MyCruiseForecast

Royal Caribbean · 7 nights

Mariner of the Seas weather: 7-night cruise from New Orleans, January 9, 2027

The Mariner of the Seas (Royal Caribbean) leaves New Orleans on January 9, 2027 for a 7-night cruise, with stops in Cozumel, George Town and Falmouth (Jamaica). It returns to New Orleans on January 16, 2027. Typical afternoon highs along the route run from 62°F to 86°F (17°C to 30°C), and 3 days are at sea, where seas are typically moderate (around 5 ft).

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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 (2006–2025 climate record, ECMWF). Sea-day figures are approximate, blended from the ports on either side. Not a forecast.
DayPortHigh / lowRain daysWindTypical seas
Day 1Sat, Jan 9New Orleans Embark62 / 46°F17 / 8°C24%12 mph19 km/h–
Day 2Sun, Jan 10At sea72 / 59°F22 / 15°C25%9 mph15 km/h4 ft (1.1 m)Slight; rougher days up to 7 ft
Day 3Mon, Jan 11Cozumel83 / 73°F28 / 23°C26%12 mph20 km/h–
Day 4Tue, Jan 12George Town84 / 74°F29 / 23°C16%18 mph29 km/h–
Day 5Wed, Jan 13Falmouth (Jamaica)86 / 72°F30 / 22°C25%12 mph20 km/h–
Day 6Thu, Jan 14At sea74 / 59°F23 / 15°C25%9 mph15 km/h5 ft (1.4 m)Moderate; rougher days up to 8 ft
Day 7Fri, Jan 15At sea74 / 59°F23 / 15°C25%9 mph15 km/h5 ft (1.4 m)Moderate; rougher days up to 8 ft
Day 8Sat, Jan 16New Orleans Disembark64 / 46°F18 / 8°C29%12 mph20 km/h–

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

Ports on this cruise

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