Regent Seven Seas Cruises · 10 nights
Seven Seas Grandeur weather: 10-night cruise from Miami, December 19, 2026
The Seven Seas Grandeur (Regent Seven Seas Cruises) leaves Miami on December 19, 2026 for a 10-night cruise, with stops in St. Thomas, Roseau, St. John's, Basseterre and Tortola. It returns to Miami on December 29, 2026. Typical afternoon highs along the route run from 74°F to 83°F (24°C to 29°C), and 4 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 19 | Miami Embark | 74 / 65°F24 / 18°C | 54% | 13 mph21 km/h | – |
| Day 2Sun, Dec 20 | At sea | 78 / 71°F25 / 22°C | 46% | 12 mph19 km/h | 4 ft (1.2 m)Slight; rougher days up to 6 ft |
| Day 3Mon, Dec 21 | At sea | 78 / 71°F25 / 22°C | 46% | 12 mph19 km/h | 4 ft (1.2 m)Slight; rougher days up to 6 ft |
| Day 4Tue, Dec 22 | St. Thomas | 81 / 77°F27 / 25°C | 38% | 19 mph30 km/h | – |
| Day 5Wed, Dec 23 | Roseau | 82 / 75°F28 / 24°C | 58% | 13 mph21 km/h | – |
| Day 6Thu, Dec 24 | St. John's | 83 / 76°F29 / 25°C | 38% | 14 mph22 km/h | – |
| Day 7Fri, Dec 25 | Basseterre | 82 / 77°F28 / 25°C | 33% | 13 mph21 km/h | – |
| Day 8Sat, Dec 26 | Tortola | 80 / 77°F27 / 25°C | 31% | 19 mph31 km/h | – |
| Day 9Sun, Dec 27 | At sea | 77 / 71°F25 / 22°C | 43% | 12 mph20 km/h | 4 ft (1.1 m)Slight; rougher days up to 5 ft |
| Day 10Mon, Dec 28 | At sea | 77 / 71°F25 / 22°C | 43% | 12 mph20 km/h | 4 ft (1.1 m)Slight; rougher days up to 5 ft |
| Day 11Tue, Dec 29 | Miami Disembark | 74 / 65°F24 / 18°C | 54% | 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
- St. ThomasWeather by month
- RoseauWeather by month
- St. John'sWeather by month
- BasseterreWeather by month
- TortolaWeather by month
- MiamiWeather by month
More Seven Seas Grandeur sailings
- December 29, 2026: 16 nights from Miami
All Seven Seas Grandeur sailings · All Regent Seven Seas Cruises ships