724
FZUS63 KMQT 080835
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
335 AM EST Fri Nov 8 2024

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... Early this morning, 29.5 inch low pressure is moving
through northern Quebec, with height rises over Lake Superior as
ridging builds from a 30.3 inch high pressure ridge centered over
the Plains. The ridge moves over Lake Superior today, building to
30.4 inches over Georgian Bay by Saturday morning. Throughout
Saturday, a 29.7 inch low over Kansas will approach the Upper
Great Lakes, reaching the Straits of Mackinac Sunday evening at
29.6 inches. On Monday, a 29.3 inch low moving over northern
Ontario will pass a 29.7 inch trough over Lake Superior. 30.1 inch
high pressure quickly follows behind the low over the Upper Great
Lakes Monday night, moving east to Quebec on Tuesday.



LSZ162-081645-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
335 AM EST Fri Nov 8 2024 /235 AM CST Fri Nov 8 2024/

.EARLY THIS MORNING...Northwest winds 10 to 20 knots. Waves 3 to
5 feet occasionally to 7 feet subsiding to 2 to 4 feet.
.TODAY...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots by late morning, then backing west by mid afternoon.
Waves subsiding to calm to 2 feet.
.TONIGHT...South winds 5 to 15 knots. Waves calm to 2 feet.
.SATURDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots. A slight chance of rain showers in the afternoon. Waves
building to 2 to 4 feet, then subsiding to 1 to 3 feet.
.SATURDAY NIGHT...South winds 5 to 15 knots backing east after
midnight. A chance of showers in the evening, then showers likely
after midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...East winds 10 to 20 knots veering west in the
afternoon. Rain showers in the morning, then a chance of rain
showers in the afternoon. Waves calm to 2 feet.
.SUNDAY NIGHT...West winds 10 to 20 knots increasing to 15 to
25 knots after midnight. A chance of rain showers. Waves building
to 3 to 5 feet occasionally to 7 feet.
.MONDAY...Northwest winds 20 to 30 knots becoming east 10 to
20 knots. Waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to calm to 2 feet.
.TUESDAY...Southeast winds 15 to 25 knots veering south. A chance
of rain showers. Waves building to 2 to 4 feet.

$$

LSZ263-081645-
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-
335 AM EST Fri Nov 8 2024

.EARLY THIS MORNING...Northwest winds 15 to 25 knots. Waves 5 to
8 feet occasionally to 10 feet.
.TODAY...Northwest winds 15 to 25 knots becoming north 10 to
20 knots by late morning, then becoming northwest 5 to 15 knots
by mid afternoon. Waves subsiding to calm to 2 feet.
.TONIGHT...Southeast winds less than 10 knots becoming south 5 to
15 knots by midnight, then increasing to 10 to 20 knots late.
Waves building to 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots. Waves building to 3 to 5 feet occasionally to 7 feet,
then subsiding to 2 to 4 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots becoming southeast
5 to 15 knots after midnight. A chance of showers. Waves
subsiding to calm to 2 feet.
.SUNDAY...Southeast winds 5 to 15 knots veering west in the
afternoon. Showers. Waves calm to 2 feet.
.SUNDAY NIGHT...West winds 10 to 20 knots increasing to 20 to
30 knots after midnight. A chance of rain showers. Waves building
to 3 to 5 feet occasionally to 7 feet.
.MONDAY...Northwest gales to 35 knots becoming north 15 to
25 knots. Waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to calm to 2 feet.
.TUESDAY...Southeast winds 15 to 25 knots veering south. A chance
of rain showers. Waves building to 2 to 4 feet.

$$

LSZ264-081645-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
335 AM EST Fri Nov 8 2024

.EARLY THIS MORNING...Northwest winds 20 to 30 knots. Waves 6 to
10 feet occasionally to 13 feet.
.TODAY...Northwest winds 15 to 25 knots veering north by late
morning, then becoming northwest 5 to 15 knots by mid afternoon.
Waves subsiding to 2 to 4 feet.
.TONIGHT...North winds 5 to 15 knots veering south by midnight,
then increasing to 10 to 20 knots late. Waves subsiding to calm
to 2 feet, then building to 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots. Waves building to 3 to 6 feet occasionally to 8 feet.
.SATURDAY NIGHT...South winds 5 to 15 knots. A chance of showers.
Waves subsiding to 1 to 3 feet.
.SUNDAY...Southeast winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. Showers likely. Waves 1 to 3 feet.
.SUNDAY NIGHT...West winds 5 to 15 knots increasing to 20 to
30 knots after midnight. A chance of rain showers. Waves
subsiding to calm to 2 feet, then building to 3 to 5 feet
occasionally to 7 feet.
.MONDAY...Northwest gales to 40 knots becoming north 20 to
30 knots. Waves building to 7 to 10 feet occasionally to 13 feet,
then subsiding to 1 to 3 feet.
.TUESDAY...Southeast winds 10 to 20 knots becoming south 15 to
25 knots. A chance of rain showers. Waves subsiding to calm to
2 feet, then building to 3 to 6 feet occasionally to 8 feet.

$$

LSZ265-081645-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
335 AM EST Fri Nov 8 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING...

.EARLY THIS MORNING...West gales to 35 knots. Waves 5 to 8 feet
occasionally to 10 feet.
.TODAY...Northwest gales to 35 knots becoming north 15 to
25 knots by late morning, then diminishing to 10 to 20 knots by
mid afternoon. Waves subsiding to 3 to 5 feet occasionally to
7 feet.
.TONIGHT...North winds 5 to 15 knots veering south by midnight,
then increasing to 10 to 20 knots late. Waves subsiding to calm
to 2 feet.
.SATURDAY...Southwest winds 10 to 20 knots backing south. Waves
calm to 2 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots. A slight chance of
showers in the evening, then showers likely after midnight. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.SUNDAY...Southeast winds 15 to 25 knots becoming south 10 to
20 knots in the afternoon. Showers. Waves building to 1 to
3 feet, then subsiding to calm to 2 feet.
.SUNDAY NIGHT...West winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Showers likely in the evening, then a
chance of showers after midnight. Waves building to 2 to 4 feet.
.MONDAY...Northwest gales to 35 knots becoming north 20 to
30 knots. A chance of rain showers. Waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 2 to 4 feet.
.TUESDAY...Southeast winds 10 to 20 knots becoming south 15 to
25 knots. A chance of rain showers. Waves subsiding to calm to
2 feet, then building to 1 to 3 feet.

$$

LSZ266-081645-
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-
335 AM EST Fri Nov 8 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING...

.EARLY THIS MORNING...Northwest gales to 35 knots. Waves 9 to
12 feet occasionally to 15 feet subsiding to 8 to 11 feet
occasionally to 14 feet.
.TODAY...Northwest gales to 35 knots becoming north 20 to
30 knots by late morning, then diminishing to 15 to 25 knots by
mid afternoon. Waves subsiding to 7 to 10 feet occasionally to
13 feet, then building to 8 to 11 feet occasionally to 14 feet.
.TONIGHT...North winds 10 to 20 knots becoming southeast 5 to
15 knots by midnight, then becoming south 10 to 20 knots late.
Waves subsiding to calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots increasing to 15 to
25 knots. Waves building to 3 to 5 feet occasionally to 7 feet.
.SATURDAY NIGHT...South winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of showers after midnight.
Waves subsiding to 1 to 3 feet.
.SUNDAY...Southeast winds 10 to 20 knots. Showers. Waves building
to 2 to 4 feet, then subsiding to 1 to 3 feet.
.SUNDAY NIGHT...West winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Showers. Waves subsiding to calm to
2 feet, then building to 3 to 5 feet occasionally to 7 feet.
.MONDAY...Northwest gales to 40 knots becoming north 20 to
30 knots. Rain showers, then a chance of rain showers. Waves
building to 10 to 14 feet occasionally to 18 feet, then subsiding
to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...Southeast winds 10 to 20 knots becoming south 15 to
25 knots. A chance of rain showers. Waves subsiding to 1 to
3 feet, then building to 3 to 6 feet occasionally to 8 feet.

$$

LSZ267-081645-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
335 AM EST Fri Nov 8 2024

...GALE WARNING IN EFFECT UNTIL 7 AM EST THIS MORNING...

.EARLY THIS MORNING...Northwest gales to 40 knots. Waves 9 to
12 feet occasionally to 15 feet.
.TODAY...Northwest gales to 35 knots veering north by late
morning, then diminishing to 20 to 30 knots by mid afternoon.
Waves subsiding to 4 to 7 feet occasionally to 9 feet.
.TONIGHT...North winds 10 to 20 knots becoming east 5 to 15 knots
by midnight, then becoming south 10 to 20 knots late. Waves
subsiding to calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots increasing to 15 to
25 knots. Waves building to 2 to 4 feet.
.SATURDAY NIGHT...South winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. A chance of showers after midnight.
Waves subsiding to 1 to 3 feet.
.SUNDAY...Southeast winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. Showers. Waves subsiding to calm to
2 feet.
.SUNDAY NIGHT...West winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Showers. Waves building to 2 to 4 feet.
.MONDAY...Northwest gales to 40 knots becoming north 20 to
30 knots. Rain showers, then a chance of rain showers. Waves
building to 10 to 14 feet occasionally to 18 feet, then subsiding
to 2 to 4 feet.
.TUESDAY...Southeast winds 10 to 20 knots increasing to 15 to
25 knots. A chance of rain showers. Waves subsiding to calm to
2 feet, then building to 3 to 5 feet occasionally to 7 feet.

$$

LSZ261-081645-
MAFOR 0810/
Superior West 11730 11720 11820 11700 11500 11400 12410. Waves 3
to 6 feet subsiding to 1 to 3 feet today. Waves 2 feet or less
tonight.

Superior North Central 12740 11830 11820 11710 11800 11300 11420.
Waves 5 to 9 feet subsiding to 3 to 5 feet today. Waves 2 to 4
feet subsiding to 1 to 2 feet tonight.

Superior South Central...GALE WARNING IN EFFECT...13740 11830
11820 11810 11200 11410. Waves 5 to 9 feet subsiding to 4 to 7
feet today. Waves 3 to 5 feet subsiding to 1 to 3 feet tonight.

Superior East...GALE WARNING IN EFFECT...11750 11740 11840 11830
11820 11810 11100 11310. Waves 8 to 12 feet subsiding to 5 to 8
feet today. Waves 3 to 6 feet subsiding to 1 to 3 feet tonight.

$$

LC

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weather.gov/mqt/glftable

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weather.gov/greatlakes