714
FZUS63 KMQT 070832
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
332 AM EST Thu Nov 7 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, 30.3 ridging is extending over
Lake Michigan with a 29.4 inch low heading towards Hudson Bay.
This low will pass a 29.9 inch trough over Lake Superior tonight
into Friday while ridging south of Lake Superior weakens to 30.1
inches. Friday into Friday night, 30.3 inch high pressure will
move over Lake Superior, 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. Monday, a 29.3 inch low moving over
northern Ontario will pass a 29.7 inch trough over Lake Superior.


LSZ162-071645-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
332 AM EST Thu Nov 7 2024 /232 AM CST Thu Nov 7 2024/

...GALE WARNING IN EFFECT FROM 2 PM EST /1 PM CST/ THIS AFTERNOON
THROUGH LATE TONIGHT...

.EARLY THIS MORNING...West winds 15 to 25 knots. Waves 2 to
4 feet.
.TODAY...West winds 15 to 25 knots increasing to 20 to 30 knots
by late morning, then becoming southwest gales to 35 knots by mid
afternoon. Waves building to 7 to 10 feet occasionally to
13 feet.
.TONIGHT...West gales to 40 knots diminishing to 15 to 25 knots
late. Waves building to 8 to 11 feet occasionally to 14 feet,
then subsiding to 3 to 5 feet occasionally to 7 feet.
.FRIDAY...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots by late morning, then backing southwest by mid
afternoon. Waves subsiding to calm to 2 feet.
.FRIDAY NIGHT...South winds 5 to 15 knots. Waves calm to 2 feet.
.SATURDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots 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...Northeast winds 10 to 20 knots backing west. A chance
of showers. Waves building to 2 to 4 feet.
.MONDAY...West winds 15 to 25 knots becoming east 10 to 20 knots.
Waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to calm to 2 feet.

$$

LSZ263-071645-
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-
332 AM EST Thu Nov 7 2024

...GALE WARNING IN EFFECT FROM 2 PM EST THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...West winds 15 to 25 knots. Waves 2 to
4 feet building to 3 to 5 feet occasionally to 7 feet.
.TODAY...West winds 15 to 25 knots increasing to 20 to 30 knots
by late morning, then becoming southwest gales to 40 knots by mid
afternoon. Waves building to 10 to 14 feet occasionally to
18 feet.
.TONIGHT...West gales to 40 knots diminishing to 20 to 30 knots
late. Waves subsiding to 5 to 8 feet occasionally to 10 feet.
.FRIDAY...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.
.FRIDAY NIGHT...South winds 5 to 15 knots increasing to 10 to
20 knots after midnight. Waves building to 1 to 3 feet.
.SATURDAY...Southwest winds 15 to 25 knots. Waves building to
2 to 4 feet, then subsiding to 1 to 3 feet.
.SATURDAY NIGHT...Southwest winds 10 to 20 knots becoming south
5 to 15 knots after midnight. A chance of showers. Waves
subsiding to calm to 2 feet.
.SUNDAY...East winds 5 to 15 knots becoming west 10 to 20 knots.
A chance of showers. Waves building to 2 to 4 feet.
.MONDAY...West winds 15 to 25 knots becoming north 10 to
20 knots. Waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to calm to 2 feet.

$$

LSZ264-071645-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
332 AM EST Thu Nov 7 2024

...GALE WARNING IN EFFECT FROM 2 PM EST THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...West winds 15 to 25 knots. Waves 2 to
4 feet.
.TODAY...West winds 15 to 25 knots increasing to gales to
45 knots. Waves building to 10 to 14 feet occasionally to
18 feet.
.TONIGHT...West gales to 45 knots diminishing to 20 to 30 knots
late. Waves building to 12 to 17 feet occasionally to 21 feet,
then subsiding to 6 to 9 feet occasionally to 11 feet.
.FRIDAY...Northwest winds 15 to 25 knots becoming north 10 to
20 knots by late morning, then diminishing to 5 to 15 knots by
mid afternoon. Waves subsiding to 2 to 4 feet.
.FRIDAY NIGHT...North winds 5 to 15 knots veering south after
midnight. Waves subsiding to calm to 2 feet, then building to
1 to 3 feet.
.SATURDAY...Southwest winds 15 to 25 knots. Waves building to
3 to 5 feet occasionally to 7 feet, then subsiding to 2 to
4 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots backing south
after midnight. A chance of showers. Waves subsiding to calm to
2 feet.
.SUNDAY...East winds 5 to 15 knots becoming west 10 to 20 knots.
Showers likely. Waves building to 2 to 4 feet.
.MONDAY...West winds 15 to 25 knots becoming north 10 to
20 knots. Waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 1 to 3 feet.

$$

LSZ265-071645-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
332 AM EST Thu Nov 7 2024

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
MORNING...

.EARLY THIS MORNING...West winds 15 to 25 knots. Waves 2 to
4 feet.
.TODAY...West winds 15 to 25 knots increasing to gales to
35 knots. Waves building to 5 to 8 feet occasionally to 10 feet.
.TONIGHT...West gales to 40 knots. Waves building to 7 to 10 feet
occasionally to 13 feet, then subsiding to 4 to 7 feet
occasionally to 9 feet.
.FRIDAY...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots by late morning, then becoming north 10 to 20 knots by
mid afternoon. Waves subsiding to 2 to 4 feet.
.FRIDAY NIGHT...North winds 5 to 15 knots veering south after
midnight. Waves subsiding to calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots. Waves building to 1 to
3 feet, then subsiding to calm to 2 feet.
.SATURDAY NIGHT...South winds 10 to 20 knots. A chance of showers
in the evening, then showers likely after midnight. Waves calm to
2 feet.
.SUNDAY...Southeast winds 10 to 20 knots veering northwest.
Showers, then a chance of showers. Waves building to 1 to 3 feet.
.MONDAY...West winds 15 to 25 knots becoming northwest 10 to
20 knots. Waves subsiding to calm to 2 feet.

$$

LSZ266-071645-
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-
332 AM EST Thu Nov 7 2024

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
MORNING...

.EARLY THIS MORNING...West winds 15 to 25 knots. Waves 2 to
4 feet building to 3 to 5 feet occasionally to 7 feet.
.TODAY...West winds 15 to 25 knots increasing to gales to
40 knots. Waves building to 10 to 14 feet occasionally to
18 feet.
.TONIGHT...West gales to 45 knots. Waves building to 12 to
17 feet occasionally to 21 feet, then subsiding to 8 to 11 feet
occasionally to 14 feet.
.FRIDAY...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 4 to 7 feet occasionally to
9 feet.
.FRIDAY NIGHT...North winds 5 to 15 knots veering south after
midnight. Waves subsiding to calm to 2 feet.
.SATURDAY...South winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. 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. Showers likely
after midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...Southeast winds 10 to 20 knots veering northwest.
Showers, then a chance of showers. Waves building to 1 to 3 feet,
then subsiding to calm to 2 feet.
.MONDAY...West winds 15 to 25 knots becoming north 10 to
20 knots. A chance of rain showers. Waves building to 3 to 6 feet
occasionally to 8 feet, then subsiding to 2 to 4 feet.

$$

LSZ267-071645-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
332 AM EST Thu Nov 7 2024

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH FRIDAY
MORNING...

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

$$

LSZ261-071645-
MAFOR 0710/
Superior West...GALE WARNING IN EFFECT...12630 11640 12550 12650
11640. Waves 2 to 4 feet building to 7 to 10 feet today. Waves 7
to 11 feet subsiding to 5 to 8 feet tonight.

Superior North Central...GALE WARNING IN EFFECT...12630 11640
11650 12670 11660 11650. Waves 3 to 5 feet building to 10 to 13
feet today. Waves 12 to 17 feet subsiding to 9 to 12 feet
tonight.

Superior South Central...GALE WARNING IN EFFECT...12630 12640
11650 11660 12650. Waves 2 to 4 feet building to 4 to 7 feet
today. Waves 6 to 9 feet building to 8 to 12 feet, then subsiding
to 7 to 10 feet tonight.

Superior East...GALE WARNING IN EFFECT...13630 11640 14650. Waves
3 to 5 feet building to 7 to 10 feet today. Waves 8 to 11 feet
building to 10 to 14 feet tonight.

$$

LC

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weather.gov/mqt/glftable

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weather.gov/greatlakes