Great Lakes Forecast
Issued by NWS
Issued by NWS
157 FZUS63 KMQT 110858 GLFLS Open Lake Forecast for Lake Superior National Weather Service Marquette MI 358 AM EST Wed Feb 11 2026 For waters beyond 5 nautical miles of shore on Lake Superior. Waves are the significant wave height - the average of the highest 1/3 of the wave spectrum. Occasional wave height is the average of the highest 1/10 of the wave spectrum. .SYNOPSIS... 30.3 inch high pressure builds over the Northern Plains into the Great Lakes by Thursday morning. Friday, the high moves to the southern portion of the Great Lakes while a 29.8 inch low moves across northern Ontario. This low pulls a 29.9 inch trough near eastern Lake Superior Friday afternoon. Saturday, high pressure resumes over the Great Lakes before a weak 29.9 inch trough moves into the Upper Great Lakes Saturday night. Weak ridging of 30.1 inches moves over Lake Superior on Sunday. LSZ162-112100- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 358 AM EST Wed Feb 11 2026 /258 AM CST Wed Feb 11 2026/ .EARLY THIS MORNING...Northwest winds 10 to 20 knots. Isolated snow showers. Waves calm to 2 feet. .TODAY...Northwest winds 10 to 20 knots becoming west 5 to 15 knots by mid afternoon. Waves calm to 2 feet. .TONIGHT...West winds 5 to 15 knots veering northwest by midnight. Waves calm to 2 feet. .THURSDAY...South winds less than 10 knots becoming southwest 5 to 15 knots by late morning, then backing south by mid afternoon. Waves calm to 2 feet. .THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to 10 to 20 knots after midnight. Waves calm to 2 feet. .FRIDAY...West winds 10 to 20 knots. Waves calm to 2 feet. .FRIDAY NIGHT...West winds 5 to 15 knots backing southwest after midnight. Waves calm to 2 feet. .SATURDAY...South winds 5 to 15 knots veering west. Waves calm to 2 feet. .SUNDAY...West winds 5 to 15 knots. Waves calm to 2 feet. Note, wave height forecasts are for ice free areas. $$ LSZ263-112100- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- 358 AM EST Wed Feb 11 2026 .EARLY THIS MORNING...Northwest winds 10 to 20 knots. Isolated snow showers. Waves 2 to 4 feet. .TODAY...Northwest winds 10 to 20 knots becoming west 5 to 15 knots by mid afternoon. Waves subsiding to calm to 2 feet. .TONIGHT...Northwest winds 5 to 15 knots diminishing to less than 10 knots late. Waves calm to 2 feet. .THURSDAY...Southwest winds less than 10 knots increasing to 5 to 15 knots. Waves calm to 2 feet. .THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to 10 to 20 knots after midnight. Waves calm to 2 feet. .FRIDAY...West winds 10 to 20 knots. Waves calm to 2 feet. .FRIDAY NIGHT...West winds 5 to 15 knots backing southwest after midnight. Waves calm to 2 feet. .SATURDAY...South winds 5 to 15 knots veering southwest. Waves calm to 2 feet. .SUNDAY...West winds 5 to 15 knots. Waves calm to 2 feet. Note, wave height forecasts are for ice free areas. $$ LSZ264-112100- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 358 AM EST Wed Feb 11 2026 .EARLY THIS MORNING...Northwest winds 15 to 25 knots. Freezing spray. Isolated snow showers. Waves 4 to 7 feet occasionally to 9 feet. .TODAY...Northwest winds 15 to 25 knots diminishing to 10 to 20 knots by mid afternoon. Freezing spray in the morning. Isolated snow showers in the morning. Waves subsiding to 2 to 4 feet. .TONIGHT...North winds 10 to 20 knots diminishing to 5 to 15 knots by midnight, then backing northwest late. Waves subsiding to calm to 2 feet. .THURSDAY...West winds less than 10 knots increasing to 5 to 15 knots by late morning, then backing southwest by mid afternoon. Waves calm to 2 feet. .THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming west 10 to 20 knots after midnight. Waves building to 1 to 3 feet. .FRIDAY...West winds 15 to 25 knots. Waves 1 to 3 feet. .FRIDAY NIGHT...Northwest winds 5 to 15 knots backing west after midnight. Waves subsiding to calm to 2 feet. .SATURDAY...South winds 5 to 15 knots. Waves calm to 2 feet. .SUNDAY...West winds 5 to 15 knots. Waves calm to 2 feet. Note, wave height forecasts are for ice free areas. $$ LSZ265-112100- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 358 AM EST Wed Feb 11 2026 ...GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING... .EARLY THIS MORNING...Northwest winds 20 to 30 knots. Isolated snow showers. Waves calm to 2 feet. .TODAY...Northwest winds 20 to 30 knots diminishing to 15 to 25 knots by mid afternoon. Isolated snow showers. Waves calm to 2 feet. .TONIGHT...Northwest winds 10 to 20 knots backing west late. Isolated snow showers in the evening. Waves calm to 2 feet. .THURSDAY...West winds 5 to 15 knots backing south by mid afternoon. Waves calm to 2 feet. .THURSDAY NIGHT...South winds 10 to 20 knots veering west after midnight. Waves calm to 2 feet. .FRIDAY...West winds 15 to 25 knots. Waves calm to 2 feet. .FRIDAY NIGHT...West winds 10 to 20 knots. Waves calm to 2 feet. .SATURDAY...South winds 10 to 20 knots. Waves calm to 2 feet. .SUNDAY...West winds 10 to 20 knots. Waves calm to 2 feet. Note, wave height forecasts are for ice free areas. $$ LSZ266-112100- 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- 358 AM EST Wed Feb 11 2026 ...GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING... .EARLY THIS MORNING...Northwest winds to 30 knots with a few gale force gusts to 35 knots possible. Freezing spray. Scattered snow showers. Waves 7 to 10 feet occasionally to 13 feet. .TODAY...Northwest winds to 30 knots with a few gale force gusts to 35 knots possible diminishing to 20 to 30 knots. Freezing spray. Scattered snow showers. Waves subsiding to 4 to 7 feet occasionally to 9 feet. .TONIGHT...Northwest winds 15 to 25 knots becoming north 10 to 20 knots by midnight. Freezing spray in the evening. Scattered snow showers. Waves subsiding to 1 to 3 feet. .THURSDAY...Northwest winds 5 to 15 knots backing southwest by mid afternoon. Waves subsiding to calm to 2 feet. .THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to 15 to 25 knots after midnight. Waves building to 1 to 3 feet. .FRIDAY...West winds 15 to 25 knots veering northwest in the afternoon. Waves building to 2 to 4 feet. .FRIDAY NIGHT...Northwest winds 10 to 20 knots backing west after midnight. Waves subsiding to calm to 2 feet. .SATURDAY...South winds 10 to 20 knots. Waves building to 1 to 3 feet. .SUNDAY...West winds 10 to 20 knots. Waves subsiding to calm to 2 feet. Note, wave height forecasts are for ice free areas. $$ LSZ267-112100- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 358 AM EST Wed Feb 11 2026 ...GALE WARNING IN EFFECT UNTIL 4 AM EST EARLY THIS MORNING... .EARLY THIS MORNING...Northwest winds 20 to 30 knots. Freezing spray. Scattered snow showers. Waves 6 to 10 feet occasionally to 13 feet. .TODAY...North winds 20 to 30 knots becoming northwest 15 to 25 knots by mid afternoon. Freezing spray. Scattered snow showers. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .TONIGHT...North winds 15 to 25 knots diminishing to 5 to 15 knots. Isolated snow showers in the evening. Waves subsiding to calm to 2 feet. .THURSDAY...North winds 5 to 15 knots backing west by mid afternoon. Waves calm to 2 feet. .THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to 10 to 20 knots after midnight. Waves building to 1 to 3 feet. .FRIDAY...West winds 10 to 20 knots becoming northwest 15 to 25 knots in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet. .FRIDAY NIGHT...Northwest winds 5 to 15 knots. Waves subsiding to calm to 2 feet. .SATURDAY...South winds 5 to 15 knots increasing to 10 to 20 knots. Waves calm to 2 feet. .SUNDAY...South winds 10 to 20 knots veering west. Waves calm to 2 feet. Note, wave height forecasts are for ice free areas. $$ LSZ261-111500- MAFOR 1110/ Superior West 12720 11710 12610 13700. Waves omitted due to the lake being mostly ice covered. Superior North Central 12740 12730 11720 11820 11810 11800. Waves 4 to 7 feet subsiding to 3 to 6 feet today. Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. Superior South Central 11740 11740 19747 12740 12730 11720 11710. Waves 5 to 9 feet subsiding to 4 to 7 feet today. Waves 3 to 6 feet subsiding to 1 to 3 feet tonight. Wave heights are for ice free areas. Superior East 11741 19747 11841 11830 11731 11831 11830 11820 11810. Waves 6 to 10 feet subsiding to 5 to 8 feet today. Waves 4 to 7 feet subsiding to 1 to 3 feet tonight. $$ WFO MQT Experimental modernized open lake forecast is available online at weather.gov/mqt/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes