742
FZUS63 KMQT 030301
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
1000 PM EST Fri Jan 2 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 weakening 29.4 inch low is stalled over Hudson Bay this evening
with a 30.1 inch ridge extending over the Upper Midwest. This
pattern remains fairly stable through Saturday as another strong
Hudson Bay low sets up at 29.0 inches while ridging averaging 30.1
inches remains over the Upper Mississippi Valley. A stronger ridge
of 30.2 inches builds into the Great Lakes on Sunday and moves east
Sunday night through Monday as a 29.8 low builds into the Upper
Great Lakes. A second low around 29.7 inches is expected to impact
the Upper Great Lakes on Tuesday. Weak ridging around 29.9 inches
may push back into the Upper Great Lakes on Wednesday.


LSZ162-030900-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1000 PM EST Fri Jan 2 2026 /900 PM CST Fri Jan 2 2026/

.REST OF TONIGHT...Northwest winds 10 to 20 knots. Snow showers
likely after midnight. Waves 2 to 4 feet subsiding to calm to
2 feet.
.SATURDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. Snow showers in the morning, then a
chance of snow showers in the afternoon. Waves building to 1 to
3 feet.
.SATURDAY NIGHT...Northwest winds 10 to 20 knots diminishing to
5 to 15 knots by midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...Northwest winds 5 to 15 knots backing southeast in the
afternoon. A chance of snow showers in the afternoon. Waves calm
to 2 feet.
.SUNDAY NIGHT...Southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. Snow showers in the evening, then a
chance of snow showers after midnight. Waves calm to 2 feet.
.MONDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.
.MONDAY NIGHT...Southwest winds 5 to 15 knots veering west after
midnight. Waves calm to 2 feet.
.TUESDAY...West winds 5 to 15 knots increasing to 10 to 20 knots.
Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ263-030900-
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-
1000 PM EST Fri Jan 2 2026

.REST OF TONIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots by midnight. A chance of snow showers after
midnight. Waves 3 to 6 feet occasionally to 8 feet subsiding to
2 to 4 feet.
.SATURDAY...Northwest winds 10 to 20 knots. Snow showers. Waves
subsiding to 1 to 3 feet, then building to 2 to 4 feet.
.SATURDAY NIGHT...Northwest winds 10 to 20 knots. A slight chance
of snow showers. Waves subsiding to 1 to 3 feet.
.SUNDAY...Northwest winds 5 to 15 knots backing southeast in the
afternoon. A slight chance of snow showers in the afternoon.
Waves subsiding to calm to 2 feet.
.SUNDAY NIGHT...Southeast winds 5 to 15 knots veering south after
midnight. Snow showers in the evening, then a chance of snow
showers after midnight. Waves building to 1 to 3 feet, then
subsiding to calm to 2 feet.
.MONDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.
.MONDAY NIGHT...Southwest winds 5 to 15 knots. Waves calm to
2 feet.
.TUESDAY...West winds 10 to 20 knots. Waves building to 1 to
3 feet, then subsiding to calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ264-030900-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1000 PM EST Fri Jan 2 2026

.REST OF TONIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots late. Freezing spray late in the evening. A chance
of snow showers after midnight. Waves 4 to 7 feet occasionally to
9 feet subsiding to 3 to 5 feet occasionally to 7 feet.
.SATURDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. A chance of snow showers in the
morning, then snow showers in the afternoon. Waves subsiding to
2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.
.SATURDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots late. A slight chance of snow showers. Waves
subsiding to 2 to 4 feet.
.SUNDAY...Northwest winds 10 to 20 knots becoming west 5 to
15 knots in the afternoon. Waves subsiding to calm to 2 feet.
.SUNDAY NIGHT...Southeast winds 10 to 20 knots veering south
after midnight. Snow showers likely. Waves building to 2 to
4 feet.
.MONDAY...Southwest winds 5 to 15 knots. Waves subsiding to calm
to 2 feet.
.MONDAY NIGHT...Southwest winds 5 to 15 knots. Waves calm to
2 feet.
.TUESDAY...Southwest winds 10 to 20 knots veering west. Waves
building to 1 to 3 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots. Waves subsiding to
calm to 2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ265-030900-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1000 PM EST Fri Jan 2 2026

.REST OF TONIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots late. Freezing spray late in the evening. A slight
chance of snow showers after midnight. Waves 4 to 7 feet
occasionally to 9 feet subsiding to 3 to 5 feet occasionally to
7 feet.
.SATURDAY...Northwest winds 15 to 25 knots increasing 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 2 to 4 feet, then building to 3 to 5 feet occasionally to
7 feet.
.SATURDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots late. A chance of snow showers. Waves building to
3 to 6 feet occasionally to 8 feet, then subsiding to 2 to
4 feet.
.SUNDAY...Northwest winds 10 to 20 knots backing west in the
afternoon. Waves subsiding to calm to 2 feet.
.SUNDAY NIGHT...South winds 10 to 20 knots. Snow showers. Waves
building to 1 to 3 feet.
.MONDAY...Southwest winds 10 to 20 knots. Waves subsiding to calm
to 2 feet.
.MONDAY NIGHT...Southwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. Waves calm to 2 feet.
.TUESDAY...Southwest winds 10 to 20 knots becoming west 15 to
25 knots. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots. Waves calm to
2 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ266-030900-
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-
1000 PM EST Fri Jan 2 2026

.REST OF TONIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots late. Freezing spray. A chance of snow showers.
Waves 7 to 10 feet occasionally to 13 feet subsiding to 4 to
7 feet occasionally to 9 feet.
.SATURDAY...Northwest winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. Freezing spray. A chance of snow
showers in the morning. Snow showers in the afternoon. Waves
subsiding to 3 to 6 feet occasionally to 8 feet.
.SATURDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots late. Freezing spray. 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...Northwest winds 10 to 20 knots backing west in the
afternoon. A slight chance of snow showers in the morning. Waves
subsiding to 1 to 3 feet.
.SUNDAY NIGHT...South winds 15 to 25 knots. A chance of snow
showers in the evening, then snow showers after midnight. Waves
subsiding to calm to 2 feet, then building to 3 to 5 feet
occasionally to 7 feet.
.MONDAY...South winds 10 to 20 knots veering southwest in the
afternoon. A chance of snow showers in the morning. Waves
subsiding to calm to 2 feet.
.MONDAY NIGHT...Southwest winds 10 to 20 knots. Waves calm to
2 feet.
.TUESDAY...Southwest winds 10 to 20 knots veering west. A chance
of rain showers. Waves building to 2 to 4 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots backing south. Waves
subsiding to 1 to 3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ267-030900-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1000 PM EST Fri Jan 2 2026

.REST OF TONIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots by midnight. Freezing spray. Snow showers likely
late in the evening. A chance of snow showers after midnight.
Waves 7 to 10 feet occasionally to 13 feet subsiding to 4 to
7 feet occasionally to 9 feet.
.SATURDAY...Northwest winds 15 to 25 knots. Freezing spray. Snow
showers. Waves subsiding to 3 to 6 feet occasionally to 8 feet,
then building to 4 to 7 feet occasionally to 9 feet.
.SATURDAY NIGHT...Northwest winds 20 to 30 knots veering north by
midnight, then diminishing to 15 to 25 knots late. Freezing
spray. Snow showers likely. Waves subsiding to 3 to 6 feet
occasionally to 8 feet.
.SUNDAY...Northwest winds 10 to 20 knots. A slight chance of snow
showers in the morning. Waves subsiding to 1 to 3 feet.
.SUNDAY NIGHT...South winds 10 to 20 knots increasing to 15 to
25 knots after midnight. A chance of snow showers in the evening,
then snow showers after midnight. Waves subsiding to calm to
2 feet, then building to 2 to 4 feet.
.MONDAY...South winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. A chance of snow showers. Waves
subsiding to calm to 2 feet.
.MONDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. Waves calm to 2 feet.
.TUESDAY...South winds 10 to 20 knots veering west. A chance of
snow showers, possibly mixed with rain. Waves building to 2 to
4 feet.
.WEDNESDAY...Southwest winds 10 to 20 knots backing south. Waves
subsiding to 1 to 3 feet.

Note, wave height forecasts are for ice free areas.

$$

LSZ261-030900-
MAFOR 0304/
Superior West 12720 13727 13720. Waves 3 to 5 feet subsiding to 1
to 3 feet overnight. Waves 1 to 3 feet Saturday. Waves 2 to 4
feet subsiding to 1 to 3 feet Saturday evening.

Superior North Central 13730 13737 12730. Waves 4 to 7 feet
subsiding to 3 to 5 feet overnight. Waves 3 to 5 feet Saturday
and Saturday evening.

Superior South Central 11740 12730 13737 12730. Waves 5 to 8 feet
overnight. Waves 3 to 6 feet Saturday and Saturday evening.

Superior East 13730 11727 14737. Waves 5 to 9 feet overnight.
Waves 4 to 7 feet Saturday and Saturday 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