006
AXUS43 KMQT 030801
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
401 AM EDT Wed Sep 3 2025

LSZ162-032000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
401 AM EDT Wed Sep 3 2025 /301 AM CDT Wed Sep 3 2025/

.EARLY THIS MORNING...North winds 20 to 30 knots. A slight chance
of showers. Waves 3 to 6 feet occasionally to 8 feet.
.TODAY...North winds 20 to 30 knots backing northwest late. A
slight chance of showers. A slight chance of waterspouts by mid
afternoon. Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.TONIGHT...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. A slight chance of waterspouts. A slight
chance of showers. Waves building to 3 to 6 feet occasionally to
8 feet.
.THURSDAY...West winds 15 to 25 knots. A slight chance of
waterspouts through early afternoon. A slight chance of showers.
Waves subsiding to 2 to 4 feet.
.THURSDAY NIGHT...West winds 10 to 20 knots veering northwest
after midnight. A slight chance of waterspouts. A chance of
showers. Waves subsiding to calm to 2 feet, then building to 1 to
3 feet.
$$

LSZ263-032000-
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 Wed Sep 3 2025

.EARLY THIS MORNING...North winds 20 to 30 knots. A chance of
showers. Waves 3 to 6 feet occasionally to 8 feet building to
4 to 7 feet occasionally to 9 feet.
.TODAY...North winds 20 to 30 knots. A chance of showers. A
slight chance of waterspouts by mid afternoon. Waves building to
4 to 8 feet occasionally to 10 feet.
.TONIGHT...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. A slight chance of waterspouts. A chance of rain
showers. Waves 4 to 7 feet occasionally to 9 feet.
.THURSDAY...Northwest winds 15 to 25 knots backing west in the
afternoon. A slight chance of waterspouts. A chance of rain
showers. Waves subsiding to 3 to 6 feet occasionally to 8 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots becoming northwest
10 to 20 knots after midnight. A slight chance of waterspouts. A
chance of showers. Waves subsiding to 1 to 3 feet, then building
to 2 to 4 feet.
$$

LSZ264-032000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
401 AM EDT Wed Sep 3 2025

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.EARLY THIS MORNING...North gales to 35 knots. Showers likely.
Waves 3 to 6 feet occasionally to 8 feet building to 5 to 8 feet
occasionally to 10 feet.
.TODAY...North gales to 35 knots becoming northwest 20 to
30 knots late. A chance of showers. A slight chance of
waterspouts by mid afternoon. Waves building to 6 to 10 feet
occasionally to 13 feet.
.TONIGHT...Northwest winds 20 to 30 knots. A slight chance of
waterspouts. Showers. Waves subsiding to 5 to 8 feet occasionally
to 10 feet.
.THURSDAY...Northwest winds 15 to 25 knots backing west in the
afternoon. A slight chance of waterspouts. A chance of showers.
Waves subsiding to 3 to 6 feet occasionally to 8 feet.
.THURSDAY NIGHT...West winds 10 to 20 knots. A chance of showers.
A slight chance of thunderstorms after midnight. A slight chance
of waterspouts after midnight. Waves subsiding to 1 to 3 feet.
$$

LSZ265-032000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
401 AM EDT Wed Sep 3 2025

.EARLY THIS MORNING...West winds 15 to 25 knots. A chance of
showers and a slight chance of thunderstorms. Waves 2 to 4 feet
subsiding to 1 to 3 feet.
.TODAY...Northwest winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible in the
afternoon. A chance of showers. A slight chance of waterspouts by
mid afternoon. Waves building to 6 to 9 feet occasionally to
11 feet.
.TONIGHT...Northwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 20 to 30 knots after
midnight. A slight chance of waterspouts. A chance of showers
through midnight. Showers likely after midnight. Waves subsiding
to 4 to 7 feet occasionally to 9 feet.
.THURSDAY...Northwest winds 20 to 30 knots backing west in the
afternoon, then diminishing to 15 to 25 knots late. A slight
chance of waterspouts. Showers likely through early afternoon. A
chance of showers by mid afternoon. Waves subsiding to 2 to
4 feet.
.THURSDAY NIGHT...Southwest winds 15 to 25 knots becoming west
10 to 20 knots after midnight. A slight chance of waterspouts. A
chance of showers through midnight. Showers likely after
midnight. Waves subsiding to calm to 2 feet.
$$

LSZ266-032000-
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 Wed Sep 3 2025

.EARLY THIS MORNING...Southwest winds 15 to 25 knots. A chance of
showers and thunderstorms. Waves 3 to 5 feet occasionally to
7 feet building to 4 to 7 feet occasionally to 9 feet.
.TODAY...Northwest winds 20 to 30 knots increasing to 30 knots
with a few gale force gusts to 35 knots possible in the
afternoon. A slight chance of thunderstorms through early
afternoon. A chance of showers. A slight chance of waterspouts by
mid afternoon. Waves building to 7 to 10 feet occasionally to
13 feet.
.TONIGHT...Northwest winds to 30 knots with a few gale force
gusts to 35 knots possible diminishing to 20 to 30 knots after
midnight. A slight chance of waterspouts. Showers. Waves
subsiding to 6 to 9 feet occasionally to 11 feet.
.THURSDAY...West winds 20 to 30 knots diminishing to 15 to
25 knots late. A slight chance of waterspouts. Showers likely.
Waves subsiding to 4 to 7 feet occasionally to 9 feet.
.THURSDAY NIGHT...Southwest winds 10 to 20 knots. A chance of
showers through midnight, then showers likely and a slight chance
of thunderstorms after midnight. Waves subsiding to 1 to 3 feet.
$$

LSZ267-032000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
401 AM EDT Wed Sep 3 2025

.EARLY THIS MORNING...South winds 20 to 30 knots. Showers and a
chance of thunderstorms. Waves 2 to 4 feet.
.TODAY...Southwest winds 20 to 30 knots veering northwest in the
afternoon. Showers likely and a slight chance of thunderstorms
through early afternoon, then a chance of showers by mid
afternoon. Waves building to 6 to 9 feet occasionally to 11 feet.
.TONIGHT...Northwest winds 20 to 30 knots backing west late. A
slight chance of waterspouts. A chance of showers through
midnight. Showers likely after midnight. Waves subsiding to 5 to
8 feet occasionally to 10 feet, then building to 6 to 9 feet
occasionally to 11 feet.
.THURSDAY...West winds 20 to 30 knots. A slight chance of
waterspouts. Showers likely. Waves subsiding to 4 to 7 feet
occasionally to 9 feet.
.THURSDAY NIGHT...Southwest winds 15 to 25 knots backing south
after midnight. A slight chance of waterspouts through midnight.
A chance of showers through midnight, then showers after
midnight. Waves subsiding to 2 to 4 feet.
$$