873
FZUS63 KMQT 280900
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
400 AM EST Fri Nov 28 2025

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 29.5 inch low over Quebec will continue to push away from the area
as 30.4 inch ridge builds in tonight. Meanwhile a 29.7 inch Colorado
Low will develop and will move over Oklahoma at 29.8 inches,
tracking northeast into the southern Great Lakes Basin by early
Sunday morning at 29.8 inches. The low will reach the southern
Ontario/Quebec border Sunday evening. In its wake, 30.6 inch high
pressure moves over the Upper Midwest, sliding south of the Great
Lakes at 30.4 inches Monday. The high is eroded Tuesday into
Wednesday as a low pressure of 29.6 inches tracks through southern
Ontario and a 29.5 inch Nor`Easter off the coast of the Chesapeake
Bay develops.


LSZ162-282100-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
400 AM EST Fri Nov 28 2025 /300 AM CST Fri Nov 28 2025/

.EARLY THIS MORNING...Northwest winds 15 to 25 knots. Waves 2 to
4 feet.
.TODAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots. Waves subsiding to calm to 2 feet.
.TONIGHT...North winds 5 to 15 knots. A slight chance of snow
showers after midnight. Waves calm to 2 feet.
.SATURDAY...North winds 5 to 15 knots veering northeast by late
morning, then increasing to 10 to 20 knots by mid afternoon. A
chance of snow showers. Waves calm to 2 feet.
.SATURDAY NIGHT...North winds 10 to 20 knots increasing to 15 to
25 knots after midnight. A chance of snow showers. Waves building
to 2 to 4 feet.
.SUNDAY...Northwest winds 15 to 25 knots. Waves subsiding to 1 to
3 feet.
.SUNDAY NIGHT...Northwest winds 10 to 20 knots backing west after
midnight. Waves subsiding to calm to 2 feet, then building to
1 to 3 feet.
.MONDAY...Southwest winds 15 to 25 knots veering west. Waves
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
1 to 3 feet.
.TUESDAY...Southwest winds 10 to 20 knots veering west. A chance
of snow showers. Waves subsiding to calm to 2 feet.

$$

LSZ263-282100-
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 Fri Nov 28 2025

.EARLY THIS MORNING...Northwest winds 15 to 25 knots. A slight
chance of snow showers. Waves 4 to 7 feet occasionally to 9 feet.
.TODAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. A slight chance of snow showers in the
morning. Waves subsiding to calm to 2 feet.
.TONIGHT...Northwest winds 5 to 15 knots veering north by
midnight. A chance of snow showers. Waves calm to 2 feet.
.SATURDAY...North winds 5 to 15 knots veering northeast by mid
afternoon. A chance of snow showers. Waves calm to 2 feet.
.SATURDAY NIGHT...Northeast winds 10 to 20 knots becoming north
15 to 25 knots after midnight. A chance of snow showers. Waves
building to 3 to 5 feet occasionally to 7 feet.
.SUNDAY...Northwest winds 20 to 30 knots. 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.
.SUNDAY NIGHT...Northwest winds 15 to 25 knots backing west after
midnight. Waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet.
.MONDAY...Southwest winds 20 to 30 knots veering west. Waves
building to 5 to 8 feet occasionally to 10 feet, then subsiding
to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...Southwest winds 10 to 20 knots becoming west 15 to
25 knots. A chance of snow showers. Waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet.

$$

LSZ264-282100-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
400 AM EST Fri Nov 28 2025

.EARLY THIS MORNING...Northwest winds 20 to 30 knots. A chance of
snow showers. Waves 6 to 9 feet occasionally to 11 feet.
.TODAY...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots. A chance of snow showers. Waves subsiding to 3 to
5 feet occasionally to 7 feet.
.TONIGHT...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. A slight chance of snow showers. Waves
subsiding to calm to 2 feet.
.SATURDAY...Northwest winds 5 to 15 knots veering north. A slight
chance of snow showers in the afternoon. Waves calm to 2 feet.
.SATURDAY NIGHT...Northeast winds 5 to 15 knots becoming north
15 to 25 knots after midnight. A chance of snow showers. Waves
building to 3 to 5 feet occasionally to 7 feet.
.SUNDAY...North winds 20 to 30 knots backing northwest in the
afternoon. A chance of snow showers. Waves building to 4 to
8 feet occasionally to 10 feet.
.SUNDAY NIGHT...Northwest winds 20 to 30 knots becoming west
15 to 25 knots after midnight. Waves subsiding to 3 to 5 feet
occasionally to 7 feet.
.MONDAY...West winds 20 to 30 knots. A chance of snow showers.
Waves building to 5 to 8 feet occasionally to 10 feet, then
subsiding to 3 to 6 feet occasionally to 8 feet.
.TUESDAY...West winds 10 to 20 knots increasing to 15 to
25 knots. A chance of snow showers. Waves subsiding to 2 to
4 feet, then building to 3 to 5 feet occasionally to 7 feet.

$$

LSZ265-282100-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
400 AM EST Fri Nov 28 2025

.EARLY THIS MORNING...Northwest winds to 30 knots with a few gale
force gusts to 35 knots possible. A chance of snow showers. Waves
7 to 10 feet occasionally to 13 feet.
.TODAY...Northwest winds to 30 knots with a few gale force gusts
to 35 knots possible diminishing to 20 to 30 knots by mid
afternoon. A chance of snow showers. Waves subsiding to 3 to
6 feet occasionally to 8 feet.
.TONIGHT...Northwest winds 10 to 20 knots. A chance of snow
showers. Waves subsiding to calm to 2 feet.
.SATURDAY...Northwest winds 5 to 15 knots becoming northeast
10 to 20 knots by mid afternoon. A chance of snow showers. Waves
calm to 2 feet.
.SATURDAY NIGHT...Northeast winds 10 to 20 knots becoming north
15 to 25 knots after midnight. Snow showers. Waves building to
2 to 4 feet.
.SUNDAY...North gales to 35 knots backing northwest in the
afternoon. Snow showers. Waves building to 5 to 8 feet
occasionally to 10 feet.
.SUNDAY NIGHT...Northwest winds 20 to 30 knots becoming west
15 to 25 knots after midnight. A chance of snow showers. Waves
subsiding to 2 to 4 feet.
.MONDAY...Southwest winds 15 to 25 knots. A chance of snow
showers. Waves subsiding to 1 to 3 feet, then building to 2 to
4 feet.
.TUESDAY...Southwest winds 15 to 25 knots. A chance of snow
showers. Waves subsiding to calm to 2 feet, then building to 1 to
3 feet.

$$

LSZ266-282100-
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 Fri Nov 28 2025

...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING...

.EARLY THIS MORNING...Northwest gales to 40 knots. Snow showers
likely. Waves 10 to 14 feet occasionally to 18 feet.
.TODAY...Northwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. Snow showers likely in the morning,
then a chance of snow showers in the afternoon. Waves subsiding
to 6 to 9 feet occasionally to 11 feet.
.TONIGHT...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. A chance of snow showers. Waves subsiding
to 2 to 4 feet.
.SATURDAY...Northwest winds 5 to 15 knots becoming northeast
10 to 20 knots by mid afternoon. A chance of snow showers in the
morning, then snow showers in the afternoon. Waves subsiding to
calm to 2 feet.
.SATURDAY NIGHT...East winds 10 to 20 knots becoming northeast
15 to 25 knots after midnight. Snow showers. Waves building to
2 to 4 feet.
.SUNDAY...North winds 20 to 30 knots becoming northwest gales to
35 knots in the afternoon. Snow showers. Waves building to 8 to
11 feet occasionally to 14 feet.
.SUNDAY NIGHT...Northwest gales to 35 knots diminishing to 15 to
25 knots after midnight. Snow showers in the evening, then a
chance of snow showers after midnight. Waves subsiding to 3 to
6 feet occasionally to 8 feet.
.MONDAY...Southwest winds 15 to 25 knots. A chance of snow
showers. Waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet.
.TUESDAY...Southwest winds 15 to 25 knots. A chance of snow
showers. Waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet.

$$

LSZ267-282100-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
400 AM EST Fri Nov 28 2025

...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING...

.EARLY THIS MORNING...Northwest gales to 40 knots. Snow showers
likely. Waves 10 to 14 feet occasionally to 18 feet subsiding to
9 to 12 feet occasionally to 15 feet.
.TODAY...Northwest gales to 35 knots diminishing to 20 to
30 knots by mid afternoon. A chance of snow showers. Waves
subsiding to 5 to 8 feet occasionally to 10 feet.
.TONIGHT...North winds 20 to 30 knots diminishing to 10 to
20 knots. A chance of snow showers. Waves subsiding to 2 to
4 feet.
.SATURDAY...North winds 5 to 15 knots becoming south 10 to
20 knots. Snow showers. Waves subsiding to calm to 2 feet.
.SATURDAY NIGHT...Southeast winds 10 to 20 knots backing east
after midnight. Snow showers. Waves calm to 2 feet.
.SUNDAY...North winds 15 to 25 knots becoming northwest 20 to
30 knots in the afternoon. Snow showers. Waves building to 7 to
10 feet occasionally to 13 feet.
.SUNDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. Snow showers. Waves subsiding to
3 to 6 feet occasionally to 8 feet.
.MONDAY...Southwest winds 15 to 25 knots. Snow showers likely.
Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...Southwest winds 15 to 25 knots. Snow showers likely.
Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet.

$$

LSZ261-281500-
MAFOR 2810/
Superior West 11730 12720 13710 12800. Waves 3 to 5 feet
subsiding to 1 to 3 feet today. Waves 2 feet or less tonight.

Superior North Central 13740 12730 11720 12710. A chance of snow
showers this morning. Waves 5 to 9 feet subsiding to 3 to 6 feet
today. Waves 3 to 5 feet subsiding to 1 to 2 feet tonight.

Superior South Central...GALE WARNING IN EFFECT...11750 11747
12740 11730 11720 12710. Waves 7 to 11 feet subsiding to 5 to 9
feet today. Waves 4 to 7 feet subsiding to 1 to 3 feet tonight.

Superior East...GALE WARNING IN EFFECT...11750 13740 11730 11830
11820 11810. A chance of snow showers. Waves 8 to 12 feet
subsiding to 6 to 10 feet today. Waves 5 to 8 feet subsiding to 3
to 5 feet tonight.

$$

WFO MQT

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weather.gov/mqt/glftable

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weather.gov/greatlakes