050
AXUS43 KMQT 210912
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
412 AM EST Fri Nov 21 2025

LSZ162-211715-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
412 AM EST Fri Nov 21 2025 /312 AM CST Fri Nov 21 2025/

.EARLY THIS MORNING...West winds 15 to 25 knots. Waves 3 to
5 feet occasionally to 7 feet.
.TODAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots. Waves subsiding to calm to 2 feet.
.TONIGHT...Northwest winds 5 to 15 knots backing southwest late.
Waves calm to 2 feet.
.SATURDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots by late morning, then veering west by mid afternoon. A
slight chance of snow showers in the morning. A slight chance of
rain showers. Waves building to 2 to 4 feet, then subsiding to
1 to 3 feet.
.SATURDAY NIGHT...West winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves subsiding to calm to 2 feet.
$$

LSZ263-211715-
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-
412 AM EST Fri Nov 21 2025

.EARLY THIS MORNING...West winds 15 to 25 knots. Waves 4 to
7 feet occasionally to 9 feet.
.TODAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. Waves subsiding to 1 to 3 feet.
.TONIGHT...Northwest winds 5 to 15 knots backing southwest late.
Waves subsiding to calm to 2 feet.
.SATURDAY...Southwest winds 5 to 15 knots increasing to 10 to
20 knots by late morning, then veering west by mid afternoon. A
chance of rain and snow showers. Waves building to 2 to 4 feet.
.SATURDAY NIGHT...West winds 10 to 20 knots veering northwest
after midnight. Waves building to 3 to 5 feet occasionally to
7 feet, then subsiding to 2 to 4 feet.
$$

LSZ264-211715-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
412 AM EST Fri Nov 21 2025

.EARLY THIS MORNING...West winds 15 to 25 knots. Waves 4 to
7 feet occasionally to 9 feet.
.TODAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. Waves subsiding to 3 to 5 feet
occasionally to 7 feet.
.TONIGHT...Northwest winds 10 to 20 knots diminishing to 5 to
15 knots by midnight, then backing west late. Waves subsiding to
calm to 2 feet.
.SATURDAY...Southwest winds 5 to 15 knots becoming south 10 to
20 knots by late morning, then veering southwest by mid
afternoon. A chance of rain showers, possibly mixed with snow.
Waves building to 2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 25 knots veering northwest
after midnight. Waves building to 3 to 6 feet occasionally to
8 feet.
$$

LSZ265-211715-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
412 AM EST Fri Nov 21 2025

.EARLY THIS MORNING...West winds 20 to 30 knots. Waves 3 to
6 feet occasionally to 8 feet.
.TODAY...West winds 20 to 30 knots veering northwest by late
morning, then diminishing to 15 to 25 knots by mid afternoon.
Waves subsiding to 2 to 4 feet.
.TONIGHT...Northwest winds 10 to 20 knots backing west late.
Waves subsiding to calm to 2 feet.
.SATURDAY...Southwest winds 10 to 20 knots backing south by late
morning, then becoming west 15 to 25 knots by mid afternoon. A
chance of rain showers, possibly mixed with snow in the
afternoon. Waves building to 1 to 3 feet.
.SATURDAY NIGHT...West winds 15 to 25 knots becoming northwest
20 to 30 knots after midnight. Waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet.
$$

LSZ266-211715-
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-
412 AM EST Fri Nov 21 2025

.EARLY THIS MORNING...West winds 20 to 30 knots. A slight chance
of rain and snow showers. Waves 4 to 7 feet occasionally to
9 feet.
.TODAY...West winds 20 to 30 knots veering northwest. A slight
chance of rain and snow showers in the morning. Waves building to
4 to 8 feet occasionally to 10 feet.
.TONIGHT...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots by midnight. Waves subsiding to 1 to 3 feet.
.SATURDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots. A chance of rain showers, possibly mixed with snow in
the afternoon. Waves subsiding to calm to 2 feet, then building
to 2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 25 knots becoming northwest
20 to 30 knots after midnight. A chance of rain showers in the
evening. Waves building to 3 to 6 feet occasionally to 8 feet.
$$

LSZ267-211715-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
412 AM EST Fri Nov 21 2025

.EARLY THIS MORNING...West winds 20 to 30 knots. A slight chance
of rain showers. Waves 4 to 7 feet occasionally to 9 feet.
.TODAY...West winds 20 to 30 knots veering northwest. A chance of
rain showers. A slight chance of snow showers in the afternoon.
Waves building to 4 to 8 feet occasionally to 10 feet.
.TONIGHT...Northwest winds 20 to 30 knots diminishing to 10 to
20 knots. A slight chance of snow showers in the evening. Waves
subsiding to 1 to 3 feet.
.SATURDAY...West winds 10 to 20 knots becoming southwest 15 to
25 knots by late morning, then backing south by mid afternoon. A
chance of rain showers, possibly mixed with snow in the
afternoon. Waves subsiding to calm to 2 feet, then building to
2 to 4 feet.
.SATURDAY NIGHT...West winds 15 to 25 knots becoming northwest
20 to 30 knots after midnight. A chance of rain showers. Waves
building to 3 to 6 feet occasionally to 8 feet.
$$