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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing New Orleans, Louisiana on December 31, 2027, the Royal Caribbean Cruises ship Mariner Of The Seas runs this 8-night Western Caribbean Holiday sailing. It's a classic Caribbean cruise. Travelers sailing in December can generally expect warm, sunny weather with gentle trade winds. Ports of call include New Orleans, Louisiana, Costa Maya, Mexico, Cozumel, Mexico, with 2 more along the way. Scroll the daily outlook below to pack smart for every port of call.
New Orleans, Louisiana is a scheduled port of call on day 1 of the 8-night Western Caribbean Holiday cruise on Mariner Of The Seas. Expected weather: partially cloudy with highs near 61°F.
Day 2 of 9 is a day at sea aboard Mariner Of The Seas, cruising between ports on the Western Caribbean Holiday itinerary.
Day 3 of 9 is a day at sea aboard Mariner Of The Seas, cruising between ports on the Western Caribbean Holiday itinerary.
Costa Maya, Mexico is a scheduled port of call on day 4 of the 8-night Western Caribbean Holiday cruise on Mariner Of The Seas. Expected weather: partially cloudy with highs near 79°F.
Cozumel, Mexico is a scheduled port of call on day 5 of the 8-night Western Caribbean Holiday cruise on Mariner Of The Seas. Expected weather: partially cloudy with highs near 79°F.
George Town, Grand Cayman is a scheduled port of call on day 6 of the 8-night Western Caribbean Holiday cruise on Mariner Of The Seas. Expected weather: partially cloudy with highs near 80°F.
Day 7 of 9 is a day at sea aboard Mariner Of The Seas, cruising between ports on the Western Caribbean Holiday itinerary.
Day 8 of 9 is a day at sea aboard Mariner Of The Seas, cruising between ports on the Western Caribbean Holiday itinerary.
New Orleans, Louisiana is a scheduled port of call on day 9 of the 8-night Western Caribbean Holiday cruise on Mariner Of The Seas. Expected weather: partially cloudy with highs near 60°F.
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