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. && LSZ162-032145- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 939 AM EDT Sun Jul 3 2022 /839 AM CDT Sun Jul 3 2022/ .REST OF TODAY...Northeast winds 5 to 15 knots veering east in the afternoon. A slight chance of showers and thunderstorms by mid afternoon. Waves calm to 2 feet. .TONIGHT...Northeast winds 10 to 20 knots. Showers likely and a chance of thunderstorms. Patchy fog after midnight. Waves calm to 2 feet. .MONDAY...Northeast winds 10 to 20 knots. Patchy fog through early afternoon. Showers likely through early afternoon. A chance of thunderstorms. A chance of showers by mid afternoon. Waves building to 1 to 3 feet. .MONDAY NIGHT...Northeast winds 10 to 20 knots. A chance of showers and thunderstorms. Waves subsiding to calm to 2 feet. .TUESDAY...Northeast winds 10 to 20 knots. Waves calm to 2 feet. .TUESDAY NIGHT...Northeast winds 5 to 15 knots. Waves calm to 2 feet. .WEDNESDAY...Northeast winds 10 to 20 knots diminishing to 5 to 15 knots. Waves calm to 2 feet. .THURSDAY...Southwest winds 5 to 15 knots backing northeast. Waves calm to 2 feet. $$ LSZ263-032145- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- 939 AM EDT Sun Jul 3 2022 .REST OF TODAY...Southwest winds 5 to 15 knots backing east in the afternoon. Waves calm to 2 feet. .TONIGHT...East winds 10 to 20 knots. A chance of showers through midnight. A chance of thunderstorms. Showers likely after midnight. Patchy fog after midnight. Waves calm to 2 feet. .MONDAY...East winds 10 to 20 knots backing northeast in the afternoon. Showers likely through early afternoon. A chance of thunderstorms. A chance of showers by mid afternoon. Waves calm to 2 feet. .MONDAY NIGHT...Northeast winds 10 to 20 knots. A chance of showers and thunderstorms. Waves building to 1 to 3 feet, then subsiding to calm to 2 feet. .TUESDAY...Northeast winds 10 to 20 knots diminishing to 5 to 15 knots by mid afternoon. Waves calm to 2 feet. .TUESDAY NIGHT...Northeast winds 5 to 15 knots veering east after midnight. Waves calm to 2 feet. .WEDNESDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet. .THURSDAY...West winds 5 to 15 knots veering northeast. Waves calm to 2 feet. $$ 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. $$ LSZ265-032145- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 939 AM EDT Sun Jul 3 2022 .REST OF TODAY...West winds 5 to 15 knots backing east in the afternoon, then becoming southeast 10 to 20 knots late. Waves calm to 2 feet. .TONIGHT...Southeast winds 10 to 20 knots. Showers. A chance of thunderstorms after midnight. Patchy fog after midnight. Waves calm to 2 feet. .MONDAY...Southeast winds 10 to 20 knots backing east late. Showers likely and a chance of thunderstorms. Waves calm to 2 feet. .MONDAY NIGHT...East winds 10 to 20 knots backing northeast after midnight. A chance of showers and thunderstorms. Waves calm to 2 feet. .TUESDAY...North winds 10 to 20 knots diminishing to 5 to 15 knots by mid afternoon. Waves calm to 2 feet. .TUESDAY NIGHT...North winds 5 to 15 knots veering east after midnight. Waves calm to 2 feet. .WEDNESDAY...East winds 5 to 15 knots becoming southeast 10 to 20 knots. Waves calm to 2 feet. .THURSDAY...North winds 10 to 20 knots diminishing to 5 to 15 knots. Waves calm to 2 feet. $$ LSZ266-032145- 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- 939 AM EDT Sun Jul 3 2022 .REST OF TODAY...West winds 5 to 15 knots backing east late. Waves calm to 2 feet. .TONIGHT...Southeast winds 5 to 15 knots increasing to 10 to 20 knots after midnight. A chance of showers through midnight, then showers likely and a slight chance of thunderstorms after midnight. Waves calm to 2 feet. .MONDAY...Southeast winds 10 to 20 knots backing east late. Showers likely and a slight chance of thunderstorms. Waves building to 1 to 3 feet, then subsiding to calm to 2 feet. .MONDAY NIGHT...East winds 10 to 20 knots backing northeast after midnight. A chance of showers and thunderstorms. Waves calm to 2 feet. .TUESDAY...Northeast winds 10 to 20 knots backing north by mid afternoon. Waves calm to 2 feet. .TUESDAY NIGHT...North winds 5 to 15 knots veering east after midnight. Waves calm to 2 feet. .WEDNESDAY...East winds 5 to 15 knots becoming south 10 to 20 knots. Waves calm to 2 feet. .THURSDAY...Northwest winds 5 to 15 knots veering north. Waves calm to 2 feet. $$ LSZ267-032145- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 939 AM EDT Sun Jul 3 2022 .REST OF TODAY...West winds 5 to 15 knots veering northwest in the afternoon, then veering northeast late. Waves calm to 2 feet. .TONIGHT...Southeast winds 5 to 15 knots increasing to 10 to 20 knots late. A chance of showers through midnight, then showers likely and a slight chance of thunderstorms after midnight. Waves calm to 2 feet. .MONDAY...Southeast winds 10 to 20 knots. Showers likely and a slight chance of thunderstorms. Waves calm to 2 feet. .MONDAY NIGHT...East winds 10 to 20 knots. A chance of showers and thunderstorms. Waves calm to 2 feet. .TUESDAY...Northeast winds 10 to 20 knots backing north by mid afternoon. Waves calm to 2 feet. .TUESDAY NIGHT...North winds 10 to 20 knots veering east after midnight. Waves calm to 2 feet. .WEDNESDAY...East winds 10 to 20 knots veering southeast. Waves calm to 2 feet. .THURSDAY...Northwest winds 5 to 15 knots increasing to 10 to 20 knots. Waves calm to 2 feet. $$ LSZ261-032145- MAFOR 0315/ Superior West 12200 12210 14116. A chance of thunderstorms overnight and Monday morning. Waves 2 feet or less. Superior North Central 11600 11500 13310 12316 11320. Waves 2 feet or less this afternoon and tonight. Waves 1 to 3 feet Monday morning. Superior South Central 11800 11200 12310 14316. Waves 2 feet or less this afternoon and tonight. Waves 1 to 3 feet Monday morning. Superior East 11600 11700 11200 12300 13316. Waves 1 to 2 feet. $$ 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