862
FZUS63 KMQT 280301
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
1001 PM EST Tue Jan 27 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 weak low grazes the northeast portion of the lake at 30.0 inches
tonight into Wednesday as high pressure builds to the south and
west. Remnant troughing gradually weakens over the lake Thursday
before strong high pressure around 31.0 inches descending from the
Canadian Prairies brings ridging of around 30.6 inches back over
Lake Superior by Friday. Ridging remains over the lake this weekend,
weakening on Sunday to 30.2 inches as the high pressure moves south
over the Plains.


LSZ162-280900-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1001 PM EST Tue Jan 27 2026 /901 PM CST Tue Jan 27 2026/

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 1 AM EST
/MIDNIGHT CST/ WEDNESDAY...

.REST OF TONIGHT...West winds 15 to 25 knots veering northwest by
midnight. Scattered snow showers. Waves 3 to 6 feet occasionally
to 8 feet subsiding to 2 to 4 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots. A chance of snow
showers. Waves subsiding to 1 to 3 feet, then building to 2 to
4 feet.
.WEDNESDAY NIGHT...North winds 10 to 20 knots. A chance of snow
showers. Waves subsiding to calm to 2 feet.
.THURSDAY...North winds 10 to 20 knots. A chance of snow showers.
Waves calm to 2 feet.
.THURSDAY NIGHT...North winds 10 to 20 knots. A slight chance of
snow showers. Waves building to 1 to 3 feet.
.FRIDAY...North winds 10 to 20 knots. Waves subsiding to calm to
2 feet.
.FRIDAY NIGHT...North winds 5 to 15 knots. Waves calm to 2 feet.
.SATURDAY...West winds 5 to 15 knots backing southwest. Waves
calm to 2 feet.
.SUNDAY...Southwest winds 10 to 20 knots veering northwest. A
chance of snow showers. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ263-280900-
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 PM EST Tue Jan 27 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

.REST OF TONIGHT...West winds 20 to 30 knots becoming northwest
15 to 25 knots by midnight, then diminishing to 10 to 20 knots
late. Heavy freezing spray. Scattered snow showers late in the
evening. Numerous snow showers after midnight. Waves 5 to 8 feet
occasionally to 10 feet subsiding to 3 to 5 feet occasionally to
7 feet.
.WEDNESDAY...Northwest winds 10 to 20 knots. Snow showers likely
in the morning. A chance of snow showers in the afternoon. Waves
subsiding to 2 to 4 feet.
.WEDNESDAY NIGHT...North winds 15 to 25 knots diminishing to
10 to 20 knots by midnight. A chance of snow showers. Waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
1 to 3 feet.
.THURSDAY...North winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. A chance of snow showers. Waves
building to 2 to 4 feet.
.THURSDAY NIGHT...North winds 15 to 25 knots. A chance of snow
showers. Waves building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY...North winds 15 to 25 knots. Waves subsiding to 2 to
4 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves subsiding to 1 to 3 feet.
.SATURDAY...West winds 5 to 15 knots becoming southwest 10 to
20 knots. Waves subsiding to calm to 2 feet, then building to
1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming northwest 10 to
20 knots. Waves subsiding to calm to 2 feet, then building to
1 to 3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ264-280900-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1001 PM EST Tue Jan 27 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

.REST OF TONIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots by midnight. Heavy freezing spray. Scattered snow
showers late in the evening. Numerous snow showers after
midnight. Waves 5 to 8 feet occasionally to 10 feet subsiding to
3 to 6 feet occasionally to 8 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots veering north by late
morning, then backing northwest by mid afternoon. Heavy freezing
spray in the morning. Snow showers likely. Waves subsiding to
3 to 6 feet occasionally to 8 feet.
.WEDNESDAY NIGHT...North winds 15 to 25 knots diminishing to
10 to 20 knots late. A chance of snow showers. Waves subsiding to
2 to 4 feet.
.THURSDAY...North winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. A chance of snow showers. Waves 2 to
4 feet.
.THURSDAY NIGHT...North winds 15 to 25 knots. Heavy freezing
spray. A chance of snow showers. Waves building to 3 to 6 feet
occasionally to 8 feet.
.FRIDAY...North winds 15 to 25 knots. Heavy freezing spray in the
morning. A chance of snow showers. Waves 3 to 6 feet occasionally
to 8 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves subsiding to 2 to 4 feet.
.SATURDAY...West winds 5 to 15 knots backing southwest. Waves
subsiding to calm to 2 feet, then building to 1 to 3 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming northwest 10 to
20 knots. Waves 1 to 3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ265-280900-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1001 PM EST Tue Jan 27 2026

.REST OF TONIGHT...West winds 20 to 30 knots veering northwest by
midnight, then diminishing to 15 to 25 knots late. Scattered snow
showers. Waves calm to 2 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots increasing to 20 to
30 knots. A chance of snow showers. Waves calm to 2 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 25 knots. A chance of
snow showers. Waves calm to 2 feet.
.THURSDAY...North winds 15 to 25 knots. A chance of snow showers.
Waves calm to 2 feet.
.THURSDAY NIGHT...North winds 20 to 30 knots. A chance of snow
showers. Waves calm to 2 feet.
.FRIDAY...North winds 20 to 30 knots. A chance of snow showers.
Waves calm to 2 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots. Waves calm to 2 feet.
.SATURDAY...Northwest winds 10 to 20 knots backing southwest.
Waves calm to 2 feet.
.SUNDAY...Southwest winds 10 to 20 knots veering west. Waves calm
to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-280900-
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 PM EST Tue Jan 27 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

.REST OF TONIGHT...West winds 20 to 30 knots veering northwest by
midnight. Heavy freezing spray. Numerous snow showers. Waves 7 to
10 feet occasionally to 13 feet subsiding to 5 to 8 feet
occasionally to 10 feet.
.WEDNESDAY...Northwest winds 20 to 30 knots. Heavy freezing
spray. Snow showers. Waves subsiding to 4 to 7 feet occasionally
to 9 feet.
.WEDNESDAY NIGHT...North winds 20 to 30 knots diminishing to
15 to 25 knots late. Heavy freezing spray. Snow showers likely.
Waves subsiding to 3 to 6 feet occasionally to 8 feet.
.THURSDAY...North winds 15 to 25 knots. Snow showers likely in
the morning, then a chance of snow showers in the afternoon.
Waves subsiding to 2 to 4 feet.
.THURSDAY NIGHT...North winds 20 to 30 knots. Heavy freezing
spray. A chance of snow showers. Waves building to 3 to 6 feet
occasionally to 8 feet.
.FRIDAY...North winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. Heavy freezing spray. A chance of snow
showers. Waves building to 5 to 8 feet occasionally to 10 feet.
.FRIDAY NIGHT...North winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. Heavy freezing spray. Waves subsiding to
3 to 6 feet occasionally to 8 feet.
.SATURDAY...North winds 10 to 20 knots backing southwest. Waves
subsiding to calm to 2 feet.
.SUNDAY...Southwest winds 10 to 20 knots becoming west 15 to
25 knots. A chance of snow showers. Waves building to 1 to
3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ267-280900-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1001 PM EST Tue Jan 27 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE WEDNESDAY
NIGHT...

.REST OF TONIGHT...West winds 20 to 30 knots veering northwest by
midnight, then diminishing to 15 to 25 knots late. Freezing
spray. Snow showers. Waves 7 to 10 feet occasionally to 13 feet
subsiding to 5 to 8 feet occasionally to 10 feet.
.WEDNESDAY...Northeast winds 15 to 25 knots backing north.
Freezing spray in the morning. Snow showers. Waves subsiding to
3 to 6 feet occasionally to 8 feet.
.WEDNESDAY NIGHT...North winds 15 to 25 knots diminishing to
10 to 20 knots by midnight, then veering northeast late. Heavy
freezing spray in the evening. A chance of snow showers. Waves
subsiding to 2 to 4 feet.
.THURSDAY...Northeast winds 10 to 20 knots backing north in the
afternoon. A chance of snow showers. Waves subsiding to 1 to
3 feet.
.THURSDAY NIGHT...Northeast winds 15 to 25 knots backing north
after midnight. A chance of snow showers. Waves building to 3 to
5 feet occasionally to 7 feet.
.FRIDAY...North winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon. A chance of snow showers. Waves building to
3 to 6 feet occasionally to 8 feet.
.FRIDAY NIGHT...North winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. Waves subsiding to 2 to 4 feet.
.SATURDAY...North winds 10 to 20 knots backing northwest. Waves
subsiding to calm to 2 feet.
.SUNDAY...Southwest winds 10 to 20 knots. Waves building to 1 to
3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-280900-
MAFOR 2804/
Superior West...HEAVY FREEZING SPRAY WARNING IN EFFECT...11742
19747 11730 19737 11727 11730 12720 11730 11830. Waves 4 to 7
feet subsiding to 3 to 6 feet overnight. Waves 2 to 4 feet
subsiding to 1 to 3 feet Wednesday. Waves 2 to 4 feet Wednesday
evening.

Superior North Central...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11747 13737 11837 11737 11830 11840. Waves 5 to 8 feet subsiding
to 3 to 6 feet overnight. Waves 3 to 6 feet Wednesday and
Wednesday evening.

Superior South Central...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11740 19747 11730 19737 15730. Waves omitted due to the lake
being mostly ice covered.

Superior East...HEAVY FREEZING SPRAY WARNING IN EFFECT...11747
12737 11837 11827 12837 11832. Waves 6 to 10 feet overnight.
Waves 5 to 8 feet subsiding to 3 to 6 feet Wednesday. Waves 3 to
6 feet Wednesday evening.

$$

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