Here's some information for all Munich visitors.
During the night from Wednesday to Thursday, there was a very serious accident at the Eisbach Wave in the English Garden, and therefore it will remain closed until further notice. The injured surfer is still in critical condition.
German newspaper article: https://www.merkur.de/lokales/muenchen/nach-schwerem-unglueck-auf-der-eisbach-welle-surferin-33-immer-noch-in-kritischem-zustand-93690915.html