Coastal Waters Forecast for Duluth MN to Port Wing WI (LSZ145) (Text-Only)
NWS Forecast for: Duluth MN to Port Wing WI (LSZ145)
Issued by: National Weather Service Duluth, MN
Last Update: 131 PM CDT Mon Sep 14 2026
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Rest Of Today: Southeast wind 10 to 15 knots. Gusts up to 20 knots late. Rain showers likely early in the afternoon, then rain showers and slight chance of thunderstorms late. Waves 1 to 2 feet.

Tonight: Southeast wind 10 to 15 knots with gusts to around 20 knots becoming southwest 15 to 20 knots with gusts to around 30 knots early in the morning. Rain showers and slight chance of thunderstorms in the evening, then chance of rain showers after midnight. Waves 1 to 3 feet.

Tuesday: West wind 20 to 25 knots. Gales up to 40 knots decreasing to 25 knots. Mostly sunny. Waves 4 to 7 feet subsiding to 2 to 4 feet late in the afternoon. Waves occasionally to 9 feet.

Tuesday Night: West wind 5 to 10 knots. Gusts up to 20 knots early in the evening. Mostly clear. Waves 1 to 2 feet.







Zone Forecast: Duluth MN to Port Wing WI (LSZ145)

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