British Waterways say that the navigation will re-open at 3.00 pm tomorrow afternoon Thursday 15th September. Winding can be found below Marple Bottom Lock or between Chadkirk and Hatherlow aqueducts.
Any enquiries about this stoppage should be made to BW on 01782 785703.
Update 14th September, 4.45 pm:
It is reported that boaters have removed part of the obstruction and boats are now able to squeeze past with care.