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SXUS43 KMQT 070901
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MIZ001-072000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Mon Sep 7 2026

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

.TODAY...A 20 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs 69 to 74. East winds 5 to 15 mph.
Waves calm to 1 foot.
.TONIGHT...Breezy. A chance of showers through midnight, then
showers and a slight chance of thunderstorms late. Cloudy. Lows
around 62. East winds 10 to 15 mph becoming south 10 to 20 mph late.
Chance of precipitation 90 percent. Waves building to 2 to 4 feet.
.TUESDAY...Breezy. Showers and a slight chance of thunderstorms
through early afternoon, then a slight chance of showers by mid
afternoon. Mostly cloudy. Highs around 68 at the shore and 70 to
75 inland. South winds 15 to 25 mph becoming southwest 15 to 20 mph
late. Chance of precipitation 90 percent. Waves building to 3 to
6 feet.
.TUESDAY NIGHT...Breezy. Mostly cloudy through midnight then
clearing. Lows 60 to 65. Southwest winds 15 to 25 mph. Waves 2 to
4 feet.
.WEDNESDAY...Windy. Partly cloudy. Highs 68 to 73. West winds 15 to
25 mph. Waves building to 5 to 8 feet.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 57.
.THURSDAY...Sunny. Highs 65 to 70.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 60. Highs
around 69 at the shore and 74 to 79 inland.
.FRIDAY NIGHT...A chance of rain showers through midnight. Partly
cloudy. Lows around 59. Chance of showers 30 percent.
.SATURDAY...Partly cloudy. Highs 67 to 72.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows around 55. Highs
64 to 69.

&&

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

.TODAY...Mostly cloudy with a 20 percent chance of rain showers.
Highs 64 to 69. East winds 5 to 10 mph becoming 5 to 15 mph by mid
afternoon. Waves calm to 1 foot building to 1 to 2 feet.
.TONIGHT...A slight chance of rain showers through midnight, then
rain showers and a slight chance of thunderstorms late. Cloudy. Lows
around 60. East winds 10 to 20 mph becoming south late. Chance of
precipitation 90 percent. Waves building to 2 to 4 feet.
.TUESDAY...Breezy. Rain showers and a slight chance of thunderstorms
through early afternoon. Cloudy. Highs 65 to 70. South winds 10 to
20 mph. Chance of precipitation 90 percent. Waves building to 3 to
6 feet.
.TUESDAY NIGHT...Mostly cloudy through midnight then clearing. Lows
around 60. Southwest winds 10 to 20 mph. Waves 3 to 5 feet.
.WEDNESDAY...Breezy. Partly cloudy. Highs around 64 at the shore and
66 to 71 inland. West winds 15 to 25 mph becoming 15 to 20 mph late.
Waves building to 3 to 6 feet.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 55.
.THURSDAY...Sunny. Highs around 62 at the shore and 64 to 69 inland.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 59. Highs
around 64 at the shore and 71 to 76 inland.
.FRIDAY NIGHT...Partly cloudy with a chance of rain showers. Lows
around 57. Chance of showers 40 percent.
.SATURDAY...Partly cloudy. Highs around 62 at the shore and 66 to
71 inland.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows around 54. Highs
around 59 at the shore and 62 to 67 inland.

&&

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

.TODAY...Mostly cloudy with a 20 percent chance of rain showers.
Highs around 66 at the shore and 68 to 73 inland. East winds 5 to
15 mph. Waves calm to 1 foot.
.TONIGHT...A chance of rain showers through midnight, then rain
showers and a slight chance of thunderstorms late. Cloudy. Lows
around 61. East winds 10 to 15 mph becoming south 10 to 20 mph late.
Chance of precipitation 90 percent. Waves building to 2 to 4 feet.
.TUESDAY...Breezy. Rain showers and a slight chance of thunderstorms
through early afternoon. Mostly cloudy. Highs around 66 at the shore
and 69 to 74 inland. South winds 15 to 25 mph. Chance of
precipitation 90 percent. Waves building to 3 to 5 feet, then
subsiding to 2 to 3 feet.
.TUESDAY NIGHT...Mostly cloudy through midnight then clearing. Lows
around 61. Southwest winds 15 to 20 mph. Waves building to 2 to
4 feet.
.WEDNESDAY...Windy. Partly cloudy. Highs around 65 at the shore and
68 to 73 inland. West winds 15 to 25 mph. Waves building to 4 to
7 feet.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 57.
.THURSDAY...Sunny. Highs 65 to 70.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 60. Highs
around 67 at the shore and 73 to 78 inland.
.FRIDAY NIGHT...Partly cloudy with a chance of rain showers. Lows
around 59. Chance of showers 40 percent.
.SATURDAY...Partly cloudy. Highs around 63 at the shore and 68 to
73 inland.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows around 55. Highs
around 60 at the shore and 65 to 70 inland.

&&

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

.TODAY...A 20 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs around 66 at the shore and 68 to
73 inland. Northeast winds 5 to 10 mph becoming east 5 to 15 mph by
late morning. Waves calm to 1 foot.
.TONIGHT...A chance of showers through midnight, then showers and a
slight chance of thunderstorms late. Cloudy. Lows 59 to 64. East
winds 10 to 15 mph becoming south 10 to 20 mph late. Chance of
precipitation 90 percent. Waves building to 2 to 4 feet.
.TUESDAY...Breezy. Rain showers and a slight chance of thunderstorms
through early afternoon. Cloudy. Highs around 65 at the shore and
68 to 73 inland. South winds 15 to 25 mph becoming southwest 15 to
20 mph late. Chance of precipitation 90 percent. Waves building to
3 to 6 feet.
.TUESDAY NIGHT...Breezy. Mostly cloudy through midnight then
clearing. Lows 58 to 63. Southwest winds 15 to 25 mph decreasing to
10 to 20 mph late. Waves 2 to 4 feet.
.WEDNESDAY...Windy. Partly cloudy. Highs around 63 at the shore and
67 to 72 inland. West winds 15 to 25 mph. Waves building to 4 to
7 feet.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 55.
.THURSDAY...Sunny. Highs around 62 at the shore and 65 to 70 inland.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 59. Highs
around 66 at the shore and 72 to 77 inland.
.FRIDAY NIGHT...Partly cloudy with a chance of rain showers. Lows
around 58. Chance of showers 40 percent.
.SATURDAY...Partly cloudy. Highs around 62 at the shore and 67 to
72 inland.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows around 54. Highs
around 59 at the shore and 64 to 69 inland.

&&


$$