418
AXUS43 KMQT 292001
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
401 PM EDT Mon Sep 29 2025

LSZ162-300800-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
401 PM EDT Mon Sep 29 2025 /301 PM CDT Mon Sep 29 2025/

.LATE THIS AFTERNOON...East winds 5 to 15 knots. Waves calm to
2 feet.
.TONIGHT...Northeast winds 10 to 20 knots increasing to 15 to
25 knots late. Waves building to 2 to 4 feet.
.TUESDAY...Northeast winds 15 to 25 knots. Waves building to 4 to
7 feet occasionally to 9 feet.
.TUESDAY NIGHT...Northeast winds 10 to 20 knots veering east
after midnight. Waves subsiding to 1 to 3 feet.
.WEDNESDAY...East winds 10 to 20 knots. Waves subsiding to calm
to 2 feet.
$$

LSZ263-300800-
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 29 2025

.LATE THIS AFTERNOON...Northeast winds 5 to 15 knots. Waves calm
to 2 feet.
.TONIGHT...Northeast winds 5 to 15 knots becoming east 10 to
20 knots after midnight. Waves building to 2 to 4 feet.
.TUESDAY...East winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves building to 3 to 6 feet occasionally to
8 feet.
.TUESDAY NIGHT...East winds 10 to 20 knots becoming southeast
5 to 15 knots late. Waves subsiding to 2 to 4 feet.
.WEDNESDAY...Southeast winds 5 to 15 knots increasing to 10 to
20 knots by mid afternoon. Waves 2 to 4 feet.
$$

LSZ264-300800-
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 29 2025

.LATE THIS AFTERNOON...North winds less than 10 knots. Waves calm
to 2 feet.
.TONIGHT...Northeast winds 10 to 20 knots becoming east 15 to
25 knots after midnight, then diminishing to 10 to 20 knots late.
Waves building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY...East winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. Waves 3 to 5 feet occasionally to
7 feet.
.TUESDAY NIGHT...East winds 10 to 20 knots veering southeast
after midnight. Waves subsiding to 2 to 4 feet, then building to
3 to 5 feet occasionally to 7 feet.
.WEDNESDAY...Southeast winds 15 to 25 knots. Waves 3 to 5 feet
occasionally to 7 feet.
$$

LSZ265-300800-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
401 PM EDT Mon Sep 29 2025

.LATE THIS AFTERNOON...East winds 5 to 15 knots. Waves calm to
2 feet.
.TONIGHT...East winds 5 to 15 knots increasing to 10 to 20 knots
late. Waves building to 1 to 3 feet.
.TUESDAY...East winds 10 to 20 knots increasing to 15 to 25 knots
late. Waves building to 3 to 5 feet occasionally to 7 feet.
.TUESDAY NIGHT...East winds 10 to 20 knots veering southeast
after midnight. Waves subsiding to 2 to 4 feet.
.WEDNESDAY...Southeast winds 15 to 25 knots. Waves 2 to 4 feet.
$$

LSZ266-300800-
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 29 2025

.LATE THIS AFTERNOON...North winds 5 to 15 knots. Waves calm to
2 feet.
.TONIGHT...Northeast winds 5 to 15 knots becoming east 10 to
20 knots after midnight. Waves building to 2 to 4 feet.
.TUESDAY...East winds 10 to 20 knots. Waves building to 3 to
5 feet occasionally to 7 feet, then subsiding to 2 to 4 feet.
.TUESDAY NIGHT...East winds 10 to 20 knots veering southeast
after midnight. Waves 2 to 4 feet.
.WEDNESDAY...Southeast winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. Waves building to 3 to 5 feet
occasionally to 7 feet.
$$

LSZ267-300800-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
401 PM EDT Mon Sep 29 2025

.LATE THIS AFTERNOON...North winds 5 to 15 knots. Waves calm to
2 feet.
.TONIGHT...Northeast winds 5 to 15 knots increasing to 10 to
20 knots after midnight, then veering east late. Waves building
to 1 to 3 feet.
.TUESDAY...East winds 15 to 25 knots diminishing to 5 to
15 knots. Waves building to 2 to 4 feet, then subsiding to calm
to 2 feet.
.TUESDAY NIGHT...East winds 10 to 20 knots veering southeast
after midnight. Waves building to 2 to 4 feet.
.WEDNESDAY...Southeast winds 10 to 20 knots. Waves subsiding to
1 to 3 feet.
$$