Station List

National Weather Service Marine Forecast FZUS63 KMQT

FZUS63 KMQT 132111 CCA
GLFLS

Open Lake Forecast for Lake Superior...CORRECTED
National Weather Service Marquette MI
411 PM EST Tue Jan 13 2026

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 29.2 inch low is northeast of Lake Superior this afternoon. This low tracks through Quebec tonight into Wednesday morning. Meanwhile, a 30.4 inch high pressure builds over the eastern Dakotas Wednesday morning, sliding around the southwestern periphery of the Great Lakes Thursday while weakening to 30.2 inches. The ridging is followed up by a 29.4 inch low moving over Lake Superior on Friday, which weakens to 29.7 inches over southern Ontario Saturday. Meanwhile, high pressure of at least 30.2 inches will settle west of the Great Lakes over the weekend. A weak clipper low of around 29.9 inches is expected to move over the lake late Sunday into early next week.

LSZ162-140900
Lake Superior west of a line from Saxon Harbor WI to Grand Portage MN beyond 5NM
411 PM EST Tue Jan 13 2026 /311 PM CST Tue Jan 13 2026/

GALE WARNING IN EFFECT FROM 10 PM EST /9 PM CST/ THIS EVENING THROUGH WEDNESDAY AFTERNOON

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 10 PM EST /9 PM CST/ THIS EVENING THROUGH WEDNESDAY AFTERNOON

LATE THIS AFTERNOON
Northwest winds 20 to 30 knots. Waves 3 to 6 feet occasionally to 8 feet.

TONIGHT
North gales to 35 knots. Heavy freezing spray. Waves building to 6 to 10 feet occasionally to 13 feet.

WEDNESDAY
North winds 20 to 30 knots diminishing to 15 to 25 knots. Heavy freezing spray in the morning. Waves subsiding to 2 to 4 feet.

WEDNESDAY NIGHT
North winds 10 to 20 knots becoming northwest 5 to 15 knots late. Waves subsiding to calm to 2 feet.

THURSDAY
Southwest winds 15 to 25 knots increasing to 20 to 30 knots in the afternoon. A slight chance of snow showers in the morning, then snow showers in the afternoon. Waves building to 3 to 6 feet occasionally to 8 feet.

THURSDAY NIGHT
Southwest winds 20 to 30 knots becoming west 10 to 20 knots after midnight. Snow showers likely in the evening, then a chance of snow showers after midnight. Waves subsiding to calm to 2 feet.

FRIDAY
Northwest winds 15 to 25 knots increasing to 20 to 30 knots in the afternoon. Snow showers likely. Waves building to 2 to 4 feet.

FRIDAY NIGHT
North winds 20 to 30 knots. A chance of snow showers. Waves building to 3 to 5 feet occasionally to 7 feet.

SATURDAY
North winds 15 to 25 knots backing northwest. Waves subsiding to 1 to 3 feet.

SUNDAY
West winds 15 to 25 knots becoming northwest 20 to 30 knots. A chance of snow showers. Waves building to 2 to 4 feet.

Note, wave height forecasts are for ice free areas.

LSZ263-140900
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
411 PM EST Tue Jan 13 2026

GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 10 PM EST THIS EVENING THROUGH WEDNESDAY AFTERNOON

LATE THIS AFTERNOON
Northwest winds 20 to 30 knots. A chance of rain showers, possibly mixed with snow. Waves 4 to 7 feet occasionally to 9 feet.

TONIGHT
North gales to 40 knots. Heavy freezing spray. A chance of snow showers. Waves building to 11 to 15 feet occasionally to 19 feet, then subsiding to 10 to 14 feet occasionally to 18 feet.

WEDNESDAY
North gales to 35 knots diminishing to 15 to 25 knots. A slight chance of snow showers in the morning. Heavy freezing spray. Waves subsiding to 3 to 6 feet occasionally to 8 feet.

WEDNESDAY NIGHT
North winds 15 to 25 knots diminishing to 5 to 15 knots. Freezing spray in the evening. A slight chance of snow showers. Waves subsiding to calm to 2 feet.

THURSDAY
Southwest winds 15 to 25 knots increasing to 20 to 30 knots in the afternoon. A chance of snow showers. Freezing spray in the afternoon. Waves building to 4 to 7 feet occasionally to 9 feet.

THURSDAY NIGHT
Southwest winds 20 to 30 knots becoming west 10 to 20 knots after midnight. Freezing spray in the evening. A chance of snow showers. Waves subsiding to 2 to 4 feet.

FRIDAY
North winds 10 to 20 knots increasing to 20 to 30 knots in the afternoon. A chance of snow showers. Waves subsiding to 1 to 3 feet, then building to 3 to 6 feet occasionally to 8 feet.

FRIDAY NIGHT
North winds 20 to 30 knots. Freezing spray. A chance of snow showers. Waves building to 5 to 8 feet occasionally to 10 feet.

SATURDAY
North winds 20 to 30 knots becoming northwest 15 to 25 knots. Freezing spray. Waves subsiding to 3 to 5 feet occasionally to 7 feet.

SUNDAY
West winds 20 to 30 knots veering northwest. Heavy freezing spray. Waves building to 4 to 7 feet occasionally to 9 feet.

Note, wave height forecasts are for ice free areas.

LSZ264-140900
Lake Superior from Upper Entrance to Portage Canal to Manitou Island MI 5NM off shore to the US/Canadian Border
411 PM EST Tue Jan 13 2026

GALE WARNING IN EFFECT THROUGH WEDNESDAY AFTERNOON

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 10 PM EST THIS EVENING THROUGH LATE WEDNESDAY NIGHT

LATE THIS AFTERNOON
Northwest winds 20 to 30 knots with a few gale force gusts up to 35 knots late. Rain and snow showers likely. Waves 4 to 7 feet occasionally to 9 feet.

TONIGHT
North gales to 45 knots. Heavy freezing spray. A slight chance of rain showers in the evening. A chance of snow showers. Waves building to 15 to 20 feet occasionally to 25 feet, then subsiding to 12 to 17 feet occasionally to 21 feet.

WEDNESDAY
North gales to 35 knots diminishing to 15 to 25 knots. Heavy freezing spray. A chance of snow showers. Waves subsiding to 6 to 9 feet occasionally to 11 feet.

WEDNESDAY NIGHT
North winds 15 to 25 knots diminishing to 5 to 15 knots late. Freezing spray in the evening. A slight chance of snow showers. Waves subsiding to 2 to 4 feet.

THURSDAY
Southwest winds 10 to 20 knots increasing to 20 to 30 knots in the afternoon. Freezing spray in the afternoon. A chance of snow showers in the afternoon. Waves subsiding to calm to 2 feet, then building to 3 to 6 feet occasionally to 8 feet.

THURSDAY NIGHT
Southwest winds 20 to 30 knots becoming west 10 to 20 knots after midnight. Freezing spray in the evening. A chance of snow showers. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 2 to 4 feet.

FRIDAY
North winds 10 to 20 knots increasing to 20 to 30 knots in the afternoon. A chance of snow showers. Freezing spray in the afternoon. Waves building to 3 to 6 feet occasionally to 8 feet.

FRIDAY NIGHT
North winds 20 to 30 knots. Heavy freezing spray. Waves building to 5 to 8 feet occasionally to 10 feet.

SATURDAY
North winds 20 to 30 knots diminishing to 15 to 25 knots. Heavy freezing spray. Waves subsiding to 3 to 5 feet occasionally to 7 feet.

SUNDAY
West winds 20 to 30 knots becoming north gales to 35 knots. Heavy freezing spray. A chance of snow showers. Waves building to 6 to 9 feet occasionally to 11 feet.

Note, wave height forecasts are for ice free areas.

LSZ265-140900
Lake Superior West of Line from Manitou Island to Marquette MI Beyond 5NM from shore
411 PM EST Tue Jan 13 2026

GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 10 PM EST THIS EVENING THROUGH LATE WEDNESDAY NIGHT

LATE THIS AFTERNOON
Northwest winds 20 to 30 knots with a few gale force gusts up to 35 knots possible. Rain showers, possibly mixed with snow. Waves 3 to 6 feet occasionally to 8 feet.

TONIGHT
North gales to 45 knots. Heavy freezing spray. Rain showers likely in the evening. Snow showers likely. Waves building to 15 to 20 feet occasionally to 25 feet.

WEDNESDAY
North gales to 40 knots. Heavy freezing spray. A chance of snow showers. Waves subsiding to 9 to 12 feet occasionally to 15 feet.

WEDNESDAY NIGHT
North gales to 35 knots diminishing to 10 to 20 knots. Heavy freezing spray. A chance of snow showers. Waves subsiding to 3 to 5 feet occasionally to 7 feet.

THURSDAY
West winds 10 to 20 knots becoming southwest 15 to 25 knots in the afternoon. A slight chance of snow showers in the morning. Waves subsiding to calm to 2 feet, then building to 1 to 3 feet.

THURSDAY NIGHT
Southwest winds 20 to 30 knots diminishing to 15 to 25 knots after midnight. A chance of snow showers. Waves building to 2 to 4 feet, then subsiding to calm to 2 feet.

FRIDAY
Northwest winds 15 to 25 knots increasing to 20 to 30 knots in the afternoon. A chance of snow showers in the morning, then snow showers likely in the afternoon. Waves building to 3 to 5 feet occasionally to 7 feet.

FRIDAY NIGHT
North gales to 35 knots. Freezing spray. A chance of snow showers. Waves building to 5 to 8 feet occasionally to 10 feet.

SATURDAY
North gales to 35 knots backing northwest. Heavy freezing spray. A chance of snow showers. Waves subsiding to 3 to 6 feet occasionally to 8 feet.

SUNDAY
West winds 20 to 30 knots becoming northwest gales to 35 knots. Heavy freezing spray. A chance of snow showers. Waves subsiding to 3 to 5 feet occasionally to 7 feet, then building to 6 to 9 feet occasionally to 11 feet.

Note, wave height forecasts are for ice free areas.

LSZ266-140900
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
411 PM EST Tue Jan 13 2026

GALE WARNING IN EFFECT THROUGH WEDNESDAY EVENING

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 1 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT

LATE THIS AFTERNOON
Northwest winds 20 to 30 knots with a few gale force gusts up to 35 knots possible. Rain showers, possibly mixed with snow. Waves 3 to 6 feet occasionally to 8 feet building to 4 to 7 feet occasionally to 9 feet.

TONIGHT
Northwest gales to 40 knots becoming north gales to 45 knots by midnight. Heavy freezing spray. Rain showers likely in the evening. Snow showers. Waves building to 17 to 22 feet occasionally to 28 feet.

WEDNESDAY
North gales to 45 knots. Heavy freezing spray. Snow showers likely in the morning. A chance of snow showers in the afternoon. Waves subsiding to 10 to 14 feet occasionally to 18 feet.

WEDNESDAY NIGHT
North gales to 35 knots diminishing to 10 to 20 knots. Heavy freezing spray. A chance of snow showers. Waves subsiding to 3 to 6 feet occasionally to 8 feet.

THURSDAY
West winds 10 to 20 knots becoming southwest 20 to 30 knots in the afternoon. A slight chance of snow showers in the morning. Waves subsiding to 1 to 3 feet, then building to 2 to 4 feet.

THURSDAY NIGHT
Southwest winds 20 to 30 knots diminishing to 15 to 25 knots after midnight. Freezing spray in the evening. A chance of snow showers. Waves building to 4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet occasionally to 7 feet.

FRIDAY
West winds 15 to 25 knots becoming north 20 to 30 knots in the afternoon. Snow showers likely in the morning, then a chance of snow showers in the afternoon. Waves subsiding to 2 to 4 feet, then building to 3 to 6 feet occasionally to 8 feet.

FRIDAY NIGHT
North winds 20 to 30 knots increasing to gales to 35 knots after midnight. Freezing spray. A chance of snow showers. Waves building to 5 to 8 feet occasionally to 10 feet.

SATURDAY
North winds 20 to 30 knots. Freezing spray. A chance of snow showers. Waves subsiding to 4 to 7 feet occasionally to 9 feet.

SUNDAY
West winds 20 to 30 knots becoming northwest gales to 35 knots. Heavy freezing spray. A chance of snow showers. Waves building to 8 to 11 feet occasionally to 14 feet.

Note, wave height forecasts are for ice free areas.

LSZ267-140900
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off shore to the US/Canadian border
411 PM EST Tue Jan 13 2026

GALE WARNING IN EFFECT FROM 10 PM EST THIS EVENING THROUGH WEDNESDAY EVENING

HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 4 AM EST WEDNESDAY THROUGH LATE WEDNESDAY NIGHT

LATE THIS AFTERNOON
Northwest winds 20 to 30 knots. A chance of rain showers, possibly mixed with snow. Waves 3 to 6 feet occasionally to 8 feet.

TONIGHT
Northwest gales to 40 knots veering north by midnight. Rain showers likely in the evening. Snow showers likely. Heavy freezing spray after midnight. Waves building to 12 to 17 feet occasionally to 21 feet, then subsiding to 11 to 15 feet occasionally to 19 feet.

WEDNESDAY
North gales to 40 knots. Heavy freezing spray. Snow showers likely in the morning. A slight chance of snow showers in the afternoon. Waves subsiding to 8 to 11 feet occasionally to 14 feet.

WEDNESDAY NIGHT
North gales to 35 knots diminishing to 15 to 25 knots. Heavy freezing spray. A chance of snow showers. Waves subsiding to 3 to 5 feet occasionally to 7 feet.

THURSDAY
North winds 10 to 20 knots becoming southwest 15 to 25 knots in the afternoon. A slight chance of snow showers in the morning. Waves subsiding to calm to 2 feet, then building to 2 to 4 feet.

THURSDAY NIGHT
Southwest winds 20 to 30 knots. Freezing spray in the evening. A chance of snow showers. Waves building to 3 to 6 feet occasionally to 8 feet.

FRIDAY
Southwest winds 15 to 25 knots veering northwest in the afternoon. Snow showers likely. Waves subsiding to 2 to 4 feet.

FRIDAY NIGHT
North winds 15 to 25 knots veering northeast after midnight. A chance of snow showers. Waves building to 3 to 5 feet occasionally to 7 feet.

SATURDAY
North winds 15 to 25 knots. A chance of snow showers. Freezing spray. Waves subsiding to 2 to 4 feet, then building to 3 to 6 feet occasionally to 8 feet.

SUNDAY
West winds 15 to 25 knots increasing to 20 to 30 knots. Heavy freezing spray. A chance of snow showers. Snow showers likely. Waves building to 7 to 10 feet occasionally to 13 feet.

Note, wave height forecasts are for ice free areas.

LSZ261-140300
MAFOR 1322/ Superior West...GALE WARNING IN EFFECT...HEAVY FREEZING SPRAY WARNING IN EFFECT...11740 11840 19850 13852 11832 12820. Waves 3 to 6 feet building to 7 to 11 feet tonight. Waves 7 to 10 feet subsiding to 3 to 6 feet Wednesday.

Superior North Central...GALE WARNING IN EFFECT...HEAVY FREEZING SPRAY WARNING IN EFFECT...11767 11860 11867 11857 12852 12842. Waves 4 to 6 feet building to 13 to 18 feet tonight. Waves 11 to 16 feet subsiding to 7 to 10 feet Wednesday.

Superior South Central...GALE WARNING IN EFFECT...HEAVY FREEZING SPRAY WARNING IN EFFECT...11757 11767 13857 12852 11842. Waves 5 to 8 feet building to 15 to 19 feet tonight. Waves 14 to 19 feet subsiding to 10 to 15 feet Wednesday.

Superior East...GALE WARNING IN EFFECT...HEAVY FREEZING SPRAY WARNING IN EFFECT...11746 11757 14857 11852 11842. Waves 5 to 8 feet building to 13 to 17 feet tonight. Waves 10 to 15 feet subsiding to 8 to 11 feet Wednesday.

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