612
FZUS63 KMQT 020801
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
400 AM EDT Tue Jun 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...

High pressure of 30.4 inches centered over Lake Superior this
morning weakens to 30.3 inches over Lower Michigan tonight, then
continues to weaken to 30.2 inches over the Lower Great Lakes
through Wednesday night. Meanwhile, a 29.8 inch trough approaches
from the northwest, moving over Lake Superior on Thursday. Troughing
persists over the lake through Friday. Weak ridging of 30.0 inches
returns this weekend.



LSZ162-022000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
401 AM EDT Tue Jun 2 2026 /301 AM CDT Tue Jun 2 2026/

.EARLY THIS MORNING...Northeast winds 5 to 15 knots. Waves calm
to 2 feet.
.TODAY...East winds 5 to 15 knots backing northeast in the
afternoon. Waves calm to 2 feet.
.TONIGHT...Northeast winds 5 to 15 knots becoming north less than
10 knots after midnight, then becoming southwest 5 to 15 knots
late. Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots backing southeast
late. Waves calm to 2 feet.
.WEDNESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. A chance of showers and a slight chance of
thunderstorms after midnight. Waves calm to 2 feet.
.THURSDAY...Southwest winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. A chance of showers. Waves calm to
2 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots veering west
after midnight. A chance of rain showers. Waves calm to 2 feet.
.FRIDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet.
.SATURDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet.

$$

LSZ263-022000-
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-
401 AM EDT Tue Jun 2 2026

.EARLY THIS MORNING...East winds 5 to 15 knots. Waves calm to
2 feet.
.TODAY...East winds 5 to 15 knots. Waves calm to 2 feet.
.TONIGHT...East winds 5 to 15 knots veering southwest after
midnight. Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. Waves building to 1 to 3 feet, then
subsiding to calm to 2 feet.
.WEDNESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight. A chance of showers and a slight chance of
thunderstorms after midnight. Waves building to 1 to 3 feet.
.THURSDAY...Southwest winds 10 to 20 knots. A chance of showers.
Waves 1 to 3 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots veering west
after midnight. A chance of rain showers. Waves subsiding to calm
to 2 feet.
.FRIDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet.
.SATURDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet.

$$

LSZ264-022000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
401 AM EDT Tue Jun 2 2026

.EARLY THIS MORNING...East winds less than 10 knots. Waves calm
to 2 feet.
.TODAY...East winds less than 10 knots becoming southeast 5 to
15 knots late. Waves calm to 2 feet.
.TONIGHT...Southeast winds 5 to 15 knots veering southwest late.
Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots. Waves building to
1 to 3 feet, then subsiding to calm to 2 feet.
.WEDNESDAY NIGHT...South winds 5 to 15 knots. A slight chance of
showers after midnight. Waves building to 1 to 3 feet.
.THURSDAY...Southwest winds 5 to 15 knots. A chance of showers.
Waves 1 to 3 feet.
.THURSDAY NIGHT...Southwest winds 5 to 15 knots veering west
after midnight. A chance of rain showers. Waves subsiding to calm
to 2 feet, then building to 1 to 3 feet.
.FRIDAY...Northeast winds 5 to 15 knots veering east. Waves calm
to 2 feet.
.SATURDAY...East winds 5 to 15 knots. Waves calm to 2 feet.

$$

LSZ265-022000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
401 AM EDT Tue Jun 2 2026

.EARLY THIS MORNING...South winds less than 10 knots. Waves calm
to 2 feet.
.TODAY...North winds less than 10 knots becoming east 5 to
15 knots in the afternoon, then becoming southeast 10 to 20 knots
late. Waves calm to 2 feet.
.TONIGHT...Southeast winds 5 to 15 knots becoming south 10 to
20 knots after midnight, then veering southwest late. Waves calm
to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots backing southeast in
the afternoon, then increasing to 10 to 20 knots late. Waves calm
to 2 feet.
.WEDNESDAY NIGHT...South winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. Waves calm to 2 feet.
.THURSDAY...South winds 10 to 20 knots. Showers likely through
early afternoon. A chance of showers by mid afternoon. Waves calm
to 2 feet.
.THURSDAY NIGHT...South winds 10 to 20 knots veering west after
midnight. A chance of showers. Waves calm to 2 feet.
.FRIDAY...Northeast winds 5 to 15 knots veering east. Waves calm
to 2 feet.
.SATURDAY...East winds 5 to 15 knots. Waves calm to 2 feet.

$$

LSZ266-022000-
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-
401 AM EDT Tue Jun 2 2026

.EARLY THIS MORNING...North winds less than 10 knots. Waves calm
to 2 feet.
.TODAY...North winds less than 10 knots becoming east 5 to
15 knots in the afternoon, then veering southeast late. Waves
calm to 2 feet.
.TONIGHT...Southeast winds 5 to 15 knots veering southwest late.
Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots backing southeast
late. Waves calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Waves building to 2 to 4 feet.
.THURSDAY...South winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. Showers likely through early
afternoon. A chance of showers by mid afternoon. Waves subsiding
to calm to 2 feet.
.THURSDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. A chance of rain showers. Waves calm to 2 feet.
.FRIDAY...Northeast winds 5 to 15 knots veering east. Waves calm
to 2 feet.
.SATURDAY...East winds 5 to 15 knots backing northeast. Waves
calm to 2 feet.

$$

LSZ267-022000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
401 AM EDT Tue Jun 2 2026

.EARLY THIS MORNING...North winds 5 to 15 knots. Waves calm to
2 feet.
.TODAY...Northwest winds 5 to 15 knots backing west late. Waves
calm to 2 feet.
.TONIGHT...Southeast winds less than 10 knots becoming south 5 to
15 knots after midnight. Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots backing east late.
Waves calm to 2 feet.
.WEDNESDAY NIGHT...South winds 10 to 20 knots. Waves building to
2 to 4 feet.
.THURSDAY...South winds 10 to 20 knots. Waves subsiding to calm
to 2 feet.
.THURSDAY NIGHT...South winds 10 to 20 knots veering southwest
after midnight. A chance of rain showers. Waves calm to 2 feet.
.FRIDAY...North winds 5 to 15 knots veering east. Waves calm to
2 feet.
.SATURDAY...East winds 5 to 15 knots. Waves calm to 2 feet.

$$

LSZ261-021400-
MAFOR 0209/
Superior West 11210 12200 12100 11200 11100 11700. Waves 2 feet
or less.

Superior North Central 11300 11100 11200 12300 11310 11410 11510.
Waves 1 foot or less.

Superior South Central 11400 11700 12200 12310 11410 11510. Waves
1 foot or less.

Superior East 11100 11800 11700 12600 11500 11400 11410. Waves 1
foot or less.

$$

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