| 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 Mon Jul 27 2026 | |
Rest Of Tonight: Northwest winds 5 to 15 knots becoming north less than 10 knots late. Areas of dense fog. Waves calm to 2 feet. Tuesday: West winds less than 10 knots becoming south 5 to 15 knots in the afternoon, then veering southwest late. Patchy fog. Waves calm to 2 feet. Tuesday Night: East winds 5 to 15 knots becoming southeast less than 10 knots after midnight, then veering south late. Waves calm to 2 feet. Wednesday: South winds less than 10 knots backing east by mid afternoon. Waves calm to 2 feet. Wednesday Night: East winds 5 to 15 knots becoming south less than 10 knots after midnight. A slight chance of showers and thunderstorms. Waves calm to 2 feet. Thursday: South winds less than 10 knots. Waves calm to 2 feet. Thursday Night: Southwest winds 5 to 15 knots becoming west less than 10 knots after midnight. A chance of showers and thunderstorms. Waves calm to 2 feet. Friday: Southwest winds 5 to 15 knots veering northwest. Waves calm to 2 feet. Saturday: North winds 5 to 15 knots. 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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