MyCruiseForecast

Norwegian Cruise Line · 7 nights

Norwegian Viva weather: 7-night cruise from Galveston, December 5, 2026

The Norwegian Viva (Norwegian Cruise Line) leaves Galveston on December 5, 2026 for a 7-night cruise, with stops in Cozumel, Roatán, Harvest Caye and Costa Maya. It returns to Galveston on December 12, 2026. Typical afternoon highs along the route run from 67°F to 82°F (19°C to 28°C), and 2 days are at sea, where seas are typically slight (around 4 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 (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 5Galveston Embark67 / 61°F19 / 16°C42%19 mph30 km/h–
Day 2Sun, Dec 6At sea74 / 68°F24 / 20°C44%12 mph20 km/h3 ft (0.9 m)Slight; rougher days up to 4 ft
Day 3Mon, Dec 7Cozumel82 / 76°F28 / 24°C47%14 mph22 km/h–
Day 4Tue, Dec 8Roatán82 / 77°F28 / 25°C82%20 mph32 km/h–
Day 5Wed, Dec 9Harvest Caye81 / 72°F27 / 22°C91%11 mph18 km/h–
Day 6Thu, Dec 10Costa Maya82 / 75°F28 / 24°C67%14 mph22 km/h–
Day 7Fri, Dec 11At sea74 / 68°F24 / 20°C55%12 mph20 km/h4 ft (1.2 m)Slight; rougher days up to 5 ft
Day 8Sat, Dec 12Galveston Disembark67 / 61°F19 / 16°C42%19 mph30 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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