599
AXUS43 KMQT 091402
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
1001 AM EDT Thu Oct 9 2025

LSZ162-092000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
1001 AM EDT Thu Oct 9 2025 /901 AM CDT Thu Oct 9 2025/

.REST OF TODAY...South winds 10 to 20 knots. Waves 1 to 3 feet.
.TONIGHT...South winds 15 to 25 knots increasing to 20 to
30 knots after midnight, then becoming southwest 15 to 25 knots
late. A chance of showers. Waves building to 3 to 6 feet
occasionally to 8 feet.
.FRIDAY...Northwest winds 20 to 30 knots diminishing to 15 to
25 knots late. A chance of showers. Waves subsiding to 1 to
3 feet.
.FRIDAY NIGHT...North winds 10 to 20 knots. A slight chance of
showers through midnight. Waves 1 to 3 feet.
$$

LSZ263-092000-
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 Oct 9 2025

.REST OF TODAY...South winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon, then diminishing to 10 to 20 knots
late. Waves 1 to 3 feet building to 2 to 4 feet, then subsiding
to 1 to 3 feet.
.TONIGHT...South winds 20 to 30 knots. Showers likely. Waves
building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY...West winds 20 to 30 knots veering northwest in the
afternoon. A slight chance of thunderstorms through early
afternoon. Showers likely. Waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 6 feet
occasionally to 8 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots veering northeast
after midnight. A slight chance of showers through midnight.
Waves subsiding to 2 to 4 feet.
$$

LSZ264-092000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
1001 AM EDT Thu Oct 9 2025

.REST OF TODAY...Southwest winds 10 to 20 knots backing south in
the afternoon. Waves 1 to 3 feet building to 2 to 4 feet, then
subsiding to 1 to 3 feet.
.TONIGHT...South winds 15 to 25 knots becoming southwest 20 to
30 knots after midnight, then becoming south 15 to 25 knots late.
A slight chance of showers through midnight, then showers after
midnight. Waves building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY...Southwest winds 20 to 30 knots veering west in the
afternoon, then veering north late. A slight chance of
thunderstorms through early afternoon. Showers. Waves building to
4 to 7 feet occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots becoming northeast
10 to 20 knots after midnight. A slight chance of showers through
midnight. Waves subsiding to 2 to 4 feet.
$$

LSZ265-092000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
1001 AM EDT Thu Oct 9 2025

.REST OF TODAY...Southwest winds 10 to 20 knots becoming south
15 to 25 knots in the afternoon. Waves calm to 2 feet building to
1 to 3 feet.
.TONIGHT...South winds 20 to 30 knots. Showers after midnight.
Waves building to 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet.
.FRIDAY...Southwest winds 20 to 30 knots veering northwest late.
A slight chance of thunderstorms through early afternoon.
Showers. Waves subsiding to 1 to 3 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots veering northeast
after midnight. A chance of showers. Waves building to 2 to
4 feet.
$$

LSZ266-092000-
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 Oct 9 2025

.REST OF TODAY...South winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. Waves 2 to 4 feet.
.TONIGHT...South winds 20 to 30 knots increasing to 30 knots with
a few gale force gusts to 35 knots possible after midnight.
Showers after midnight. Waves building to 4 to 7 feet
occasionally to 9 feet.
.FRIDAY...South winds 20 to 30 knots veering southwest in the
afternoon, then becoming west 15 to 25 knots late. A slight
chance of thunderstorms through early afternoon. Showers. Waves
building to 5 to 8 feet occasionally to 10 feet, then subsiding
to 3 to 5 feet occasionally to 7 feet.
.FRIDAY NIGHT...Northeast winds 15 to 25 knots. A chance of
showers. Waves subsiding to 2 to 4 feet.
$$

LSZ267-092000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
1001 AM EDT Thu Oct 9 2025

.REST OF TODAY...South winds 10 to 20 knots increasing to 15 to
25 knots late. Waves 1 to 3 feet.
.TONIGHT...South winds 15 to 25 knots increasing to 20 to
30 knots after midnight. A chance of showers after midnight.
Waves building to 3 to 6 feet occasionally to 8 feet.
.FRIDAY...South winds 20 to 30 knots diminishing to 15 to
25 knots late. Showers. Waves building to 4 to 7 feet
occasionally to 9 feet, then subsiding to 3 to 5 feet
occasionally to 7 feet.
.FRIDAY NIGHT...East winds 15 to 25 knots backing northeast after
midnight. Showers likely through midnight, then a slight chance
of showers after midnight. Waves subsiding to 2 to 4 feet.
$$