The reason is it really difficult to scream if you fall in the water. Also, vocal screams are really not very loud. A whistle will be much louder than a scream, so a whistle is a must of you’re out on the water.This one is the tone you are looking for.

The reason is it really difficult to scream if you fall in the water. Also, vocal screams are really not very loud. A whistle will be much louder than a scream, so a whistle is a must of you’re out on the water.This one is the tone you are looking for.