A 10-meter humpback whale has spent nearly two days trapped on a sandbank off Germany’s Baltic coast, its condition worsening as rescue attempts fail and onlookers crowd the shoreline.

The young male was first spotted near Niendorf in Lübeck Bay early Monday after hotel guests heard deep moaning from the water. Rescuers have tried boats to generate waves, drones, and even suction equipment to remove sand from beneath its massive body. Nothing has worked.

“Unfortunately, it turned out that the sand was too compact,” said Dr. Stephanie Groß from the Institute of Terrestrial and Aquatic Wildlife Research (ITAW).

The whale managed to turn toward open water during Monday night’s high tide, only to return to the sandbank. Its skin is deteriorating. It rises and falls slowly with each breath, making deep, muffled sounds.

A fresh attempt is planned for Thursday, when new equipment arrives. But forecasts show water levels dropping by up to 60 centimeters by then — a complication for an animal that needs deeper water to swim free.

Why the whale ended up here remains unclear. The Baltic Sea is not natural humpback habitat: the salt content is too low, and there’s insufficient krill or schooling fish to sustain them. Dr. Jan Dierking from GEOMAR Helmholtz Centre for Ocean Research suggests whales may follow fish shoals from the North Sea and become disoriented. Young males exploring new territory can go off course.

Humpback sightings in the Baltic have increased in recent years. Whether that reflects changing migration patterns, shifting fish populations, or simply better reporting is an open question.

For now, Mayor Sven Partheil-Böhnke has sealed off the beach and pleaded with the public to stay back. “We will try everything to save the animal,” he said.

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