352
AXUS43 KMQT 130801
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
400 AM EDT Mon Jul 13 2026

LSZ162-132000-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
400 AM EDT Mon Jul 13 2026 /300 AM CDT Mon Jul 13 2026/

.EARLY THIS MORNING...Southwest winds 10 to 20 knots. Waves 1 to
3 feet.
.TODAY...Southwest winds 15 to 25 knots increasing to 20 to
30 knots late. Waves building to 3 to 6 feet occasionally to
8 feet.
.TONIGHT...Southwest winds 20 to 30 knots diminishing to 15 to
25 knots after midnight. Waves subsiding to 2 to 4 feet.
.TUESDAY...Southwest winds 10 to 20 knots diminishing to 5 to
15 knots in the afternoon, then veering west late. Waves
subsiding to calm to 2 feet.
.TUESDAY NIGHT...North winds 5 to 15 knots. Waves calm to 2 feet.
$$

LSZ263-132000-
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-
400 AM EDT Mon Jul 13 2026

.EARLY THIS MORNING...Southwest winds 15 to 25 knots. Waves 3 to
5 feet occasionally to 7 feet.
.TODAY...Southwest winds 15 to 25 knots increasing to 20 to
30 knots late. Waves building to 5 to 8 feet occasionally to
10 feet.
.TONIGHT...Southwest winds 20 to 30 knots becoming west 15 to
25 knots late. Waves subsiding to 3 to 6 feet occasionally to
8 feet.
.TUESDAY...West winds 10 to 20 knots diminishing to 5 to 15 knots
in the afternoon. Waves subsiding to 1 to 3 feet.
.TUESDAY NIGHT...Northwest winds 5 to 15 knots. Waves subsiding
to calm to 2 feet.
$$

LSZ264-132000-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
400 AM EDT Mon Jul 13 2026

.EARLY THIS MORNING...West winds 15 to 25 knots. Waves 3 to
5 feet occasionally to 7 feet.
.TODAY...West winds 15 to 25 knots backing southwest in the
afternoon, then increasing to 20 to 30 knots late. Waves building
to 4 to 7 feet occasionally to 9 feet.
.TONIGHT...Southwest winds 20 to 30 knots veering west after
midnight. Waves building to 4 to 8 feet occasionally to 10 feet.
.TUESDAY...West winds 15 to 25 knots diminishing to 5 to
15 knots. Waves subsiding to 1 to 3 feet.
.TUESDAY NIGHT...West winds 5 to 15 knots veering northwest after
midnight. Waves subsiding to calm to 2 feet.
$$

LSZ265-132000-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
400 AM EDT Mon Jul 13 2026

.EARLY THIS MORNING...West winds 10 to 20 knots. Waves 2 to
4 feet.
.TODAY...West winds 15 to 25 knots diminishing to 10 to 20 knots
in the afternoon. Waves subsiding to calm to 2 feet, then
building to 1 to 3 feet.
.TONIGHT...Southwest winds 10 to 20 knots becoming west 15 to
25 knots after midnight. Waves building to 3 to 5 feet
occasionally to 7 feet.
.TUESDAY...West winds 15 to 25 knots becoming northwest 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. Waves subsiding to calm to 2 feet.
.TUESDAY NIGHT...Northwest winds 5 to 15 knots increasing to
10 to 20 knots after midnight. Waves calm to 2 feet.
$$

LSZ266-132000-
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-
400 AM EDT Mon Jul 13 2026

.EARLY THIS MORNING...Southwest winds 20 to 30 knots. A slight
chance of showers. Waves 3 to 5 feet occasionally to 7 feet.
.TODAY...West winds 15 to 25 knots backing south late. Waves
subsiding to 2 to 4 feet, then building to 3 to 6 feet
occasionally to 8 feet.
.TONIGHT...Southwest winds 20 to 30 knots veering west after
midnight. Waves building to 5 to 8 feet occasionally to 10 feet.
.TUESDAY...West winds 15 to 25 knots becoming northwest 10 to
20 knots in the afternoon, then diminishing to 5 to 15 knots
late. Waves subsiding to 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 5 to 15 knots. Waves subsiding
to calm to 2 feet.
$$

LSZ267-132000-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
400 AM EDT Mon Jul 13 2026

.EARLY THIS MORNING...Southwest winds 10 to 20 knots. A slight
chance of showers. Waves calm to 2 feet.
.TODAY...West winds 5 to 15 knots backing south late. Waves
building to 1 to 3 feet, then subsiding to calm to 2 feet.
.TONIGHT...South winds 5 to 15 knots becoming southwest 10 to
20 knots after midnight, then becoming west 15 to 25 knots late.
Waves building to 4 to 7 feet occasionally to 9 feet.
.TUESDAY...West winds 15 to 25 knots diminishing to 10 to
20 knots in the afternoon. Waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 2 to 4 feet.
.TUESDAY NIGHT...Northwest winds 5 to 15 knots backing west after
midnight. Waves subsiding to calm to 2 feet.
$$