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SXUS43 KMQT 010902
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MIZ001-012000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
502 AM EDT Thu Oct 1 2026

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

.TODAY...Mostly cloudy early then clearing. Highs 60 to 65.
Northwest winds 10 to 15 mph becoming west by late morning. Waves
1 to 2 feet building to 2 to 3 feet.
.TONIGHT...Mostly clear. Lows 45 to 50. Northwest winds 10 to
20 mph. Waves 2 to 3 feet.
.FRIDAY...Sunny. Highs around 56. Northwest winds 10 to 20 mph
becoming west 5 to 15 mph late. Waves subsiding to calm to 1 foot.
.FRIDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 45 to 50. West winds 5 to 10 mph becoming southwest
late. Waves calm to 1 foot.
.SATURDAY...A 40 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs 56 to 61. South winds 5 to 15 mph becoming
10 to 15 mph late. Waves building to 2 to 3 feet subsiding to 1 to
2 feet.
.SATURDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows 46 to 51. Chance of showers 40 percent.
.SUNDAY...Partly cloudy through early afternoon then clearing. Highs
56 to 61.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows around 43. Highs
around 54.
.MONDAY NIGHT...Partly cloudy. Lows around 47.
.TUESDAY AND TUESDAY NIGHT...Breezy. Mostly cloudy. Highs 56 to 61.
Lows around 50.
.WEDNESDAY...Partly cloudy. Highs 59 to 64.

&&

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

.TODAY...Partly sunny through early afternoon then clearing. Highs
57 to 62. Northwest winds 10 to 15 mph becoming west by late
morning. Waves calm to 1 foot building to 1 to 2 feet.
.TONIGHT...Mostly clear. Lows around 48. Northwest winds 10 to
20 mph. Waves building to 2 to 3 feet.
.FRIDAY...Sunny. Highs around 55. Northwest winds 5 to 15 mph. Waves
subsiding to calm to 1 foot.
.FRIDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 47 to 52. West winds up to 10 mph becoming southwest
late. Waves calm to 1 foot.
.SATURDAY...A 40 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs 54 to 59. South winds 5 to 15 mph becoming
10 to 15 mph by mid afternoon. Waves building to 1 to 2 feet.
.SATURDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 49. Chance of showers 50 percent.
.SUNDAY...Partly cloudy through early afternoon then clearing. Highs
53 to 58.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows around 42. Highs 50 to
55.
.MONDAY NIGHT...Partly cloudy. Lows around 46.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs 55 to 60. Lows
around 50.
.WEDNESDAY...Partly cloudy. Highs around 56 at the shore and 58 to
63 inland.

&&

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

.TODAY...Partly sunny through early afternoon then clearing. Highs
59 to 64. Northwest winds 10 to 15 mph becoming west by late
morning. Waves 1 to 2 feet building to 2 to 3 feet.
.TONIGHT...Partly cloudy. Lows around 47. Northwest winds 10 to
20 mph. Waves building to 2 to 4 feet.
.FRIDAY...Sunny. Highs 54 to 59. Northwest winds 5 to 15 mph. Waves
subsiding to calm to 1 foot.
.FRIDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 46 to 51. West winds 5 to 10 mph becoming southwest
late. Waves calm to 1 foot.
.SATURDAY...A 40 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs 55 to 60. South winds 5 to 15 mph becoming
10 to 15 mph by mid afternoon. Waves building to 1 to 2 feet.
.SATURDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 48. Chance of showers 50 percent.
.SUNDAY...Partly cloudy through early afternoon then clearing. Highs
55 to 60.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows around 42. Highs 51 to
56.
.MONDAY NIGHT...Partly cloudy. Lows around 46.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs 56 to 61. Lows
around 50.
.WEDNESDAY...Partly cloudy. Highs 58 to 63.

&&

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

.TODAY...Mostly cloudy early then clearing. Highs 58 to 63.
Northwest winds 10 to 15 mph becoming west by late morning. Waves
calm to 1 foot building to 2 to 3 feet, then subsiding to 1 to
2 feet.
.TONIGHT...Mostly clear. Lows around 47. Northwest winds 10 to
20 mph. Waves 1 to 2 feet.
.FRIDAY...Sunny. Highs 53 to 58. Northwest winds 5 to 15 mph. Waves
subsiding to calm to 1 foot.
.FRIDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 45 to 50. West winds up to 10 mph becoming southwest
late. Waves calm to 1 foot.
.SATURDAY...A 40 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs 55 to 60. South winds 5 to 15 mph becoming
10 to 15 mph by mid afternoon. Waves building to 2 to 3 feet
subsiding to 1 to 2 feet.
.SATURDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 48. Chance of showers 40 percent.
.SUNDAY...Partly cloudy through early afternoon then clearing. Highs
around 54 at the shore and 56 to 61 inland.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows around 42. Highs 50 to
55.
.MONDAY NIGHT...Partly cloudy. Lows around 46.
.TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs 56 to 61. Lows
around 50.
.WEDNESDAY...Partly cloudy. Highs 57 to 62.

&&


$$