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MIZ001-302000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Mon Jun 30 2025

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

.TODAY...A 20 percent chance of rain showers and thunderstorms late.
Partly cloudy. Highs around 62 at the shore and 72 to 77 inland.
Southwest winds 5 to 15 mph increasing to 10 to 20 mph by mid
afternoon. Waves 1 to 2 feet building to 2 to 3 feet.
.TONIGHT...Partly cloudy. Lows 53 to 58. West winds 5 to 15 mph
becoming 5 to 10 mph late. Waves subsiding to 1 to 2 feet.
.TUESDAY...Sunny through early afternoon, then partly cloudy with a
20 percent chance of rain showers and thunderstorms by mid
afternoon. Highs around 65 at the shore and 73 to 78 inland.
Southwest winds 5 to 15 mph. Waves building to 2 to 4 feet.
.TUESDAY NIGHT...Mostly clear. Lows around 56. West winds 5 to
15 mph. Waves subsiding to 1 to 2 feet.
.WEDNESDAY...Sunny. Highs around 65 at the shore and 73 to
78 inland. West winds 5 to 15 mph. Waves subsiding to calm to 1 foot
building to 1 to 2 feet.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 52. Highs
around 60 at the shore and 68 to 73 inland.
.THURSDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 52.
.INDEPENDENCE DAY...A chance of rain showers. Partly sunny. Highs
around 62 at the shore and 71 to 76 inland. Chance of showers
40 percent.
.FRIDAY NIGHT...A chance of rain showers through midnight, then rain
showers likely late. Mostly cloudy. Lows 54 to 59. Chance of showers
70 percent.
.SATURDAY...Partly sunny with a chance of rain showers. Highs around
64 at the shore and 72 to 77 inland. Chance of showers 50 percent.
.SATURDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows around 55.
.SUNDAY...Mostly sunny. Highs around 63 at the shore and 71 to
76 inland.

&&

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

.TODAY...Patchy dense fog early. A 20 percent chance of rain showers
and thunderstorms late. Partly sunny. Highs around 57 at the shore
and 69 to 74 inland. Southwest winds 5 to 15 mph increasing to 10 to
20 mph by mid afternoon. Waves calm to 1 foot building to 1 to
2 feet.
.TONIGHT...Partly cloudy. Lows 51 to 56. West winds 10 to 15 mph.
Waves 1 to 2 feet.
.TUESDAY...Sunny through early afternoon, then partly cloudy with a
chance of rain showers and a slight chance of thunderstorms by mid
afternoon. Highs around 60 at the shore and 72 to 77 inland. West
winds 10 to 15 mph becoming southwest by mid afternoon. Chance of
precipitation 30 percent. Waves subsiding to calm to 1 foot building
to 1 to 2 feet.
.TUESDAY NIGHT...Mostly clear. Lows 52 to 57. West winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.WEDNESDAY...Sunny. Highs around 59 at the shore and 71 to
76 inland. West winds 5 to 15 mph. Waves building to 1 to 2 feet.
.WEDNESDAY NIGHT AND THURSDAY...Cooler. Mostly clear. Lows around
49. Highs around 54 at the shore and 63 to 68 inland.
.THURSDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows 48 to 53.
.INDEPENDENCE DAY...A chance of rain showers. Partly sunny. Highs
around 56 at the shore and 65 to 70 inland. Chance of showers
30 percent.
.FRIDAY NIGHT...A chance of rain showers through midnight, then rain
showers likely late. Mostly cloudy. Lows 51 to 56. Chance of showers
60 percent.
.SATURDAY...Partly sunny with a chance of rain showers. Highs around
58 at the shore and 67 to 72 inland. Chance of showers 50 percent.
.SATURDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows 50 to 55.
.SUNDAY...Mostly sunny. Highs around 57 at the shore and 66 to
71 inland.

&&

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

.TODAY...Patchy dense fog early. A 20 percent chance of rain showers
and thunderstorms late. Partly sunny. Highs around 60 at the shore
and 73 to 78 inland. Southwest winds 5 to 15 mph. Waves calm to
1 foot building to 2 to 3 feet, then subsiding to 1 to 2 feet.
.TONIGHT...Partly cloudy. Lows 52 to 57. West winds 10 to 15 mph.
Waves 1 to 2 feet.
.TUESDAY...Sunny through early afternoon, then partly cloudy with a
chance of rain showers and a slight chance of thunderstorms by mid
afternoon. Highs around 62 at the shore and 74 to 79 inland. West
winds 10 to 15 mph. Chance of precipitation 30 percent. Waves
building to 2 to 3 feet, then subsiding to 1 to 2 feet.
.TUESDAY NIGHT...Mostly clear. Lows 53 to 58. West winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.WEDNESDAY...Sunny. Highs around 62 at the shore and 72 to
77 inland. West winds 5 to 15 mph. Waves building to 1 to 2 feet.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 48 to 53. Highs
around 57 at the shore and 66 to 71 inland.
.THURSDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows 48 to 53.
.INDEPENDENCE DAY...A chance of rain showers. Partly sunny. Highs
around 58 at the shore and 68 to 73 inland. Chance of showers
30 percent.
.FRIDAY NIGHT...A chance of rain showers through midnight, then rain
showers likely late. Mostly cloudy. Lows 51 to 56. Chance of showers
60 percent.
.SATURDAY...Partly sunny with a chance of rain showers. Highs around
60 at the shore and 70 to 75 inland. Chance of showers 50 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows 51 to 56.
.SUNDAY...Mostly 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...A 20 percent chance of rain showers and thunderstorms late.
Partly cloudy. Highs around 61 at the shore and 72 to 77 inland.
Southwest winds 5 to 15 mph. Waves 1 to 2 feet subsiding to calm to
1 foot building to 2 to 3 feet.
.TONIGHT...Partly cloudy. Lows around 54. West winds 5 to 15 mph
becoming 5 to 10 mph late. Waves subsiding to calm to 1 foot.
.TUESDAY...Sunny through early afternoon, then partly cloudy with a
20 percent chance of rain showers and thunderstorms by mid
afternoon. Highs around 63 at the shore and 73 to 78 inland. West
winds 5 to 15 mph becoming 10 to 15 mph by mid afternoon. Waves
building to 2 to 3 feet.
.TUESDAY NIGHT...Mostly clear. Lows around 55. West winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.WEDNESDAY...Sunny. Highs around 63 at the shore and 73 to
78 inland. West winds 5 to 15 mph. Waves building to 1 to 2 feet.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 51. Highs
around 59 at the shore and 68 to 73 inland.
.THURSDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 52.
.INDEPENDENCE DAY...A chance of rain showers. Partly sunny. Highs
around 61 at the shore and 71 to 76 inland. Chance of showers
40 percent.
.FRIDAY NIGHT...A chance of rain showers through midnight, then rain
showers likely late. Mostly cloudy. Lows 53 to 58. Chance of showers
70 percent.
.SATURDAY...Partly sunny with a chance of rain showers. Highs around
62 at the shore and 72 to 77 inland. Chance of showers 50 percent.
.SATURDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 54. Chance of showers 30 percent.
.SUNDAY...Mostly sunny. Highs around 60 at the shore and 71 to
76 inland.

&&


$$