Royal Caribbean · 7 nights
Mariner of the Seas weather: 7-night cruise from New Orleans, December 5, 2026
The Mariner of the Seas (Royal Caribbean) leaves New Orleans on December 5, 2026 for a 7-night cruise, with stops in Cozumel, George Town and Ocho Rios. It returns to New Orleans on December 12, 2026. Typical afternoon highs along the route run from 67°F to 83°F (20°C to 28°C), and 3 days are at sea, where seas are typically slight (around 4 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
| Day | Port | High / low | Rain days | Wind | Typical seas |
|---|---|---|---|---|---|
| Day 1Sat, Dec 5 | New Orleans Embark | 67 / 54°F20 / 12°C | 20% | 11 mph17 km/h | – |
| Day 2Sun, Dec 6 | At sea | 75 / 65°F24 / 18°C | 34% | 9 mph15 km/h | 3 ft (1.0 m)Slight; rougher days up to 6 ft |
| Day 3Mon, Dec 7 | Cozumel | 82 / 76°F28 / 24°C | 47% | 14 mph22 km/h | – |
| Day 4Tue, Dec 8 | George Town | 83 / 78°F28 / 26°C | 44% | 20 mph32 km/h | – |
| Day 5Wed, Dec 9 | Ocho Rios | 82 / 74°F28 / 23°C | 84% | 11 mph17 km/h | – |
| Day 6Thu, Dec 10 | At sea | 75 / 64°F24 / 18°C | 52% | 8 mph13 km/h | 4 ft (1.2 m)Slight; rougher days up to 7 ft |
| Day 7Fri, Dec 11 | At sea | 75 / 64°F24 / 18°C | 52% | 8 mph13 km/h | 4 ft (1.2 m)Slight; rougher days up to 7 ft |
| Day 8Sat, Dec 12 | New Orleans Disembark | 67 / 54°F20 / 12°C | 20% | 11 mph17 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
- CozumelWeather by month
- George TownWeather by month
- Ocho RiosWeather by month
- New OrleansWeather by month
More Mariner of the Seas sailings
- December 12, 2026: 7 nights from New Orleans
- December 19, 2026: 7 nights from New Orleans
- December 26, 2026: 7 nights from New Orleans
All Mariner of the Seas sailings · All Royal Caribbean ships