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SXUS43 KMQT 310901
RECMQT

MIZ001-312000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Sun Aug 31 2025

Isle Royale (SW areas)-
Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge,
and Windigo-

.TODAY...Mostly sunny. Highs around 62 at the shore and 71 to
76 inland. North winds 5 to 10 mph becoming southeast by late
morning, then becoming southwest by mid afternoon. Waves calm to
1 foot.
.TONIGHT...A 20 percent chance of showers and thunderstorms late.
Partly cloudy. Lows around 58. South winds 5 to 10 mph becoming
southwest late. Waves calm to 1 foot.
.LABOR DAY...A 20 percent chance of showers and thunderstorms
through early afternoon. Sunny. Highs around 67 at the shore and
70 to 75 inland. Southwest winds 5 to 10 mph. Waves calm to 1 foot.
.MONDAY NIGHT...Partly cloudy. Lows around 60. Southwest winds 5 to
10 mph. Waves calm to 1 foot.
.TUESDAY...A chance of showers and a slight chance of thunderstorms
by mid afternoon. Partly cloudy. Highs 67 to 72. Southwest winds
5 to 15 mph. Chance of precipitation 30 percent. Waves building to
2 to 3 feet, then subsiding to 1 to 2 feet.
.TUESDAY NIGHT...Rain showers and a chance of thunderstorms through
midnight, then rain showers late. Lows around 51. Chance of
precipitation 80 percent.
.WEDNESDAY...Breezy. Much cooler. Mostly cloudy with a 50 percent
chance of rain showers. Highs around 54.
.WEDNESDAY NIGHT...Breezy. Cloudy with a 40 percent chance of rain
showers. Lows around 44.
.THURSDAY AND THURSDAY NIGHT...Cool. Mostly cloudy with a 40 percent
chance of rain showers. Highs around 50. Lows around 46.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain showers.
Highs around 55.
.FRIDAY NIGHT...Mostly cloudy. Lows around 48.
.SATURDAY...Partly cloudy. Highs around 58.

&&

Isle Royale (NE areas)-
Including Greenstone Ridge North, Malone Bay, Mount Saginaw,
and Rock Harbor-

.TODAY...Partly cloudy. Highs around 59 at the shore and 66 to
71 inland. West winds 5 to 10 mph becoming southeast by late
morning, then becoming south by mid afternoon. Waves calm to 1 foot.
.TONIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 57. South winds 5 to 10 mph becoming southwest
late. Waves calm to 1 foot.
.LABOR DAY...Mostly sunny. Highs 66 to 71. Southwest winds 5 to
10 mph. Waves calm to 1 foot.
.MONDAY NIGHT...Partly cloudy. Lows around 59. Southwest winds 5 to
10 mph. Waves calm to 1 foot.
.TUESDAY...A chance of showers and a slight chance of thunderstorms
by mid afternoon. Partly cloudy. Highs 65 to 70. Southwest winds
5 to 15 mph. Chance of precipitation 30 percent. Waves building to
1 to 2 feet.
.TUESDAY NIGHT...Rain showers likely and a chance of thunderstorms
through midnight, then rain showers late. Lows around 51. Chance of
precipitation 80 percent.
.WEDNESDAY...Breezy, cooler. A chance of rain showers. Mostly
cloudy. Highs around 55. Chance of showers 50 percent.
.WEDNESDAY NIGHT...Breezy. Cloudy with a 40 percent chance of rain
showers. Lows around 45.
.THURSDAY...Cool. Mostly cloudy with a 40 percent chance of rain
showers. Highs around 50.
.THURSDAY NIGHT...Cloudy with a 30 percent chance of rain showers.
Lows around 46.
.FRIDAY...Mostly cloudy with a 30 percent chance of rain showers.
Highs around 54.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows around 48. Highs
around 57.

&&

Isle Royale (NW areas)-
Including Amygdaloid Island, Lookout Louise, and Minong Mine-

.TODAY...Partly cloudy. Highs around 60 at the shore and 69 to
74 inland. Northwest winds 5 to 10 mph becoming northeast by late
morning, then becoming southeast by early afternoon becoming south
late. Waves calm to 1 foot.
.TONIGHT...Partly cloudy. Lows around 58. South winds 5 to 10 mph
becoming southwest late. Waves calm to 1 foot.
.LABOR DAY...Partly cloudy through early afternoon then clearing.
Highs around 66 at the shore and 69 to 74 inland. Southwest winds
5 to 10 mph. Waves calm to 1 foot.
.MONDAY NIGHT...Partly cloudy. Lows around 60. Southwest winds 5 to
10 mph. Waves calm to 1 foot.
.TUESDAY...A chance of showers and a slight chance of thunderstorms
by mid afternoon. Partly cloudy. Highs 66 to 71. Southwest winds
5 to 15 mph. Chance of precipitation 30 percent. Waves building to
1 to 2 feet.
.TUESDAY NIGHT...Rain showers likely and a chance of thunderstorms
through midnight, then rain showers late. Lows around 51. Chance of
precipitation 80 percent.
.WEDNESDAY...Breezy, cooler. A chance of rain showers. Mostly
cloudy. Highs around 55. Chance of showers 50 percent.
.WEDNESDAY NIGHT...Breezy. Cloudy with a 40 percent chance of rain
showers. Lows around 45.
.THURSDAY...Breezy, cool. Mostly cloudy with a 40 percent chance of
rain showers. Highs around 50.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy with a 30 percent chance
of rain showers. Lows around 46. Highs around 54.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows around 48. Highs
around 57.

&&

Isle Royale (SE areas)-
Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay-

.TODAY...Partly cloudy. Highs around 58 at the shore and 69 to
74 inland. West winds 5 to 10 mph becoming south by late morning,
then becoming up to 10 mph by mid afternoon. Waves calm to 1 foot.
.TONIGHT...A 20 percent chance of rain showers and thunderstorms
late. Partly cloudy. Lows around 57. South winds 5 to 10 mph
becoming southwest late. Waves calm to 1 foot.
.LABOR DAY...A 20 percent chance of rain showers and thunderstorms
through early afternoon. Mostly sunny. Highs 68 to 73. Southwest
winds 5 to 10 mph. Waves calm to 1 foot.
.MONDAY NIGHT...Partly cloudy. Lows around 60. Southwest winds 5 to
10 mph. Waves calm to 1 foot.
.TUESDAY...A chance of showers and a slight chance of thunderstorms
by mid afternoon. Partly cloudy. Highs 67 to 72. Southwest winds
5 to 15 mph. Chance of precipitation 30 percent. Waves building to
2 to 3 feet, then subsiding to 1 to 2 feet.
.TUESDAY NIGHT...Rain showers and a chance of thunderstorms through
midnight, then rain showers late. Lows around 51. Chance of
precipitation 80 percent.
.WEDNESDAY...Breezy, cooler. Cloudy with a 50 percent chance of rain
showers. Highs around 55.
.WEDNESDAY NIGHT...Breezy. Cloudy with a 40 percent chance of rain
showers. Lows around 44.
.THURSDAY...Cool. Mostly cloudy with a 40 percent chance of rain
showers. Highs around 50.
.THURSDAY NIGHT...Cloudy with a 40 percent chance of rain showers.
Lows around 46.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain showers.
Highs around 54.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows around 48. Highs
around 57.

&&


$$