MyCruiseForecast

Royal Caribbean · 7 nights

Mariner of the Seas weather: 7-night cruise from New Orleans, December 26, 2026

The Mariner of the Seas (Royal Caribbean) leaves New Orleans on December 26, 2026 for a 7-night cruise, with stops in Cozumel, George Town and Falmouth (Jamaica). It returns to New Orleans on January 2, 2027. Typical afternoon highs along the route run from 62°F to 83°F (17°C to 29°C), and 3 days are at sea, where seas are typically moderate (around 5 ft).

Open the interactive forecast for this sailing

This page shows typical conditions for these dates. The interactive forecast adds a live day-by-day forecast, wave heights and weather alerts as the sailing gets closer.

Day-by-day itinerary and typical weather

Typical conditions for each date (2022–2025 climate record, ECMWF). Sea-day figures are approximate, blended from the ports on either side. Not a forecast.
DayPortHigh / lowRain daysWindTypical seas
Day 1Sat, Dec 26New Orleans Embark62 / 49°F17 / 10°C27%11 mph18 km/h–
Day 2Sun, Dec 27At sea71 / 61°F22 / 16°C43%8 mph14 km/h3 ft (0.9 m)Slight; rougher days up to 5 ft
Day 3Mon, Dec 28Cozumel80 / 72°F27 / 22°C58%11 mph18 km/h–
Day 4Tue, Dec 29George Town82 / 77°F28 / 25°C52%16 mph26 km/h–
Day 5Wed, Dec 30Falmouth (Jamaica)83 / 72°F29 / 22°C27%11 mph17 km/h–
Day 6Thu, Dec 31At sea73 / 61°F23 / 16°C27%8 mph13 km/h4 ft (1.2 m)Slight; rougher days up to 7 ft
Day 7Fri, Jan 1At sea73 / 59°F23 / 15°C36%9 mph15 km/h5 ft (1.4 m)Moderate; rougher days up to 7 ft
Day 8Sat, Jan 2New Orleans Disembark62 / 46°F17 / 8°C42%12 mph20 km/h–

Seas are significant wave height, the average of the highest third of waves, on the Douglas sea state scale. What that means on board.

Ports on this cruise

More Mariner of the Seas sailings

This is the last scheduled sailing we have for this ship.

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