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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Norwegian Cruise Line (NCL)'s Norwegian Sun for a 7-night voyage on the Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland route, setting out from Copenhagen, Denmark on July 19, 2026. It's a classic Northern Europe cruise. Travelers sailing in July can generally expect cold, short days. Ports of call include Copenhagen, Denmark, Warnemunde, Germany, Gdynia, Poland, with 5 more along the way. The forecasts below break the weather down port by port.
Copenhagen, Denmark is a scheduled port of call on day 1 of the 7-night Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland cruise on Norwegian Sun. Expected weather: partially cloudy with highs near 65°F.
Warnemunde, Germany is a scheduled port of call on day 2 of the 7-night Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland cruise on Norwegian Sun. Expected weather: partially cloudy with highs near 63°F.
Gdynia, Poland is a scheduled port of call on day 3 of the 7-night Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland cruise on Norwegian Sun. Expected weather: clear with highs near 64°F.
Klaipeda, Lithuania is a scheduled port of call on day 4 of the 7-night Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland cruise on Norwegian Sun. Expected weather: clear with highs near 65°F.
Riga, Latvia is a scheduled port of call on day 5 of the 7-night Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland cruise on Norwegian Sun. Expected weather: overcast with highs near 61°F.
Nynashamn, Sweden is a scheduled port of call on day 6 of the 7-night Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland cruise on Norwegian Sun. Expected weather: partially cloudy with highs near 68°F.
Tallinn, Estonia is a scheduled port of call on day 7 of the 7-night Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland cruise on Norwegian Sun. Expected weather: partially cloudy with highs near 61°F.
Helsinki, Finland is a scheduled port of call on day 8 of the 7-night Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland cruise on Norwegian Sun. Expected weather: partially cloudy with highs near 76°F.
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