Expires:202003301000;;280900 FZUS63 KMQT 300146 GLFLS Open Lake Forecast for Lake Superior National Weather Service Marquette MI 946 PM EDT Sun Mar 29 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 29.6 inch low pressure is just east of Lake Huron tonight will move to near Lake Ontario by Monday afternoon and weaken to 29.8 inches. Weak troughing of 30.2 will then remain over Lake Superior through Wednesday. A 29.7 inch low will approach Lake Superior Friday morning. LSZ266-301000- 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- 946 PM EDT Sun Mar 29 2020 ...GALE WARNING IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...North gales to 40 knots. Patchy fog. Snow showers, possibly mixed with rain by late evening. Scattered snow showers, possibly mixed with rain after midnight. Waves 7 to 10 feet occasionally to 13 feet building to 10 to 14 feet occasionally to 18 feet. .MONDAY...North gales to 35 knots diminishing to 15 to 25 knots. A slight chance of rain showers, freezing rain and snow showers through early afternoon. Waves subsiding to 6 to 9 feet occasionally to 11 feet. .MONDAY NIGHT...North winds 15 to 25 knots veering northeast after midnight. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .TUESDAY...Northeast winds 10 to 20 knots. Waves subsiding to calm to 2 feet. .TUESDAY NIGHT...Northeast winds 5 to 15 knots veering east after midnight. Waves calm to 2 feet. .WEDNESDAY...East winds 5 to 15 knots. Waves calm to 2 feet. .WEDNESDAY NIGHT...Northeast winds 5 to 15 knots. Waves calm to 2 feet. .THURSDAY...East winds 5 to 15 knots increasing to 10 to 20 knots. A chance of rain showers, possibly mixed with snow. Waves building to 1 to 3 feet. .FRIDAY...Southeast winds 15 to 25 knots. A chance of rain showers, possibly mixed with snow. Waves building to 2 to 4 feet. $$