058
AXUS43 KMQT 012001
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
401 PM EDT Mon Sep 1 2025

LSZ162-020800-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
401 PM EDT Mon Sep 1 2025 /301 PM CDT Mon Sep 1 2025/

.LATE THIS AFTERNOON...Southwest winds 5 to 15 knots. A slight
chance of showers and thunderstorms. Waves calm to 2 feet.
.TONIGHT...South winds 5 to 15 knots veering southwest after
midnight. A slight chance of showers after midnight. Waves calm
to 2 feet.
.TUESDAY...Southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. A chance of showers and thunderstorms.
Waves calm to 2 feet.
.TUESDAY NIGHT...Southwest winds 10 to 20 knots veering west
after midnight, then becoming northwest 15 to 25 knots late.
Showers through midnight. A chance of thunderstorms. A chance of
showers after midnight. Waves building to 2 to 4 feet.
.WEDNESDAY...North winds 20 to 30 knots backing northwest by mid
afternoon. A chance of showers. Waves building to 3 to 5 feet
occasionally to 7 feet.
$$

LSZ263-020800-
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 EDT Mon Sep 1 2025

.LATE THIS AFTERNOON...Southwest winds 5 to 15 knots. Waves calm
to 2 feet.
.TONIGHT...South winds 5 to 15 knots veering southwest after
midnight. Waves calm to 2 feet.
.TUESDAY...Southwest winds 5 to 15 knots. A chance of showers. A
slight chance of thunderstorms by mid afternoon. Waves building
to 1 to 3 feet, then subsiding to calm to 2 feet.
.TUESDAY NIGHT...Southwest winds 5 to 15 knots becoming west
10 to 20 knots after midnight, then becoming northwest 15 to
25 knots late. Showers and a chance of thunderstorms. Waves
building to 2 to 4 feet.
.WEDNESDAY...North winds 15 to 25 knots backing northwest by mid
afternoon. A chance of showers. Waves building to 3 to 6 feet
occasionally to 8 feet.
$$

LSZ264-020800-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
401 PM EDT Mon Sep 1 2025

.LATE THIS AFTERNOON...Southwest winds 5 to 15 knots. Waves calm
to 2 feet.
.TONIGHT...South winds 5 to 15 knots veering southwest late.
Waves calm to 2 feet.
.TUESDAY...Southwest winds 5 to 15 knots. A slight chance of
showers and thunderstorms by mid afternoon. Waves building to
1 to 3 feet, then subsiding to calm to 2 feet.
.TUESDAY NIGHT...South winds 5 to 15 knots veering southwest
after midnight, then becoming northwest 15 to 25 knots late.
Showers and a chance of thunderstorms. Waves building to 2 to
4 feet.
.WEDNESDAY...North winds 15 to 25 knots backing northwest by mid
afternoon. A chance of showers. Waves building to 3 to 6 feet
occasionally to 8 feet.
$$

LSZ265-020800-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
401 PM EDT Mon Sep 1 2025

.LATE THIS AFTERNOON...Southeast winds 5 to 15 knots. Waves calm
to 2 feet.
.TONIGHT...Southeast winds 5 to 15 knots veering southwest late.
Waves calm to 2 feet.
.TUESDAY...Southwest winds 5 to 15 knots backing southeast in the
afternoon. A slight chance of showers by mid afternoon. Waves
calm to 2 feet.
.TUESDAY NIGHT...South winds 5 to 15 knots becoming southwest
10 to 20 knots after midnight. A chance of showers through
midnight. A chance of thunderstorms. Showers after midnight.
Waves calm to 2 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. Showers likely and a slight chance of
thunderstorms through early afternoon, then a chance of showers
by mid afternoon. Waves building to 3 to 5 feet occasionally to
7 feet.
$$

LSZ266-020800-
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 EDT Mon Sep 1 2025

.LATE THIS AFTERNOON...Southeast winds 5 to 15 knots. Waves calm
to 2 feet.
.TONIGHT...South winds 5 to 15 knots increasing to 10 to 20 knots
after midnight, then becoming southwest 5 to 15 knots late. Waves
calm to 2 feet.
.TUESDAY...Southwest winds 5 to 15 knots backing south in the
afternoon. A slight chance of showers by mid afternoon. Waves
calm to 2 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots. A slight chance of
showers through midnight. A chance of thunderstorms. Showers
likely after midnight. Waves building to 2 to 4 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots increasing to 20 to
30 knots by mid afternoon. Showers likely through early
afternoon. A slight chance of thunderstorms. A chance of showers
by mid afternoon. Waves building to 3 to 6 feet occasionally to
8 feet.
$$

LSZ267-020800-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
401 PM EDT Mon Sep 1 2025

.LATE THIS AFTERNOON...Southeast winds 5 to 15 knots. Waves calm
to 2 feet.
.TONIGHT...South winds 5 to 15 knots increasing to 10 to 20 knots
after midnight. Waves calm to 2 feet.
.TUESDAY...South winds 10 to 20 knots becoming southwest 5 to
15 knots in the afternoon, then backing southeast late. Waves
calm to 2 feet.
.TUESDAY NIGHT...South winds 10 to 20 knots increasing to 15 to
25 knots after midnight. A chance of showers and a slight chance
of thunderstorms after midnight. Waves building to 2 to 4 feet,
then subsiding to 1 to 3 feet.
.WEDNESDAY...South winds 15 to 25 knots becoming west 20 to
30 knots by mid afternoon. Showers and a chance of thunderstorms.
Waves building to 3 to 6 feet occasionally to 8 feet.
$$