Coastal Waters Forecast for Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park (LSZ263) (Text-Only)
NWS Forecast for: Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park (LSZ263)
Issued by: National Weather Service Marquette, MI
Last Update: 1001 PM EDT Fri Sep 25 2026


Rest Of Tonight: East winds 5 to 15 knots. Waves calm to 2 feet.

Saturday: Southeast winds 5 to 15 knots backing east in the afternoon. Waves calm to 2 feet.

Saturday Night: East winds 5 to 15 knots veering south after midnight. A slight chance of showers after midnight. Waves calm to 2 feet.

Sunday: South winds 5 to 15 knots veering southwest by mid afternoon. A slight chance of showers through early afternoon. Waves calm to 2 feet.

Sunday Night: Southwest winds 5 to 15 knots becoming west less than 10 knots after midnight. Waves calm to 2 feet.

Monday: Northeast winds less than 10 knots becoming east 5 to 15 knots by mid afternoon. Waves calm to 2 feet.

Monday Night: Southeast winds 5 to 15 knots veering south after midnight. Waves calm to 2 feet.

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

Wednesday: Southwest winds 10 to 20 knots becoming west 5 to 15 knots. A chance of showers. Waves calm to 2 feet.







Zone Forecast: Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park (LSZ263)

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