Lake Superior East of a line from Manitou Island to Marquette MI and West of a line from Grand Marais MI to the US/Canadian Border Beyond 5NM from shore Marine Forecast
Updated 4:00am EDT Aug 27, 2026
Synopsis
North winds 15 to 25 knots. Waves 3 to 6 feet occasionally to 8 feet.
Early This Morning
North winds 15 to 25 knots diminishing to 10 to 20 knots in the afternoon, then backing northwest late. Waves subsiding to 1 to 3 feet.
Today
Northwest winds 10 to 20 knots becoming north 5 to 15 knots late. Waves subsiding to calm to 2 feet.
Tonight
West winds 5 to 15 knots backing east late. Waves calm to 2 feet.
Friday
South winds 5 to 15 knots increasing to 10 to 20 knots after midnight. Waves calm to 2 feet.
Friday Night
South winds 5 to 15 knots backing southeast by mid afternoon. Waves calm to 2 feet.
Saturday
South winds 10 to 20 knots. A chance of showers. Waves calm to 2 feet.
Saturday Night
East winds 10 to 20 knots. A chance of showers. Waves building to 1 to 3 feet.
Sunday
Southeast winds 15 to 25 knots veering southwest. A chance of showers. Waves building to 2 to 4 feet, then subsiding to 1 to 3 feet.
