598
AXUS43 KMQT 181939
MISMQT

OPEN LAKE FORECAST FOR LAKE SUPERIOR FOR NOAA WEATHER RADIO
NATIONAL WEATHER SERVICE MARQUETTE MI
339 PM EDT Fri Apr 18 2025

LSZ162-190345-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-
339 PM EDT Fri Apr 18 2025 /239 PM CDT Fri Apr 18 2025/

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. Waves calm
to 2 feet.
.TONIGHT...Northwest winds 10 to 20 knots. Waves calm to 2 feet.
.SATURDAY...Northwest winds 10 to 20 knots becoming west 5 to
15 knots in the afternoon, then backing southwest late. Waves
calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots becoming south
less than 10 knots after midnight, then becoming southeast 5 to
15 knots late. Waves calm to 2 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming east 10 to
20 knots by mid afternoon. Waves calm to 2 feet.
$$

LSZ263-190345-
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-
339 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northwest winds 5 to 15 knots. Patchy fog.
Isolated rain showers. Waves calm to 2 feet.
.TONIGHT...North winds 5 to 15 knots. Patchy fog through
midnight. Isolated rain showers through midnight. Waves calm to
2 feet.
.SATURDAY...Northwest winds 5 to 15 knots backing southwest late.
Waves calm to 2 feet.
.SATURDAY NIGHT...Southwest winds 5 to 15 knots diminishing to
less than 10 knots after midnight, then backing south late. Waves
calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots backing east by mid
afternoon. Waves calm to 2 feet.
.SUNDAY NIGHT...East winds 5 to 15 knots increasing to 10 to
20 knots after midnight. A chance of rain. Waves building to 1 to
3 feet.
$$

LSZ264-190345-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
339 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northwest winds 5 to 15 knots. Patchy fog.
Waves 1 to 3 feet.
.TONIGHT...North winds 5 to 15 knots increasing to 10 to 20 knots
late. Patchy fog through midnight. Waves building to 2 to 4 feet.
.SATURDAY...North winds 10 to 20 knots becoming northwest 5 to
15 knots in the afternoon, then backing west late. Waves
subsiding to calm to 2 feet.
.SATURDAY NIGHT...West winds 5 to 15 knots becoming southwest
less than 10 knots after midnight, then backing south late. Waves
calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots backing southeast by mid
afternoon. Waves calm to 2 feet.
$$

LSZ265-190345-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
339 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. Patchy
fog. Isolated rain showers. Waves calm to 2 feet.
.TONIGHT...Northwest winds 10 to 20 knots. A slight chance of
thunderstorms and isolated rain showers through midnight. Patchy
fog. Waves building to 2 to 4 feet.
.SATURDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves subsiding to 1 to 3 feet.
.SATURDAY NIGHT...Northwest winds 5 to 15 knots backing southwest
after midnight, then backing south late. Waves subsiding to calm
to 2 feet.
.SUNDAY...Southeast winds 5 to 15 knots becoming east 10 to
20 knots by mid afternoon. Waves calm to 2 feet.
$$

LSZ266-190345-
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-
339 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...Northwest winds 10 to 20 knots. Patchy
fog. A slight chance of thunderstorms and isolated rain showers.
Waves 1 to 3 feet building to 2 to 4 feet.
.TONIGHT...Northwest winds 15 to 25 knots veering north after
midnight, then backing northwest late. Patchy fog through
midnight. A slight chance of thunderstorms and isolated rain
showers through midnight. Waves building to 3 to 5 feet
occasionally to 7 feet.
.SATURDAY...Northwest winds 15 to 25 knots diminishing to 10 to
20 knots late. Waves subsiding to 2 to 4 feet.
.SATURDAY NIGHT...Northwest winds 10 to 20 knots becoming west
5 to 15 knots after midnight, then backing southwest late. Waves
subsiding to calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots becoming east 10 to 20 knots
by mid afternoon. Waves calm to 2 feet.
$$

LSZ267-190345-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
339 PM EDT Fri Apr 18 2025

.LATE THIS AFTERNOON...West winds 10 to 20 knots. Patchy fog. A
slight chance of thunderstorms and isolated rain showers. Waves
calm to 2 feet building to 1 to 3 feet.
.TONIGHT...Northwest winds 10 to 20 knots increasing to 15 to
25 knots late. Patchy fog. A slight chance of thunderstorms
through midnight. Scattered rain showers. Waves building to 3 to
5 feet occasionally to 7 feet.
.SATURDAY...Northwest winds 15 to 25 knots. Waves 3 to 5 feet
occasionally to 7 feet.
.SATURDAY NIGHT...Northwest winds 15 to 25 knots diminishing to
5 to 15 knots. Waves subsiding to calm to 2 feet.
.SUNDAY...South winds 5 to 15 knots backing east by mid
afternoon. Waves calm to 2 feet.
$$