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. LSZ162-301000- Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM- 946 PM EDT Sun Mar 29 2020 /846 PM CDT Sun Mar 29 2020/ .REST OF TONIGHT...North winds 15 to 25 knots. Scattered rain and snow showers by late evening. Waves 4 to 7 feet occasionally to 9 feet subsiding to 2 to 4 feet. .MONDAY...North winds 10 to 20 knots becoming northeast 5 to 15 knots in the afternoon, then veering southwest late. Waves subsiding to calm to 2 feet. .MONDAY NIGHT...Northeast winds less than 10 knots increasing to 10 to 20 knots. Waves calm to 2 feet. .TUESDAY...East winds 10 to 20 knots. Waves building to 1 to 3 feet. .TUESDAY NIGHT...East winds 10 to 20 knots. Waves subsiding to calm to 2 feet. .WEDNESDAY...East winds 10 to 20 knots. A chance of rain showers. Waves calm to 2 feet. .WEDNESDAY NIGHT...East winds 10 to 20 knots diminishing to 5 to 15 knots after midnight. A chance of rain showers, possibly mixed with snow. Waves calm to 2 feet. .THURSDAY...East winds 10 to 20 knots. A chance of rain showers. A chance of snow showers. Waves building to 1 to 3 feet. .FRIDAY...East winds 10 to 20 knots veering west. A chance of rain showers. A chance of snow showers. Waves subsiding to calm to 2 feet. $$ LSZ263-301000- Lake Superior from Saxon Harbor WI to Upper Entrance to Portage Canal MI 5NM off shore to the US/Canadian border including Isle Royale National Park- 946 PM EDT Sun Mar 29 2020 .REST OF TONIGHT...North winds to 30 knots with a few gale force gusts to 35 knots possible diminishing to 20 to 30 knots late. Patchy fog by late evening. Scattered rain and snow showers by late evening. Waves 6 to 10 feet occasionally to 13 feet. .MONDAY...North winds 15 to 25 knots diminishing to 5 to 15 knots. Waves subsiding to 1 to 3 feet. .MONDAY NIGHT...North winds 5 to 15 knots veering northeast after midnight. Waves subsiding to calm to 2 feet, then building to 1 to 3 feet. .TUESDAY...Northeast winds 10 to 20 knots. Waves 1 to 3 feet. .TUESDAY NIGHT...East winds 5 to 15 knots. Waves subsiding to calm to 2 feet. .WEDNESDAY...East winds 5 to 15 knots increasing to 10 to 20 knots by mid afternoon. Waves calm to 2 feet. .WEDNESDAY NIGHT...East winds 10 to 20 knots diminishing to 5 to 15 knots after midnight. A chance of rain showers, possibly mixed with snow. Waves calm to 2 feet. .THURSDAY...East winds 10 to 20 knots. A chance of snow showers. A chance of rain showers. Waves building to 1 to 3 feet. .FRIDAY...East winds 10 to 20 knots becoming west 15 to 25 knots. A chance of rain showers. Waves building to 2 to 4 feet. $$ LSZ264-301000- Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border- 946 PM EDT Sun Mar 29 2020 ...GALE WARNING IN EFFECT UNTIL 6 AM EDT MONDAY... .REST OF TONIGHT...North gales to 35 knots. Patchy fog by late evening. Numerous rain showers by late evening. Scattered snow showers. Waves 7 to 11 feet occasionally to 13 feet. .MONDAY...North winds 20 to 30 knots diminishing to 10 to 20 knots. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .MONDAY NIGHT...North winds 10 to 20 knots veering northeast after midnight, then diminishing to 5 to 15 knots late. Waves subsiding to 2 to 4 feet. .TUESDAY...Northeast winds 5 to 15 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...East winds 5 to 15 knots. Waves calm to 2 feet. .THURSDAY...East winds 5 to 15 knots. A chance of rain showers, possibly mixed with snow. Waves building to 1 to 3 feet. .FRIDAY...East winds 10 to 20 knots veering southeast. A chance of rain showers, possibly mixed with snow. Waves building to 2 to 4 feet. $$ LSZ265-301000- Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore- 946 PM EDT Sun Mar 29 2020 ...GALE WARNING IN EFFECT THROUGH MONDAY MORNING... .REST OF TONIGHT...North gales to 40 knots. Patchy fog. Snow showers, possibly mixed with rain by late evening. Scattered snow showers, possibly mixed with rain after midnight. Waves 7 to 10 feet occasionally to 13 feet building to 10 to 14 feet occasionally to 18 feet. .MONDAY...North winds 20 to 30 knots diminishing to 15 to 25 knots late. A slight chance of freezing rain and snow showers through early afternoon. Waves subsiding to 5 to 8 feet occasionally to 10 feet. .MONDAY NIGHT...North winds 10 to 20 knots veering northeast after midnight. Waves subsiding to 2 to 4 feet. .TUESDAY...Northeast winds 10 to 20 knots diminishing to 5 to 15 knots by mid afternoon. Waves subsiding to calm to 2 feet. .TUESDAY NIGHT...Northeast winds 5 to 15 knots. Waves calm to 2 feet. .WEDNESDAY...East winds 5 to 15 knots. Waves calm to 2 feet. .WEDNESDAY NIGHT...East winds 5 to 15 knots. A chance of rain and snow showers. Waves calm to 2 feet. .THURSDAY...East winds 5 to 15 knots increasing to 10 to 20 knots. A chance of rain showers, possibly mixed with snow. Waves calm to 2 feet. .FRIDAY...Southeast winds 15 to 25 knots. A chance of rain showers, possibly mixed with snow. Waves building to 1 to 3 feet, then subsiding to calm to 2 feet. $$ 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. $$ LSZ267-301000- Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border- 946 PM EDT Sun Mar 29 2020 ...GALE WARNING IN EFFECT FROM 5 AM EDT MONDAY THROUGH MONDAY MORNING... .REST OF TONIGHT...North winds 20 to 30 knots increasing to gales to 35 knots late. Patchy fog. Numerous rain and snow showers by late evening. Scattered snow showers, possibly mixed with rain after midnight. Waves 3 to 6 feet occasionally to 8 feet building to 7 to 10 feet occasionally to 13 feet. .MONDAY...North gales to 35 knots diminishing to 20 to 30 knots in the afternoon. A slight chance of snow showers through early afternoon. Waves subsiding to 4 to 7 feet occasionally to 9 feet. .MONDAY NIGHT...North winds 15 to 25 knots becoming northeast 10 to 20 knots after midnight. Waves subsiding to 3 to 5 feet occasionally to 7 feet. .TUESDAY...Northeast winds 10 to 20 knots. Waves subsiding to calm to 2 feet. .TUESDAY NIGHT...Northeast winds 10 to 20 knots veering east after midnight. Waves calm to 2 feet. .WEDNESDAY...Northeast winds 5 to 15 knots backing north by mid afternoon. Waves calm to 2 feet. .WEDNESDAY NIGHT...North winds 10 to 20 knots veering northeast after midnight. Waves calm to 2 feet. .THURSDAY...Northeast winds 10 to 20 knots veering east. A chance of rain showers, possibly mixed with snow. Waves calm to 2 feet. .FRIDAY...Southeast winds 10 to 20 knots increasing to 15 to 25 knots. A chance of snow showers. A chance of rain showers. Waves building to 2 to 4 feet. $$ LSZ261-301000- MAFOR 3003/ Superior West 11830 19837 11840 11830 11820 11110 11300 11500 11700. Waves 3 to 7 feet overnight. Waves 3 to 6 feet subsiding to 1 to 3 feet Monday. Waves 2 feet or less Monday evening. Superior North Central...GALE WARNING IN EFFECT...11857 12850 12840 11830 12820. Waves 7 to 11 feet overnight subsiding to 5 to 8 feet Monday. Waves 2 to 5 feet Monday evening. Superior South Central...GALE WARNING IN EFFECT...11857 12850 19857 11850 12840 12830. Waves 7 to 10 feet building to 9 to 13 feet overnight. Waves 10 to 13 feet subsiding to 7 to 11 feet Monday. Waves 6 to 9 feet subsiding to 4 to 7 feet Monday evening. Superior East...GALE WARNING IN EFFECT...11847 11850 19856 11850 19857 11850 12840 12830. Waves 5 to 8 feet building to 7 to 10 feet overnight. Waves 7 to 10 feet subsiding to 5 to 8 feet Monday. Waves 4 to 7 feet Monday evening. $$ JH Experimental modernized open lake forecast is available online at weather.gov/mqt/glftable Graphical marine forecasts are available online at: weather.gov/greatlakes