820
FZUS63 KMQT 061456
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
956 AM EST Fri Feb 6 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...

Troughing resides over eastern Lake Superior at 29.6 inches this
morning associated with a parent low of 29.3 inches over James Bay.
The 29.6 inch trough over the lake then leaves to the east today,
allowing a 30.5 inch high to move over the lake from the northwest
by Saturday. The high shifts east through Sunday in advance of a
Clipper low arriving over far western Lake Superior at 29.8 inches
by Monday morning, weakening to 30.0 inches on Tuesday.


LSZ162-062100-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
956 AM EST Fri Feb 6 2026 /856 AM CST Fri Feb 6 2026/

.REST OF TODAY...North winds 20 to 30 knots diminishing to 10 to
20 knots. Waves calm to 2 feet.
.TONIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. Waves calm to 2 feet.
.SATURDAY...North winds less than 10 knots becoming southeast
5 to 15 knots. A slight chance of snow showers in the afternoon.
Waves calm to 2 feet.
.SATURDAY NIGHT...Southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. A chance of snow showers. Waves
calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
.SUNDAY NIGHT...Southeast winds 5 to 15 knots veering south after
midnight. Waves calm to 2 feet.
.MONDAY...South winds 5 to 15 knots backing east. Waves calm to
2 feet.
.TUESDAY...Northwest winds 10 to 20 knots. A chance of snow
showers. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ263-062100-
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-
956 AM EST Fri Feb 6 2026

...GALE WARNING IN EFFECT UNTIL 1 PM EST THIS AFTERNOON...
...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 7 PM EST THIS
EVENING...

.REST OF TODAY...North winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. Waves 3 to 6 feet occasionally to
8 feet subsiding to 2 to 4 feet.
.TONIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves subsiding to calm to 2 feet.
.SATURDAY...North winds 5 to 15 knots veering southeast. A slight
chance of snow showers in the afternoon. Waves calm to 2 feet.
.SATURDAY NIGHT...Southeast winds 5 to 15 knots veering south
after midnight. A chance of snow showers. Waves calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
.SUNDAY NIGHT...South winds 5 to 15 knots. Waves calm to 2 feet.
.MONDAY...South winds 5 to 15 knots backing southeast. Waves calm
to 2 feet.
.TUESDAY...Northwest winds 5 to 15 knots becoming north 10 to
20 knots. A chance of snow showers. Waves building to 1 to
3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ264-062100-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
956 AM EST Fri Feb 6 2026

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH SATURDAY
AFTERNOON...

.REST OF TODAY...North gales to 40 knots. Heavy freezing spray. A
chance of snow showers. Waves 10 to 14 feet occasionally to
18 feet subsiding to 8 to 11 feet occasionally to 14 feet.
.TONIGHT...North gales to 35 knots diminishing to 15 to 25 knots.
Heavy freezing spray. Waves subsiding to 3 to 6 feet occasionally
to 8 feet.
.SATURDAY...North winds 10 to 20 knots diminishing to 5 to
15 knots by late morning, then becoming south less than 10 knots
by mid afternoon. Waves subsiding to calm to 2 feet.
.SATURDAY NIGHT...South winds 5 to 15 knots. A chance of snow
showers. Waves calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
.SUNDAY NIGHT...South winds 5 to 15 knots. A chance of snow
showers. Waves building to 1 to 3 feet.
.MONDAY...South winds 5 to 15 knots backing southeast. Waves
building to 2 to 4 feet.
.TUESDAY...Southeast winds 10 to 20 knots backing north. A chance
of snow showers. Waves building to 3 to 5 feet occasionally to
7 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ265-062100-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
956 AM EST Fri Feb 6 2026

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH SATURDAY
AFTERNOON...

.REST OF TODAY...North gales to 40 knots. A chance of snow
showers. Waves calm to 2 feet.
.TONIGHT...North winds 20 to 30 knots becoming northwest 15 to
25 knots late. A slight chance of snow showers. Waves calm to
2 feet.
.SATURDAY...Northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. A slight chance of snow showers in the
morning. Waves calm to 2 feet.
.SATURDAY NIGHT...South winds 5 to 15 knots increasing to 10 to
20 knots after midnight. A chance of snow showers. Waves calm to
2 feet.
.SUNDAY...South winds 10 to 20 knots. Waves calm to 2 feet.
.SUNDAY NIGHT...South winds 10 to 20 knots. Waves calm to 2 feet.
.MONDAY...South winds 10 to 20 knots backing southeast. Waves
calm to 2 feet.
.TUESDAY...Southeast winds 10 to 20 knots becoming northwest
15 to 25 knots. A chance of snow showers. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-062100-
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-
956 AM EST Fri Feb 6 2026

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH SATURDAY
AFTERNOON...

.REST OF TODAY...North gales to 45 knots. Heavy freezing spray. A
chance of snow showers. Waves 10 to 14 feet occasionally to
18 feet building to 12 to 17 feet occasionally to 21 feet.
.TONIGHT...North gales to 40 knots. Heavy freezing spray. A
chance of snow showers. Waves subsiding to 7 to 10 feet
occasionally to 13 feet.
.SATURDAY...North winds 15 to 25 knots diminishing to 10 to
20 knots by late morning, then becoming northwest 5 to 15 knots
by mid afternoon. Heavy freezing spray in the morning. A chance
of snow showers. Waves subsiding to 1 to 3 feet.
.SATURDAY NIGHT...South winds 5 to 15 knots increasing to 10 to
20 knots after midnight. A chance of snow showers. Waves
subsiding to calm to 2 feet, then building to 1 to 3 feet.
.SUNDAY...South winds 15 to 25 knots. A slight chance of snow
showers. Waves building to 2 to 4 feet.
.SUNDAY NIGHT...South winds 15 to 25 knots. A chance of snow
showers. Waves building to 3 to 5 feet occasionally to 7 feet.
.MONDAY...South winds 15 to 25 knots backing southeast. Waves
subsiding to 2 to 4 feet.
.TUESDAY...Southeast winds 15 to 25 knots backing north. A chance
of snow showers. Waves building to 3 to 5 feet occasionally to
7 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ267-062100-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
956 AM EST Fri Feb 6 2026

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH SATURDAY
AFTERNOON...

.REST OF TODAY...North gales to 45 knots. Heavy freezing spray. A
chance of snow showers. Waves 8 to 11 feet occasionally to
14 feet building to 11 to 15 feet occasionally to 19 feet, then
subsiding to 10 to 14 feet occasionally to 18 feet.
.TONIGHT...North gales to 35 knots diminishing to 20 to 30 knots
late. Heavy freezing spray. A chance of snow showers. Waves
subsiding to 7 to 10 feet occasionally to 13 feet.
.SATURDAY...North winds 20 to 30 knots diminishing to 10 to
20 knots. Heavy freezing spray in the morning. A slight chance of
snow showers. Waves subsiding to 1 to 3 feet.
.SATURDAY NIGHT...Southeast winds 5 to 15 knots becoming south
10 to 20 knots after midnight. A chance of snow showers. Waves
subsiding to calm to 2 feet.
.SUNDAY...South winds 10 to 20 knots becoming southeast 15 to
25 knots in the afternoon. A slight chance of snow showers. Waves
building to 1 to 3 feet.
.SUNDAY NIGHT...Southeast winds 15 to 25 knots veering south
after midnight. A chance of snow showers. Waves building to 2 to
4 feet.
.MONDAY...Southeast winds 15 to 25 knots. A chance of snow
showers. Waves subsiding to 1 to 3 feet.
.TUESDAY...Southeast winds 15 to 25 knots. A chance of snow
showers. Waves building to 2 to 4 feet, then subsiding to 1 to
3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-062100-
MAFOR 0616/
Superior West...GALE WARNING IN EFFECT...HEAVY FREEZING SPRAY
WARNING IN EFFECT...11840 13830 11820 11810 11800 11100. Waves
omitted due to the lake being mostly ice covered.

Superior North Central...GALE WARNING IN EFFECT...HEAVY FREEZING
SPRAY WARNING IN EFFECT...14852 12842 11832 11820. A chance of
snow showers this afternoon. Waves 8 to 12 feet this afternoon.
Waves 6 to 10 feet subsiding to 4 to 7 feet tonight. Waves 3 to 6
feet subsiding to 2 to 4 feet Saturday morning.

Superior South Central...GALE WARNING IN EFFECT...HEAVY FREEZING
SPRAY WARNING IN EFFECT...14852 11852 12742 11732. A chance of
snow showers. Waves 10 to 15 feet this afternoon. Waves 10 to 14
feet subsiding to 7 to 10 feet tonight. Waves 6 to 9 feet
subsiding to 4 to 7 feet Saturday morning. Wave heights are for
ice free areas.

Superior East...GALE WARNING IN EFFECT...HEAVY FREEZING SPRAY
WARNING IN EFFECT...11852 12857 12852 12842 11832. Waves 10 to 14
feet this afternoon. Waves 10 to 14 feet subsiding to 8 to 11
feet tonight. Waves 6 to 9 feet subsiding to 4 to 7 feet Saturday
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