707
FZUS63 KMQT 092048
GLFLS

Open Lake Forecast for Lake Superior
National Weather Service Marquette MI
348 PM EST Sat Nov 9 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...A 30.4 inch high pressure shifts east over the
northeastern states this evening through tonight. Meanwhile, a
29.8 inch low pressure over Nebraska will lift northeast through
tonight, reaching northern Lake Michigan late Sunday as a 29.6
inch low. A second low of 29.6 inches emerging from southern
Manitoba late Sunday will deepen to 29.4 inches as it tracks
across northern Ontario Sunday night and Monday. In its wake, high
pressure will build from 30.1 inches to 30.4 inches as it moves
from the Northern Plains Monday afternoon into the Upper Great
Lakes Monday night and then into southern Quebec Tuesday night. To
the west, a 29.6 inch trough emerges over the Northern Plains on
Tuesday. The trough then lifts northeast over Manitoba/northern
Ontario Wednesday and Wednesday night, dragging a 29.8 inch trough
over Lake Superior Wednesday afternoon through Wednesday night. A
30.1 inch ridge emerges from the Plains Wednesday night, moving
into the Great Lakes for Thursday.

LSZ162-100500-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
348 PM EST Sat Nov 9 2024 /248 PM CST Sat Nov 9 2024/

...GALE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
AFTERNOON...

.LATE THIS AFTERNOON...South winds 10 to 20 knots. Waves 1 to
3 feet.
.TONIGHT...South winds 5 to 15 knots backing east late. A chance
of showers. Waves subsiding to calm to 2 feet.
.SUNDAY...East winds 10 to 20 knots becoming northeast 5 to
15 knots by late morning, then backing north by mid afternoon. A
chance of showers. Waves calm to 2 feet.
.SUNDAY NIGHT...West winds 10 to 20 knots increasing to gales to
35 knots. Waves building to 4 to 7 feet occasionally to 9 feet.
.MONDAY...Northwest gales to 35 knots becoming north 20 to
30 knots in the afternoon. Waves building to 6 to 9 feet
occasionally to 11 feet, then subsiding to 2 to 4 feet.
.MONDAY NIGHT...North winds 10 to 20 knots becoming southeast
5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
.TUESDAY...South winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. Waves building to 2 to 4 feet.
.TUESDAY NIGHT...South winds 15 to 25 knots. A chance of showers
after midnight. Waves building to 3 to 5 feet occasionally to
7 feet.
.WEDNESDAY...Southwest winds 20 to 30 knots becoming west 15 to
25 knots. Rain showers, then a chance of rain showers. Waves
subsiding to 1 to 3 feet.
.THURSDAY...West winds 10 to 20 knots backing south. Waves
subsiding to calm to 2 feet.

$$

LSZ263-100500-
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-
348 PM EST Sat Nov 9 2024

...GALE WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH MONDAY
AFTERNOON...

.LATE THIS AFTERNOON...South winds 15 to 25 knots. Waves 2 to
4 feet.
.TONIGHT...South winds 10 to 20 knots diminishing to 5 to
15 knots by midnight. A chance of showers. Waves subsiding to
calm to 2 feet.
.SUNDAY...Southeast winds 5 to 15 knots backing east by late
morning, then backing north by mid afternoon. A chance of
showers. Waves calm to 2 feet.
.SUNDAY NIGHT...Northwest winds 5 to 15 knots becoming west 15 to
25 knots by midnight, then increasing to gales to 35 knots late.
Waves building to 5 to 8 feet occasionally to 10 feet.
.MONDAY...Northwest gales to 40 knots becoming north gales to
35 knots in the afternoon. A slight chance of rain and snow
showers in the morning. Waves building to 8 to 11 feet
occasionally to 14 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet.
.MONDAY NIGHT...North winds 10 to 20 knots becoming east 5 to
15 knots after midnight. Waves subsiding to calm to 2 feet.
.TUESDAY...South winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. Waves building to 2 to 4 feet.
.TUESDAY NIGHT...South winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. Waves building to 3 to 5 feet
occasionally to 7 feet.
.WEDNESDAY...Southwest winds 15 to 25 knots veering west. Rain
showers likely, then a chance of rain showers. Waves subsiding to
2 to 4 feet.
.THURSDAY...West winds 10 to 20 knots becoming south 5 to
15 knots. Waves subsiding to calm to 2 feet.

$$

LSZ264-100500-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
348 PM EST Sat Nov 9 2024

...GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...

.LATE THIS AFTERNOON...South winds 15 to 25 knots. Waves 3 to 5
feet occasionally to 7 feet subsiding to 2 to 4 feet.
.TONIGHT...South winds 10 to 20 knots veering southwest by
midnight, then becoming south 5 to 15 knots late. A slight chance
of showers after midnight. Waves subsiding to calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots backing southeast. A chance
of showers in the morning, then showers likely in the afternoon.
Waves calm to 2 feet.
.SUNDAY NIGHT...Northwest winds 5 to 15 knots becoming west 15 to
25 knots by midnight, then increasing to gales to 35 knots late.
A slight chance of showers. Waves building to 5 to 8 feet
occasionally to 10 feet.
.MONDAY...Northwest gales to 45 knots becoming north gales to
40 knots in the afternoon. A slight chance of rain and snow
showers. Waves building to 11 to 15 feet occasionally to 19 feet,
then subsiding to 8 to 11 feet occasionally to 14 feet.
.MONDAY NIGHT...North winds 15 to 25 knots diminishing to 5 to
15 knots after midnight. Waves subsiding to calm to 2 feet.
.TUESDAY...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.
.TUESDAY NIGHT...South winds 15 to 25 knots increasing to 20 to
30 knots after midnight. Waves building to 5 to 8 feet
occasionally to 10 feet.
.WEDNESDAY...South winds 20 to 30 knots becoming west 15 to
25 knots. Rain showers likely. Waves subsiding to 2 to 4 feet.
.THURSDAY...West winds 10 to 20 knots becoming southwest 5 to
15 knots. Waves subsiding to calm to 2 feet.

$$

LSZ265-100500-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
348 PM EST Sat Nov 9 2024

...GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
AFTERNOON...

.LATE THIS AFTERNOON...South winds 15 to 25 knots. Waves 1 to
3 feet.
.TONIGHT...South winds 10 to 20 knots diminishing to 5 to
15 knots late. A chance of showers after midnight. Waves
subsiding to calm to 2 feet.
.SUNDAY...Southeast winds 10 to 20 knots diminishing to 5 to
15 knots by mid afternoon. A chance of showers in the morning,
then showers likely in the afternoon. Waves calm to 2 feet.
.SUNDAY NIGHT...Northwest winds 10 to 20 knots becoming west
15 to 25 knots by midnight, then increasing to 20 to 30 knots
late. A slight chance of showers. Waves building to 3 to 6 feet
occasionally to 8 feet.
.MONDAY...Northwest gales to 40 knots veering north in the
afternoon. Rain showers likely in the morning. A chance of snow
showers. A chance of rain showers in the afternoon. Waves
building to 9 to 12 feet occasionally to 15 feet.
.MONDAY NIGHT...North winds 20 to 30 knots diminishing to 5 to
15 knots after midnight. Waves subsiding to 1 to 3 feet.
.TUESDAY...Southeast winds 5 to 15 knots becoming south 15 to
25 knots in the afternoon. Waves subsiding to calm to 2 feet,
then building to 1 to 3 feet.
.TUESDAY NIGHT...South winds 20 to 30 knots. Waves building to
3 to 5 feet occasionally to 7 feet.
.WEDNESDAY...South winds 20 to 30 knots becoming west 15 to
25 knots. Showers likely. Waves subsiding to calm to 2 feet.
.THURSDAY...West winds 15 to 25 knots becoming southwest 10 to
20 knots. Waves calm to 2 feet.

$$

LSZ266-100500-
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-
348 PM EST Sat Nov 9 2024

...GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

.LATE THIS AFTERNOON...South winds 15 to 25 knots. Waves 3 to
5 feet occasionally to 7 feet.
.TONIGHT...South winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. A chance of showers after midnight. Waves
subsiding to 1 to 3 feet.
.SUNDAY...South winds 10 to 20 knots backing southeast by late
morning, then diminishing to 5 to 15 knots by mid afternoon. A
chance of showers. Waves subsiding to calm to 2 feet, then
building to 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 5 to 15 knots increasing to 10 to
20 knots by midnight, then becoming west 20 to 30 knots late. A
slight chance of showers. Waves building to 5 to 8 feet
occasionally to 10 feet.
.MONDAY...Northwest gales to 45 knots veering north in the
afternoon. Rain showers. A chance of snow showers in the
afternoon. Waves building to 15 to 20 feet occasionally to 25
feet, then subsiding to 12 to 17 feet occasionally to 21 feet.
.MONDAY NIGHT...North winds 20 to 30 knots diminishing to 5 to
15 knots after midnight. Waves subsiding to 2 to 4 feet.
.TUESDAY...Southeast winds 5 to 15 knots becoming south 15 to
25 knots in the afternoon. Waves subsiding to calm to 2 feet,
then building to 2 to 4 feet.
.TUESDAY NIGHT...South winds 15 to 25 knots increasing to 20 to
30 knots after midnight. Waves building to 5 to 8 feet
occasionally to 10 feet.
.WEDNESDAY...South winds 20 to 30 knots becoming west 15 to
25 knots. Rain showers likely. Waves subsiding to 3 to 5 feet
occasionally to 7 feet.
.THURSDAY...Northwest winds 15 to 25 knots becoming southwest
10 to 20 knots. A chance of rain showers. Waves subsiding to calm
to 2 feet.

$$

LSZ267-100500-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
348 PM EST Sat Nov 9 2024

...GALE WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY
EVENING...

.LATE THIS AFTERNOON...South winds 15 to 25 knots. Waves 2 to
4 feet.
.TONIGHT...South winds 15 to 25 knots diminishing to 10 to
20 knots late. A chance of showers after midnight. Waves
subsiding to calm to 2 feet.
.SUNDAY...South winds 10 to 20 knots backing southeast by late
morning, then diminishing to 5 to 15 knots by mid afternoon. A
chance of showers in the morning, then showers likely in the
afternoon. Waves building to 1 to 3 feet, then subsiding to calm
to 2 feet.
.SUNDAY NIGHT...Northwest winds 5 to 15 knots increasing to 15 to
25 knots by midnight, then becoming west 20 to 30 knots late. A
chance of showers in the evening. Waves building to 3 to 5 feet
occasionally to 7 feet.
.MONDAY...West gales to 40 knots veering north in the afternoon.
Rain showers. Snow showers likely in the afternoon. Waves
building to 15 to 20 feet occasionally to 25 feet, then subsiding
to 12 to 17 feet occasionally to 21 feet.
.MONDAY NIGHT...North winds 20 to 30 knots diminishing to 10 to
20 knots after midnight. Waves subsiding to 2 to 4 feet.
.TUESDAY...East winds 10 to 20 knots veering southeast in the
afternoon. Waves subsiding to calm to 2 feet.
.TUESDAY NIGHT...South winds 15 to 25 knots increasing to 20 to
30 knots after midnight. Waves building to 3 to 6 feet
occasionally to 8 feet.
.WEDNESDAY...South winds 20 to 30 knots becoming southwest 15 to
25 knots. Rain showers. Waves subsiding to 2 to 4 feet.
.THURSDAY...Northwest winds 10 to 20 knots backing west. A chance
of rain showers. Waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to calm to 2 feet.

$$

LSZ261-100500-
MAFOR 0922/
Superior West 13410 11300 11310 12200 11100. A chance of showers.
Waves 2 feet or less.

Superior North Central 12420 11520 13410 11316 11310. Waves 3 to
5 feet subsiding to 1 to 3 feet tonight and Sunday.

Superior South Central 12430 11420 12410 12310 11316. Waves 1 to
4 feet.

Superior East 12430 12420 11410 11420 12316. Waves 2 to 5 feet.

$$

Jablonski

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

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