926
FZUS63 KMQT 291501
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
1000 AM EST Thu Jan 29 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...

Remnant 30.2 inch troughing over eastern Lake Superior this morning
continues to weaken today as 30.5 inch high pressure over Manitoba
and the Dakotas strengthens to 30.9 inches by Friday morning. This
will send 30.6 inch ridging over the lake by Friday evening. High
pressure shifts southeast into the Lower Mississippi Valley through
the weekend while weakening to 30.5 inches as a 29.9 inch low moves
into northern Minnesota. The low moves over Lake Superior Sunday
night through Monday morning at near 30.0 inches before being
replaced by a 30.5 inch high Tuesday morning.


LSZ162-292100-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1000 AM EST Thu Jan 29 2026 /900 AM CST Thu Jan 29 2026/

.REST OF TODAY...North winds 10 to 20 knots. Scattered snow
showers. Waves calm to 2 feet building to 1 to 3 feet.
.TONIGHT...North winds 10 to 20 knots becoming northeast 15 to
25 knots by midnight, then backing north late. Scattered snow
showers. Waves building to 3 to 5 feet occasionally to 7 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...West winds 5 to 15 knots backing southwest in the
afternoon. Waves calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 10 to 20 knots. Waves building
to 1 to 3 feet.
.SUNDAY...Southwest winds 10 to 20 knots veering northwest. Snow
showers likely. Waves subsiding to calm to 2 feet.
.MONDAY...North winds 5 to 15 knots. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ263-292100-
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 Thu Jan 29 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 PM EST THIS
EVENING THROUGH FRIDAY MORNING...

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

Note, wave height forecasts are for ice free areas.

$$

LSZ264-292100-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1000 AM EST Thu Jan 29 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM 7 PM EST THIS
EVENING THROUGH FRIDAY EVENING...

.REST OF TODAY...North winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. Numerous snow showers. Waves 2 to
4 feet building to 3 to 5 feet occasionally to 7 feet.
.TONIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. Heavy freezing spray. Numerous snow showers
in the evening. Scattered snow showers after midnight. Waves
building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY...North winds 15 to 25 knots diminishing to 10 to
20 knots by late morning, then increasing to 15 to 25 knots by
mid afternoon. Heavy freezing spray. A chance of snow showers.
Waves building to 4 to 7 feet occasionally to 9 feet, then
subsiding 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. Heavy freezing spray in the evening. A
slight chance of snow showers. Waves subsiding to 2 to 4 feet.
.SATURDAY...Northwest winds 5 to 15 knots backing west in the
afternoon. Waves subsiding to calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. Waves building to 1 to 3 feet.
.SUNDAY...Southwest winds 10 to 20 knots veering west. A chance
of snow showers. Waves building to 2 to 4 feet, then subsiding to
1 to 3 feet.
.MONDAY...North winds 10 to 20 knots. Waves subsiding to calm to
2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ265-292100-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1000 AM EST Thu Jan 29 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT FROM LATE TONIGHT
THROUGH FRIDAY EVENING...

.REST OF TODAY...Northwest winds 15 to 25 knots veering north by
mid afternoon. Scattered snow showers. Waves 2 to 4 feet building
to 3 to 5 feet occasionally to 7 feet.
.TONIGHT...North winds 15 to 25 knots. Scattered snow showers in
the evening, then numerous snow showers after midnight. Waves
building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY...North winds 15 to 25 knots becoming northwest 20 to
30 knots by late morning, then veering north by mid afternoon. A
chance of snow showers. Waves building to 4 to 7 feet
occasionally to 9 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of snow showers. Waves building
to 5 to 8 feet occasionally to 10 feet, then subsiding to 3 to
5 feet occasionally to 7 feet.
.SATURDAY...Northwest winds 10 to 20 knots backing west in the
afternoon. Waves subsiding to calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming south
10 to 20 knots after midnight. Waves calm to 2 feet.
.SUNDAY...South winds 10 to 20 knots veering west. A chance of
snow showers. Waves calm to 2 feet.
.MONDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots. Waves building to 2 to 4 feet, then subsiding to 1 to
3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-292100-
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 Thu Jan 29 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH FRIDAY
EVENING...

.REST OF TODAY...North winds 10 to 20 knots. Numerous snow
showers. Waves 3 to 6 feet occasionally to 8 feet.
.TONIGHT...North winds 10 to 20 knots. Heavy freezing spray.
Numerous snow showers. Waves 3 to 6 feet occasionally to 8 feet.
.FRIDAY...North winds 15 to 25 knots increasing to 20 to
30 knots. Heavy freezing spray. Snow showers likely. Waves
building to 7 to 10 feet occasionally to 13 feet.
.FRIDAY NIGHT...North winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. Heavy freezing spray. A slight chance of
snow showers. Waves subsiding to 3 to 6 feet occasionally to
8 feet.
.SATURDAY...North winds 10 to 20 knots backing northwest in the
afternoon. A slight chance of snow showers in the morning. Waves
subsiding to calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 10 to 20 knots. Waves building
to 1 to 3 feet.
.SUNDAY...South winds 10 to 20 knots becoming southwest 15 to
25 knots. A chance of snow showers. Waves building to 2 to
4 feet.
.MONDAY...Northwest winds 15 to 25 knots becoming north 10 to
20 knots. Waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ267-292100-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1000 AM EST Thu Jan 29 2026

.REST OF TODAY...Southeast winds 10 to 20 knots diminishing to
5 to 15 knots by late morning, then backing east by mid
afternoon. Scattered snow showers late in the morning, then
numerous snow showers in the afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet, then building to 2 to 4 feet.
.TONIGHT...North winds 10 to 20 knots. Numerous snow showers in
the evening, then scattered snow showers after midnight. Waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet.
.FRIDAY...North winds 10 to 20 knots increasing to 15 to
25 knots. A chance of snow showers in the morning, then snow
showers likely in the afternoon. Waves building to 4 to 8 feet
occasionally to 10 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots. Heavy freezing spray
in the evening. A slight chance of snow showers in the evening.
Waves subsiding to 2 to 4 feet.
.SATURDAY...North winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. Waves subsiding to calm to 2 feet.
.SATURDAY NIGHT...Northwest winds 5 to 15 knots backing southwest
after midnight. Waves calm to 2 feet.
.SUNDAY...South winds 10 to 20 knots veering southwest. A chance
of snow showers. Waves building to 2 to 4 feet.
.MONDAY...Northwest winds 10 to 20 knots veering north. A chance
of snow showers. Waves subsiding to 1 to 3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-292100-
MAFOR 2916/
Superior West...HEAVY FREEZING SPRAY WARNING IN EFFECT...11810
19817 12820 19827 11830 19837 11132 19137 11830 19837 12820.
Waves 1 to 3 feet this afternoon. Waves 3 to 6 feet tonight.
Waves 3 to 5 feet subsiding to 2 to 4 feet Friday morning.

Superior North Central...HEAVY FREEZING SPRAY WARNING IN EFFECT...
13827 11837 11827 11822 19827 12832. Waves 3 to 6 feet.

Superior South Central...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11720 19727 11727 12820 19827 11827 11820 19827 11820 11830.
Waves 3 to 6 feet this afternoon and tonight. Waves 3 to 6 feet
building to 4 to 7 feet Friday morning. Wave heights are for ice
free areas.

Superior East...HEAVY FREEZING SPRAY WARNING IN EFFECT...11227
11127 13827 11820 19827 12830. Waves 2 to 4 feet this afternoon.
Waves 3 to 5 feet tonight. Waves 3 to 5 feet building to 4 to 7
feet Friday 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