Coastal Waters Forecast for Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border (LSZ264) (Text-Only)
NWS Forecast for: Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border (LSZ264)
Issued by: National Weather Service Marquette, MI
Last Update: 402 PM EDT Mon Aug 4 2025


Late This Afternoon: East winds 5 to 15 knots. Waves calm to 2 feet.

Tonight: East winds 5 to 15 knots. Haze and areas of smoke after midnight. Waves calm to 2 feet.

Tuesday: East winds 5 to 15 knots. Areas of smoke through early afternoon. Haze. Waves calm to 2 feet.

Tuesday Night: Southeast winds 5 to 15 knots. Haze. Areas of smoke after midnight. Waves calm to 2 feet.

Wednesday: Southeast winds 5 to 15 knots. Waves building to 1 to 3 feet.

Wednesday Night: Southeast winds 10 to 20 knots becoming south 5 to 15 knots after midnight. A chance of showers after midnight. Waves 1 to 3 feet.

Thursday: South winds 5 to 15 knots. A chance of showers through early afternoon. Waves subsiding to calm to 2 feet.

Thursday Night: South winds 5 to 15 knots. Waves calm to 2 feet.

Friday: South winds 5 to 15 knots. A chance of showers and thunderstorms. Waves calm to 2 feet.

Saturday: South winds 5 to 15 knots veering southwest. A chance of showers. Waves calm to 2 feet.







Zone Forecast: Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border (LSZ264)

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