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MIZ001-152000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Tue Jul 15 2025

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

.TODAY...Cooler, haze. A chance of thunderstorms through early
afternoon. Rain showers likely. Thunderstorms likely by mid
afternoon. Highs around 60 at the shore and 65 to 70 inland.
Northeast winds 5 to 10 mph becoming southeast by late morning, then
becoming west by mid afternoon. Waves calm to 1 foot.
.TONIGHT...Haze through midnight. Rain showers likely and a slight
chance of thunderstorms through midnight, then a chance of rain
showers late. Cloudy. Lows around 53. North winds 5 to 15 mph
becoming northeast 10 to 20 mph late. Chance of precipitation
70 percent. Waves building to 1 to 2 feet.
.WEDNESDAY...A chance of rain showers through early afternoon, then
a slight chance of rain showers by mid afternoon. Partly sunny.
Highs around 60 at the shore and 67 to 72 inland. Northeast winds
5 to 15 mph becoming 5 to 10 mph late. Chance of showers 40 percent.
Waves subsiding to calm to 1 foot.
.WEDNESDAY NIGHT...A chance of rain showers through midnight, then a
slight chance of rain showers late. Mostly cloudy. Lows around 55.
Northeast winds 5 to 10 mph becoming north by midnight. Chance of
showers 40 percent. Waves calm to 1 foot.
.THURSDAY...Warmer, sunny. Highs around 64 at the shore and 72 to
77 inland. North winds 5 to 10 mph becoming southwest 5 to 15 mph by
mid afternoon. Waves calm to 1 foot.
.THURSDAY NIGHT...Mostly clear. Lows around 57.
.FRIDAY...Partly cloudy. Highs around 65 at the shore and 73 to
78 inland.
.FRIDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
around 57. Chance of showers 50 percent.
.SATURDAY...A chance of rain showers through early afternoon. Partly
sunny. Highs around 63 at the shore and 71 to 76 inland. Chance of
showers 40 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows 54 to 59.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs around 64 at the shore
and 73 to 78 inland. Lows around 56.

&&

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

.TODAY...Cooler. A chance of rain showers and thunderstorms early,
then rain showers likely and a chance of thunderstorms by late
morning. Haze. Highs around 56 at the shore and 61 to 66 inland.
East winds 5 to 15 mph becoming southeast 5 to 10 mph by late
morning, then becoming southwest by early afternoon becoming west
late. Waves 1 to 2 feet.
.TONIGHT...Haze through midnight. Rain showers likely and a slight
chance of thunderstorms through midnight, then a chance of rain
showers late. Cloudy. Lows around 51. North winds 5 to 15 mph
increasing to 10 to 20 mph late. Chance of precipitation 70 percent.
Waves subsiding to calm to 1 foot building to 1 to 2 feet.
.WEDNESDAY...A chance of rain showers through early afternoon, then
a slight chance of rain showers by mid afternoon. Mostly cloudy.
Highs around 57 at the shore and 62 to 67 inland. Northeast winds
10 to 15 mph decreasing to 5 to 10 mph by mid afternoon. Chance of
showers 40 percent. Waves subsiding to calm to 1 foot.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows 51 to 56. North winds 5 to 10 mph. Waves calm to
1 foot.
.THURSDAY...Sunny. Highs around 58 at the shore and 67 to 72 inland.
North winds 5 to 10 mph becoming southwest 5 to 15 mph by mid
afternoon. Waves calm to 1 foot.
.THURSDAY NIGHT...Mostly clear. Lows 52 to 57.
.FRIDAY...Mostly sunny through early afternoon then becoming partly
sunny. Highs around 59 at the shore and 69 to 74 inland.
.FRIDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
51 to 56. Chance of showers 40 percent.
.SATURDAY...A chance of rain showers through early afternoon. Partly
sunny. Highs around 56 at the shore and 65 to 70 inland. Chance of
showers 30 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows 51 to 56.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs around 57 at the
shore and 68 to 73 inland. Lows 50 to 55.
.MONDAY...Partly sunny. Highs around 57 at the shore and 67 to
72 inland.

&&

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

.TODAY...Cooler. A chance of rain showers and thunderstorms early,
then rain showers likely and a chance of thunderstorms by late
morning. Haze. Highs around 58 at the shore and 63 to 68 inland.
East winds 5 to 15 mph becoming southeast 5 to 10 mph by late
morning, then becoming west by early afternoon becoming west 5 to
10 mph late. Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...Haze through midnight. Rain showers likely and a slight
chance of thunderstorms through midnight, then a chance of rain
showers late. Cloudy. Lows around 51. North winds 5 to 15 mph
increasing to 10 to 20 mph late. Chance of precipitation 70 percent.
Waves building to 1 to 2 feet.
.WEDNESDAY...A 30 percent chance of rain showers through early
afternoon. Partly sunny. Highs around 58 at the shore and 65 to
70 inland. Northeast winds 5 to 15 mph. Waves subsiding to calm to
1 foot.
.WEDNESDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows 52 to 57. North winds 5 to 10 mph. Waves calm to
1 foot.
.THURSDAY...Warmer, sunny. Highs around 61 at the shore and 71 to
76 inland. North winds 5 to 10 mph becoming southwest 5 to 15 mph by
mid afternoon. Waves calm to 1 foot.
.THURSDAY NIGHT...Mostly clear. Lows 53 to 58.
.FRIDAY...Partly cloudy. Highs around 61 at the shore and 72 to
77 inland.
.FRIDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
52 to 57. Chance of showers 40 percent.
.SATURDAY...A chance of rain showers through early afternoon. Partly
sunny. Highs around 58 at the shore and 68 to 73 inland. Chance of
showers 30 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows 51 to 56.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs around 60 at the shore
and 71 to 76 inland. Lows 51 to 56.

&&

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

.TODAY...Cooler, haze. A chance of thunderstorms through early
afternoon. Rain showers likely. Thunderstorms likely by mid
afternoon. Highs around 61 at the shore and 64 to 69 inland.
Northeast winds 5 to 10 mph becoming southeast by late morning, then
becoming west by mid afternoon. Waves calm to 1 foot building to
1 to 2 feet, then subsiding to calm to 1 foot.
.TONIGHT...Haze through midnight. A chance of rain showers and a
slight chance of thunderstorms through midnight, then a chance of
rain showers late. Cloudy. Lows around 53. North winds 5 to 10 mph
becoming northeast 10 to 20 mph by midnight. Chance of precipitation
50 percent. Waves calm to 1 foot.
.WEDNESDAY...A chance of rain showers through early afternoon, then
a slight chance of rain showers by mid afternoon. Mostly cloudy.
Highs around 58 at the shore and 66 to 71 inland. Northeast winds
5 to 15 mph becoming 5 to 10 mph late. Chance of showers 40 percent.
Waves building to 1 to 2 feet subsiding to calm to 1 foot.
.WEDNESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 55. Northeast winds 5 to 10 mph becoming north
by midnight. Waves calm to 1 foot.
.THURSDAY...Warmer, sunny. Highs around 62 at the shore and 72 to
77 inland. North winds 5 to 10 mph becoming southwest 5 to 15 mph by
mid afternoon. Waves calm to 1 foot.
.THURSDAY NIGHT...Mostly clear. Lows around 56.
.FRIDAY...Partly cloudy. Highs around 63 at the shore and 73 to
78 inland.
.FRIDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
54 to 59. Chance of showers 40 percent.
.SATURDAY...A chance of rain showers through early afternoon. Partly
sunny. Highs around 61 at the shore and 71 to 76 inland. Chance of
showers 40 percent.
.SATURDAY NIGHT...Mostly cloudy. Lows around 55.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs around 62 at the shore
and 72 to 77 inland. Lows around 55.

&&


$$