621
AXUS43 KMQT 280201
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
1001 PM EDT Wed Aug 27 2025

LSZ162-280800-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1001 PM EDT Wed Aug 27 2025 /901 PM CDT Wed Aug 27 2025/

.REST OF TONIGHT...North winds 10 to 20 knots veering northeast
after midnight, then increasing to 15 to 25 knots late. A slight
chance of showers by midnight. Waves calm to 2 feet building to
3 to 5 feet occasionally to 7 feet.
.THURSDAY...Northeast winds 15 to 25 knots veering east in the
afternoon, then diminishing to 10 to 20 knots late. Waves
building to 3 to 6 feet occasionally to 8 feet, then 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-
1001 PM EDT Wed Aug 27 2025

.REST OF TONIGHT...North winds 5 to 15 knots becoming northeast
15 to 25 knots after midnight. A slight chance of showers by
midnight. Waves 2 to 4 feet building to 3 to 5 feet occasionally
to 7 feet.
.THURSDAY...Northeast winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. Waves building to 3 to 6 feet
occasionally to 8 feet, then 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-
1001 PM EDT Wed Aug 27 2025

.REST OF TONIGHT...North winds 10 to 20 knots becoming northeast
15 to 25 knots after midnight. A slight chance of showers by
midnight. Waves 3 to 6 feet occasionally to 8 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-
1001 PM EDT Wed Aug 27 2025

.REST OF TONIGHT...Northwest winds 10 to 20 knots becoming north
15 to 25 knots after midnight, then becoming northeast 20 to
30 knots late. A chance of showers by midnight. Waves 1 to 3 feet
building to 3 to 6 feet occasionally to 8 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 building to 4 to 7 feet occasionally to 9 feet, then
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-
1001 PM EDT Wed Aug 27 2025

.REST OF TONIGHT...Northwest winds 10 to 20 knots becoming north
15 to 25 knots after midnight, then becoming northeast 20 to
30 knots late. A chance of showers by midnight. Waves 3 to 6 feet
occasionally to 8 feet.
.THURSDAY...Northeast winds 20 to 30 knots backing north in the
afternoon, then diminishing to 10 to 20 knots late. Waves
building to 4 to 7 feet occasionally to 9 feet, then 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-
1001 PM EDT Wed Aug 27 2025

.REST OF TONIGHT...Northwest winds 10 to 20 knots becoming north
15 to 25 knots after midnight, then becoming northeast 20 to
30 knots late. A chance of showers by midnight. Waves 3 to 6 feet
occasionally to 8 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.
$$