@prehensile I'm... pretty sure I've seen this sign, or one very like it, in person? Some of the nastier areas on the San Francisco peninsula where it isn't technically safe to swim at all, as I recall?
@prehensile never turn your back on the ocean is great advice for anywhere, anytime. I donβt care if Iβm up in the mountains in Colorado, Iβm keeping my π on the π