768
FZUS63 KMQT 300901
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
400 AM EST Fri Jan 30 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...

High pressure of 30.9 inches sags south along the Red River Valley
(of the North) today, reaching the Central Plains at 30.8 inches by
Saturday morning. Throughout Saturday, a 29.9 inch low will move
from Saskatchewan to southern Manitoba, weakening to a 30.0 inch
remnant trough by the time it reaches Lake Superior Sunday evening.
As the trough further weakens to 30.1 inches over Georgian Bay
Monday, a 30.3 inch high will move over northwest Ontario. This high
builds to 30.4 inches Tuesday as it settles over the Great Lakes
basin through Wednesday.


LSZ162-302100-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
400 AM EST Fri Jan 30 2026 /300 AM CST Fri Jan 30 2026/

.EARLY THIS MORNING...North winds 15 to 25 knots. A chance of
snow showers. Waves 3 to 5 feet occasionally to 7 feet.
.TODAY...North winds 10 to 20 knots. A slight chance of snow
showers. Waves subsiding to calm to 2 feet.
.TONIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. Waves calm to 2 feet.
.SATURDAY...West winds 5 to 15 knots backing southwest. Waves
calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 10 to 20 knots. Waves building
to 2 to 4 feet.
.SUNDAY...Southwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. A chance of snow showers in the
morning, then snow showers likely in the afternoon. Waves
subsiding to calm to 2 feet.
.SUNDAY NIGHT...Northwest winds 10 to 20 knots veering north
after midnight. Waves calm to 2 feet.
.MONDAY...North winds 5 to 15 knots veering east. Waves calm to
2 feet.
.TUESDAY...East winds 5 to 15 knots veering southeast. Waves calm
to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ263-302100-
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 Jan 30 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 7 AM EST THIS
MORNING...

.EARLY THIS MORNING...North winds 15 to 25 knots. Heavy freezing
spray. A chance of snow showers. Waves 3 to 6 feet occasionally
to 8 feet.
.TODAY...North winds 15 to 25 knots diminishing to 10 to
20 knots. A chance of snow showers. Waves subsiding to 2 to
4 feet.
.TONIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots late. A slight chance of snow showers in the evening.
Waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 1 to 3 feet.
.SATURDAY...North winds 5 to 15 knots backing west by late
morning, then backing southwest by mid afternoon. Waves subsiding
to calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 10 to 20 knots. Waves building
to 2 to 4 feet.
.SUNDAY...Southwest winds 15 to 25 knots. A chance of snow
showers in the morning, then snow showers likely in the
afternoon. Waves subsiding to 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 10 to 20 knots veering north
after midnight. A chance of snow showers. Waves building to 2 to
4 feet.
.MONDAY...North winds 10 to 20 knots diminishing to 5 to
15 knots. Waves subsiding to calm to 2 feet.
.TUESDAY...East winds 5 to 15 knots veering south. Waves calm to
2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ264-302100-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
400 AM EST Fri Jan 30 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...North winds 15 to 25 knots. Heavy freezing
spray. Snow showers likely. Waves 3 to 6 feet occasionally to
8 feet.
.TODAY...North winds 15 to 25 knots. Heavy freezing spray and
patchy fog. A chance of snow showers. Waves 3 to 6 feet
occasionally to 8 feet.
.TONIGHT...North winds 15 to 25 knots diminishing to 5 to
15 knots. Heavy freezing spray in the evening. A slight chance of
snow showers in the evening. Waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet.
.SATURDAY...North winds 5 to 15 knots backing west by late
morning, then backing southwest by mid afternoon. Waves subsiding
to calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming south
10 to 20 knots after midnight. Waves building to 2 to 4 feet.
.SUNDAY...South winds 10 to 20 knots veering southwest in the
afternoon. A chance of snow showers. Waves subsiding to 1 to
3 feet.
.SUNDAY NIGHT...West winds 10 to 20 knots veering north after
midnight. Snow showers likely in the evening, then a chance of
snow showers after midnight. Waves building to 3 to 5 feet
occasionally to 7 feet.
.MONDAY...North winds 15 to 25 knots diminishing to 5 to
15 knots. Waves subsiding to calm to 2 feet.
.TUESDAY...Northeast winds 5 to 15 knots veering south. Waves
calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ265-302100-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
400 AM EST Fri Jan 30 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...North winds 10 to 20 knots. A chance of
snow showers. Waves 3 to 6 feet occasionally to 8 feet.
.TODAY...North winds 15 to 25 knots backing northwest. A chance
of snow showers. Waves building to 3 to 6 feet occasionally to
8 feet.
.TONIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots late. 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.
.SATURDAY...Northwest winds 10 to 20 knots backing west by late
morning, then diminishing to 5 to 15 knots by mid afternoon.
Waves subsiding to calm to 2 feet.
.SATURDAY NIGHT...South winds 5 to 15 knots. Waves calm to
2 feet.
.SUNDAY...South winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon. A chance of snow showers. Waves calm to 2 feet.
.SUNDAY NIGHT...West winds 10 to 20 knots veering northwest after
midnight. Snow showers likely in the evening, then a chance of
snow showers after midnight. Waves building to 2 to 4 feet.
.MONDAY...Northwest winds 15 to 25 knots becoming north 5 to
15 knots. Waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to calm to 2 feet.
.TUESDAY...East winds 5 to 15 knots veering south. Waves calm to
2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-302100-
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 Jan 30 2026

...HEAVY FREEZING SPRAY WARNING IN EFFECT THROUGH LATE TONIGHT...

.EARLY THIS MORNING...North winds 10 to 20 knots. Patchy fog.
Snow showers likely. Waves 3 to 6 feet occasionally to 8 feet.
.TODAY...North winds 15 to 25 knots increasing to 30 knots with a
few gale force gusts to 35 knots possible. Patchy fog in the
morning. Heavy freezing spray. Snow showers likely. Waves
building to 6 to 9 feet occasionally to 11 feet.
.TONIGHT...North winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 15 to 25 knots. Heavy freezing
spray. A chance of snow showers. Waves subsiding to 3 to 6 feet
occasionally to 8 feet.
.SATURDAY...North winds 10 to 20 knots backing northwest by late
morning, then diminishing to 5 to 15 knots by mid afternoon. A
slight chance of snow showers in the morning. Waves subsiding to
calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming south
10 to 20 knots after midnight. Waves building to 1 to 3 feet.
.SUNDAY...South winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. A chance of snow showers in the afternoon.
Waves building to 2 to 4 feet.
.SUNDAY NIGHT...Southwest winds 15 to 25 knots veering west after
midnight. Snow showers likely in the evening, then a chance of
snow showers after midnight. Waves building to 3 to 5 feet
occasionally to 7 feet.
.MONDAY...Northwest winds 15 to 25 knots becoming north 10 to
20 knots. Freezing spray. A chance of snow showers. Waves
building to 3 to 6 feet occasionally to 8 feet, then subsiding to
1 to 3 feet.
.TUESDAY...Northeast winds 10 to 20 knots veering south. Waves
subsiding to calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ267-302100-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
400 AM EST Fri Jan 30 2026

.EARLY THIS MORNING...North winds 10 to 20 knots. A chance of
snow showers. Waves 2 to 4 feet.
.TODAY...North winds 10 to 20 knots increasing to 20 to 30 knots.
A chance of snow showers in the morning, then snow showers likely
in the afternoon. Heavy freezing spray in the afternoon. Waves
building to 3 to 6 feet occasionally to 8 feet.
.TONIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots late. Heavy freezing spray in the evening. A chance of
snow showers in the evening. Waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 2 to 4 feet.
.SATURDAY...North winds 10 to 20 knots becoming northwest 5 to
15 knots by mid afternoon. Waves subsiding to calm to 2 feet.
.SATURDAY NIGHT...West winds 5 to 15 knots backing south after
midnight. Waves calm to 2 feet.
.SUNDAY...South winds 10 to 20 knots. Waves building to 2 to
4 feet.
.SUNDAY NIGHT...Southwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight. A chance of snow showers in the
evening, then snow showers likely after midnight. Waves 2 to
4 feet.
.MONDAY...Northwest winds 10 to 20 knots veering north. A chance
of snow showers. Waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 1 to 3 feet.
.TUESDAY...Northeast winds 5 to 15 knots veering southeast. Waves
subsiding to calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-301500-
MAFOR 3010/
Superior West...HEAVY FREEZING SPRAY WARNING IN EFFECT...12830
14820 11820 11810. A chance of snow showers early this morning.
Waves 3 to 5 feet subsiding to 1 to 3 feet today. Waves 1 to 3
feet tonight.

Superior North Central...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11837 14832 11832 11830 11820. Waves 3 to 6 feet today. Waves 4
to 7 feet subsiding to 3 to 5 feet tonight.

Superior South Central...HEAVY FREEZING SPRAY WARNING IN EFFECT...
11820 11837 11730 12742 11842 11832 11830. Waves 3 to 6 feet
building to 4 to 7 feet today. Waves 5 to 8 feet tonight. Wave
heights are for ice free areas.

Superior East...HEAVY FREEZING SPRAY WARNING IN EFFECT...11820
11830 12837 11847 12830 11820. Waves 2 to 4 feet building to 4 to
7 feet today. Waves 4 to 7 feet subsiding to 3 to 6 feet tonight.

$$

WFO MQT

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