How long can whales wait until they blow out water in there spout?

Whales don't actually "blow out water" from their spout. What you see is exhaled air, which can appear like a spout because it's warm and moist.

Here's a breakdown of why:

* Whales breathe air: Unlike fish, whales are mammals that need to breathe air.

* Holding their breath: Whales can hold their breath for surprisingly long periods, depending on the species. For example, sperm whales can stay submerged for up to 90 minutes, while blue whales typically hold their breath for 10-20 minutes.

* The blowhole: Whales have a blowhole on top of their heads, which is the opening to their respiratory system. When they surface, they exhale forcefully through the blowhole, releasing the warm, moist air.

So, it's not a matter of how long they can hold their breath until they "blow out water," but rather how long they can stay submerged until they need to breathe again. This varies based on the species, their activity level, and other factors.