It was about 95 degrees today, but the breeze was constant and I was standing (up to my chest) in cool running water. That's about as good as it gets. Not a lot of finds, because I was limited (due to water depth) to the top foot of gravel. Found a dolphin tooth, and a penny. Thanks to @Harry Pristis for the picture and ID.
for the picture and ID.
And then this Broken shark tooth. I am always thinking Meg when I hunt. It might be GW. It is approximately 15 mm on each side.