Official websites use .mil
Secure .mil websites use HTTPS
Shallow draft recreation harbor located on Lake Huron at the tip of the thumb of Michigan, about 80 miles northeast of Saginaw, MI.
Project Map Dredging Information
eHydro Website
2023 Port Austin Harbor PCS
2021 Port Austin Harbor PCS
2017 Port Austin Harbor PCS - PDF
2017 Port Austin DGN