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MIZ001-150800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Mon Sep 14 2026

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

...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT TUESDAY...

.TONIGHT...Breezy. Rain showers through midnight, then a chance of
rain showers late. A slight chance of rain showers late. Lows around
56. Southeast winds 15 to 25 mph becoming south late. Waves 1 to
2 feet building to 4 to 7 feet.
.TUESDAY...Windy. Partly cloudy. Highs around 64. Southwest winds
15 to 25 mph becoming west by late morning. Waves building to 7 to
10 feet subsiding to 4 to 7 feet.
.TUESDAY NIGHT...Mostly clear. Lows around 52. West winds 10 to
15 mph becoming northwest 5 to 15 mph late. Waves subsiding to calm
to 1 foot.
.WEDNESDAY...Partly sunny. Highs around 62. North winds 5 to 10 mph
becoming northeast by late morning, then becoming southeast by mid
afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 57. South winds 5 to
10 mph becoming southwest late. Waves calm to 1 foot.
.THURSDAY...Sunny. Highs around 66.
.THURSDAY NIGHT...Partly cloudy. Lows around 57.
.FRIDAY...Partly sunny. Highs 64 to 69.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 58.
.SATURDAY...A 30 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs 64 to 69.
.SATURDAY NIGHT THROUGH MONDAY...Mostly cloudy. Lows around 56.
Highs 62 to 67.

&&

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

...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT TUESDAY...

.TONIGHT...Breezy. Rain showers through midnight, then rain showers
likely late. A slight chance of rain showers late. Lows around 55.
Southeast winds 15 to 25 mph becoming south late. Waves 2 to 3 feet
building to 4 to 7 feet.
.TUESDAY...Windy. Partly cloudy. Highs 60 to 65. Southwest winds
15 to 25 mph becoming west by mid afternoon. Waves building to 5 to
8 feet subsiding to 3 to 5 feet.
.TUESDAY NIGHT...Mostly clear. Lows around 51. West winds 5 to
15 mph becoming northwest late. Waves subsiding to calm to 1 foot.
.WEDNESDAY...Partly cloudy. Highs around 59. North winds 5 to 10 mph
becoming northeast by late morning, then becoming southeast by mid
afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 55. South winds 5 to
10 mph becoming southwest late. Waves calm to 1 foot.
.THURSDAY...Sunny. Highs 61 to 66.
.THURSDAY NIGHT...Partly cloudy. Lows around 55.
.FRIDAY...Partly sunny. Highs around 60 at the shore and 62 to
67 inland.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 56.
.SATURDAY...A chance of rain showers through early afternoon. Mostly
cloudy. Highs around 60 at the shore and 62 to 67 inland. Chance of
showers 30 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows around 54. Highs
around 57 at the shore and 59 to 64 inland.
.SUNDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 54. Chance of showers 30 percent.
.MONDAY...Partly sunny. Highs around 58 at the shore and 60 to
65 inland.

&&

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

...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT TUESDAY...

.TONIGHT...Breezy. Rain showers through midnight, then rain showers
likely late. A slight chance of rain showers late. Lows around 56.
Southeast winds 15 to 25 mph becoming southwest late. Waves 2 to
3 feet building to 3 to 6 feet.
.TUESDAY...Windy. Partly cloudy. Highs 62 to 67. Southwest winds
15 to 25 mph becoming west late. Waves building to 5 to 8 feet, then
subsiding to 3 to 5 feet.
.TUESDAY NIGHT...Mostly clear. Lows around 52. West winds 5 to
15 mph becoming northwest late. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...Partly cloudy. Highs around 62. Northwest winds 5 to
10 mph becoming northeast by late morning, then becoming southeast
by mid afternoon. Waves subsiding to calm to 1 foot.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 57. South winds 5 to
10 mph becoming southwest late. Waves calm to 1 foot.
.THURSDAY...Sunny. Highs 63 to 68.
.THURSDAY NIGHT...Partly cloudy. Lows around 56.
.FRIDAY...Partly sunny. Highs 63 to 68.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 57.
.SATURDAY...A chance of rain showers through early afternoon. Mostly
cloudy. Highs around 63 at the shore and 65 to 70 inland. Chance of
showers 30 percent.
.SATURDAY NIGHT AND SUNDAY...Mostly cloudy. Lows around 55. Highs
around 60 at the shore and 62 to 67 inland.
.SUNDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 55. Chance of showers 30 percent.
.MONDAY...Partly sunny. Highs around 61 at the shore and 63 to
68 inland.

&&

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

...WIND ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT TUESDAY...

.TONIGHT...Breezy. Rain showers through midnight, then a chance of
rain showers late. A slight chance of rain showers late. Lows around
55. Southeast winds 15 to 25 mph becoming southwest late. Waves 1 to
2 feet building to 4 to 7 feet.
.TUESDAY...Windy. Partly cloudy. Highs 61 to 66. Southwest winds
20 to 30 mph becoming west 15 to 25 mph by mid afternoon. Waves
building to 6 to 9 feet subsiding to 3 to 6 feet.
.TUESDAY NIGHT...Mostly clear. Lows around 51. West winds 5 to
15 mph becoming northwest 5 to 10 mph late. Waves subsiding to calm
to 1 foot.
.WEDNESDAY...Partly sunny. Highs 59 to 64. North winds up to 5 mph
becoming southeast by mid afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 56. Southeast winds
5 to 10 mph becoming southwest late. Waves calm to 1 foot.
.THURSDAY...Sunny. Highs around 60 at the shore and 64 to 69 inland.
.THURSDAY NIGHT...Partly cloudy. Lows around 56.
.FRIDAY...Partly sunny. Highs around 59 at the shore and 64 to
69 inland.
.FRIDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 57.
.SATURDAY...A 30 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs around 59 at the shore and 64 to
69 inland.
.SATURDAY NIGHT THROUGH MONDAY...Mostly cloudy. Lows around 55.
Highs around 58 at the shore and 62 to 67 inland.

&&


$$