Royal Caribbean · 9 nights
Spectrum of the Seas weather: 9-night cruise from Hong Kong, December 20, 2026
The Spectrum of the Seas (Royal Caribbean) leaves Hong Kong on December 20, 2026 for a 9-night cruise, with stops in Fukuoka, Nagasaki, Kagoshima and Kumamoto. It returns to Hong Kong on December 29, 2026. Typical afternoon highs along the route run from 49°F to 65°F (9°C to 18°C), and 4 days are at sea, where seas are typically moderate (around 5 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 1Sun, Dec 20 | Hong Kong Embark | 65 / 52°F18 / 11°C | 14% | 12 mph19 km/h | – |
| Day 2Mon, Dec 21 | At sea | 57 / 46°F14 / 8°C | 28% | 10 mph17 km/h | 5 ft (1.4 m)Moderate; rougher days up to 7 ft |
| Day 3Tue, Dec 22 | At sea | 57 / 46°F14 / 8°C | 28% | 10 mph17 km/h | 5 ft (1.4 m)Moderate; rougher days up to 7 ft |
| Day 4Wed, Dec 23 | Fukuoka | 49 / 40°F9 / 4°C | 42% | 16 mph26 km/h | – |
| Day 5Thu, Dec 24 | Nagasaki | 50 / 40°F10 / 5°C | 27% | 12 mph19 km/h | – |
| Day 6Fri, Dec 25 | Kagoshima | 52 / 38°F11 / 4°C | 27% | 11 mph18 km/h | – |
| Day 7Sat, Dec 26 | Kumamoto | 54 / 45°F12 / 7°C | 29% | 11 mph18 km/h | – |
| Day 8Sun, Dec 27 | At sea | 59 / 49°F15 / 9°C | 22% | 9 mph14 km/h | 3 ft (0.8 m)Slight; rougher days up to 4 ft |
| Day 9Mon, Dec 28 | At sea | 59 / 49°F15 / 9°C | 22% | 9 mph14 km/h | 3 ft (0.8 m)Slight; rougher days up to 4 ft |
| Day 10Tue, Dec 29 | Hong Kong Disembark | 65 / 52°F18 / 11°C | 14% | 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
- FukuokaWeather by month
- NagasakiWeather by month
- KagoshimaWeather by month
- KumamotoWeather by month
- Hong KongWeather by month
More Spectrum of the Seas sailings
- December 29, 2026: 5 nights from Hong Kong
All Spectrum of the Seas sailings · All Royal Caribbean ships