You are not fighting “depth.” You are fighting mass + velocity. Water Is Heavy — Much Heavier Than People Realize. Water weighs about 62.4 pounds per cubic foot. When water is moving: • Even 6 inches of fast-moving water can knock an adult off balance • 12 inches can carry away a small car • 18–24 inches can lift, roll, or drag most vehicles — and people YAY 🥳 #Science

Indeed. I jumped off my boat one day, as the tide was going out. I'll be fine, I thought. I know the ground. It's fifteen feet to the shore. It's only knee deep. I only put one foot wrong and I was thrown off balance. I fell and my bag fell from my shoulder and began to float away with the tide, leading to me scrabbling after it. I learned my lesson.