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Active Spring Like Pattern Across the Country

A frontal boundary will slowly move eastward and clear most of the eastern seaboard by Sunday. Showers and thunderstorms, some severe, will accompany this front alongside the threat of heavy rainfall; These threats may linger along the Gulf Coast states into early next week. Meanwhile, record spring-like warmth is forecast, mainly east of the Mississippi River, this weekend into next week. Read More >

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: 1000 AM EST Sat Mar 7 2026		Print



Rest Of Today: North winds 10 to 20 knots backing northwest by late morning, then becoming west 15 to 25 knots by mid afternoon. A chance of snow showers late in the morning. Waves 2 to 4 feet subsiding to calm to 2 feet.

Tonight: Southwest winds 20 to 30 knots increasing to gales to 40 knots by midnight. A slight chance of rain and snow showers after midnight. Waves building to 7 to 10 feet occasionally to 13 feet.

Sunday: Southwest gales to 40 knots diminishing to 20 to 30 knots by mid afternoon. Waves building to 8 to 11 feet occasionally to 14 feet, then subsiding to 3 to 6 feet occasionally to 8 feet.

Sunday Night: Southwest winds 15 to 25 knots increasing to 20 to 30 knots after midnight. A slight chance of rain showers in the evening. Waves subsiding to 3 to 6 feet occasionally to 8 feet.

Monday: West winds 15 to 25 knots. Waves subsiding to 2 to 4 feet.

Monday Night: Northwest winds 10 to 20 knots becoming northeast 15 to 25 knots after midnight. Waves subsiding to calm to 2 feet.

Tuesday: Northeast winds 15 to 25 knots increasing to gales to 35 knots. A chance of snow showers. Waves building to 7 to 10 feet occasionally to 13 feet.

Wednesday: Northeast gales to 35 knots becoming north 15 to 25 knots. Waves building to 8 to 11 feet occasionally to 14 feet, then subsiding 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)

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