Period on the beach

Jess

So I’m 14 and got my period a couple of months ago, Tomorow I’m going to the beach with my family, and I do know How to use a tampon But I’m not Bleeding that much and It’s hard to put it in and I don’t know How deep in its supposed to be😔 do u have any excuses I can say to Why I won’t be in the water too much that I can say to my dad? I love Swimming usually so I can’t say ”It’s cold”! Happy for answer!