061
AXUS43 KMQT 171948
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
348 PM EDT Thu Apr 17 2025

LSZ162-180400-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
348 PM EDT Thu Apr 17 2025 /248 PM CDT Thu Apr 17 2025/

.LATE THIS AFTERNOON...Northeast winds 10 to 20 knots. Rain
showers and a slight chance of thunderstorms. Waves 2 to 4 feet.
.TONIGHT...Northeast winds 5 to 15 knots backing northwest late.
Patchy fog. Rain showers through midnight. A slight chance of
rain showers after midnight. Waves subsiding to calm to 2 feet.
.FRIDAY...Northwest winds 10 to 20 knots becoming north 5 to
15 knots in the afternoon. A chance of rain showers. Waves calm
to 2 feet.
.FRIDAY NIGHT...Northwest winds 5 to 15 knots increasing to 10 to
20 knots after midnight. A chance of rain showers through
midnight. Waves calm to 2 feet.
.SATURDAY...Northwest winds 5 to 15 knots backing west by mid
afternoon. Waves calm to 2 feet.
$$

LSZ263-180400-
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-
348 PM EDT Thu Apr 17 2025

.LATE THIS AFTERNOON...Southeast winds 10 to 20 knots. Rain
showers likely and a slight chance of thunderstorms. Waves 3 to
6 feet occasionally to 8 feet.
.TONIGHT...Southeast winds 5 to 15 knots backing east after
midnight, then backing north late. Patchy fog. A slight chance of
thunderstorms through midnight. Rain showers. Waves subsiding to
1 to 3 feet.
.FRIDAY...North winds 5 to 15 knots backing northwest late. A
chance of rain showers. Waves subsiding to calm to 2 feet, then
building to 1 to 3 feet.
.FRIDAY NIGHT...North winds 5 to 15 knots increasing to 10 to
20 knots after midnight. A chance of rain showers, possibly mixed
with snow through midnight. Waves building to 2 to 4 feet.
.SATURDAY...Northwest winds 10 to 20 knots becoming west 5 to
15 knots by mid afternoon. Waves subsiding to calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots backing south
after midnight. Waves calm to 2 feet.
$$

LSZ264-180400-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
348 PM EDT Thu Apr 17 2025

.LATE THIS AFTERNOON...Southeast winds 20 to 30 knots. A chance
of rain showers and a slight chance of thunderstorms. Waves 6 to
9 feet occasionally to 11 feet.
.TONIGHT...Southeast winds 20 to 30 knots diminishing to 10 to
20 knots after midnight, then backing north late. Patchy fog. A
slight chance of thunderstorms through midnight. Rain showers.
Waves subsiding to 2 to 4 feet.
.FRIDAY...North winds 10 to 20 knots. A chance of rain showers.
Waves subsiding to 1 to 3 feet.
.FRIDAY NIGHT...North winds 10 to 20 knots increasing to 15 to
25 knots after midnight, then diminishing to 10 to 20 knots late.
A chance of rain showers, possibly mixed with snow through
midnight. Waves building to 3 to 5 feet occasionally to 7 feet.
.SATURDAY...North winds 10 to 20 knots backing northwest by mid
afternoon. Waves subsiding to calm to 2 feet.
$$

LSZ265-180400-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
348 PM EDT Thu Apr 17 2025

.LATE THIS AFTERNOON...Southeast winds 20 to 30 knots. A slight
chance of showers and thunderstorms. Waves 3 to 6 feet
occasionally to 8 feet.
.TONIGHT...Southeast winds 15 to 25 knots diminishing to 10 to
20 knots after midnight, then becoming south 5 to 15 knots late.
Patchy fog. A slight chance of thunderstorms through midnight.
Rain showers. Waves subsiding to 1 to 3 feet.
.FRIDAY...West winds 10 to 20 knots veering northwest in the
afternoon. A chance of rain showers. Waves subsiding to calm to
2 feet, then building to 1 to 3 feet.
.FRIDAY NIGHT...Northwest winds 10 to 20 knots veering north
after midnight, then backing northwest late. A chance of rain
showers through midnight. Waves building to 3 to 5 feet
occasionally to 7 feet.
.SATURDAY...Northwest winds 10 to 20 knots. Waves subsiding to
1 to 3 feet.
$$

LSZ266-180400-
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-
348 PM EDT Thu Apr 17 2025

.LATE THIS AFTERNOON...Southeast winds 20 to 30 knots. A slight
chance of rain showers. Waves 5 to 9 feet occasionally to
11 feet.
.TONIGHT...Southeast winds 20 to 30 knots becoming south 15 to
25 knots after midnight. Patchy fog. A slight chance of
thunderstorms through midnight. Rain showers. Waves subsiding to
3 to 5 feet occasionally to 7 feet.
.FRIDAY...Southwest winds 10 to 20 knots veering northwest in the
afternoon. A chance of rain showers. Waves subsiding to 1 to
3 feet, then building to 2 to 4 feet.
.FRIDAY NIGHT...North winds 15 to 25 knots. A chance of rain
showers. A slight chance of snow showers after midnight. Waves
building to 3 to 6 feet occasionally to 8 feet.
.SATURDAY...Northwest winds 10 to 20 knots. Waves subsiding to
2 to 4 feet.
$$

LSZ267-180400-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
348 PM EDT Thu Apr 17 2025

.LATE THIS AFTERNOON...Southeast winds 20 to 30 knots. Waves 3 to
6 feet occasionally to 8 feet.
.TONIGHT...Southeast winds 20 to 30 knots diminishing to 15 to
25 knots after midnight, then veering south late. A chance of
rain showers through midnight, then rain showers after midnight.
Patchy fog after midnight. Waves building to 5 to 8 feet
occasionally to 10 feet, then subsiding to 2 to 4 feet.
.FRIDAY...South winds 15 to 25 knots becoming west 10 to 20 knots
in the afternoon. A chance of rain showers. Waves subsiding to
calm to 2 feet, then building to 1 to 3 feet.
.FRIDAY NIGHT...Northwest winds 10 to 20 knots veering north
after midnight, then becoming northwest 15 to 25 knots late. A
chance of rain showers. A slight chance of snow showers after
midnight. Waves building to 3 to 6 feet occasionally to 8 feet.
.SATURDAY...Northwest winds 10 to 20 knots increasing to 15 to
25 knots by mid afternoon. Waves subsiding to 2 to 4 feet.
$$