Having worked on a ship in Antarctica I have some experience around whales, especially humpbacks.
Whale breath is a smell that cannot be described, it must be experienced. There is only one thing that is worse than the breath of the whale, and it comes out the other end.
While doing a Krill study in a bay on the Antarctica peninsula we were visited by a pair of humpback whales. This pair were well known to the crew and were named Pete and Matilda after the ships captain and his girlfriend. The whales were swimming around the ship posing for photos and playing hide and seek where they make you try to guess which side of the ship they will surface on next.
Just as Pete surfaced amidships on the starboard side someone flushed the midships head (toilet) right in his face. He instantly done away from the ship and vanished. About 3 minutes later Pete came back to the same place and raising his tail high in the air, sprayed gallons and gallons of liquid poo all over the side of the ship.
More than on person lost their lunch right then.
We had to get out the firehose and wash down the ship to clean the mess.
Remember, never poop on someone with a bigger pooper than you.