635
AXUS43 KMQT 301401
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
1001 AM EDT Thu Jul 30 2026

LSZ162-302000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1001 AM EDT Thu Jul 30 2026 /901 AM CDT Thu Jul 30 2026/

.REST OF TODAY...Southwest winds 10 to 20 knots increasing to
15 to 25 knots in the afternoon, then becoming west 10 to
20 knots late. A chance of showers and thunderstorms. Waves calm
to 2 feet building to 1 to 3 feet, then subsiding to calm to
2 feet.
.TONIGHT...West winds 5 to 15 knots backing southwest after
midnight, then veering west late. Patchy smoke. A chance of
showers and a slight chance of thunderstorms. Waves calm to
2 feet.
.FRIDAY...West winds 5 to 15 knots. Patchy smoke. A chance of
showers. A slight chance of thunderstorms by mid afternoon. Waves
calm to 2 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots veering north after
midnight. Waves calm to 2 feet.
$$

LSZ263-302000-
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 Thu Jul 30 2026

.REST OF TODAY...Southwest winds 5 to 15 knots increasing to
10 to 20 knots in the afternoon, then veering west late. Patchy
smoke by late morning. A slight chance of showers. A slight
chance of thunderstorms by mid afternoon. Waves calm to 2 feet
building to 2 to 4 feet, then subsiding to 1 to 3 feet.
.TONIGHT...West winds 10 to 20 knots diminishing to 5 to 15 knots
after midnight. A slight chance of showers and thunderstorms.
Waves subsiding to calm to 2 feet.
.FRIDAY...West winds 5 to 15 knots. Patchy smoke through early
afternoon. A slight chance of showers and thunderstorms. Waves
calm to 2 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots veering north after
midnight. Waves calm to 2 feet.
$$

LSZ264-302000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1001 AM EDT Thu Jul 30 2026

.REST OF TODAY...Southwest winds 5 to 15 knots increasing to
10 to 20 knots in the afternoon. Patchy smoke by late morning. A
slight chance of showers by late morning. Waves calm to 2 feet
building to 1 to 3 feet.
.TONIGHT...Southwest winds 5 to 15 knots veering west after
midnight. A slight chance of showers and thunderstorms. Waves
subsiding to calm to 2 feet.
.FRIDAY...West winds 5 to 15 knots. A slight chance of showers.
Waves calm to 2 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots veering north after
midnight. Waves calm to 2 feet.
$$

LSZ265-302000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1001 AM EDT Thu Jul 30 2026

.REST OF TODAY...South winds 10 to 20 knots veering southwest
late. Patchy smoke by late morning. A chance of showers. A slight
chance of thunderstorms by mid afternoon. Waves calm to 2 feet.
.TONIGHT...Southwest winds 10 to 20 knots veering west late. A
slight chance of thunderstorms through midnight. A slight chance
of showers. Waves calm to 2 feet.
.FRIDAY...West winds 10 to 20 knots becoming southwest 5 to
15 knots late. Patchy smoke through early afternoon. A chance of
showers. A slight chance of thunderstorms by mid afternoon. Waves
calm to 2 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots veering north after
midnight. A slight chance of showers and thunderstorms through
midnight. Waves calm to 2 feet.
$$

LSZ266-302000-
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 Thu Jul 30 2026

.REST OF TODAY...South winds 5 to 15 knots. Patchy smoke. A
slight chance of showers. A slight chance of thunderstorms by mid
afternoon. Waves calm to 2 feet.
.TONIGHT...South winds 5 to 15 knots becoming southwest 10 to
20 knots after midnight, then becoming west 5 to 15 knots late. A
slight chance of showers and thunderstorms. Patchy smoke after
midnight. Waves calm to 2 feet.
.FRIDAY...West winds 5 to 15 knots. Patchy smoke through early
afternoon. A chance of showers. A slight chance of thunderstorms
by mid afternoon. Waves calm to 2 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots veering north after
midnight. A slight chance of showers and thunderstorms through
midnight. Waves calm to 2 feet.
$$

LSZ267-302000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1001 AM EDT Thu Jul 30 2026

.REST OF TODAY...Southeast winds 5 to 15 knots. Patchy smoke by
mid afternoon. A slight chance of showers and thunderstorms by
mid afternoon. Waves calm to 2 feet.
.TONIGHT...South winds 5 to 15 knots veering southwest after
midnight. Patchy smoke. A chance of showers and a slight chance
of thunderstorms. Waves calm to 2 feet.
.FRIDAY...West winds 5 to 15 knots. A slight chance of showers
through early afternoon. Patchy smoke. Waves calm to 2 feet.
.FRIDAY NIGHT...West winds 5 to 15 knots veering northwest after
midnight. A chance of showers and a slight chance of
thunderstorms. Waves calm to 2 feet.
$$