I’ve gotten into the habit of always carrying at least two notebooks (one pocket-sized, one larger one in my everyday backpack) along with my phone and tablet so I am never without a way to jot down ...
A waxed, waterproof journal won't have the silkiness of an Inside Notebook but it has its purpose—and this one performs it well. When water hits the waterproof pages, they just bead up and roll off.