644
AXUS43 KMQT 050801
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
401 AM EDT Sun Oct 5 2025

LSZ162-052000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
401 AM EDT Sun Oct 5 2025 /301 AM CDT Sun Oct 5 2025/

...GALE WARNING IN EFFECT FROM 2 PM EDT /1 PM CDT/ THIS AFTERNOON
THROUGH LATE TONIGHT...

.EARLY THIS MORNING...South winds 15 to 25 knots. Waves 3 to
5 feet occasionally to 7 feet.
.TODAY...South winds 20 to 30 knots increasing to gales to
35 knots in the afternoon, then becoming southwest gales to
40 knots late. A slight chance of showers by mid afternoon. Waves
building to 5 to 8 feet occasionally to 10 feet.
.TONIGHT...West gales to 40 knots becoming northwest 15 to
25 knots late. Waves subsiding to 1 to 3 feet.
.MONDAY...Northwest winds 10 to 20 knots backing southwest late.
Waves subsiding to calm to 2 feet.
.MONDAY NIGHT...West winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Waves building to 2 to 4 feet.
$$

LSZ263-052000-
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 AM EDT Sun Oct 5 2025

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South winds 20 to 30 knots. Waves 3 to
6 feet occasionally to 8 feet.
.TODAY...South winds 20 to 30 knots increasing to gales to
40 knots in the afternoon. A slight chance of showers and
thunderstorms by mid afternoon. Waves building to 5 to 8 feet
occasionally to 10 feet.
.TONIGHT...Southwest gales to 40 knots veering west after
midnight, then becoming northwest 20 to 30 knots late. A slight
chance of showers and thunderstorms through midnight. Waves
building to 6 to 9 feet occasionally to 11 feet, then subsiding
to 3 to 6 feet occasionally to 8 feet.
.MONDAY...Northwest winds 10 to 20 knots backing west in the
afternoon. Waves subsiding to calm to 2 feet, then building to
1 to 3 feet.
.MONDAY NIGHT...West winds 15 to 25 knots. Waves building to 3 to
6 feet occasionally to 8 feet.
$$

LSZ264-052000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
401 AM EDT Sun Oct 5 2025

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South winds 15 to 25 knots. Waves 3 to
6 feet occasionally to 8 feet.
.TODAY...South winds 20 to 30 knots increasing to gales to
35 knots in the afternoon. A slight chance of showers by mid
afternoon. Waves building to 5 to 8 feet occasionally to 10 feet.
.TONIGHT...Southwest gales to 35 knots veering west after
midnight, then becoming northwest 20 to 30 knots late. A slight
chance of showers and thunderstorms through midnight. Waves
building to 7 to 10 feet occasionally to 13 feet, then subsiding
to 5 to 8 feet occasionally to 10 feet.
.MONDAY...Northwest winds 15 to 25 knots becoming west 10 to
20 knots in the afternoon. Waves subsiding to calm to 2 feet.
.MONDAY NIGHT...West winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Waves building to 3 to 6 feet
occasionally to 8 feet.
$$

LSZ265-052000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
401 AM EDT Sun Oct 5 2025

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South winds 15 to 25 knots. Waves 2 to
4 feet subsiding to 1 to 3 feet.
.TODAY...South winds 20 to 30 knots increasing to gales to
40 knots in the afternoon. Waves building to 3 to 5 feet
occasionally to 7 feet.
.TONIGHT...South gales to 40 knots becoming west gales to
35 knots after midnight, then becoming northwest 20 to 30 knots
late. A slight chance of thunderstorms through midnight. A chance
of showers. Waves building to 3 to 6 feet occasionally to 8 feet,
then subsiding to 2 to 4 feet.
.MONDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon, then backing west late. Waves
subsiding to calm to 2 feet.
.MONDAY NIGHT...West winds 10 to 20 knots increasing to 15 to
25 knots after midnight. Waves building to 1 to 3 feet.
$$

LSZ266-052000-
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 AM EDT Sun Oct 5 2025

...GALE WARNING IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH
LATE TONIGHT...

.EARLY THIS MORNING...South winds 20 to 30 knots. Waves 3 to
6 feet occasionally to 8 feet.
.TODAY...South winds 20 to 30 knots increasing to gales to
40 knots in the afternoon. Waves building to 6 to 9 feet
occasionally to 11 feet.
.TONIGHT...South gales to 40 knots becoming west gales to
35 knots after midnight, then becoming northwest 20 to 30 knots
late. A chance of showers and a slight chance of thunderstorms.
Waves building to 7 to 10 feet occasionally to 13 feet, then
subsiding to 5 to 8 feet occasionally to 10 feet.
.MONDAY...Northwest winds 15 to 25 knots diminishing to 5 to
15 knots. A slight chance of showers through early afternoon.
Waves subsiding to 2 to 4 feet.
.MONDAY NIGHT...West winds 10 to 20 knots increasing to 15 to
25 knots after midnight. A slight chance of showers through
midnight. Waves subsiding to 1 to 3 feet, then building to 3 to
5 feet occasionally to 7 feet.
$$

LSZ267-052000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
401 AM EDT Sun Oct 5 2025

.EARLY THIS MORNING...South winds 15 to 25 knots. Waves 2 to
4 feet.
.TODAY...South winds 15 to 25 knots increasing to 30 knots with a
few gale force gusts to 35 knots possible. Waves building to 5 to
8 feet occasionally to 10 feet.
.TONIGHT...South winds to 30 knots with a few gale force gusts to
35 knots possible becoming west 20 to 30 knots late. A chance of
showers through midnight. A slight chance of thunderstorms.
Showers after midnight. Waves subsiding to 4 to 8 feet
occasionally to 10 feet.
.MONDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. A slight chance of showers. Waves
subsiding to 2 to 4 feet.
.MONDAY NIGHT...West winds 10 to 20 knots. A slight chance of
showers through midnight. Waves subsiding to calm to 2 feet, then
building to 2 to 4 feet.
$$