranean from Istanbul cruise on Costa Fortuna. Expected weather: clear with highs near 90°F.
Rhodes, Greece is a scheduled port of call on day 4 of the 7-night Eastern Mediterranean from Istanbul cruise on Costa Fortuna. Expected weather: clear with highs near 83°F.
Santorini, Greece is a scheduled port of call on day 5 of the 7-night Eastern Mediterranean from Istanbul cruise on Costa Fortuna. Expected weather: clear with highs near 78°F.
Piraeus, Greece is a scheduled port of call on day 6 of the 7-night Eastern Mediterranean from Istanbul cruise on Costa Fortuna. Expected weather: clear with highs near 92°F.
Istanbul, Turkey is a scheduled port of call on day 7 of the 7-night Eastern Mediterranean from Istanbul cruise on Costa Fortuna. Expected weather: partially cloudy with highs near 82°F.
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