487
AXUS43 KMQT 040201
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
1001 PM EDT Wed Sep 3 2025

LSZ162-040800-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1001 PM EDT Wed Sep 3 2025 /901 PM CDT Wed Sep 3 2025/

.REST OF TONIGHT...Northwest winds 15 to 25 knots. A slight
chance of waterspouts. A slight chance of showers. Waves 3 to
6 feet occasionally to 8 feet.
.THURSDAY...West winds 15 to 25 knots increasing to 20 to
30 knots in the afternoon, then diminishing to 15 to 25 knots
late. A chance of showers. Waves subsiding to 2 to 4 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots becoming northwest
10 to 20 knots after midnight, then increasing to 15 to 25 knots
late. A chance of showers. Waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to calm to 2 feet.
.FRIDAY...Northwest winds 20 to 30 knots backing west by mid
afternoon. A slight chance of showers. Waves building to 3 to
5 feet occasionally to 7 feet.
$$

LSZ263-040800-
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-
1001 PM EDT Wed Sep 3 2025

.REST OF TONIGHT...Northwest winds 20 to 30 knots. A slight
chance of waterspouts. Scattered showers. Waves 4 to 8 feet
occasionally to 10 feet.
.THURSDAY...West winds 20 to 30 knots. A slight chance of
waterspouts through early afternoon. A chance of showers. Waves
4 to 7 feet occasionally to 9 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots diminishing to 10 to
20 knots after midnight, then becoming northwest 15 to 25 knots
late. A chance of showers. Waves subsiding to 1 to 3 feet, then
building to 2 to 4 feet.
.FRIDAY...Northwest winds 20 to 30 knots becoming west gales to
35 knots by mid afternoon. A slight chance of showers. Waves
building to 5 to 8 feet occasionally to 10 feet.
$$

LSZ264-040800-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1001 PM EDT Wed Sep 3 2025

...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.REST OF TONIGHT...Northwest winds 20 to 30 knots. A slight
chance of waterspouts. Numerous showers by midnight. A chance of
showers after midnight. Waves 8 to 11 feet occasionally to
14 feet subsiding to 6 to 9 feet occasionally to 11 feet.
.THURSDAY...Northwest winds 20 to 30 knots backing west in the
afternoon. A slight chance of waterspouts through early
afternoon. A chance of showers. Waves subsiding to 4 to 7 feet
occasionally to 9 feet.
.THURSDAY NIGHT...West winds 15 to 25 knots diminishing to 10 to
20 knots after midnight, then veering northwest late. A chance of
showers. Waves subsiding to 1 to 3 feet.
.FRIDAY...Northwest winds 20 to 30 knots becoming west gales to
35 knots by mid afternoon. A slight chance of showers. Waves
building to 4 to 7 feet occasionally to 9 feet.
$$

LSZ265-040800-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1001 PM EDT Wed Sep 3 2025

...GALE WARNING IN EFFECT UNTIL 11 PM EDT THIS EVENING...

.REST OF TONIGHT...Northwest winds to 30 knots with a few gale
force gusts to 35 knots possible. A slight chance of waterspouts.
Numerous showers by midnight. A chance of showers after midnight.
Waves 7 to 10 feet occasionally to 13 feet subsiding to 4 to
7 feet occasionally to 9 feet.
.THURSDAY...West winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots late. A slight
chance of waterspouts through early afternoon. A chance of
showers. Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.THURSDAY NIGHT...Southwest winds 15 to 25 knots diminishing to
10 to 20 knots after midnight, then becoming west 15 to 25 knots
late. A chance of showers. Waves subsiding to calm to 2 feet.
.FRIDAY...Northwest winds 20 to 30 knots backing west by mid
afternoon. A chance of showers. Waves building to 2 to 4 feet.
$$

LSZ266-040800-
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-
1001 PM EDT Wed Sep 3 2025

.REST OF TONIGHT...Northwest winds to 30 knots with a few gale
force gusts to 35 knots possible. A slight chance of waterspouts.
Showers. Waves 9 to 12 feet occasionally to 15 feet subsiding to
8 to 11 feet occasionally to 14 feet.
.THURSDAY...West winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots in the afternoon.
A slight chance of waterspouts through early afternoon. Showers
likely through early afternoon, then a chance of showers by mid
afternoon. Waves subsiding to 6 to 9 feet occasionally to
11 feet.
.THURSDAY NIGHT...Southwest winds 15 to 25 knots. A chance of
showers through midnight, then showers likely after midnight.
Waves subsiding to 2 to 4 feet.
.FRIDAY...Northwest winds 15 to 25 knots becoming west 20 to
30 knots by mid afternoon. A chance of showers. Waves building to
4 to 7 feet occasionally to 9 feet.
$$

LSZ267-040800-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1001 PM EDT Wed Sep 3 2025

.REST OF TONIGHT...Northwest winds 20 to 30 knots increasing to
30 knots with a few gale force gusts to 35 knots possible after
midnight, then backing west late. A slight chance of waterspouts.
Showers likely. Waves 8 to 11 feet occasionally to 14 feet
building to 9 to 12 feet occasionally to 15 feet, then subsiding
to 8 to 11 feet occasionally to 14 feet.
.THURSDAY...West winds to 30 knots with a few gale force gusts to
35 knots possible diminishing to 20 to 30 knots late. A slight
chance of waterspouts through early afternoon. Showers likely
through early afternoon, then a chance of showers by mid
afternoon. Waves subsiding to 6 to 9 feet occasionally to
11 feet.
.THURSDAY NIGHT...Southwest winds 15 to 25 knots backing south
after midnight. A chance of showers through midnight, then
showers likely after midnight. Waves subsiding to 2 to 4 feet.
.FRIDAY...West winds 15 to 25 knots increasing to gales to
35 knots by mid afternoon. Showers through early afternoon, then
a chance of showers by mid afternoon. Waves subsiding to 1 to
3 feet, then building to 5 to 8 feet occasionally to 10 feet.
$$