Expires:202001231700;;381616 FZUS63 KMQT 230858 GLFLS Open Lake Forecast for Lake Superior National Weather Service Marquette MI 358 AM EST Thu Jan 23 2020 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 30.1 inch trough over Lake Superior this morning will generally fill in as the day goes on as 30.4 inch high pressure over northern Ontario nudges slightly southward. A 29.8 inch low will develop in the Lower Mississippi Valley on Friday and lift northeastward across Lake Huron by late Saturday afternoon with weak troughing lingering behind it across Lake Superior into early next week. LSZ266-231700- 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 Thu Jan 23 2020 .EARLY THIS MORNING...Southwest winds 5 to 15 knots. Patchy fog. Snow and drizzle. Waves 1 to 3 feet. .TODAY...South winds 10 to 20 knots becoming southeast 15 to 25 knots by late morning, then backing east by mid afternoon. Patchy fog. Snow. Waves building to 4 to 7 feet occasionally to 9 feet. .TONIGHT...East winds 15 to 25 knots. Patchy fog. Snow likely. Waves subsiding to 3 to 6 feet occasionally to 8 feet. .FRIDAY...East winds 15 to 25 knots. A chance of snow. Waves subsiding to 2 to 4 feet. .FRIDAY NIGHT...East winds 10 to 20 knots backing northeast after midnight. A chance of snow. A chance of drizzle after midnight. Waves subsiding to 1 to 3 feet. .SATURDAY...Northeast winds 10 to 20 knots. A chance of snow. Waves subsiding to calm to 2 feet. .SATURDAY NIGHT...North winds 5 to 15 knots. A chance of rain in the evening. A chance of snow and drizzle. Waves calm to 2 feet. .SUNDAY...North winds 5 to 15 knots. Waves building to 1 to 3 feet, then subsiding to calm to 2 feet. .MONDAY...North winds 5 to 15 knots. Waves calm to 2 feet. $$