The marine mammal, which is stuck on a sandbank, was first spotted in Lübeck Bay on Monday.
Rescuers are continuing to try and save a stranded humpback whale off Germany's north coast.
The marine mammal, which is stuck on a sandbank, was first spotted in Lübeck Bay on Monday.
Diggers have been deployed to dredge a channel back into deeper waters.
Characterised as a race against time, the rescue mission's attracting huge interest.
It's even being livestreamed from Timmendorfer Strand, a seaside town in Schleswig-Holstein.
Hope running low for humpback whale stranded off German coast
Whale stranded off Germany swims to freedom after days of efforts to save it
Stranded whale freed from sandbank off German coast
Whale stranded in Baltic will die unless helped to move soon, say experts
Großwal an Ostseeküste gestrandet: Rettung in Lübecker Bucht läuft
Sorge um gestrandeten Buckelwal vor Timmendorfer Strand
Ostsee: Sorge um gestrandeten Wal vor Timmendorfer Strand hält an
Gestrandeter Wal in Ostsee: Könnte man ihn mit Walgesängen weglocken?
Gestrandeter Buckelwal an Ostsee-Sandbank hat sich befreit
Gestrandeter Buckelwal an der Ostsee: Bagger graben Rettungsrinne
