922
FZUS63 KMQT 010901
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
400 AM EST Thu Jan 1 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 weakening 28.3 inch low continues retrograding over Hudson Bay
this morning with a 30.1 inch ridge over the Upper Midwest. This
pattern remains fairly stable Thursday through Saturday as another
strong Hudson Bay low sets up while ridging averaging 30.1 inches
remains over the upper Mississippi Valley. A stronger ridge of 30.2
inches will build into the Great Lakes on Sunday and move east
Monday as a 29.8 trough builds into the area.


LSZ162-012100-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
400 AM EST Thu Jan 1 2026 /300 AM CST Thu Jan 1 2026/

.EARLY THIS MORNING...Northwest winds 15 to 25 knots. Waves 3 to
6 feet occasionally to 8 feet.
.TODAY...Northwest winds 15 to 25 knots backing west. A slight
chance of snow showers. Waves subsiding to 3 to 6 feet
occasionally to 8 feet.
.TONIGHT...West winds 15 to 25 knots. Waves subsiding to 3 to
5 feet occasionally to 7 feet.
.FRIDAY...West winds 15 to 25 knots. Waves subsiding to 2 to
4 feet.
.FRIDAY NIGHT...Northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
.SATURDAY...Northwest winds 5 to 15 knots becoming west 10 to
20 knots in the afternoon. A chance of snow showers in the
morning. Waves calm to 2 feet.
.SATURDAY NIGHT...Northwest winds 10 to 20 knots diminishing to
5 to 15 knots after midnight. Waves calm to 2 feet.
.SUNDAY...Northwest winds 5 to 15 knots backing southeast. A
chance of snow showers, then snow showers likely. Waves calm to
2 feet.
.MONDAY...West winds 5 to 15 knots backing south. Waves calm to
2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ263-012100-
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-
400 AM EST Thu Jan 1 2026

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

.EARLY THIS MORNING...Northwest winds 20 to 30 knots. Heavy
freezing spray. A slight chance of snow showers. Waves 5 to
8 feet occasionally to 10 feet.
.TODAY...Northwest winds 20 to 30 knots backing west. Heavy
freezing spray. A chance of snow showers. Waves 5 to 8 feet
occasionally to 10 feet.
.TONIGHT...Northwest winds 20 to 30 knots. A slight chance of
snow showers in the evening. Heavy freezing spray. Waves building
to 5 to 9 feet occasionally to 11 feet.
.FRIDAY...West winds 20 to 30 knots. Freezing spray. Waves
subsiding to 4 to 7 feet occasionally to 9 feet.
.FRIDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. Waves subsiding to 1 to 3 feet.
.SATURDAY...Northwest winds 10 to 20 knots. A chance of snow
showers. Waves subsiding to calm to 2 feet, then building to 1 to
3 feet.
.SATURDAY NIGHT...Northwest winds 10 to 20 knots. Waves 1 to
3 feet.
.SUNDAY...Northwest winds 5 to 15 knots backing south. A chance
of snow showers. Waves subsiding to calm to 2 feet.
.MONDAY...West winds 5 to 15 knots backing south. Waves calm to
2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ264-012100-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
400 AM EST Thu Jan 1 2026

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

.EARLY THIS MORNING...Northwest gales to 35 knots. Heavy freezing
spray. A slight chance of snow showers. Waves 8 to 11 feet
occasionally to 14 feet subsiding to 7 to 10 feet occasionally to
13 feet.
.TODAY...Northwest gales to 35 knots backing west by mid
afternoon. Heavy freezing spray. A slight chance of snow showers.
Waves 7 to 10 feet occasionally to 13 feet.
.TONIGHT...Northwest gales to 35 knots diminishing to 20 to
30 knots late. Heavy freezing spray. A slight chance of snow
showers. Waves 7 to 10 feet occasionally to 13 feet.
.FRIDAY...Northwest gales to 35 knots diminishing to 20 to
30 knots. Heavy freezing spray. Waves subsiding to 6 to 9 feet
occasionally to 11 feet, then building to 7 to 10 feet
occasionally to 13 feet.
.FRIDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. Freezing spray in the evening.
Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.SATURDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. Waves subsiding to 1 to 3 feet, then
building to 2 to 4 feet.
.SATURDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. Waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet.
.SUNDAY...Northwest winds 10 to 20 knots becoming south 5 to
15 knots. A chance of snow showers. Waves subsiding to calm to
2 feet.
.MONDAY...West winds 5 to 15 knots backing southwest. Waves calm
to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ265-012100-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
400 AM EST Thu Jan 1 2026

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

.EARLY THIS MORNING...Northwest gales to 40 knots. Heavy freezing
spray. A slight chance of snow showers. Waves 7 to 10 feet
occasionally to 13 feet.
.TODAY...Northwest gales to 40 knots becoming west gales to
35 knots by mid afternoon. Heavy freezing spray. A chance of snow
showers. Waves subsiding to 6 to 9 feet occasionally to 11 feet.
.TONIGHT...Northwest gales to 35 knots. Heavy freezing spray. A
slight chance of snow showers. Waves subsiding to 5 to 8 feet
occasionally to 10 feet.
.FRIDAY...Northwest gales to 35 knots backing west by mid
afternoon. Freezing spray. A slight chance of snow showers in the
afternoon. Waves building to 5 to 9 feet occasionally to 11 feet.
.FRIDAY NIGHT...Northwest gales to 35 knots diminishing to 20 to
30 knots after midnight. A slight chance of snow showers in the
evening. Freezing spray. Waves subsiding to 2 to 4 feet.
.SATURDAY...Northwest winds 15 to 25 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 2 to 4 feet.
.SATURDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. Waves 2 to 4 feet.
.SUNDAY...Northwest winds 10 to 20 knots backing south. Snow
showers likely. Waves subsiding to calm to 2 feet.
.MONDAY...West winds 10 to 20 knots backing southwest. Waves calm
to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-012100-
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-
400 AM EST Thu Jan 1 2026

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

.EARLY THIS MORNING...Northwest gales to 40 knots. Heavy freezing
spray. A chance of snow showers. Waves 11 to 15 feet occasionally
to 19 feet.
.TODAY...Northwest gales to 35 knots. Heavy freezing spray. A
chance of snow showers. Waves subsiding to 10 to 14 feet
occasionally to 18 feet.
.TONIGHT...Northwest gales to 35 knots. Heavy freezing spray. A
chance of snow showers. Waves subsiding to 9 to 12 feet
occasionally to 15 feet.
.FRIDAY...Northwest gales to 35 knots. Freezing spray. A chance
of snow showers. Waves subsiding to 8 to 11 feet occasionally to
14 feet, then building to 9 to 12 feet occasionally to 15 feet.
.FRIDAY NIGHT...Northwest gales to 35 knots diminishing to 15 to
25 knots after midnight. Freezing spray. A chance of snow
showers. Waves subsiding to 4 to 7 feet occasionally to 9 feet.
.SATURDAY...Northwest winds 15 to 25 knots. Freezing spray. A
chance of snow showers in the morning. Snow showers likely in the
afternoon. Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.SATURDAY NIGHT...Northwest winds 15 to 25 knots. Freezing spray
in the evening. A chance of snow showers. Waves building to 3 to
6 feet occasionally to 8 feet.
.SUNDAY...Northwest winds 10 to 20 knots backing south. A chance
of snow showers. Waves subsiding to 1 to 3 feet.
.MONDAY...Southwest winds 10 to 20 knots. A chance of snow
showers. Waves building to 2 to 4 feet, then subsiding to calm to
2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ267-012100-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
400 AM EST Thu Jan 1 2026

...GALE WARNING IN EFFECT THROUGH LATE TONIGHT...
...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...Northwest gales to 40 knots. Heavy freezing
spray. Snow showers likely. Waves 11 to 15 feet occasionally to
19 feet.
.TODAY...Northwest gales to 40 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.
.TONIGHT...Northwest gales to 35 knots. Freezing spray. A chance
of snow showers. Waves subsiding to 9 to 12 feet occasionally to
15 feet.
.FRIDAY...Northwest winds 20 to 30 knots becoming west gales to
35 knots by mid afternoon. Freezing spray. A chance of snow
showers in the morning. Snow showers likely in the afternoon.
Waves subsiding to 8 to 11 feet occasionally to 14 feet, then
building to 9 to 12 feet occasionally to 15 feet.
.FRIDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. Freezing spray. A chance of snow
showers. Waves subsiding to 4 to 7 feet occasionally to 9 feet.
.SATURDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Waves
subsiding to 3 to 5 feet occasionally to 7 feet.
.SATURDAY NIGHT...Northwest winds 15 to 25 knots. Freezing spray.
A chance of snow showers. Waves building to 3 to 6 feet
occasionally to 8 feet.
.SUNDAY...Northwest winds 10 to 20 knots backing south. Snow
showers likely. Waves subsiding to 1 to 3 feet.
.MONDAY...South winds 10 to 20 knots veering southwest. A chance
of snow showers. Waves subsiding to calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-011500-
MAFOR 0110/
Superior West...HEAVY FREEZING SPRAY WARNING IN EFFECT...11742
12732 11642 11640 13740. Waves 4 to 7 feet subsiding to 3 to 6
feet today. Waves 4 to 7 feet tonight.

Superior North Central...GALE WARNING IN EFFECT...HEAVY FREEZING
SPRAY WARNING IN EFFECT...15752 11752 11742. Waves 7 to 10 feet.

Superior South Central...GALE WARNING IN EFFECT...HEAVY FREEZING
SPRAY WARNING IN EFFECT...16752. A chance of snow showers this
afternoon and evening. Waves 8 to 12 feet today. Waves 7 to 11
feet tonight.

Superior East...GALE WARNING IN EFFECT...HEAVY FREEZING SPRAY
WARNING IN EFFECT...13752 14750 11740. A chance of snow showers.
Waves 11 to 15 feet.

$$

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