
Plan Your Cruise With Free Weather Forecasts
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Loading Travel Forecast…Departing Copenhagen, Denmark on August 22, 2026, the Norwegian Cruise Line (NCL) ship Norwegian Sun runs this 7-night Baltic from Copenhagen to Helsinki: Germany, Sweden & Poland sailing. It's a classic Northern Europe cruise. Travelers sailing in August can generally expect cold, short days. Ports of call include Copenhagen, Denmark, Kiel, Germany, Warnemunde, Germany, with 5 more along the way. Scroll the daily outlook below to pack smart for every port of call.
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 68°F.
Kiel, 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 71°F.
Warnemunde, Germany 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: partially cloudy with highs near 71°F.
Gdynia, Poland 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: partially cloudy with highs near 72°F.
Klaipeda, Lithuania 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: partially cloudy with highs near 68°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 63°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 65°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 62°F.
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Budget PickExclusive Guided Boat Tour in Copenhagen
From $42
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Most PopularAll-in-One: Beautiful Lübeck: Shore Excursion from Kiel Port
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Most PopularPrivate Curonian Spit (Neringa) Tour from Klaipeda – Nida & Dunes
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From $33
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Most PopularTallinn Highlights Shore Excursion With Port Return Transfer
From $69
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Budget PickSoviet Walking Tour of Tallinn: Explore the City's Hidden History
From $35
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Most PopularHelsinki and Suomenlinna Day Tour with Ferry Ride
From $127
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Budget PickA Finntastic Walking Tour in Helsinki
From $23
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Copenhagen, Denmark
Budget PickExclusive Guided Boat Tour in Copenhagen
From $42
Book NowKiel, Germany
Most PopularAll-in-One: Beautiful Lübeck: Shore Excursion from Kiel Port
From $83
Book Now
Budget PickAll-in-One Hamburg Shore Excursion from the port of Kiel
From $104
Book NowKlaipeda, Lithuania
Most PopularPrivate Curonian Spit (Neringa) Tour from Klaipeda – Nida & Dunes
From $174
Book Now
Budget PickHistorical Klaipeda Old Town -search for the lost City of Memel
From $33
Book NowTallinn, Estonia
Most PopularTallinn Highlights Shore Excursion With Port Return Transfer
From $69
Book Now
Budget PickSoviet Walking Tour of Tallinn: Explore the City's Hidden History
From $35
Book NowHelsinki, Finland
Most PopularHelsinki and Suomenlinna Day Tour with Ferry Ride
From $127
Book Now
Budget PickA Finntastic Walking Tour in Helsinki
From $23
Book NowPowered by Viator/Tripadvisor. Booking through our links may earn us a commission keeping this site free at no cost to you.