Coastal Waters Forecast for Port Wing to Sand Island WI (LSZ146) (Text-Only)
NWS Forecast for: Port Wing to Sand Island WI (LSZ146)
Issued by: National Weather Service Duluth, MN
Last Update: 951 PM CDT Fri Sep 11 2026




Rest Of Tonight: South wind 5 to 10 knots becoming southwest after midnight. Gusts up to 20 knots. Chance of showers late in the evening. Slight chance of thunderstorms through the night. Showers likely after midnight. Waves 1 to 2 feet.

Saturday: West wind 10 knots with gusts to around 20 knots rising to 10 to 15 knots with gusts to around 25 knots in the late morning and afternoon. Sunny. Waves 1 to 2 feet.

Saturday Night: West wind 10 to 15 knots with gusts to around 25 knots easing to 5 to 10 knots with gusts to around 20 knots in the late evening and overnight. Partly cloudy in the evening then becoming mostly cloudy. Waves 1 to 2 feet.

Sunday: West wind 5 to 10 knots. Gusts up to 20 knots until late afternoon. Mostly sunny. Waves 1 foot or less.







Zone Forecast: Port Wing to Sand Island WI (LSZ146)

Visit your local NWS office at: https://www.weather.gov/dlh