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MIZ001-150800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Tue Oct 14 2025

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

.TONIGHT...Mostly cloudy. Lows around 46. West winds up to 10 mph
becoming up to 5 mph late. Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Highs around 54. West winds up to 10 mph becoming southwest by mid
afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows around 48. Southwest winds up
to 10 mph becoming south late. Waves calm to 1 foot.
.THURSDAY...A chance of rain showers through early afternoon, then
rain showers likely by mid afternoon. Mostly cloudy. Highs around
58. Southeast winds 5 to 15 mph. Chance of showers 70 percent. Waves
building to 1 to 2 feet.
.THURSDAY NIGHT...Rain showers through midnight, then rain showers
likely late. Lows around 52. South winds 10 to 15 mph. Chance of
showers 80 percent. Waves building to 2 to 3 feet.
.FRIDAY...Mostly cloudy with a 50 percent chance of rain showers.
Highs 61 to 66.
.FRIDAY NIGHT...A 40 percent chance of rain showers through
midnight. Mostly cloudy. Lows around 52.
.SATURDAY...Partly cloudy. Highs 57 to 62.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around
45. Highs 52 to 57.
.MONDAY...Partly cloudy. Highs 53 to 58.
.MONDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 46.
.TUESDAY...A chance of rain showers by mid afternoon. Partly sunny.
Highs 53 to 58. Chance of showers 30 percent.

&&

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

.TONIGHT...Cloudy. Lows around 46. West winds up to 5 mph. Waves
calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Highs around 53. West winds up to 10 mph. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows around 48. Southwest winds up
to 10 mph becoming south late. Waves calm to 1 foot.
.THURSDAY...Partly sunny with a slight chance of rain showers
through early afternoon, then cloudy with rain showers likely by mid
afternoon. Highs 53 to 58. Southeast winds 5 to 15 mph. Chance of
showers 70 percent. Waves building to 2 to 3 feet.
.THURSDAY NIGHT...Rain showers through midnight, then rain showers
likely late. Lows around 51. South winds 10 to 20 mph. Chance of
showers 80 percent. Waves building to 2 to 4 feet.
.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 54 to 59.
.SATURDAY NIGHT...Mostly cloudy. Lows around 46.
.SUNDAY...A chance of rain showers through early afternoon. Partly
sunny. Highs 50 to 55. Chance of showers 30 percent.
.SUNDAY NIGHT...Mostly cloudy. Lows around 44.
.MONDAY...Partly cloudy. Highs 51 to 56.
.MONDAY NIGHT...Mostly cloudy. Lows around 46.
.TUESDAY...A chance of rain showers by mid afternoon. Partly sunny.
Highs 50 to 55. Chance of showers 30 percent.

&&

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

.TONIGHT...Mostly cloudy. Lows around 46. West winds up to 10 mph.
Waves calm to 1 foot.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Highs around 54. West winds up to 10 mph. 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...A slight chance of rain showers through early afternoon,
then rain showers likely by mid afternoon. Partly sunny. Highs 55 to
60. Southeast winds 5 to 15 mph. Chance of showers 70 percent. Waves
building to 2 to 3 feet.
.THURSDAY NIGHT...Rain showers through midnight, then rain showers
likely late. Lows around 52. South winds 10 to 20 mph. Chance of
showers 80 percent. Waves 2 to 3 feet.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a 50 percent chance of
rain showers. Highs around 61 at the shore and 63 to 68 inland. Lows
around 52.
.SATURDAY...Partly cloudy. Highs around 56 at the shore and 58 to
63 inland.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around
45. Highs around 52 at the shore and 54 to 59 inland.
.MONDAY...Partly cloudy. Highs around 53 at the shore and 55 to
60 inland.
.MONDAY NIGHT...Mostly cloudy. Lows around 46.
.TUESDAY...A chance of rain showers by mid afternoon. Partly sunny.
Highs around 52 at the shore and 54 to 59 inland. Chance of showers
30 percent.

&&

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

.TONIGHT...Mostly cloudy. Lows around 46. West winds up to 5 mph.
Waves calm to 1 foot.
.WEDNESDAY...Partly sunny through early afternoon then clearing.
Highs 51 to 56. West winds up to 10 mph becoming southwest by mid
afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows around 47. Southwest winds up
to 5 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. Southeast winds 5 to 15 mph. Chance of showers
70 percent. Waves building to 1 to 2 feet.
.THURSDAY NIGHT...Rain showers through midnight, then rain showers
likely late. Lows around 51. South winds 5 to 15 mph. Chance of
showers 80 percent. Waves building to 2 to 3 feet.
.FRIDAY...Warmer. Mostly cloudy with a 50 percent chance of rain
showers. Highs 60 to 65.
.FRIDAY NIGHT...A 40 percent chance of rain showers through
midnight. Mostly cloudy. Lows around 51.
.SATURDAY...Partly cloudy. Highs around 55 at the shore and 57 to
62 inland.
.SATURDAY NIGHT THROUGH SUNDAY NIGHT...Mostly cloudy. Lows around
45. Highs 50 to 55.
.MONDAY...Partly cloudy. Highs 52 to 57.
.MONDAY NIGHT...Mostly cloudy. Lows around 46.
.TUESDAY...A chance of rain showers by mid afternoon. Partly sunny.
Highs 51 to 56. Chance of showers 30 percent.

&&


$$