There is a term for the cost of just holding something you can't move: the carrying costs. Different commodities have different carrying costs, so you can look at the forward prices for wheat, oil, pork bellies and so on and get a sense for how much it costs to hold on to something for a week or a month etc.

(On rare occasions the curve is inverted)

It won't tell you how much it costs this tanker to delay delivery by a week but it will tell you on average how much "the market" values a week's delay.

It is still a chore to go through and tally all the goods but I think a few main goods (oil, wheat, coffee etc) would account for a large chunk of it and if the carrying costs as a whole would give a sense of the order-of-magnitude of the economic loss.

The loss itself may be distributed between various risk sharing parties like insurance companies and so forth.