You can go fishing in Texas waters without a license, but only on June 5 Tags: Generic image of a fisherman (Pixabay) HOUSTON – Wanted to try your hand at fishing in Texas? Saturday is a good day, and you don’t need a license. Texas Parks and Wildlife said Wednesday in a release their annual “Free Fishing Day” will take place this Saturday, as a way to encourage experienced anglers to teach newcomers how to fish in Texas waters, while emphasizing conservation efforts by purchasing a yearly license. Texans can fish at any body of water in the state without a license this Saturday only, TPWD said in a release.