I suppose I'll kick off the usual "why don't they just do X" thread. It seems to me that if they can't move it by any normal means, they could just start pushing cargo containers overboard and fish them out until it's light enough to move. I could also a lot of plausible reasons why they wouldn't do that: - it wouldn't work (no equipment to move containers) - the ship's owner doesn't want to do that and no one has th…
The carrier can announce a general average [1] which allows it to throw the containers overboard if they believe it will help the ship get moving. [1] https://en.wikipedia.org/wiki/General_average
You also can't argue that they have to dump it overboard because of the costs that the delays will cause, because such costs are explicitly excluded in the 2004 rules on general averages [1]
[1] Rule C, paragraph 3 https://shippingandfreightresource.com/wp-content/uploads/20...