MyCruiseForecast

Norwegian Cruise Line · 7 nights

Norwegian Luna weather: 7-night cruise from Miami, December 12, 2026

The Norwegian Luna (Norwegian Cruise Line) leaves Miami on December 12, 2026 for a 7-night cruise, with stops in Roatán, Harvest Caye, Costa Maya and Cozumel. It returns to Miami on December 19, 2026. Typical afternoon highs along the route run from 74°F to 82°F (24°C to 28°C), and 2 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

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 12Miami Embark78 / 67°F26 / 20°C29%13 mph21 km/h–
Day 2Sun, Dec 13At sea80 / 72°F27 / 22°C55%12 mph20 km/h4 ft (1.2 m)Slight; rougher days up to 6 ft
Day 3Mon, Dec 14Roatán82 / 77°F28 / 25°C82%20 mph32 km/h–
Day 4Tue, Dec 15Harvest Caye81 / 72°F27 / 22°C91%11 mph18 km/h–
Day 5Wed, Dec 16Costa Maya80 / 72°F27 / 22°C56%11 mph18 km/h–
Day 6Thu, Dec 17Cozumel80 / 72°F27 / 22°C58%11 mph18 km/h–
Day 7Fri, Dec 18At sea77 / 69°F25 / 20°C56%9 mph15 km/h3 ft (0.8 m)Slight; rougher days up to 4 ft
Day 8Sat, Dec 19Miami Disembark74 / 65°F24 / 18°C54%13 mph21 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

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