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: 1003 AM EDT Sun Jul 6 2025




Rest Of Today: North winds 10 to 20 knots diminishing to 5 to 15 knots in the afternoon, then backing northwest late. Waves 3 to 5 feet occasionally to 7 feet subsiding to calm to 2 feet.

Tonight: Northwest winds 5 to 15 knots veering north after midnight, then becoming northeast less than 10 knots late. Waves calm to 2 feet.

Monday: East winds less than 10 knots veering south late. Waves calm to 2 feet.

Monday Night: Southeast winds less than 10 knots increasing to 5 to 15 knots after midnight. A chance of showers and a slight chance of thunderstorms after midnight. Waves calm to 2 feet.

Tuesday: East winds 5 to 15 knots. A slight chance of thunderstorms through early afternoon. A chance of showers. Waves calm to 2 feet.

Tuesday Night: Northeast winds 5 to 15 knots becoming north less than 10 knots after midnight. Waves calm to 2 feet.

Wednesday: North winds 5 to 15 knots becoming south less than 10 knots. Waves calm to 2 feet.

Thursday: Southeast winds 5 to 15 knots. 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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