514
AXUS43 KMQT 181401
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
1001 AM EDT Fri Sep 18 2026

LSZ162-182000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1001 AM EDT Fri Sep 18 2026 /901 AM CDT Fri Sep 18 2026/

.REST OF TODAY...East winds 10 to 20 knots. A slight chance of
showers by mid afternoon. Waves 1 to 3 feet building to 2 to
4 feet.
.TONIGHT...East winds 10 to 20 knots diminishing to 5 to 15 knots
late. A slight chance of showers through midnight. Waves
subsiding to calm to 2 feet.
.SATURDAY...East winds 5 to 15 knots backing northeast late.
Waves calm to 2 feet.
.SATURDAY NIGHT...North winds 5 to 15 knots becoming northeast
10 to 20 knots after midnight. Waves building to 1 to 3 feet.
$$

LSZ263-182000-
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 Fri Sep 18 2026

.REST OF TODAY...East winds 5 to 15 knots. A slight chance of
showers by mid afternoon. Waves 1 to 3 feet.
.TONIGHT...East winds 5 to 15 knots veering southeast after
midnight. A slight chance of showers through midnight. Waves
subsiding to calm to 2 feet.
.SATURDAY...Southeast winds 5 to 15 knots backing northeast late.
Waves calm to 2 feet.
.SATURDAY NIGHT...Northeast winds 5 to 15 knots increasing to
10 to 20 knots after midnight. Waves building to 1 to 3 feet.
$$

LSZ264-182000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1001 AM EDT Fri Sep 18 2026

.REST OF TODAY...East winds 5 to 15 knots veering southeast in
the afternoon. Waves 1 to 3 feet subsiding to calm to 2 feet.
.TONIGHT...Southeast winds 5 to 15 knots veering south late.
Waves calm to 2 feet.
.SATURDAY...South winds 5 to 15 knots backing southeast in the
afternoon, then diminishing to less than 10 knots late. Waves
calm to 2 feet.
.SATURDAY NIGHT...Southeast winds less than 10 knots becoming
north 10 to 20 knots after midnight. Waves calm to 2 feet.
$$

LSZ265-182000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1001 AM EDT Fri Sep 18 2026

.REST OF TODAY...East winds 10 to 20 knots increasing to 15 to
25 knots late. Waves 1 to 3 feet.
.TONIGHT...Southeast winds 10 to 20 knots veering south late.
Waves subsiding to calm to 2 feet.
.SATURDAY...Southeast winds 10 to 20 knots backing east late.
Waves calm to 2 feet.
.SATURDAY NIGHT...East winds 5 to 15 knots becoming north 10 to
20 knots after midnight. Waves calm to 2 feet.
$$

LSZ266-182000-
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 Fri Sep 18 2026

.REST OF TODAY...East winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon. Waves 1 to 3 feet subsiding to calm to
2 feet.
.TONIGHT...East winds 5 to 15 knots veering southeast after
midnight, then becoming south 10 to 20 knots late. Waves calm to
2 feet.
.SATURDAY...Southeast winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon, then backing east late. Waves calm to
2 feet.
.SATURDAY NIGHT...East winds 5 to 15 knots becoming north 10 to
20 knots after midnight. Waves calm to 2 feet.
$$

LSZ267-182000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1001 AM EDT Fri Sep 18 2026

.REST OF TODAY...Northeast winds 10 to 20 knots diminishing to
5 to 15 knots in the afternoon. Waves 1 to 3 feet subsiding to
calm to 2 feet.
.TONIGHT...Northeast winds 5 to 15 knots veering southeast after
midnight, then becoming south 10 to 20 knots late. Waves calm to
2 feet.
.SATURDAY...Southeast winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon, then backing east late. Waves calm to
2 feet.
.SATURDAY NIGHT...East winds 5 to 15 knots backing north after
midnight. Waves calm to 2 feet.
$$