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MIZ001-252000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Wed Jun 25 2025

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

.TODAY...Warmer. Mostly sunny then becoming partly sunny by late
morning then becoming cloudy. Highs around 61 at the shore and 70 to
75 inland. Southwest winds 5 to 10 mph becoming southeast late.
Waves calm to 1 foot.
.TONIGHT...A chance of rain showers through midnight, then a slight
chance of rain showers late. Mostly cloudy. Lows around 49. East
winds 5 to 10 mph becoming northeast by midnight. Chance of showers
30 percent. Waves calm to 1 foot.
.THURSDAY...A 20 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 56 at the shore and 64 to 69 inland.
East winds 5 to 15 mph. Waves calm to 1 foot.
.THURSDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 50. Northeast winds 5 to 15 mph. Waves building
to 1 to 2 feet.
.FRIDAY...Partly sunny. Highs around 57 at the shore and 65 to
70 inland. Northeast winds 5 to 15 mph becoming southeast 5 to
10 mph late. Waves subsiding to calm to 1 foot.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows around 49. Highs
around 60 at the shore and 67 to 72 inland.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
around 52. Chance of showers 50 percent.
.SUNDAY...A chance of rain showers. Partly sunny. Highs around 62 at
the shore and 71 to 76 inland. Chance of showers 40 percent.
.SUNDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 53. Chance of showers 30 percent.
.MONDAY...A chance of rain showers by mid afternoon. Partly cloudy.
Highs around 64 at the shore and 72 to 77 inland. Chance of showers
30 percent.
.MONDAY NIGHT...Partly cloudy. Lows around 54.
.TUESDAY...Sunny. Highs around 63 at the shore and 70 to 75 inland.

&&

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

.TODAY...Mostly sunny early then becoming partly sunny. Highs around
52 at the shore and 64 to 69 inland. Southwest winds 5 to 10 mph
becoming southeast late. Waves calm to 1 foot.
.TONIGHT...Cloudy with a 20 percent chance of rain showers. Lows
around 47. East winds 5 to 10 mph becoming northeast by midnight.
Waves calm to 1 foot.
.THURSDAY...A 20 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 50 at the shore and 59 to 64 inland.
East winds 5 to 15 mph. Waves calm to 1 foot.
.THURSDAY NIGHT...A chance of rain showers. Cloudy. Lows around 48.
Northeast winds 5 to 15 mph. Chance of showers 50 percent. Waves
building to 2 to 3 feet.
.FRIDAY...A 20 percent chance of rain showers through early
afternoon. Partly sunny. Highs around 52 at the shore and 60 to
65 inland. Northeast winds 5 to 15 mph. Waves subsiding to 1 to
2 feet.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows around 47. Highs
around 52 at the shore and 60 to 65 inland.
.SATURDAY NIGHT AND SUNDAY...A chance of rain showers. Mostly
cloudy. Lows 47 to 52. Highs around 54 at the shore and 65 to
70 inland. Chance of showers 40 percent.
.SUNDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows 48 to 53. Chance of showers 30 percent.
.MONDAY...A chance of rain showers by mid afternoon. Partly cloudy.
Highs around 57 at the shore and 66 to 71 inland. Chance of showers
30 percent.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 51. Highs
around 57 at the shore and 66 to 71 inland.

&&

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

.TODAY...Warmer. Partly cloudy through mid afternoon then becoming
mostly cloudy. Highs around 55 at the shore and 68 to 73 inland.
Southwest winds 5 to 10 mph becoming south by mid afternoon. Waves
calm to 1 foot.
.TONIGHT...Cloudy with a 20 percent chance of rain showers. Lows
around 47. East winds 5 to 10 mph. Waves calm to 1 foot.
.THURSDAY...A 20 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 52 at the shore and 62 to 67 inland.
East winds 5 to 15 mph. Waves calm to 1 foot.
.THURSDAY NIGHT...A chance of rain showers. Cloudy. Lows 46 to 51.
Northeast winds 5 to 15 mph. Chance of showers 50 percent. Waves
building to 1 to 2 feet.
.FRIDAY...Partly sunny. Highs around 54 at the shore and 63 to
68 inland. Northeast winds 5 to 15 mph becoming east 5 to 10 mph
late. Waves subsiding to calm to 1 foot.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows 46 to 51. Highs
around 53 at the shore and 64 to 69 inland.
.SATURDAY NIGHT AND SUNDAY...A chance of rain showers. Mostly
cloudy. Lows 48 to 53. Highs around 56 at the shore and 68 to
73 inland. Chance of showers 40 percent.
.SUNDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows 48 to 53. Chance of showers 30 percent.
.MONDAY...A chance of rain showers by mid afternoon. Partly cloudy.
Highs around 60 at the shore and 69 to 74 inland. Chance of showers
30 percent.
.MONDAY NIGHT...Partly cloudy. Lows 50 to 55.
.TUESDAY...Sunny. Highs around 59 at the shore and 69 to 74 inland.

&&

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

.TODAY...Warmer. Mostly sunny then becoming partly sunny by late
morning then becoming cloudy. Highs around 57 at the shore and 69 to
74 inland. Southwest winds 5 to 10 mph becoming east late. Waves
calm to 1 foot.
.TONIGHT...Cloudy with a 20 percent chance of rain showers. Lows
around 48. East winds 5 to 10 mph becoming northeast by midnight.
Waves calm to 1 foot.
.THURSDAY...A 20 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 54 at the shore and 64 to 69 inland.
East winds 5 to 15 mph. Waves building to 1 to 2 feet.
.THURSDAY NIGHT...A chance of rain showers. Mostly cloudy. Lows
around 49. Northeast winds 5 to 15 mph. Chance of showers
50 percent. Waves 1 to 2 feet.
.FRIDAY...Partly sunny. Highs around 55 at the shore and 65 to
70 inland. Northeast winds 5 to 10 mph. Waves 1 to 2 feet.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows around 48. Highs
around 57 at the shore and 67 to 72 inland.
.SATURDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
around 51. Chance of showers 50 percent.
.SUNDAY...A chance of rain showers. Partly sunny. Highs around 59 at
the shore and 70 to 75 inland. Chance of showers 40 percent.
.SUNDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 52. Chance of showers 30 percent.
.MONDAY...A chance of rain showers by mid afternoon. Partly cloudy.
Highs around 61 at the shore and 71 to 76 inland. Chance of showers
30 percent.
.MONDAY NIGHT...Partly cloudy. Lows around 53.
.TUESDAY...Sunny. Highs around 60 at the shore and 70 to 75 inland.

&&


$$