Royal Caribbean · 7 nights
Radiance of the Seas weather: 7-night cruise from Tampa, December 19, 2026
The Radiance of the Seas (Royal Caribbean) leaves Tampa on December 19, 2026 for a 7-night cruise, with stops in Costa Maya, Cozumel and Perfect Day at CocoCay. It returns to Tampa on December 26, 2026. Typical afternoon highs along the route run from 69°F to 80°F (21°C to 27°C), and 3 days are at sea, where seas are typically slight (around 3 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 19 | Tampa Embark | 69 / 55°F21 / 13°C | 29% | 12 mph19 km/h | – |
| Day 2Sun, Dec 20 | At sea | 75 / 63°F24 / 17°C | 43% | 9 mph14 km/h | 3 ft (0.8 m)Slight; rougher days up to 5 ft |
| Day 3Mon, Dec 21 | At sea | 75 / 63°F24 / 17°C | 43% | 9 mph14 km/h | 3 ft (0.8 m)Slight; rougher days up to 5 ft |
| Day 4Tue, Dec 22 | Costa Maya | 80 / 72°F27 / 22°C | 56% | 11 mph18 km/h | – |
| Day 5Wed, Dec 23 | Cozumel | 80 / 72°F27 / 22°C | 58% | 11 mph18 km/h | – |
| Day 6Thu, Dec 24 | At sea | 78 / 73°F25 / 23°C | 48% | 11 mph18 km/h | 2 ft (0.7 m)Slight; rougher days up to 4 ft |
| Day 7Fri, Dec 25 | Perfect Day at CocoCay | 76 / 73°F24 / 23°C | 38% | 19 mph31 km/h | – |
| Day 8Sat, Dec 26 | Tampa Disembark | 69 / 55°F21 / 13°C | 29% | 12 mph19 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
- Costa MayaWeather by month
- CozumelWeather by month
- Perfect Day at CocoCayWeather by month
- TampaWeather by month
More Radiance of the Seas sailings
- December 26, 2026: 7 nights from Tampa
All Radiance of the Seas sailings · All Royal Caribbean ships