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MIZ001-142000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Tue Oct 14 2025

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

.TODAY...Partly cloudy through mid afternoon then becoming mostly
cloudy. Highs around 50. Northwest winds 5 to 15 mph becoming west
5 to 10 mph late. Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 45. West winds 5 to 10 mph
becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Highs around 53. Northwest winds up to 5 mph becoming southwest by
late morning. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 48. South winds up to
5 mph increasing to 5 to 10 mph late. Waves calm to 1 foot.
.THURSDAY...Partly sunny with a chance of rain showers through early
afternoon, then cloudy with rain showers likely by mid afternoon.
Highs 56 to 61. South winds 5 to 15 mph. Chance of showers
70 percent. Waves building to 1 to 2 feet.
.THURSDAY NIGHT...Rain showers likely. Lows around 52. Chance of
showers 70 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of
rain showers. Highs 61 to 66. Lows around 52.
.SATURDAY...Partly cloudy. Highs around 56 at the shore and 58 to
63 inland.
.SATURDAY NIGHT AND SUNDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 46. Highs 51 to 56.
.SUNDAY NIGHT...Mostly cloudy. Lows around 44.
.MONDAY...Partly cloudy. Highs 53 to 58.

&&

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

.TODAY...Mostly sunny through mid afternoon then becoming mostly
cloudy. Highs around 49. Northwest winds 10 to 20 mph decreasing to
5 to 10 mph by mid afternoon. Waves 1 to 2 feet subsiding to calm to
1 foot.
.TONIGHT...Mostly cloudy. Lows around 45. West winds 5 to 10 mph
becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Mostly sunny. Highs around 53. Northwest winds up to
5 mph becoming southwest by late morning. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 48. Southwest winds up
to 10 mph becoming south late. Waves calm to 1 foot.
.THURSDAY...Partly sunny with a chance of rain showers through early
afternoon, then cloudy with rain showers likely by mid afternoon.
Highs 54 to 59. South winds 5 to 15 mph. Chance of showers
70 percent. Waves building to 2 to 3 feet.
.THURSDAY NIGHT...Rain showers likely. Lows around 51. Chance of
showers 70 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of
rain showers. Highs 58 to 63. Lows around 52.
.SATURDAY...Partly cloudy. Highs 55 to 60.
.SATURDAY NIGHT AND SUNDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 46. Highs 49 to 54.
.SUNDAY NIGHT...Mostly cloudy. Lows around 44.
.MONDAY...Partly cloudy. Highs 51 to 56.

&&

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

.TODAY...Sunny through early afternoon then becoming partly sunny.
Highs around 50. Northwest winds 5 to 15 mph becoming 5 to 10 mph
late. Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 46. West winds 5 to 10 mph
becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Mostly sunny. Highs around 53. Northwest winds up to
5 mph becoming southwest by late morning. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows around 48. Southwest winds
5 to 10 mph becoming south late. Waves calm to 1 foot.
.THURSDAY...Partly sunny with a chance of rain showers through early
afternoon, then cloudy with rain showers likely by mid afternoon.
Highs around 56 at the shore and 58 to 63 inland. South winds 5 to
15 mph. Chance of showers 70 percent. Waves building to 2 to 3 feet.
.THURSDAY NIGHT...Rain showers likely. Lows around 51. Chance of
showers 70 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of
rain showers. Highs around 60 at the shore and 62 to 67 inland. Lows
around 52.
.SATURDAY...Partly cloudy. Highs around 57 at the shore and 59 to
64 inland.
.SATURDAY NIGHT...Mostly cloudy. Lows around 46.
.SUNDAY...Partly sunny with a 30 percent chance of rain showers.
Highs around 51 at the shore and 53 to 58 inland.
.SUNDAY NIGHT...Mostly cloudy. Lows around 44.
.MONDAY...Partly cloudy. Highs around 53 at the shore and 55 to
60 inland.

&&

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

.TODAY...Partly cloudy through mid afternoon then becoming mostly
cloudy. Highs around 50. Northwest winds 5 to 15 mph becoming 5 to
10 mph late. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 45. West winds 5 to 10 mph
becoming northwest late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Highs around 54. Northwest winds up to 5 mph becoming southwest by
late morning. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 48. South winds up to
5 mph becoming up to 10 mph late. Waves calm to 1 foot.
.THURSDAY...Partly sunny with a chance of rain showers through early
afternoon, then cloudy with rain showers likely by mid afternoon.
Highs 55 to 60. South winds 5 to 15 mph. Chance of showers
70 percent. Waves building to 2 to 3 feet.
.THURSDAY NIGHT...Rain showers likely. Lows around 52. Chance of
showers 70 percent.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of
rain showers. Highs 60 to 65. Lows around 51.
.SATURDAY...Partly cloudy. Highs 56 to 61.
.SATURDAY NIGHT AND SUNDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 45. Highs 50 to 55.
.SUNDAY NIGHT...Mostly cloudy. Lows around 44.
.MONDAY...Partly cloudy. Highs 52 to 57.

&&


$$