Does pressure increase in deep water? The deeper you go under the sea, the greater the pressure of the water pushing down on you. For every 33 feet (10.06 meters) you go down, the pressure increases by one atmosphere . Many animals that live in the sea have no trouble at all with high pressure.Feb 26, 2021 https://oceanservice.noaa.gov › facts How does pressure change with ocean depth? - National Ocean Service What happens to pressure in space? There's no pressure in space, so air expands and would painfully tear through the tissue of your lungs as this happened. So in the event that you are sucked out of a space ship or pushed out of an airlock without a spacesuit, it's a better idea to exhale has much as possible, rather than take one final gulp of air.Mar 12, 2015 https://www.businessinsider.com › w... 8 terrible things that can happen to you in outer space