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SXUS43 KMQT 170901
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MIZ001-172000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Thu Jul 17 2025

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

.TODAY...Warmer, sunny. Highs around 60 at the shore and 65 to
70 inland. Northwest winds 5 to 10 mph becoming southwest 5 to
15 mph by mid afternoon. Waves calm to 1 foot building to 1 to
2 feet.
.TONIGHT...Mostly clear. Lows around 52. Southwest winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.FRIDAY...Warmer. A 20 percent chance of rain showers by mid
afternoon. Partly sunny. Highs around 63 at the shore and 71 to
76 inland. Southwest winds 5 to 15 mph. Waves calm to 1 foot.
.FRIDAY NIGHT...A chance of rain showers through midnight, then a
slight chance of rain showers late. Mostly cloudy. Lows around 56.
Southwest winds 5 to 10 mph becoming west late. Chance of showers
40 percent. Waves calm to 1 foot.
.SATURDAY...Partly cloudy through early afternoon then clearing.
Highs around 64 at the shore and 73 to 78 inland. North winds 5 to
10 mph becoming east by late morning, then becoming southwest by mid
afternoon. Waves calm to 1 foot.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 54 to 59. Highs
around 65 at the shore and 73 to 78 inland.
.SUNDAY NIGHT...Mostly cloudy. Lows 54 to 59.
.MONDAY...Partly cloudy. Highs around 64 at the shore and 73 to
78 inland.
.MONDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows 56 to 61.
.TUESDAY...Partly cloudy. Highs around 68 at the shore and 77 to
82 inland.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows 57 to 62. Highs
around 67 at the shore and 75 to 80 inland.

&&

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

.TODAY...Warmer, sunny. Highs around 57 at the shore and 62 to
67 inland. Northwest winds 5 to 10 mph becoming southwest 5 to
15 mph by mid afternoon. Waves calm to 1 foot building to 1 to
2 feet.
.TONIGHT...Mostly clear. Lows 49 to 54. Southwest winds 5 to 15 mph.
Waves subsiding to calm to 1 foot.
.FRIDAY...A 20 percent chance of rain showers by mid afternoon.
Partly sunny. Highs around 58 at the shore and 67 to 72 inland.
Southwest winds 5 to 15 mph. Waves calm to 1 foot.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows 51 to 56. Southwest winds 5 to 10 mph becoming west
late. Waves calm to 1 foot.
.SATURDAY...Partly cloudy. Highs around 58 at the shore and 68 to
73 inland. West winds 5 to 10 mph becoming southwest by mid
afternoon. Waves calm to 1 foot.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 51 to 56. Highs
around 57 at the shore and 68 to 73 inland.
.SUNDAY NIGHT...Mostly cloudy. Lows 51 to 56 inland and around 49 at
the shore.
.MONDAY...Partly cloudy. Highs around 57 at the shore and 67 to
72 inland.
.MONDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
54 to 59 inland and around 51 at the shore. Chance of showers
30 percent.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy. Highs around 60 at the
shore and 71 to 76 inland. Lows 55 to 60 inland and around 52 at the
shore.

&&

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

.TODAY...Warmer, sunny. Highs around 58 at the shore and 64 to
69 inland. Northwest winds 5 to 10 mph becoming southwest 5 to
15 mph by mid afternoon. Waves calm to 1 foot building to 1 to
2 feet.
.TONIGHT...Mostly clear. Lows 50 to 55. Southwest winds 5 to 15 mph.
Waves subsiding to calm to 1 foot.
.FRIDAY...Warmer. A 20 percent chance of rain showers by mid
afternoon. Partly sunny. Highs around 60 at the shore and 71 to
76 inland. Southwest winds 5 to 15 mph. Waves calm to 1 foot.
.FRIDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows 52 to 57. Southwest winds 5 to 10 mph becoming west
late. Waves calm to 1 foot.
.SATURDAY...Partly cloudy through early afternoon then clearing.
Highs around 61 at the shore and 72 to 77 inland. West winds 5 to
10 mph becoming southwest by mid afternoon. Waves calm to 1 foot.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows 52 to 57. Highs
around 60 at the shore and 72 to 77 inland.
.SUNDAY NIGHT...Mostly cloudy. Lows 53 to 58 inland and around 49 at
the shore.
.MONDAY...Partly cloudy. Highs around 59 at the shore and 71 to
76 inland.
.MONDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
55 to 60 inland and around 51 at the shore. Chance of showers
30 percent.
.TUESDAY...Partly cloudy. Highs around 62 at the shore and 75 to
80 inland.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows 56 to 61 inland
and around 52 at the shore. Highs around 63 at the shore and 73 to
78 inland.

&&

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

.TODAY...Warmer, sunny. Highs around 61 at the shore and 65 to
70 inland. Northwest winds 5 to 10 mph becoming southwest 5 to
15 mph by mid afternoon. Waves calm to 1 foot building to 1 to
2 feet.
.TONIGHT...Mostly clear. Lows around 52. Southwest winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.FRIDAY...A 20 percent chance of rain showers by mid afternoon.
Partly sunny. Highs around 61 at the shore and 71 to 76 inland.
Southwest winds 5 to 10 mph. Waves calm to 1 foot.
.FRIDAY NIGHT...A chance of rain showers through midnight, then a
slight chance of rain showers late. Mostly cloudy. Lows around 55.
Southwest winds 5 to 10 mph becoming west late. Chance of showers
40 percent. Waves calm to 1 foot.
.SATURDAY...Partly cloudy. Highs around 62 at the shore and 73 to
78 inland. North winds 5 to 10 mph becoming east by late morning,
then becoming southwest by mid afternoon. Waves calm to 1 foot.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 55. Highs
around 62 at the shore and 73 to 78 inland.
.SUNDAY NIGHT...Mostly cloudy. Lows 53 to 58.
.MONDAY...Partly cloudy. Highs around 63 at the shore and 73 to
78 inland.
.MONDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows around 58.
.TUESDAY...Partly cloudy. Highs around 66 at the shore and 77 to
82 inland.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows 57 to 62. Highs
around 65 at the shore and 76 to 81 inland.

&&


$$