786
FZUS63 KMQT 112101
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
400 PM 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 far northern Ontario. This low pulls a 29.9 inch trough over
eastern Lake Superior Friday afternoon. High pressure builds back to
30.1 inches over the Great Lakes by Saturday morning before a weak
29.8 inch trough moves into the Upper Great Lakes Saturday evening.
Weak troughing of around 29.8 inches hangs out over the Upper Great
Lakes the rest of this weekend to Monday.


LSZ162-120900-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
400 PM EST Wed Feb 11 2026 /300 PM CST Wed Feb 11 2026/

.LATE THIS AFTERNOON...West winds 5 to 15 knots. Waves calm to
2 feet.
.TONIGHT...North winds 5 to 15 knots veering northeast late.
Waves calm to 2 feet.
.THURSDAY...South winds 5 to 15 knots veering southwest. Waves
calm to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to
10 to 20 knots late. Waves calm to 2 feet.
.FRIDAY...West winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon. Waves calm to 2 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots veering northeast after
midnight. Waves calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots backing southeast in the
afternoon. Waves calm to 2 feet.
.SATURDAY NIGHT...West winds 5 to 15 knots. Waves calm to 2 feet.
.SUNDAY...West winds 5 to 15 knots. Waves calm to 2 feet.
.MONDAY...East winds 5 to 15 knots increasing to 10 to 20 knots.
Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ263-120900-
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 PM EST Wed Feb 11 2026

.LATE THIS AFTERNOON...West winds 5 to 15 knots. Flurries. Waves
calm to 2 feet.
.TONIGHT...Northwest winds 5 to 15 knots veering north by
midnight, then 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 by 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 becoming south less than
10 knots after midnight. Waves calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
.SATURDAY NIGHT...South winds 5 to 15 knots veering west after
midnight. Waves calm to 2 feet.
.SUNDAY...West winds 5 to 15 knots backing southwest. Waves calm
to 2 feet.
.MONDAY...Southeast winds 5 to 15 knots backing east. Waves calm
to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ264-120900-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
400 PM EST Wed Feb 11 2026

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. Flurries.
Waves 2 to 4 feet.
.TONIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. Waves subsiding to calm to 2 feet.
.THURSDAY...Northwest winds 5 to 15 knots backing southwest.
Waves calm to 2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots increasing to
15 to 25 knots. Waves building to 2 to 4 feet.
.FRIDAY...West winds 15 to 25 knots becoming northwest 10 to
20 knots in the afternoon. Waves subsiding to 1 to 3 feet.
.FRIDAY NIGHT...Northwest winds 5 to 15 knots becoming south less
than 10 knots after midnight. Waves subsiding to calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
.SATURDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. Waves calm to 2 feet.
.SUNDAY...West winds 5 to 15 knots. Waves calm to 2 feet.
.MONDAY...West winds 5 to 15 knots backing southeast. Waves
building to 1 to 3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ265-120900-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
400 PM EST Wed Feb 11 2026

.LATE THIS AFTERNOON...Northwest winds 15 to 25 knots. Flurries.
Waves 2 to 4 feet.
.TONIGHT...Northwest winds 10 to 20 knots. Isolated snow showers
in the evening. Waves subsiding to 1 to 3 feet.
.THURSDAY...West winds 10 to 20 knots diminishing to 5 to
15 knots by late morning, then backing south by mid afternoon.
Waves subsiding to calm to 2 feet.
.THURSDAY NIGHT...South winds 10 to 20 knots veering southwest by
midnight, then increasing to 15 to 25 knots late. Waves calm to
2 feet.
.FRIDAY...West winds 15 to 25 knots. Waves calm to 2 feet.
.FRIDAY NIGHT...Northwest winds 10 to 20 knots becoming southwest
5 to 15 knots after midnight. Waves calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots becoming southeast 10 to
20 knots in the afternoon. Waves calm to 2 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. Waves calm to 2 feet.
.SUNDAY...West winds 10 to 20 knots. Waves calm to 2 feet.
.MONDAY...Southwest winds 10 to 20 knots backing southeast. Waves
calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-120900-
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 PM EST Wed Feb 11 2026

.LATE THIS AFTERNOON...Northwest winds 20 to 30 knots. Freezing
spray. Scattered snow showers. Waves 4 to 7 feet occasionally to
9 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 2 to 4 feet.
.THURSDAY...Northwest winds 10 to 20 knots becoming west 5 to
15 knots. Isolated snow showers in the morning. Waves subsiding
to calm to 2 feet.
.THURSDAY NIGHT...South winds 5 to 15 knots becoming southwest
10 to 20 knots by midnight, then increasing to 15 to 25 knots
late. Waves building to 2 to 4 feet.
.FRIDAY...West winds 15 to 25 knots veering northwest in the
afternoon. Waves building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY NIGHT...Northwest winds 10 to 20 knots becoming west 5 to
15 knots after midnight. Waves subsiding to calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. Waves calm to 2 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Waves building to 1 to 3 feet.
.SUNDAY...West winds 10 to 20 knots. Waves subsiding to calm to
2 feet.
.MONDAY...Southwest winds 10 to 20 knots becoming south 15 to
25 knots. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ267-120900-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
400 PM EST Wed Feb 11 2026

.LATE THIS AFTERNOON...North winds 15 to 25 knots. Freezing
spray. Isolated snow showers. Waves 4 to 7 feet occasionally to
9 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. Freezing spray in the evening. Isolated
snow showers in the evening. Waves subsiding to 1 to 3 feet.
.THURSDAY...North winds 10 to 20 knots diminishing to 5 to
15 knots by late morning, then 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 by midnight. Waves building to 2 to 4 feet.
.FRIDAY...Southwest winds 10 to 20 knots becoming northwest 15 to
25 knots in the afternoon. Waves building to 3 to 6 feet
occasionally to 8 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 increasing to 10 to
20 knots in the afternoon. Waves calm to 2 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots. Waves calm to
2 feet.
.SUNDAY...South winds 10 to 20 knots veering southwest. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.MONDAY...Southwest winds 10 to 20 knots backing southeast. Waves
calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-120300-
MAFOR 1122/
Superior West 11610 11700 12800 11500 11400 12500. Waves omitted
due to the lake being mostly ice covered.

Superior North Central 11720 12820 11810 12700 11600 11510. Waves
2 to 4 feet subsiding to 1 to 3 feet tonight. Waves 2 feet or
less Thursday.

Superior South Central 13730 12720 11710 11600 11500. Waves 3 to
6 feet subsiding to 2 to 4 feet tonight. Waves 1 to 3 feet
subsiding to 1 foot or less Thursday. Wave heights are for ice
free areas.

Superior East 11831 11831 19837 11820 13810 11800 11600. Waves 3
to 6 feet subsiding to 2 to 4 feet tonight. Waves 1 to 3 feet
subsiding to 1 foot or less Thursday.

$$

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