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MIZ001-140800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Mon Oct 13 2025

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

.TONIGHT...Mostly clear. Lows around 40. Northwest winds 10 to
20 mph becoming 15 to 20 mph late. Waves 2 to 4 feet.
.TUESDAY...Mostly sunny through early afternoon then becoming partly
sunny. Highs around 51. Northwest winds 5 to 15 mph becoming west
5 to 10 mph late. Waves subsiding to calm to 1 foot.
.TUESDAY NIGHT...Mostly cloudy. Lows around 45. West winds 5 to
10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Mostly sunny. Highs 53 to 58. 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 5 to
10 mph. 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. Chance of showers 70 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 around 59 at
the shore and 62 to 67 inland. Chance of showers 60 percent.
.FRIDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 52. Chance of showers 50 percent.
.SATURDAY...Partly cloudy. Highs 57 to 62.
.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 45.
.MONDAY...Partly cloudy. Highs 54 to 59.

&&

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

.TONIGHT...Mostly clear. Lows around 42. Northwest winds 10 to
20 mph becoming 15 to 20 mph late. Waves 2 to 3 feet building to
2 to 4 feet.
.TUESDAY...Sunny through early afternoon then becoming partly sunny.
Highs around 50. 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...Mostly sunny. Highs 51 to 56. 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. Chance of showers 70 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 58 to 63.
Chance of showers 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 51.
.SATURDAY...Partly cloudy with a 30 percent chance of rain showers.
Highs 54 to 59.
.SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows around 45.
.SUNDAY...Partly sunny with a 40 percent chance of rain showers.
Highs 49 to 54.
.SUNDAY NIGHT...Mostly cloudy. Lows around 45.
.MONDAY...Partly cloudy. Highs 51 to 56.

&&

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

.TONIGHT...Breezy. Mostly clear. Lows around 42. Northwest winds
15 to 25 mph becoming 15 to 20 mph late. Waves 2 to 4 feet.
.TUESDAY...Sunny through early afternoon then becoming partly sunny.
Highs around 51. Northwest winds 5 to 15 mph becoming 5 to 10 mph
late. Waves subsiding to calm to 1 foot.
.TUESDAY NIGHT...Mostly cloudy. Lows around 46. Northwest winds 5 to
10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Mostly sunny. Highs 53 to 58. 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
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 56 to 61. Chance of showers 70 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 60 at
the shore and 63 to 68 inland. Chance of showers 60 percent.
.FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 52.
.SATURDAY...Partly cloudy. Highs around 56 at the shore and 59 to
64 inland.
.SATURDAY NIGHT AND SUNDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 46. Highs around 51 at the shore and
53 to 58 inland.
.SUNDAY NIGHT...Mostly cloudy. Lows around 45.
.MONDAY...Partly cloudy. Highs around 54 at the shore and 56 to
61 inland.

&&

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

.TONIGHT...Mostly clear. Lows around 41. Northwest winds 10 to
20 mph becoming 15 to 20 mph late. Waves 2 to 4 feet subsiding to
calm to 1 foot.
.TUESDAY...Mostly sunny through early afternoon then becoming partly
sunny. Highs around 50. Northwest winds 5 to 15 mph becoming west
5 to 10 mph late. Waves calm to 1 foot.
.TUESDAY NIGHT...Mostly cloudy. Lows around 45. West winds 5 to
10 mph becoming north late. Waves calm to 1 foot.
.WEDNESDAY...Mostly sunny. Highs 52 to 57. Northeast winds up to
5 mph becoming southwest by late morning. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 47. South winds up to
10 mph. 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. Chance of showers 70 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...A chance of rain showers through midnight. Mostly
cloudy. Lows around 51. Chance of showers 50 percent.
.SATURDAY...Partly cloudy. Highs around 55 at the shore and 57 to
62 inland.
.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 around 52 at the shore and 54 to
59 inland.

&&


$$