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NWS Forecast for: Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays (LSZ247) Issued by: National Weather Service Marquette, MI Last Update: 1101 PM EDT Tue Sep 2 2025 | ![]() |
Rest Of Tonight: Southwest wind 10 to 20 knots veering west 15 to 20 knots late. Showers likely and a chance of thunderstorms. Waves 1 to 2 feet building to 2 to 3 feet. Wednesday: Northwest wind 15 to 25 knots. Showers likely and a slight chance of thunderstorms through early afternoon, then a chance of showers late. A slight chance of waterspouts by late morning. Waves building to 2 to 4 feet. Wednesday Night: Northwest wind 20 to 25 knots becoming 15 to 25 knots after midnight. Cloudy. A chance of rain showers and a slight chance of thunderstorms in the evening, then rain showers likely and a slight chance of thunderstorms after midnight. A slight chance of waterspouts through the night. Waves 2 to 4 feet. Thursday: West wind 10 to 20 knots with gusts up to 27 knots. Mostly cloudy. A slight chance of waterspouts in the morning. A chance of rain showers in the morning, then a slight chance of rain showers in the afternoon. Waves subsiding to 2 to 3 feet, then building to 2 to 4 feet. | |
Zone Forecast: Portage Lake to Huron Island MI to Lower Entrance of Portage Canal To Huron Islands MI Including Keweenaw and Huron Bays (LSZ247) | |
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