The vessel developed a heavy list soon after leaving the port of Southampton on Saturday night.
Salvor Svitzer is currently mobilising resources to try to save the 51,770-gt Hoegh Osaka (built 2000).
The vessel is reported to be in a stable condition and early fears it might sink as a result of a 45o list have eased.
But the list has increased to 52o making it more likely that the cargo of 1,400 cars and about 75 pieces of earthmoving equipment will have shifted, further complicating what looks to be a difficult salvage operation.
Preliminary