WHLS is an alternative rock radio station licensed to Port Huron, Michigan, with a power output of 1,000 watts, covering much of St. Clair County, Michigan. It is the oldest continuously operating radio station serving St. Clair County. The station is owned by Radio First and broadcasts from studios on Huron Avenue in Downtown Port Huron. Its programming is also simulcasted on FM Translator W288BT, licensed to St. Clair, Michigan at 105.5 MHz, with an effective radiated power of 49 watts.

Port Huron is a city in the U.S. state of Michigan and the county seat of St. Clair County. The population was 28,983 at the 2020 census. The city is bordered on the west by Port Huron Township, but the two are administered autonomously.