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| 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: 936 PM EDT Mon Mar 31 2025 | |
Rest Of Tonight: Northwest winds 5 to 15 knots veering northeast late. Waves calm to 2 feet. Tuesday: East winds 5 to 15 knots increasing to 15 to 25 knots late. Waves building to 3 to 5 feet occasionally to 7 feet. Tuesday Night: East winds 15 to 25 knots increasing to gales to 35 knots late. A chance of snow. Waves building to 7 to 10 feet occasionally to 13 feet. Wednesday: East gales to 40 knots. A slight chance of rain through early afternoon. Snow. Rain by mid afternoon. Waves building to 15 to 20 feet occasionally to 25 feet. Wednesday Night: East gales to 40 knots becoming west 20 to 30 knots after midnight. A chance of snow through midnight. A chance of rain. Snow likely after midnight. Waves subsiding to 4 to 7 feet occasionally to 9 feet. Thursday: Northwest winds 20 to 30 knots becoming west 15 to 25 knots by mid afternoon. Waves subsiding to 3 to 5 feet occasionally to 7 feet. Thursday Night: West winds 10 to 20 knots becoming northwest 5 to 15 knots after midnight. Waves subsiding to calm to 2 feet. Friday: West winds 5 to 15 knots veering northwest. Waves calm to 2 feet. Saturday: Northwest winds 10 to 20 knots. Waves building to 3 to 5 feet occasionally to 7 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) | |
Visit your local NWS office at: https://www.weather.gov/mqt/ |