921
AXUS43 KMQT 062001
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
401 PM EDT Mon Oct 6 2025

LSZ162-070800-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
401 PM EDT Mon Oct 6 2025 /301 PM CDT Mon Oct 6 2025/

.LATE THIS AFTERNOON...Southwest winds 10 to 20 knots. Waves calm
to 2 feet building to 1 to 3 feet.
.TONIGHT...West winds 10 to 20 knots increasing to 15 to 25 knots
late. Waves building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves building to 3 to 6 feet occasionally to
8 feet, then subsiding to calm to 2 feet.
.TUESDAY NIGHT...Northwest winds 5 to 15 knots veering north
after midnight. Waves calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots backing south by mid
afternoon. Waves calm to 2 feet.
$$

LSZ263-070800-
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 Oct 6 2025

.LATE THIS AFTERNOON...Southwest winds 10 to 20 knots. Waves calm
to 2 feet building to 1 to 3 feet.
.TONIGHT...Southwest winds 15 to 25 knots veering west after
midnight. Waves building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...West winds 20 to 30 knots veering northwest in the
afternoon, then diminishing to 15 to 25 knots late. Waves
building to 5 to 8 feet occasionally to 10 feet, then subsiding
to 2 to 4 feet.
.TUESDAY NIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. Waves subsiding to calm to 2 feet.
.WEDNESDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.
$$

LSZ264-070800-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
401 PM EDT Mon Oct 6 2025

.LATE THIS AFTERNOON...Southwest winds 10 to 20 knots. Waves calm
to 2 feet.
.TONIGHT...Southwest winds 10 to 20 knots becoming west 15 to
25 knots after midnight. Waves building to 3 to 5 feet
occasionally to 7 feet.
.TUESDAY...West winds 20 to 30 knots veering northwest in the
afternoon. Waves building to 5 to 8 feet occasionally to 10 feet,
then subsiding to 3 to 6 feet occasionally to 8 feet.
.TUESDAY NIGHT...North winds 10 to 20 knots diminishing to 5 to
15 knots after midnight, then backing northwest late. Waves
subsiding to calm to 2 feet.
.WEDNESDAY...West winds 5 to 15 knots backing southwest by mid
afternoon. Waves calm to 2 feet.
$$

LSZ265-070800-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
401 PM EDT Mon Oct 6 2025

.LATE THIS AFTERNOON...West winds 10 to 20 knots. A slight chance
of showers. Waves calm to 2 feet.
.TONIGHT...West winds 5 to 15 knots increasing to 15 to 25 knots.
Waves building to 2 to 4 feet, then subsiding to 1 to 3 feet.
.TUESDAY...West winds 20 to 30 knots becoming northwest to
30 knots with a few gale force gusts to 35 knots possible in the
afternoon, then diminishing to 20 to 30 knots late. Waves
building to 3 to 6 feet occasionally to 8 feet.
.TUESDAY NIGHT...Northwest winds 15 to 25 knots becoming north
10 to 20 knots after midnight, then backing northwest late. Waves
subsiding to calm to 2 feet.
.WEDNESDAY...Northwest winds 5 to 15 knots backing south by mid
afternoon. Waves calm to 2 feet.
$$

LSZ266-070800-
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 Oct 6 2025

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. A slight
chance of showers. Waves 3 to 5 feet occasionally to 7 feet
subsiding to 2 to 4 feet.
.TONIGHT...West winds 5 to 15 knots increasing to 15 to 25 knots.
A slight chance of showers through midnight. Waves subsiding to
1 to 3 feet, then building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...West winds 20 to 30 knots veering northwest in the
afternoon. Waves building to 6 to 10 feet occasionally to
13 feet.
.TUESDAY NIGHT...North winds 15 to 25 knots diminishing to 10 to
20 knots after midnight. Waves subsiding to 2 to 4 feet.
.WEDNESDAY...Northwest winds 5 to 15 knots backing west by mid
afternoon. Waves subsiding to calm to 2 feet.
$$

LSZ267-070800-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
401 PM EDT Mon Oct 6 2025

.LATE THIS AFTERNOON...Northwest winds 15 to 25 knots. Waves 3 to
5 feet occasionally to 7 feet subsiding to 2 to 4 feet.
.TONIGHT...Northwest winds 10 to 20 knots backing west after
midnight, then increasing to 15 to 25 knots late. A slight chance
of showers through midnight. Waves subsiding to calm to 2 feet,
then building to 2 to 4 feet.
.TUESDAY...West winds 15 to 25 knots increasing to 20 to 30 knots
in the afternoon, then becoming northwest to 30 knots with a few
gale force gusts to 35 knots possible late. Waves building to
7 to 10 feet occasionally to 13 feet.
.TUESDAY NIGHT...Northwest winds 20 to 30 knots becoming north
15 to 25 knots after midnight, then diminishing to 10 to 20 knots
late. Waves subsiding to 2 to 4 feet.
.WEDNESDAY...North winds 10 to 20 knots becoming northwest 5 to
15 knots by mid afternoon. Waves subsiding to calm to 2 feet.
$$