Norwegian Cruise Line · 10 nights
Norwegian Sun weather: 10-night cruise from Helsinki, October 2, 2026
The Norwegian Sun (Norwegian Cruise Line) leaves Helsinki on October 2, 2026 for a 10-night cruise, with stops in Tallinn, Nynashamn, Riga, Klaipeda, Gdynia, Warnemunde and 2 more. It ends in Southampton on October 12, 2026. Typical afternoon highs along the route run from 53°F to 62°F (11°C to 17°C), and 2 days are at sea, where seas are typically slight (around 2 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 1Fri, Oct 2 | Helsinki Embark | 53 / 44°F11 / 7°C | 48% | 17 mph28 km/h | – |
| Day 2Sat, Oct 3 | Tallinn | 54 / 45°F12 / 7°C | 43% | 15 mph24 km/h | – |
| Day 3Sun, Oct 4 | Nynashamn | 55 / 46°F13 / 8°C | 43% | 16 mph26 km/h | – |
| Day 4Mon, Oct 5 | Riga | 56 / 44°F13 / 7°C | 43% | 14 mph22 km/h | – |
| Day 5Tue, Oct 6 | Klaipeda | 57 / 49°F14 / 9°C | 48% | 17 mph27 km/h | – |
| Day 6Wed, Oct 7 | Gdynia | 59 / 48°F15 / 9°C | 37% | 16 mph26 km/h | – |
| Day 7Thu, Oct 8 | Warnemunde | 59 / 49°F15 / 10°C | 50% | 16 mph26 km/h | – |
| Day 8Fri, Oct 9 | Copenhagen | 58 / 50°F14 / 10°C | 38% | 17 mph28 km/h | – |
| Day 9Sat, Oct 10 | At sea | 60 / 50°F16 / 10°C | 36% | 11 mph18 km/h | 2 ft (0.6 m)Slight; rougher days up to 3 ft |
| Day 10Sun, Oct 11 | At sea | 60 / 50°F16 / 10°C | 36% | 11 mph18 km/h | 2 ft (0.6 m)Slight; rougher days up to 3 ft |
| Day 11Mon, Oct 12 | Southampton Disembark | 62 / 50°F17 / 10°C | 33% | 12 mph20 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
- TallinnWeather by month
- RigaWeather by month
- GdyniaWeather by month
- WarnemundeWeather by month
- CopenhagenWeather by month
- SouthamptonWeather by month
- HelsinkiWeather by month
More Norwegian Sun sailings
- October 12, 2026: 12 nights from Southampton
- October 24, 2026: 13 nights from New York City
- November 6, 2026: 12 nights from Miami
- November 18, 2026: 11 nights from Miami
- November 29, 2026: 11 nights from Miami
- December 10, 2026: 11 nights from Miami
All Norwegian Sun sailings · All Norwegian Cruise Line ships