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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing Civitavecchia, Italy on November 5, 2026, the Oceania Cruises ship Oceania Sirena runs this 7-night Ancient Sites & Cities Rome to Istanbul sailing. It's a classic Mediterranean cruise. Travelers sailing in November can generally expect mild, changeable weather that can turn cool and wet. Ports of call include Civitavecchia, Italy, Naples, Italy, Messina, Sicily, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.
Civitavecchia, Italy is a scheduled port of call on day 1 of the 7-night Ancient Sites & Cities Rome to Istanbul cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 64°F.
Naples, Italy is a scheduled port of call on day 2 of the 7-night Ancient Sites & Cities Rome to Istanbul cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 66°F.
Messina, Sicily is a scheduled port of call on day 3 of the 7-night Ancient Sites & Cities Rome to Istanbul cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 68°F.
La Valletta, Malta is a scheduled port of call on day 4 of the 7-night Ancient Sites & Cities Rome to Istanbul cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 70°F.
Day 5 of 8 is a day at sea aboard Oceania Sirena, cruising between ports on the Ancient Sites & Cities Rome to Istanbul itinerary.
Piraeus, Greece is a scheduled port of call on day 6 of the 7-night Ancient Sites & Cities Rome to Istanbul cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 73°F.
Mytilene, Greece is a scheduled port of call on day 7 of the 7-night Ancient Sites & Cities Rome to Istanbul cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 66°F.
Istanbul, Turkey is a scheduled port of call on day 8 of the 7-night Ancient Sites & Cities Rome to Istanbul cruise on Oceania Sirena. Expected weather: partially cloudy with highs near 61°F.
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