Great Lakes Forecast
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FZUS63 KMQT 011405
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
1005 AM EDT Fri Jul 1 2022

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...The pressure will be around 29.9 inches today across
Lake Superior with weak ridging building in to start off this
holiday weekend. The pressure will build to 30.1 inches on
Saturday into early Sunday, dropping back off to around 29.9
inches by Monday. The pressure across the Upper Great Lakes region
will then waffle around 29.9 to 30.0 inches well into the heart of
next week as an ill-defined pattern emerges.

&&

LSZ162-012215-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1005 AM EDT Fri Jul 1 2022 /905 AM CDT Fri Jul 1 2022/

.REST OF TODAY...Southwest winds 5 to 15 knots increasing to
10 to 20 knots in the afternoon, then veering west late.
Sprinkles. Waves calm to 2 feet building to 1 to 3 feet.
.TONIGHT...West winds 10 to 20 knots veering northwest after
midnight, then becoming west 5 to 15 knots late. Waves subsiding
to calm to 2 feet.
.SATURDAY...West winds 5 to 15 knots backing southwest in the
afternoon, then increasing to 10 to 20 knots late. Waves building
to 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots veering west
after midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots becoming east 10 to 20 knots
by mid afternoon. A slight chance of showers by mid afternoon.
Waves calm to 2 feet.
.SUNDAY NIGHT...East winds 10 to 20 knots becoming northeast 5 to
15 knots after midnight. A chance of showers. Waves calm to
2 feet.
.MONDAY...Northeast winds 10 to 20 knots. A chance of showers and
thunderstorms. Waves calm to 2 feet.
.TUESDAY...Northeast winds 10 to 20 knots. A chance of rain
showers. Waves calm to 2 feet.

$$

LSZ263-012215-
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-
1005 AM EDT Fri Jul 1 2022

.REST OF TODAY...Southwest winds 10 to 20 knots increasing to
15 to 25 knots late. Sprinkles by mid afternoon. Waves calm to
2 feet building to 1 to 3 feet.
.TONIGHT...West winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves building to 2 to 4 feet, then
subsiding to 1 to 3 feet.
.SATURDAY...West winds 10 to 20 knots becoming southwest 5 to
15 knots in the afternoon, then increasing to 10 to 20 knots
late. Waves 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots. Waves subsiding
to calm to 2 feet.
.SUNDAY...Southwest winds 5 to 15 knots backing east by mid
afternoon. A slight chance of rain showers by mid afternoon.
Waves calm to 2 feet.
.SUNDAY NIGHT...Southeast winds 10 to 20 knots becoming south
5 to 15 knots after midnight. A chance of showers. Waves calm to
2 feet.
.MONDAY...East winds 10 to 20 knots becoming northeast 5 to
15 knots. A chance of rain showers. Waves calm to 2 feet.
.TUESDAY...Northeast winds 5 to 15 knots. Waves calm to 2 feet.

$$

LSZ264-012215-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1005 AM EDT Fri Jul 1 2022

.REST OF TODAY...Southwest winds 5 to 15 knots increasing to
10 to 20 knots in the afternoon. Waves calm to 2 feet building to
1 to 3 feet.
.TONIGHT...West winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight, then increasing to 10 to 20 knots late. Waves
building to 2 to 4 feet.
.SATURDAY...West winds 10 to 20 knots backing southwest late.
Waves 2 to 4 feet.
.SATURDAY NIGHT...West winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...Southwest winds 5 to 15 knots backing south by mid
afternoon. A slight chance of rain showers by mid afternoon.
Waves calm to 2 feet.
.SUNDAY NIGHT...Southeast winds 5 to 15 knots veering south after
midnight. A chance of rain showers. Waves calm to 2 feet.
.MONDAY...Southeast winds 5 to 15 knots backing northeast. Waves
calm to 2 feet.
.TUESDAY...Northeast winds 5 to 15 knots veering east. Waves calm
to 2 feet.

$$

LSZ265-012215-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1005 AM EDT Fri Jul 1 2022

.REST OF TODAY...West winds 10 to 20 knots backing southwest in
the afternoon. Sprinkles by mid afternoon. Waves calm to 2 feet.
.TONIGHT...West winds 10 to 20 knots. Waves building to 1 to
3 feet.
.SATURDAY...West winds 10 to 20 knots. Waves subsiding to calm to
2 feet.
.SATURDAY NIGHT...West winds 5 to 15 knots backing southwest
after midnight. Waves calm to 2 feet.
.SUNDAY...Southwest winds 5 to 15 knots becoming east 10 to
20 knots by mid afternoon. A slight chance of showers by mid
afternoon. Waves calm to 2 feet.
.SUNDAY NIGHT...Southeast winds 10 to 20 knots veering south
after midnight. A chance of showers. Waves calm to 2 feet.
.MONDAY...East winds 10 to 20 knots diminishing to 5 to 15 knots.
A chance of showers. Waves calm to 2 feet.
.TUESDAY...Northeast winds 10 to 20 knots becoming east 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ266-012215-
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-
1005 AM EDT Fri Jul 1 2022

.REST OF TODAY...West winds 10 to 20 knots becoming southwest
5 to 15 knots in the afternoon, then increasing to 10 to 20 knots
late. Waves 1 to 3 feet subsiding to calm to 2 feet, then
building to 1 to 3 feet.
.TONIGHT...West winds 10 to 20 knots increasing to 15 to 25 knots
late. Waves building to 2 to 4 feet.
.SATURDAY...West winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves 2 to 4 feet.
.SATURDAY NIGHT...West winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...Southwest winds 5 to 15 knots backing east by mid
afternoon. Waves calm to 2 feet.
.SUNDAY NIGHT...Southeast winds 10 to 20 knots veering south
after midnight. A chance of showers. Waves calm to 2 feet.
.MONDAY...Southeast winds 5 to 15 knots backing northeast. Waves
calm to 2 feet.
.TUESDAY...North winds 10 to 20 knots diminishing to 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ267-012215-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1005 AM EDT Fri Jul 1 2022

.REST OF TODAY...West winds 10 to 20 knots backing southwest
late. Patchy fog. Waves calm to 2 feet.
.TONIGHT...Southwest winds 5 to 15 knots becoming west 10 to
20 knots after midnight. Waves building to 1 to 3 feet.
.SATURDAY...West winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves building to 2 to 4 feet, then subsiding to
1 to 3 feet.
.SATURDAY NIGHT...West winds 5 to 15 knots backing southwest
after midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...West winds 5 to 15 knots backing east by mid afternoon.
Waves calm to 2 feet.
.SUNDAY NIGHT...Southeast winds 5 to 15 knots becoming south
10 to 20 knots after midnight. A chance of showers. Waves calm to
2 feet.
.MONDAY...East winds 5 to 15 knots becoming north 10 to 20 knots.
A chance of showers. Waves calm to 2 feet.
.TUESDAY...North winds 10 to 20 knots becoming northeast 5 to
15 knots. Waves calm to 2 feet.

$$

LSZ261-012215-
MAFOR 0115/
Superior West 11510 11520 12620 11720 11710 12610. Waves 1 to 3
feet.

Superior North Central 13520 14620 11620. Waves 2 to 4 feet.

Superior South Central 11610 12510 11620 12610 12620. Waves 2
feet or less this afternoon. Waves 1 to 3 feet tonight and
Saturday morning.

Superior East 11610 13510 12610 12620. Waves 2 to 4 feet.

$$

lg

Experimental modernized open lake forecast is available online at
weather.gov/mqt/glftable

Graphical marine forecasts are available online at:
weather.gov/greatlakes


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