397
FZUS63 KMQT 111501
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
1001 AM EST Wed Feb 11 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...

30.3 inch high pressure over Minnesota today builds into the Great
Lakes by Thursday morning. By Friday morning, the high retreats into
the southern portion of the Great Lakes while a 29.8 inch low moves
across northern Ontario. This low pulls a 29.9 inch trough near
eastern Lake Superior Friday afternoon. High pressure builds back to
30.1 inches over the Great Lakes by Saturday morning before a weak
29.9 inch trough moves into the Upper Great Lakes Saturday night.
Weak ridging of 30.0 inches moves back over Lake Superior on Sunday.
The ridging builds up to around 30.1 inches over the lake by Monday.


LSZ162-112100-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1001 AM EST Wed Feb 11 2026 /901 AM CST Wed Feb 11 2026/

.REST OF TODAY...Northwest winds 10 to 20 knots becoming west
5 to 15 knots by mid afternoon. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots veering northwest by
midnight. Waves calm to 2 feet.
.THURSDAY...South winds less than 10 knots becoming southwest
5 to 15 knots by late morning, then backing south by mid
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. Waves calm to 2 feet.
.FRIDAY...West winds 10 to 20 knots. Waves calm to 2 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots backing southwest after
midnight. Waves calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots veering west. Waves calm to
2 feet.
.SUNDAY...West winds 5 to 15 knots. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ263-112100-
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-
1001 AM EST Wed Feb 11 2026

.REST OF TODAY...Northwest winds 10 to 20 knots becoming west
5 to 15 knots by mid afternoon. Waves 2 to 4 feet subsiding to
calm to 2 feet.
.TONIGHT...Northwest winds 5 to 15 knots diminishing to less than
10 knots late. Waves calm to 2 feet.
.THURSDAY...Southwest winds less than 10 knots increasing to 5 to
15 knots. Waves calm to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. Waves building to 1 to 3 feet.
.FRIDAY...West winds 10 to 20 knots. Waves subsiding to calm to
2 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots backing southwest after
midnight. Waves calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots veering southwest. Waves
calm to 2 feet.
.SUNDAY...West winds 5 to 15 knots. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ264-112100-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1001 AM EST Wed Feb 11 2026

.REST OF TODAY...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots by mid afternoon. Isolated snow showers late in
the morning. Waves 4 to 7 feet occasionally to 9 feet subsiding
to 2 to 4 feet.
.TONIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots by midnight, then backing northwest late. Waves
subsiding to calm to 2 feet.
.THURSDAY...West winds less than 10 knots increasing to 5 to
15 knots by late morning, then backing southwest by mid
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots becoming west
10 to 20 knots after midnight. Waves building to 2 to 4 feet.
.FRIDAY...West winds 15 to 25 knots. Waves subsiding to 1 to
3 feet.
.FRIDAY NIGHT...Northwest winds 5 to 15 knots backing west after
midnight. Waves subsiding to calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
.SUNDAY...West winds 5 to 15 knots. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ265-112100-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1001 AM EST Wed Feb 11 2026

.REST OF TODAY...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots by mid afternoon. Isolated snow showers. Waves
3 to 6 feet occasionally to 8 feet subsiding to 2 to 4 feet.
.TONIGHT...Northwest winds 10 to 20 knots backing west late.
Isolated snow showers in the evening. Waves subsiding to calm to
2 feet.
.THURSDAY...West winds 5 to 15 knots backing south by mid
afternoon. Waves calm to 2 feet.
.THURSDAY NIGHT...South winds 10 to 20 knots veering west after
midnight. Waves calm to 2 feet.
.FRIDAY...West winds 15 to 25 knots. Waves calm to 2 feet.
.FRIDAY NIGHT...West winds 10 to 20 knots. Waves calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots. Waves calm to 2 feet.
.SUNDAY...West winds 10 to 20 knots. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-112100-
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-
1001 AM EST Wed Feb 11 2026

.REST OF TODAY...Northwest winds to 30 knots with a few gale
force gusts to 35 knots possible diminishing to 20 to 30 knots.
Freezing spray. Scattered snow showers. Waves 7 to 10 feet
occasionally to 13 feet subsiding to 5 to 8 feet occasionally to
10 feet.
.TONIGHT...Northwest winds 15 to 25 knots becoming north 10 to
20 knots by midnight. Freezing spray in the evening. Scattered
snow showers. Waves subsiding to 1 to 3 feet.
.THURSDAY...Northwest winds 5 to 15 knots backing southwest by
mid afternoon. Waves subsiding to calm to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to
15 to 25 knots after midnight. Waves building to 2 to 4 feet.
.FRIDAY...West winds 15 to 25 knots veering northwest in the
afternoon. Waves building to 3 to 5 feet occasionally to 7 feet.
.FRIDAY NIGHT...Northwest winds 10 to 20 knots backing west after
midnight. Waves subsiding to calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots. Waves building to 1 to
3 feet.
.SUNDAY...West winds 10 to 20 knots. Waves subsiding to calm to
2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ267-112100-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1001 AM EST Wed Feb 11 2026

.REST OF TODAY...North winds 20 to 30 knots becoming northwest
15 to 25 knots by mid afternoon. Freezing spray. Scattered snow
showers. Waves 6 to 9 feet occasionally to 11 feet subsiding to
4 to 7 feet occasionally to 9 feet.
.TONIGHT...North winds 15 to 25 knots diminishing to 5 to
15 knots. Isolated snow showers in the evening. Waves subsiding
to 1 to 3 feet.
.THURSDAY...North winds 5 to 15 knots backing west by mid
afternoon. Waves subsiding to calm to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. Waves building to 1 to 3 feet.
.FRIDAY...West winds 10 to 20 knots becoming northwest 15 to
25 knots in the afternoon. Waves building to 3 to 5 feet
occasionally to 7 feet.
.FRIDAY NIGHT...Northwest winds 5 to 15 knots. Waves subsiding to
calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots increasing to 10 to
20 knots. Waves calm to 2 feet.
.SUNDAY...South winds 10 to 20 knots veering west. Waves calm to
2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-112100-
MAFOR 1116/
Superior West 11710 12610 13700 11600 11400. Waves omitted due to
the lake being mostly ice covered.

Superior North Central 12730 11720 11820 11810 11800 11700 11600.
Waves 3 to 6 feet this afternoon. Waves 2 to 4 feet subsiding to
1 to 3 feet tonight. Waves 2 feet or less Thursday morning.

Superior South Central 12740 12730 11720 11710 11610 11600. Waves
5 to 8 feet this afternoon. Waves 3 to 6 feet subsiding to 1 to 3
feet tonight. Waves 1 to 3 feet Thursday morning. Wave heights
are for ice free areas.

Superior East 11830 11731 11831 11830 11820 12810 11800. Waves 5
to 8 feet this afternoon. Waves 4 to 7 feet subsiding to 2 to 4
feet tonight. Waves 1 to 2 feet 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