Expires:202207032145;;610068 FZUS63 KMQT 031339 GLFLS Open Lake Forecast for Lake Superior National Weather Service Marquette MI 939 AM EDT Sun Jul 3 2022 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...Broad sfc high pressure of 30.2 inches will drift over the Great Lakes region today. As the high moves to the Mid- Atlantic states tonight, a 29.8 inch low pressure trough will develop northeast across the Northern Plains toward the Upper Mississippi Valley. This trough will develop farther into the northern Great Lakes on Monday. As the trough then aligns from the Central Plains to the Lower Great Lakes region during Tuesday, a broad 30.1 inch high pressure will build southeast across northern Ontario. As this high shifts toward southern Quebec on Wednesday, a 29.9 inch low pressure trough will move east to the Dakotas. This trough will cross Lake Superior on Thursday or Friday. In its wake, 30.2 inch high pressure will build southeast to northern Ontario. && LSZ264-032145- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 939 AM EDT Sun Jul 3 2022 .REST OF TODAY...West winds less than 10 knots backing southwest in the afternoon, then becoming southeast 5 to 15 knots late. Waves calm to 2 feet. .TONIGHT...Southeast winds 5 to 15 knots backing east late. A chance of showers through midnight, then showers likely and a slight chance of thunderstorms after midnight. Patchy fog after midnight. Waves calm to 2 feet. .MONDAY...East winds 5 to 15 knots. Patchy fog through early afternoon. A chance of showers and a slight chance of thunderstorms. Waves building to 1 to 3 feet. .MONDAY NIGHT...East winds 5 to 15 knots backing northeast after midnight. A chance of showers and a slight chance of thunderstorms. Waves subsiding to calm to 2 feet. .TUESDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet. .TUESDAY NIGHT...Northeast winds less than 10 knots veering east after midnight. Waves calm to 2 feet. .WEDNESDAY...East winds 5 to 15 knots. Waves calm to 2 feet. .THURSDAY...West winds 5 to 15 knots veering northeast. Waves calm to 2 feet. $$