322
FZUS63 KMQT 281500
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
1000 AM EST Wed Jan 28 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 weak 30.0 inch trough remains over eastern Lake Superior this
morning as high pressure builds to the south and west through the
rest of the work week. Remnant troughing gradually weakens over the
lake through Thursday before strong high pressure around 31.0 inches
descending from the Canadian Prairies brings ridging of around 30.6
inches back over the lake by Friday. Ridging remains over the lake
this weekend, weakening to 30.2 inches on Sunday as a 29.9 inch
trough approaches from the northwest early next week.


LSZ162-282100-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1000 AM EST Wed Jan 28 2026 /900 AM CST Wed Jan 28 2026/

.REST OF TODAY...Northwest winds 15 to 25 knots. A slight chance
of snow showers. Waves 2 to 4 feet subsiding to 1 to 3 feet, then
building to 2 to 4 feet.
.TONIGHT...Northwest winds 15 to 25 knots becoming north 10 to
20 knots by midnight. A chance of snow showers. Waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 1 to
3 feet.
.THURSDAY...North winds 10 to 20 knots. A slight chance of snow
showers. Waves subsiding to calm to 2 feet, then building to 1 to
3 feet.
.THURSDAY NIGHT...Northeast winds 10 to 20 knots backing north
after midnight. A slight chance of snow showers. Waves 1 to
3 feet.
.FRIDAY...North winds 10 to 20 knots. Waves subsiding to calm to
2 feet.
.FRIDAY NIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. Waves calm to 2 feet.
.SATURDAY...Southwest winds 5 to 15 knots increasing to 10 to
20 knots. Waves calm to 2 feet.
.SUNDAY...Southwest winds 10 to 20 knots veering northwest. A
chance of snow showers. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ263-282100-
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-
1000 AM EST Wed Jan 28 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...North winds 10 to 20 knots backing northwest by
mid afternoon. A chance of snow showers. Waves 3 to 5 feet
occasionally to 7 feet subsiding to 2 to 4 feet.
.TONIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots late. A chance of snow showers. Waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.
.THURSDAY...North winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. A chance of snow showers. Waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet.
.THURSDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of snow showers. Waves building
to 3 to 5 feet occasionally to 7 feet.
.FRIDAY...North winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. A chance of snow showers. Waves
subsiding to 2 to 4 feet.
.FRIDAY NIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. Waves subsiding to 1 to 3 feet.
.SATURDAY...West winds 5 to 15 knots backing southwest. Waves
subsiding to calm to 2 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming northwest 10 to
20 knots. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ264-282100-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1000 AM EST Wed Jan 28 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...North winds 10 to 20 knots. Heavy freezing
spray. A chance of snow showers. Waves 3 to 6 feet occasionally
to 8 feet.
.TONIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. Heavy freezing spray in the evening. A
chance of snow showers. Waves subsiding to 3 to 5 feet
occasionally to 7 feet.
.THURSDAY...North winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. A chance of snow showers. Waves
subsiding to 2 to 4 feet.
.THURSDAY NIGHT...North winds 15 to 25 knots. Heavy freezing
spray. A chance of snow showers. Waves building to 3 to 6 feet
occasionally to 8 feet.
.FRIDAY...North winds 15 to 25 knots. Heavy freezing spray. A
chance of snow showers. Waves 3 to 6 feet occasionally to 8 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Freezing spray in the evening. Waves
subsiding to 1 to 3 feet.
.SATURDAY...West winds 5 to 15 knots backing southwest. Waves
subsiding to calm to 2 feet, then building to 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming northwest 10 to
20 knots. Waves building to 2 to 4 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ265-282100-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1000 AM EST Wed Jan 28 2026

.REST OF TODAY...Northwest winds 15 to 25 knots. A chance of snow
showers. Waves 2 to 4 feet building to 3 to 5 feet occasionally
to 7 feet.
.TONIGHT...Northwest winds 15 to 25 knots. A chance of snow
showers. Waves building to 3 to 6 feet occasionally to 8 feet.
.THURSDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots by late morning, then veering north by mid afternoon. A
chance of snow showers in the morning, then snow showers likely
in the afternoon. Waves subsiding to 2 to 4 feet.
.THURSDAY NIGHT...North winds 15 to 25 knots. A chance of snow
showers. Waves building to 3 to 5 feet occasionally to 7 feet.
.FRIDAY...North winds 20 to 30 knots. A chance of snow showers.
Waves building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of snow showers. Waves
subsiding to 3 to 5 feet occasionally to 7 feet.
.SATURDAY...Northwest winds 10 to 20 knots becoming southwest
5 to 15 knots. Waves subsiding to calm to 2 feet.
.SUNDAY...Southwest winds 10 to 20 knots veering west. Waves calm
to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-282100-
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-
1000 AM EST Wed Jan 28 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THURSDAY
MORNING...

.REST OF TODAY...North winds 20 to 30 knots becoming northwest
15 to 25 knots by late morning, then increasing to 20 to 30 knots
by mid afternoon. Heavy freezing spray. Snow showers. Waves 4 to
8 feet occasionally to 10 feet, then building to 5 to 8 feet
occasionally to 10 feet.
.TONIGHT...North winds 20 to 30 knots diminishing to 15 to
25 knots by midnight. Heavy freezing spray. Snow showers. Waves
subsiding to 4 to 8 feet occasionally to 10 feet.
.THURSDAY...North winds 15 to 25 knots becoming northeast 10 to
20 knots by late morning, then backing north by mid afternoon.
Snow showers in the morning, then a chance of snow showers in the
afternoon. Waves subsiding to 2 to 4 feet.
.THURSDAY NIGHT...North winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Heavy freezing spray. A chance of snow
showers. Waves building to 3 to 5 feet occasionally to 7 feet.
.FRIDAY...North winds 20 to 30 knots. Heavy freezing spray. A
chance of snow showers. Waves building to 5 to 8 feet
occasionally to 10 feet.
.FRIDAY NIGHT...North winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. Heavy freezing spray. A chance of snow
showers. Waves subsiding to 3 to 6 feet occasionally to 8 feet.
.SATURDAY...North winds 10 to 20 knots backing southwest. Waves
subsiding to calm to 2 feet.
.SUNDAY...Southwest winds 10 to 20 knots veering west. A chance
of snow showers. Waves building to 2 to 4 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ267-282100-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1000 AM EST Wed Jan 28 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...Northeast winds 10 to 20 knots backing north by
late morning, then increasing to 15 to 25 knots by mid afternoon.
Heavy freezing spray. Snow showers. Waves 5 to 8 feet
occasionally to 10 feet subsiding to 3 to 6 feet occasionally to
8 feet.
.TONIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots by midnight, then veering northeast late. Heavy freezing
spray in the evening. A chance of snow showers. Waves subsiding
to 2 to 4 feet.
.THURSDAY...Northeast winds 10 to 20 knots veering east by late
morning, then backing north by mid afternoon. A chance of snow
showers. Waves subsiding to 1 to 3 feet.
.THURSDAY NIGHT...Northeast winds 10 to 20 knots backing north
after midnight. A chance of snow showers. Waves building to 2 to
4 feet.
.FRIDAY...North winds 15 to 25 knots. A chance of snow showers.
Waves building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots. Heavy freezing spray
in the evening. Waves subsiding to 2 to 4 feet.
.SATURDAY...North winds 10 to 20 knots becoming southwest 5 to
15 knots. Waves subsiding to calm to 2 feet.
.SUNDAY...Southwest winds 10 to 20 knots veering west. A chance
of snow showers. Waves building to 2 to 4 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-282100-
MAFOR 2816/
Superior West...HEAVY FREEZING SPRAY WARNING IN EFFECT...13720
13820 12810. A chance of snow showers overnight and Thursday
morning. Waves 2 to 4 feet this afternoon. Waves 3 to 5 feet
subsiding to 2 to 4 feet tonight. Waves 1 to 3 feet Thursday
morning.

Superior North Central...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11837 14832 11820 12827. Waves 3 to 6 feet this afternoon and
tonight. Waves 3 to 5 feet subsiding to 2 to 4 feet Thursday
morning.

Superior South Central...HEAVY FREEZING SPRAY WARNING IN EFFECT...
15730 11720 11727. Waves omitted due to the lake being mostly ice
covered.

Superior East...HEAVY FREEZING SPRAY WARNING IN EFFECT...11827
12837 11832 11822 12120 11127. Waves 4 to 7 feet subsiding to 3
to 6 feet this afternoon. Waves 3 to 6 feet tonight and Thursday
morning.

$$

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