National Data Buoy Center - Real-time weather data and statistics from the station at the Sheboygan Harbor Lighthouse. www.ndbc.noaa.gov/station_page.phtml?$station=sgnw3
Weather Underground: Sheboygan, Wisconsin Forecast - Advisories, Forecast and Current Conditions for Sheboygan and Sheboygan Falls. Historical weather statistics also available. www.wunderground.com/US/WI/Sheboygan