230
AXUS43 KMQT 020801
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
401 AM EDT Tue Sep 2 2025

LSZ162-022000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
401 AM EDT Tue Sep 2 2025 /301 AM CDT Tue Sep 2 2025/

.EARLY THIS MORNING...Southwest winds 5 to 15 knots. Waves calm
to 2 feet.
.TODAY...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.
.TONIGHT...Southwest winds 10 to 20 knots becoming west 15 to
25 knots after midnight, then veering northwest late. Showers
likely and a chance of thunderstorms through midnight, then a
chance of showers after midnight. Waves building to 3 to 5 feet
occasionally to 7 feet.
.WEDNESDAY...North winds 20 to 30 knots. A chance of showers. A
chance of waterspouts by mid afternoon. Waves building to 3 to
6 feet occasionally to 8 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 25 knots. A chance of
waterspouts. A chance of showers. Waves subsiding to 2 to 4 feet.
$$

LSZ263-022000-
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 AM EDT Tue Sep 2 2025

.EARLY THIS MORNING...Southwest winds 5 to 15 knots. Waves calm
to 2 feet.
.TODAY...Southwest winds 5 to 15 knots increasing to 10 to
20 knots in the afternoon. A chance of showers and thunderstorms
by mid afternoon. Waves calm to 2 feet.
.TONIGHT...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 3 to 6 feet occasionally to
8 feet.
.WEDNESDAY...North winds 20 to 30 knots. A slight chance of
thunderstorms through early afternoon. A chance of showers. A
chance of waterspouts by mid afternoon. Waves 3 to 6 feet
occasionally to 8 feet.
.WEDNESDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. A chance of waterspouts. A chance
of showers. Waves subsiding to 3 to 6 feet occasionally to
8 feet.
$$

LSZ264-022000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
401 AM EDT Tue Sep 2 2025

.EARLY THIS MORNING...Southwest winds 5 to 15 knots. Waves calm
to 2 feet.
.TODAY...Southwest winds 5 to 15 knots backing south late. A
slight chance of showers and thunderstorms by mid afternoon.
Waves building to 1 to 3 feet, then subsiding to calm to 2 feet.
.TONIGHT...South winds 5 to 15 knots becoming southwest 10 to
20 knots after midnight, then becoming northwest 20 to 30 knots
late. Showers and a chance of thunderstorms. Waves building to
3 to 6 feet occasionally to 8 feet.
.WEDNESDAY...North winds 20 to 30 knots backing northwest late. A
slight chance of thunderstorms through early afternoon. A chance
of showers. Waves building to 5 to 8 feet occasionally to
10 feet.
.WEDNESDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. A chance of waterspouts. A chance
of showers through midnight. Showers likely after midnight. Waves
subsiding to 3 to 6 feet occasionally to 8 feet.
$$

LSZ265-022000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
401 AM EDT Tue Sep 2 2025

.EARLY THIS MORNING...Southwest winds 5 to 15 knots. Waves calm
to 2 feet.
.TODAY...Southwest winds 5 to 15 knots becoming southeast 10 to
20 knots in the afternoon. Waves calm to 2 feet.
.TONIGHT...South winds 10 to 20 knots veering southwest after
midnight, then becoming west 15 to 25 knots late. A chance of
showers through midnight. A chance of thunderstorms. Showers
after midnight. Waves building to 1 to 3 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots increasing to
30 knots with a few gale force gusts to 35 knots possible. A
slight chance of thunderstorms through early afternoon. A chance
of showers. Waves building to 4 to 7 feet occasionally to 9 feet.
.WEDNESDAY NIGHT...Northwest winds 20 to 30 knots. A chance of
waterspouts. A chance of showers through midnight. Showers likely
after midnight. Waves subsiding to 2 to 4 feet.
$$

LSZ266-022000-
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 AM EDT Tue Sep 2 2025

.EARLY THIS MORNING...Southwest winds 5 to 15 knots. Waves calm
to 2 feet.
.TODAY...Southwest winds 5 to 15 knots becoming south 10 to
20 knots in the afternoon, then backing southeast late. Waves
calm to 2 feet.
.TONIGHT...South winds 15 to 25 knots veering southwest late. A
slight chance of showers through midnight. A chance of
thunderstorms. Showers after midnight. Waves building to 2 to
4 feet.
.WEDNESDAY...Northwest winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon. A slight chance of thunderstorms
through early afternoon. A chance of showers. Waves building to
5 to 8 feet occasionally to 10 feet.
.WEDNESDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. A chance of waterspouts. A chance
of showers. Waves subsiding to 3 to 6 feet occasionally to
8 feet.
$$

LSZ267-022000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
401 AM EDT Tue Sep 2 2025

.EARLY THIS MORNING...South winds 10 to 20 knots. Waves calm to
2 feet.
.TODAY...South winds 10 to 20 knots becoming southwest 5 to
15 knots in the afternoon, then becoming southeast 10 to 20 knots
late. Waves calm to 2 feet.
.TONIGHT...South winds 15 to 25 knots. 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...Southwest winds 15 to 25 knots becoming west 20 to
30 knots in the afternoon, then veering northwest late. Showers
through early afternoon. A chance of thunderstorms. A chance of
showers by mid afternoon. Waves building to 4 to 8 feet
occasionally to 10 feet.
.WEDNESDAY NIGHT...Northwest winds 15 to 25 knots backing west
after midnight. A chance of showers. A slight chance of
waterspouts after midnight. Waves subsiding to 3 to 6 feet
occasionally to 8 feet.
$$