820
AXUS43 KMQT 231401
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
1001 AM EDT Sat Aug 23 2025

LSZ162-232000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1001 AM EDT Sat Aug 23 2025 /901 AM CDT Sat Aug 23 2025/

.REST OF TODAY...Northwest winds 20 to 30 knots backing west in
the afternoon, then diminishing to 15 to 25 knots late. Waves
3 to 5 feet occasionally to 7 feet subsiding to 2 to 4 feet.
.TONIGHT...West winds 20 to 30 knots veering northwest after
midnight. A slight chance of showers and thunderstorms after
midnight. Waves 2 to 4 feet.
.SUNDAY...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon. A slight chance of showers. Waves
building to 3 to 5 feet occasionally to 7 feet, then subsiding to
2 to 4 feet.
.SUNDAY NIGHT...Northwest winds 10 to 20 knots. Waves subsiding
to 1 to 3 feet.
$$

LSZ263-232000-
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 Sat Aug 23 2025

.REST OF TODAY...Northwest winds 15 to 25 knots backing west in
the afternoon. Waves 3 to 6 feet occasionally to 8 feet.
.TONIGHT...West winds 20 to 30 knots becoming northwest 15 to
25 knots after midnight. A slight chance of showers and
thunderstorms after midnight. Waves subsiding to 3 to 6 feet
occasionally to 8 feet.
.SUNDAY...Northwest winds 15 to 25 knots. A chance of showers and
a slight chance of thunderstorms. Waves subsiding to 2 to 4 feet.
.SUNDAY NIGHT...Northwest winds 15 to 25 knots. Waves building to
3 to 5 feet occasionally to 7 feet.
$$

LSZ264-232000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1001 AM EDT Sat Aug 23 2025

.REST OF TODAY...Northwest winds 15 to 25 knots becoming west
20 to 30 knots late. Waves 3 to 6 feet occasionally to 8 feet.
.TONIGHT...West winds 15 to 25 knots veering northwest after
midnight. Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.SUNDAY...Northwest winds 15 to 25 knots. A slight chance of
showers. Waves subsiding to 2 to 4 feet, then building to 3 to
5 feet occasionally to 7 feet.
.SUNDAY NIGHT...Northwest winds 15 to 25 knots. Waves subsiding
to 2 to 4 feet, then building to 3 to 5 feet occasionally to
7 feet.
$$

LSZ265-232000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1001 AM EDT Sat Aug 23 2025

.REST OF TODAY...Northwest winds 20 to 30 knots backing west
late. Waves 3 to 5 feet occasionally to 7 feet.
.TONIGHT...West winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. A slight chance of showers after
midnight. Waves subsiding to 1 to 3 feet.
.SUNDAY...Northwest winds 15 to 25 knots increasing to 20 to
30 knots late. A chance of showers and a slight chance of
thunderstorms. Waves subsiding to calm to 2 feet, then building
to 1 to 3 feet.
.SUNDAY NIGHT...Northwest winds 20 to 30 knots. A slight chance
of showers through midnight. Waves 1 to 3 feet.
$$

LSZ266-232000-
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 Sat Aug 23 2025

.REST OF TODAY...Northwest winds 20 to 30 knots backing west
late. A slight chance of showers by late morning. Waves 3 to
6 feet occasionally to 8 feet.
.TONIGHT...West winds 15 to 25 knots. A slight chance of showers
after midnight. Waves subsiding to 2 to 4 feet.
.SUNDAY...Northwest winds 15 to 25 knots increasing to 20 to
30 knots late. A chance of showers and a slight chance of
thunderstorms. Waves building to 3 to 5 feet occasionally to
7 feet.
.SUNDAY NIGHT...Northwest winds 15 to 25 knots. A slight chance
of showers. Waves building to 3 to 6 feet occasionally to 8 feet.
$$

LSZ267-232000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1001 AM EDT Sat Aug 23 2025

.REST OF TODAY...West winds 20 to 30 knots. A slight chance of
showers by late morning. Waves 2 to 4 feet building to 3 to
6 feet occasionally to 8 feet.
.TONIGHT...West winds 15 to 25 knots. A slight chance of showers
after midnight. Waves subsiding to 3 to 5 feet occasionally to
7 feet.
.SUNDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. A chance of showers and a slight
chance of thunderstorms. Waves subsiding to 2 to 4 feet, then
building to 3 to 5 feet occasionally to 7 feet.
.SUNDAY NIGHT...Northwest winds 20 to 30 knots diminishing to
15 to 25 knots after midnight. A slight chance of showers. Waves
building to 3 to 6 feet occasionally to 8 feet.
$$