129
AXUS43 KMQT 211401
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
1001 AM EDT Mon Sep 21 2026

LSZ162-212000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1001 AM EDT Mon Sep 21 2026 /901 AM CDT Mon Sep 21 2026/

.REST OF TODAY...East winds 10 to 20 knots becoming northeast
15 to 25 knots late. Waves calm to 2 feet building to 1 to
3 feet.
.TONIGHT...East winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight. Waves subsiding to calm to 2 feet.
.TUESDAY...East winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon, then becoming northeast 15 to 25 knots late.
Waves building to 1 to 3 feet.
.TUESDAY NIGHT...East winds 10 to 20 knots becoming southeast
5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
$$

LSZ263-212000-
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 AM EDT Mon Sep 21 2026

.REST OF TODAY...East winds 5 to 15 knots increasing to 15 to
25 knots. Waves calm to 2 feet building to 1 to 3 feet.
.TONIGHT...East winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight, then veering southeast late. Waves subsiding to
calm to 2 feet.
.TUESDAY...East winds less than 10 knots increasing to 10 to
20 knots. Waves calm to 2 feet.
.TUESDAY NIGHT...East winds 10 to 20 knots becoming southeast
5 to 15 knots after midnight. Waves calm to 2 feet.
$$

LSZ264-212000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1001 AM EDT Mon Sep 21 2026

.REST OF TODAY...East winds 5 to 15 knots. Waves calm to 2 feet.
.TONIGHT...East winds 5 to 15 knots diminishing to less than
10 knots late. Waves calm to 2 feet.
.TUESDAY...East winds 5 to 15 knots. Waves calm to 2 feet.
.TUESDAY NIGHT...East winds 5 to 15 knots veering southeast after
midnight. Waves calm to 2 feet.
$$

LSZ265-212000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1001 AM EDT Mon Sep 21 2026

.REST OF TODAY...East winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves 2 to 4 feet subsiding to calm to 2 feet.
.TONIGHT...East winds 10 to 20 knots. Waves calm to 2 feet.
.TUESDAY...East winds 10 to 20 knots increasing to 15 to 25 knots
in the afternoon. Waves calm to 2 feet.
.TUESDAY NIGHT...East winds 10 to 20 knots becoming southeast
5 to 15 knots after midnight. Waves calm to 2 feet.
$$

LSZ266-212000-
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 AM EDT Mon Sep 21 2026

.REST OF TODAY...East winds 10 to 20 knots backing northeast
late. Waves 1 to 3 feet subsiding to calm to 2 feet.
.TONIGHT...Northeast winds 5 to 15 knots veering east late. Waves
calm to 2 feet.
.TUESDAY...East winds 5 to 15 knots increasing to 10 to 20 knots
in the afternoon. Waves calm to 2 feet.
.TUESDAY NIGHT...East winds 5 to 15 knots veering southeast after
midnight. Waves calm to 2 feet.
$$

LSZ267-212000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1001 AM EDT Mon Sep 21 2026

.REST OF TODAY...East winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon, then backing northeast late. Waves
calm to 2 feet.
.TONIGHT...Northeast winds 10 to 20 knots veering east after
midnight. Waves calm to 2 feet.
.TUESDAY...East winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon, then backing northeast late. Waves calm to
2 feet.
.TUESDAY NIGHT...Northeast winds 5 to 15 knots becoming southeast
10 to 20 knots after midnight. Waves calm to 2 feet.
$$