Expires:202411142300;;026031 FZUS63 KMQT 141448 GLFLS Open Lake Forecast for Lake Superior National Weather Service Marquette MI 948 AM EST Thu Nov 14 2024 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...A 29.8 inch low pressure currently over southern Lake Michigan will slowly weaken and eventually dissipate while drifting to the southeast through Friday. Meanwhile, a 30.0 inch high pressure ridge over the Plains will slowly build to 30.2 inches while moving east, reaching the Upper Great Lakes late tonight and Friday. As the ridge drifts to the Lower Great Lakes by Saturday evening, a 29.5 inch low pressure will organize over northeast Colorado and then track to eastern North Dakota. This low will deepen to 29.4 inches as it moves over northern Ontario during Sunday. On Monday, a 30.0 inch high pressure ridge will quickly move across the Upper Great Lakes as a 29.2 inch low pressure organizes over the Southern Plains. LSZ264-142300- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 948 AM EST Thu Nov 14 2024 .REST OF TODAY...East winds 5 to 15 knots. A slight chance of rain in the afternoon. Waves 2 to 4 feet subsiding to 1 to 3 feet. .TONIGHT...East winds 5 to 15 knots veering southeast late. A slight chance of showers in the evening. Waves subsiding to calm to 2 feet. .FRIDAY...South winds 5 to 15 knots veering west. Waves calm to 2 feet. .FRIDAY NIGHT...Southwest winds 5 to 15 knots backing south after midnight. Waves calm to 2 feet. .SATURDAY...Southeast winds 10 to 20 knots increasing to 15 to 25 knots in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet. .SATURDAY NIGHT...South winds 15 to 25 knots. A chance of showers. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .SUNDAY...Southwest gales to 35 knots veering west. A chance of rain showers. Waves building to 7 to 10 feet occasionally to 13 feet, then subsiding to 3 to 6 feet occasionally to 8 feet. .MONDAY...Northwest winds 10 to 20 knots backing southeast. Waves subsiding to calm to 2 feet, then building to 1 to 3 feet. $$