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MIZ001-132000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Mon Oct 13 2025

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

.TODAY...Breezy, sunny. Highs around 58. West winds 15 to 25 mph.
Waves 3 to 6 feet.
.TONIGHT...Mostly clear. Lows 37 to 42. Northwest winds 10 to 20 mph
becoming 15 to 20 mph late. Waves 2 to 4 feet.
.TUESDAY...Partly cloudy. Highs 50 to 55. Northwest winds 10 to
20 mph decreasing to 5 to 10 mph by mid afternoon. Waves subsiding
to calm to 1 foot.
.TUESDAY NIGHT...Mostly cloudy. Lows around 44. Northwest winds 5 to
10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Mostly sunny. Highs 53 to 58. Northwest winds 5 to
10 mph becoming southwest by late morning. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 47.
.THURSDAY...A chance of rain showers through early afternoon, then
rain showers likely by mid afternoon. Mostly cloudy. Highs 56 to 61.
Chance of showers 60 percent.
.THURSDAY NIGHT...Rain showers likely. Lows around 52. Chance of
showers 70 percent.
.FRIDAY...Rain showers likely through early afternoon, then a chance
of rain showers by mid afternoon. Mostly cloudy. Highs 60 to 65.
Chance of showers 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 51.
.SATURDAY AND SATURDAY NIGHT...A 30 percent chance of rain showers.
Mostly cloudy. Highs 56 to 61. Lows around 46.
.SUNDAY...Partly sunny with a 30 percent chance of rain showers.
Highs 53 to 58.

&&

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

.TODAY...Sunny. Highs around 58. Southwest winds 15 to 20 mph
becoming west late. Waves 3 to 6 feet subsiding to 2 to 3 feet.
.TONIGHT...Partly cloudy. Lows 39 to 44. Northwest winds 15 to
20 mph. Waves 2 to 3 feet.
.TUESDAY...Partly cloudy. Highs 48 to 53. Northwest winds 10 to
20 mph decreasing to 5 to 10 mph by mid afternoon. Waves subsiding
to calm to 1 foot.
.TUESDAY NIGHT...Mostly cloudy. Lows around 45. Northwest winds 5 to
10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy. Highs 51 to 56. Northwest winds 5 to
10 mph becoming southwest by late morning. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 47.
.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. Chance of showers 60 percent.
.THURSDAY NIGHT...Rain showers likely. Lows around 51. Chance of
showers 70 percent.
.FRIDAY...Rain showers likely through early afternoon, then a chance
of rain showers by mid afternoon. Mostly cloudy. Highs 57 to 62.
Chance of showers 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 50.
.SATURDAY AND SATURDAY NIGHT...A 30 percent chance of rain showers.
Mostly cloudy. Highs 53 to 58. Lows around 45.
.SUNDAY...Partly sunny with a 40 percent chance of rain showers.
Highs 50 to 55.

&&

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

.TODAY...Sunny. Highs around 58. Southwest winds 15 to 20 mph
becoming west by late morning. Waves 2 to 4 feet.
.TONIGHT...Mostly clear. Lows 39 to 44. Northwest winds 15 to
20 mph. Waves 2 to 4 feet.
.TUESDAY...Mostly sunny through early afternoon then becoming partly
sunny. Highs 50 to 55. Northwest winds 10 to 20 mph decreasing to
5 to 10 mph by mid afternoon. Waves subsiding to calm to 1 foot.
.TUESDAY NIGHT...Mostly cloudy. Lows around 45. Northwest winds 5 to
10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Highs around 53 at the shore and 55 to 60 inland. Northwest winds
5 to 10 mph becoming southwest by late morning. Waves calm to
1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 47.
.THURSDAY...A chance of rain showers through early afternoon, then
rain showers likely by mid afternoon. Mostly cloudy. Highs 55 to 60.
Chance of showers 60 percent.
.THURSDAY NIGHT...Rain showers likely. Lows around 51. Chance of
showers 70 percent.
.FRIDAY...Rain showers likely through early afternoon, then a chance
of rain showers by mid afternoon. Mostly cloudy. Highs around 59 at
the shore and 61 to 66 inland. Chance of showers 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 51.
.SATURDAY AND SATURDAY NIGHT...A 30 percent chance of rain showers.
Mostly cloudy. Highs 56 to 61. Lows around 45.
.SUNDAY...Partly sunny with a 30 percent chance of rain showers.
Highs around 52 at the shore and 55 to 60 inland.

&&

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

.TODAY...Breezy, sunny. Highs around 57. West winds 15 to 25 mph.
Waves 3 to 6 feet.
.TONIGHT...Partly cloudy. Lows 38 to 43. West winds 10 to 15 mph
becoming northwest late. Waves subsiding to calm to 1 foot.
.TUESDAY...Partly sunny. Highs 49 to 54. Northwest winds 10 to
20 mph decreasing to 5 to 10 mph by mid afternoon. Waves calm to
1 foot.
.TUESDAY NIGHT...Mostly cloudy. Lows around 44. Northwest winds 5 to
10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy. Highs 52 to 57. Northwest winds up to
5 mph becoming southwest by late morning. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 47.
.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. Chance of showers 60 percent.
.THURSDAY NIGHT...Rain showers through midnight, then rain showers
likely late. Lows around 51. Chance of showers 80 percent.
.FRIDAY...Rain showers likely through early afternoon, then a chance
of rain showers by mid afternoon. Mostly cloudy. Highs 58 to 63.
Chance of showers 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 50.
.SATURDAY AND SATURDAY NIGHT...A 30 percent chance of rain showers.
Mostly cloudy. Highs around 54 at the shore and 56 to 61 inland.
Lows around 45.
.SUNDAY...Partly sunny with a 30 percent chance of rain showers.
Highs around 51 at the shore and 53 to 58 inland.

&&


$$