609
AXUS43 KMQT 182211
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
611 PM EDT Sat May 18 2024

LSZ162-190615-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
611 PM EDT Sat May 18 2024 /511 PM CDT Sat May 18 2024/

.LATE THIS AFTERNOON...North winds 10 to 20 knots. Scattered
showers and thunderstorms. Waves 1 to 3 feet.
.TONIGHT...West winds 15 to 25 knots becoming southwest 10 to
20 knots late. Waves building to 2 to 4 feet.
.SUNDAY...Southwest winds 10 to 20 knots. Waves subsiding to 1 to
3 feet, then building to 2 to 4 feet.
.SUNDAY NIGHT...Southwest winds 10 to 20 knots becoming south
5 to 15 knots after midnight, then becoming east 10 to 20 knots
late. A chance of showers. Waves subsiding to calm to 2 feet.
.MONDAY...Northeast winds 10 to 20 knots. A chance of rain
showers. Waves calm to 2 feet.
$$

LSZ263-190615-
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-
611 PM EDT Sat May 18 2024

...SEVERE THUNDERSTORM WATCH 257 IN EFFECT UNTIL 11 PM EDT THIS
EVENING...

.LATE THIS AFTERNOON...West winds 10 to 20 knots. Numerous rain
showers and scattered thunderstorms. Some thunderstorms may be
severe with wind gusts over 35 knots and large hail. Waves 2 to
4 feet.
.TONIGHT...Southwest winds 10 to 20 knots veering west after
midnight, then backing southwest late. A slight chance of showers
and thunderstorms through midnight. Waves 2 to 4 feet.
.SUNDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. Waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet.
.SUNDAY NIGHT...Southwest winds 10 to 20 knots becoming south
5 to 15 knots after midnight. A slight chance of showers after
midnight. Waves subsiding to calm to 2 feet.
.MONDAY...East winds 5 to 15 knots backing northeast by mid
afternoon. A chance of rain showers. Waves calm to 2 feet.
$$

LSZ264-190615-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
611 PM EDT Sat May 18 2024

.LATE THIS AFTERNOON...Southeast winds 15 to 25 knots. Scattered
showers and thunderstorms. Waves 3 to 6 feet occasionally to
8 feet.
.TONIGHT...Southwest winds 10 to 20 knots veering west after
midnight. A chance of showers and thunderstorms through midnight.
Waves subsiding to 2 to 4 feet, then building to 3 to 5 feet
occasionally to 7 feet.
.SUNDAY...Southwest winds 10 to 20 knots increasing to 15 to
25 knots in the afternoon. Waves building to 3 to 5 feet
occasionally to 7 feet, then subsiding to 2 to 4 feet.
.SUNDAY NIGHT...Southwest winds 10 to 20 knots becoming south
5 to 15 knots after midnight. Waves subsiding to calm to 2 feet.
.MONDAY...Southeast winds 5 to 15 knots backing east by mid
afternoon. A chance of rain showers. Waves calm to 2 feet.
$$

LSZ265-190615-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
611 PM EDT Sat May 18 2024

.LATE THIS AFTERNOON...Southeast winds 15 to 25 knots. Scattered
showers and thunderstorms. Waves 2 to 4 feet.
.TONIGHT...South winds 10 to 20 knots becoming west 15 to
25 knots after midnight, then diminishing to 10 to 20 knots late.
Showers with thunderstorms likely through midnight. Waves
subsiding to 1 to 3 feet.
.SUNDAY...Southwest winds 10 to 20 knots. Waves subsiding to calm
to 2 feet.
.SUNDAY NIGHT...South winds 10 to 20 knots diminishing to 5 to
15 knots after midnight. A slight chance of showers after
midnight. Waves calm to 2 feet.
.MONDAY...Southeast winds 10 to 20 knots. Rain showers likely
through early afternoon, then a chance of rain showers and a
slight chance of thunderstorms by mid afternoon. Waves calm to
2 feet.
$$

LSZ266-190615-
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-
611 PM EDT Sat May 18 2024

.LATE THIS AFTERNOON...Southeast winds 20 to 30 knots. Scattered
showers and isolated thunderstorms. Waves 3 to 6 feet
occasionally to 8 feet.
.TONIGHT...South winds 15 to 25 knots becoming southwest 10 to
20 knots after midnight, then veering west late. A chance of
showers and thunderstorms through midnight. Waves subsiding to
2 to 4 feet, then building to 3 to 5 feet occasionally to 7 feet.
.SUNDAY...West winds 10 to 20 knots backing southwest in the
afternoon. Waves 3 to 5 feet occasionally to 7 feet, then
subsiding to 2 to 4 feet.
.SUNDAY NIGHT...Southwest winds 5 to 15 knots becoming south
10 to 20 knots after midnight. Waves subsiding to calm to 2 feet.
.MONDAY...Southeast winds 10 to 20 knots. A chance of rain
showers. A slight chance of thunderstorms by mid afternoon. Waves
calm to 2 feet.
$$

LSZ267-190615-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
611 PM EDT Sat May 18 2024

.LATE THIS AFTERNOON...South winds 15 to 25 knots. Waves 1 to
3 feet building to 2 to 4 feet.
.TONIGHT...South winds 15 to 25 knots becoming west 10 to
20 knots late. Showers likely through midnight. A chance of
thunderstorms. A chance of showers after midnight. Waves
subsiding to 1 to 3 feet.
.SUNDAY...West winds 10 to 20 knots becoming southwest 5 to
15 knots in the afternoon. Waves subsiding to calm to 2 feet.
.SUNDAY NIGHT...South winds 5 to 15 knots increasing to 10 to
20 knots after midnight. Waves calm to 2 feet.
.MONDAY...Southeast winds 10 to 20 knots. A chance of showers
through early afternoon, then showers likely and a slight chance
of thunderstorms by mid afternoon. Waves calm to 2 feet.
$$