735
AXUS43 KMQT 272001
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
401 PM EDT Wed Aug 27 2025

LSZ162-280800-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
401 PM EDT Wed Aug 27 2025 /301 PM CDT Wed Aug 27 2025/

.LATE THIS AFTERNOON...West winds 10 to 20 knots. A chance of
showers and thunderstorms. Waves 3 to 5 feet occasionally to
7 feet subsiding to 2 to 4 feet.
.TONIGHT...West winds 10 to 20 knots veering northeast after
midnight, then increasing to 15 to 25 knots late. A chance of
showers and a slight chance of thunderstorms through midnight.
Waves subsiding to calm to 2 feet, then building to 3 to 6 feet
occasionally to 8 feet.
.THURSDAY...Northeast winds 15 to 25 knots veering east in the
afternoon, then diminishing to 10 to 20 knots late. Waves
subsiding to 2 to 4 feet.
.THURSDAY NIGHT...East winds 5 to 15 knots veering southeast
late. Waves subsiding to calm to 2 feet.
.FRIDAY...South winds 5 to 15 knots. Waves calm to 2 feet.
$$

LSZ263-280800-
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 Wed Aug 27 2025

.LATE THIS AFTERNOON...West winds 20 to 30 knots. A chance of
showers and thunderstorms. Waves 5 to 8 feet occasionally to
10 feet subsiding to 3 to 6 feet occasionally to 8 feet.
.TONIGHT...West winds 10 to 20 knots becoming northeast 15 to
25 knots after midnight. A chance of showers and a slight chance
of thunderstorms through midnight. Waves subsiding to 2 to
4 feet, then building to 3 to 6 feet occasionally to 8 feet.
.THURSDAY...Northeast winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. Waves subsiding to 2 to 4 feet.
.THURSDAY NIGHT...East winds 5 to 15 knots veering southeast
after midnight, then becoming south less than 10 knots late.
Waves subsiding to calm to 2 feet.
.FRIDAY...South winds 5 to 15 knots veering southwest by mid
afternoon. Waves calm to 2 feet.
$$

LSZ264-280800-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
401 PM EDT Wed Aug 27 2025

.LATE THIS AFTERNOON...West winds 20 to 30 knots. A chance of
showers and a slight chance of thunderstorms. Waves 5 to 8 feet
occasionally to 10 feet.
.TONIGHT...North winds 10 to 20 knots becoming northeast 15 to
25 knots after midnight. A chance of showers through midnight.
Waves subsiding to 3 to 5 feet occasionally to 7 feet, then
building to 5 to 8 feet occasionally to 10 feet.
.THURSDAY...Northeast winds 10 to 20 knots backing north late.
Waves subsiding to 2 to 4 feet.
.THURSDAY NIGHT...North winds 5 to 15 knots becoming southwest
less than 10 knots after midnight. Waves subsiding to calm to
2 feet.
.FRIDAY...Southwest winds 5 to 15 knots. Waves calm to 2 feet.
$$

LSZ265-280800-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
401 PM EDT Wed Aug 27 2025

.LATE THIS AFTERNOON...West winds 15 to 25 knots. A chance of
showers and a slight chance of thunderstorms. Waves 3 to 5 feet
occasionally to 7 feet.
.TONIGHT...West winds 15 to 25 knots veering northeast after
midnight, then increasing to 20 to 30 knots late. A chance of
showers and a slight chance of thunderstorms through midnight.
Waves subsiding to 1 to 3 feet, then building to 5 to 8 feet
occasionally to 10 feet.
.THURSDAY...Northeast winds 20 to 30 knots diminishing to 15 to
25 knots in the afternoon, then becoming north 10 to 20 knots
late. Waves subsiding to 3 to 5 feet occasionally to 7 feet.
.THURSDAY NIGHT...North winds 5 to 15 knots veering northeast
after midnight, then backing north late. Waves subsiding to calm
to 2 feet.
.FRIDAY...West winds 5 to 15 knots backing southeast by mid
afternoon. Waves calm to 2 feet.
$$

LSZ266-280800-
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 Wed Aug 27 2025

.LATE THIS AFTERNOON...West winds 15 to 25 knots. A chance of
showers and a slight chance of thunderstorms. Waves 5 to 8 feet
occasionally to 10 feet.
.TONIGHT...West winds 15 to 25 knots veering north after
midnight, then becoming northeast 20 to 30 knots late. A chance
of showers and a slight chance of thunderstorms through midnight.
Waves subsiding to 3 to 6 feet occasionally to 8 feet, then
building to 5 to 8 feet occasionally to 10 feet.
.THURSDAY...Northeast winds 20 to 30 knots backing north in the
afternoon, then diminishing to 10 to 20 knots late. Waves
subsiding to 3 to 5 feet occasionally to 7 feet.
.THURSDAY NIGHT...North winds 5 to 15 knots. Waves subsiding to
calm to 2 feet.
.FRIDAY...North winds 5 to 15 knots backing southwest by mid
afternoon. Waves calm to 2 feet.
$$

LSZ267-280800-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
401 PM EDT Wed Aug 27 2025

.LATE THIS AFTERNOON...West winds 15 to 25 knots. A chance of
showers and a slight chance of thunderstorms. Waves 4 to 7 feet
occasionally to 9 feet.
.TONIGHT...West winds 15 to 25 knots veering north after
midnight, then becoming northeast 20 to 30 knots late. A chance
of showers through midnight. Waves subsiding to 3 to 6 feet
occasionally to 8 feet, then building to 4 to 7 feet occasionally
to 9 feet.
.THURSDAY...North winds 20 to 30 knots. Waves subsiding to 3 to
5 feet occasionally to 7 feet.
.THURSDAY NIGHT...North winds 15 to 25 knots becoming northeast
10 to 20 knots after midnight, then backing north late. Waves
subsiding to calm to 2 feet.
.FRIDAY...North winds 5 to 15 knots backing northwest by mid
afternoon. Waves calm to 2 feet.
$$