Do I need fishing licenses to fish

Yes. You can get a free saltwater fishing license at Walmart in the fishing department. Freshwater costs less than 20 bucks a year. You can fish without a license on the following days. License-free freshwater days First consecutive Saturday and Sunday in April Second consecutive Saturday and Sunday in June License-free saltwater days First consecutive Saturday and Sunday in June First Saturday in September Saturday following Thanksgiving

Thanks. On vacation so I am a non-resident.