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SXUS43 KMQT 102102
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MIZ001-110800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Sun Aug 10 2025

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

.TONIGHT...Warm. Partly cloudy then becoming mostly cloudy by
midnight then becoming partly cloudy. Lows around 66. Southwest
winds 5 to 15 mph becoming west 5 to 10 mph late. Waves 1 to 2 feet
subsiding to calm to 1 foot.
.MONDAY...Sunny. Highs around 72 at the shore and 78 to 83 inland.
West winds 5 to 10 mph becoming southwest 5 to 15 mph by late
morning. Waves building to 1 to 2 feet.
.MONDAY NIGHT...Warm. Partly cloudy through midnight then becoming
mostly cloudy. Haze. Lows around 67. Southwest winds 5 to 15 mph.
Waves building to 2 to 3 feet.
.TUESDAY...Warm. A chance of showers through early afternoon, then a
slight chance of showers and thunderstorms by mid afternoon. Partly
cloudy. Highs around 73 at the shore and 79 to 84 inland. Southwest
winds 10 to 20 mph becoming west late. Chance of precipitation
30 percent. Waves building to 2 to 4 feet.
.TUESDAY NIGHT...Mostly clear. Lows around 62. West winds 10 to
15 mph becoming northwest late. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...Sunny. Highs around 69 at the shore and 74 to
79 inland.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 60. Highs
around 69 at the shore and 74 to 79 inland.
.THURSDAY NIGHT...A chance of showers late. Mostly cloudy. Lows
around 64. Chance of showers 30 percent.
.FRIDAY...Warm. Partly cloudy with a chance of showers. Highs around
74 at the shore and 79 to 84 inland. Chance of showers 30 percent.
.FRIDAY NIGHT...Warm. Mostly cloudy with a chance of showers. Lows
around 67. Chance of showers 40 percent.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy with a 30 percent
chance of showers. Highs around 74 at the shore and 79 to 84 inland.
Lows around 64.
.SUNDAY...Mostly sunny with a 30 percent chance of showers. Highs
around 70 at the shore and 75 to 80 inland.

&&

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

.TONIGHT...Mostly cloudy. Lows around 64. Southwest winds 5 to
15 mph becoming west 5 to 10 mph late. Waves 1 to 2 feet subsiding
to calm to 1 foot.
.MONDAY...Sunny. Highs around 69 at the shore and 75 to 80 inland.
West winds 5 to 10 mph becoming southwest 10 to 15 mph by mid
afternoon. Waves building to 1 to 2 feet.
.MONDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Haze. Lows 63 to 68. Southwest winds 5 to 15 mph. Waves 1 to
2 feet.
.TUESDAY...Haze through early afternoon. Partly sunny with a chance
of showers through early afternoon, then mostly sunny with a slight
chance of showers and thunderstorms by mid afternoon. Highs around
69 at the shore and 76 to 81 inland. Southwest winds 10 to 20 mph
becoming west 10 to 15 mph late. Chance of precipitation 30 percent.
Waves building to 2 to 4 feet.
.TUESDAY NIGHT...Partly cloudy. Lows around 61. West winds 10 to
15 mph becoming northwest late. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...Sunny. Highs around 66 at the shore and 71 to
76 inland.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 59. Highs
around 66 at the shore and 71 to 76 inland.
.THURSDAY NIGHT...Mostly cloudy. Lows around 62.
.FRIDAY...Warmer. A chance of showers. Partly cloudy. Highs around
69 at the shore and 77 to 82 inland. Chance of showers 30 percent.
.FRIDAY NIGHT...Warm. Mostly cloudy with a 30 percent chance of
showers. Lows around 65.
.SATURDAY...A chance of showers through early afternoon. Partly
cloudy. Highs around 71 at the shore and 76 to 81 inland. Chance of
showers 30 percent.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 62. Highs
around 67 at the shore and 72 to 77 inland.

&&

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

.TONIGHT...Mostly cloudy. Lows 63 to 68. Southwest winds 5 to 15 mph
becoming west 5 to 10 mph late. Waves 1 to 2 feet subsiding to calm
to 1 foot.
.MONDAY...Sunny. Highs around 71 at the shore and 78 to 83 inland.
West winds 5 to 10 mph becoming southwest 10 to 15 mph by mid
afternoon. Waves building to 1 to 2 feet.
.MONDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Haze. Lows 64 to 69. Southwest winds 10 to 15 mph. Waves
subsiding to calm to 1 foot building to 1 to 2 feet.
.TUESDAY...Haze through early afternoon. A chance of showers through
early afternoon, then a chance of showers and a slight chance of
thunderstorms by mid afternoon. Partly cloudy. Highs around 71 at
the shore and 79 to 84 inland. Southwest winds 10 to 20 mph becoming
west 10 to 15 mph late. Chance of precipitation 30 percent. Waves
building to 2 to 3 feet.
.TUESDAY NIGHT...Partly cloudy. Lows 60 to 65. West winds 10 to
15 mph becoming northwest late. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...Sunny. Highs around 67 at the shore and 74 to
79 inland.
.WEDNESDAY NIGHT...Partly cloudy. Lows 58 to 63.
.THURSDAY...Sunny. Highs around 66 at the shore and 74 to 79 inland.
.THURSDAY NIGHT...Mostly cloudy. Lows 61 to 66.
.FRIDAY...Warm. A chance of showers. Partly cloudy. Highs around
72 at the shore and 80 to 85 inland. Chance of showers 30 percent.
.FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of showers.
Lows 64 to 69.
.SATURDAY...A chance of showers through early afternoon. Partly
cloudy. Highs around 71 at the shore and 79 to 84 inland. Chance of
showers 30 percent.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 61 to 66. Highs
around 68 at the shore and 75 to 80 inland.

&&

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

.TONIGHT...Warm. Mostly cloudy. Lows around 65. Southwest winds 5 to
10 mph becoming west late. Waves 1 to 2 feet subsiding to calm to
1 foot.
.MONDAY...Sunny. Highs around 70 at the shore and 77 to 82 inland.
West winds 5 to 10 mph becoming southwest 5 to 15 mph by late
morning. Waves building to 1 to 2 feet.
.MONDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Haze. Lows 63 to 68. Southwest winds 5 to 15 mph. Waves
building to 2 to 3 feet.
.TUESDAY...Partly sunny with a chance of showers through early
afternoon, then mostly sunny with a slight chance of showers and
thunderstorms by mid afternoon. Highs around 71 at the shore and
78 to 83 inland. Southwest winds 10 to 20 mph becoming west late.
Chance of precipitation 30 percent. Waves building to 2 to 4 feet.
.TUESDAY NIGHT...Mostly clear. Lows around 61. West winds 10 to
15 mph becoming northwest late. Waves subsiding to calm to 1 foot.
.WEDNESDAY...Sunny. Highs around 66 at the shore and 74 to
79 inland.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 59. Highs
around 66 at the shore and 74 to 79 inland.
.THURSDAY NIGHT...A chance of showers late. Mostly cloudy. Lows
around 63. Chance of showers 30 percent.
.FRIDAY...Warm. A chance of showers. Partly cloudy. Highs around
72 at the shore and 80 to 85 inland. Chance of showers 30 percent.
.FRIDAY NIGHT...Mostly cloudy with a chance of showers. Lows 64 to
69. Chance of showers 40 percent.
.SATURDAY AND SATURDAY NIGHT...Partly cloudy with a 30 percent
chance of showers. Highs around 71 at the shore and 79 to 84 inland.
Lows 61 to 66.
.SUNDAY...Partly cloudy with a 30 percent chance of showers. Highs
around 67 at the shore and 75 to 80 inland.

&&


$$