703
AXUS43 KMQT 202101
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
401 PM EST Thu Nov 20 2025

LSZ162-210900-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
401 PM EST Thu Nov 20 2025 /301 PM CST Thu Nov 20 2025/

.LATE THIS AFTERNOON...West winds 15 to 25 knots. Waves 2 to
4 feet.
.TONIGHT...West winds 15 to 25 knots. Waves subsiding to 1 to
3 feet, then building to 3 to 5 feet occasionally to 7 feet.
.FRIDAY...Northwest winds 10 to 20 knots. Waves subsiding to calm
to 2 feet.
.FRIDAY NIGHT...Northwest winds 5 to 15 knots backing southwest
late. Waves calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. A slight chance of rain showers in the
afternoon. Waves calm to 2 feet.
$$

LSZ263-210900-
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-
401 PM EST Thu Nov 20 2025

.LATE THIS AFTERNOON...West winds 15 to 25 knots. Waves 3 to
6 feet occasionally to 8 feet.
.TONIGHT...West winds 10 to 20 knots increasing to 15 to 25 knots
by midnight. Waves subsiding to 3 to 5 feet occasionally to
7 feet, then building to 4 to 7 feet occasionally to 9 feet.
.FRIDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. Waves subsiding to 1 to 3 feet.
.FRIDAY NIGHT...Northwest winds 5 to 15 knots becoming west less
than 10 knots late. Waves subsiding to calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots becoming southwest 10 to
20 knots in the afternoon. A chance of rain showers, possibly
mixed with snow in the afternoon. Waves building to 1 to 3 feet.
$$

LSZ264-210900-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
401 PM EST Thu Nov 20 2025

.LATE THIS AFTERNOON...Northwest winds 15 to 25 knots. A slight
chance of rain showers. Waves 3 to 6 feet occasionally to 8 feet.
.TONIGHT...Northwest winds 10 to 20 knots becoming west 15 to
25 knots by midnight. Waves subsiding to 3 to 5 feet occasionally
to 7 feet, then building to 4 to 7 feet occasionally to 9 feet.
.FRIDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots by mid afternoon. Waves subsiding to 2 to 4 feet.
.FRIDAY NIGHT...Northwest winds 5 to 15 knots becoming west less
than 10 knots late. Waves subsiding to calm to 2 feet.
.SATURDAY...Southwest winds 5 to 15 knots becoming south 10 to
20 knots in the afternoon. A chance of rain showers, possibly
mixed with snow in the afternoon. Waves building to 1 to 3 feet.
$$

LSZ265-210900-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
401 PM EST Thu Nov 20 2025

.LATE THIS AFTERNOON...West winds 20 to 30 knots. A chance of
showers. Waves 2 to 4 feet.
.TONIGHT...West winds 20 to 30 knots. A slight chance of rain
showers in the evening. Waves building to 3 to 6 feet
occasionally to 8 feet.
.FRIDAY...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots by mid afternoon. Waves subsiding to 2 to 4 feet.
.FRIDAY NIGHT...Northwest winds 10 to 20 knots becoming west 5 to
15 knots late. Waves subsiding to calm to 2 feet.
.SATURDAY...Southwest winds 5 to 15 knots becoming south 10 to
20 knots in the afternoon. A slight chance of rain showers,
possibly mixed with snow in the afternoon. Waves calm to 2 feet.
$$

LSZ266-210900-
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-
401 PM EST Thu Nov 20 2025

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

LSZ267-210900-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
401 PM EST Thu Nov 20 2025

.LATE THIS AFTERNOON...Southwest winds 15 to 25 knots. Patchy
fog. Showers likely. Waves 3 to 6 feet occasionally to 8 feet.
.TONIGHT...West winds 20 to 30 knots veering northwest by
midnight, then backing west late. Patchy fog in the evening. A
chance of rain showers. Waves building to 4 to 7 feet
occasionally to 9 feet.
.FRIDAY...Northwest winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible. A chance of
rain showers, possibly mixed with snow. Waves building to 5 to
9 feet occasionally to 11 feet.
.FRIDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
10 to 20 knots by midnight. A slight chance of snow showers in
the evening. Waves subsiding to 1 to 3 feet.
.SATURDAY...West winds 10 to 20 knots backing southwest in the
afternoon. A chance of rain showers, possibly mixed with snow in
the afternoon. Waves subsiding to calm to 2 feet, then building
to 1 to 3 feet.
$$