
Plan Your Cruise With Free Weather Forecasts
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Loading Travel Forecast…Join Royal Caribbean Cruises's Mariner Of The Seas for a 7-night voyage on the Western Caribbean Cruise route, setting out from New Orleans, Louisiana on December 19, 2026. 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, Cozumel, Mexico, George Town, Grand Cayman, with 2 more along the way. The forecasts below break the weather down port by port.
New Orleans, Louisiana is a scheduled port of call on day 1 of the 7-night Western Caribbean Cruise cruise on Mariner Of The Seas. Expected weather: partially cloudy with highs near 63°F.
Cozumel, Mexico is a scheduled port of call on day 2 of the 7-night Western Caribbean Cruise 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 3 of the 7-night Western Caribbean Cruise cruise on Mariner Of The Seas.
Montego Bay, Jamaica is a scheduled port of call on day 4 of the 7-night Western Caribbean Cruise cruise on Mariner Of The Seas.
New Orleans, Louisiana is a scheduled port of call on day 5 of the 7-night Western Caribbean Cruise cruise on Mariner Of The Seas.
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