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MIZ001-180800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Tue Jun 17 2025

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

.TONIGHT...Partly cloudy. Lows 51 to 56 inland and around 47 at the
shore. West winds 5 to 15 mph becoming 5 to 10 mph late. Waves 2 to
3 feet subsiding to calm to 1 foot.
.WEDNESDAY...Partly sunny. Highs around 57 at the shore and 66 to
71 inland. West winds 5 to 10 mph becoming south by mid afternoon.
Waves calm to 1 foot.
.WEDNESDAY NIGHT...A 20 percent chance of rain showers late. Mostly
cloudy. Lows around 46. Southwest winds 5 to 10 mph becoming north
late. Waves calm to 1 foot.
.JUNETEENTH...Partly sunny with a 50 percent chance of rain showers.
Highs around 54 at the shore and 59 to 64 inland. Northeast winds
5 to 10 mph becoming east by mid afternoon. Waves calm to 1 foot.
.THURSDAY NIGHT...A chance of rain showers and a slight chance of
thunderstorms through midnight, then a chance of rain showers late.
Mostly cloudy. Lows around 46. East winds 5 to 10 mph. Chance of
precipitation 50 percent. Waves calm to 1 foot.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain showers.
Highs around 55 at the shore and 62 to 67 inland.
.FRIDAY NIGHT...A chance of rain showers through midnight, then rain
showers likely late. Cloudy. Lows around 48. Chance of showers
70 percent.
.SATURDAY...A 30 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs around 59 at the shore and 67 to
72 inland.
.SATURDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
49 to 54. Chance of showers 50 percent.
.SUNDAY...Warmer. A chance of rain showers through early afternoon.
Partly sunny. Highs around 63 at the shore and 75 to 80 inland.
Chance of showers 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
54 to 59 inland and around 50 at the shore. Chance of showers
40 percent.
.MONDAY...A chance of rain showers by mid afternoon. Partly sunny.
Highs around 62 at the shore and 67 to 72 inland. Chance of showers
30 percent.
.MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 50.
.TUESDAY...Partly sunny with a 30 percent chance of rain showers.
Highs around 57 at the shore and 64 to 69 inland.

&&

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

.TONIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 47 to 52 inland and around 45 at the shore. West winds
5 to 15 mph becoming 5 to 10 mph late. Waves 1 to 2 feet subsiding
to calm to 1 foot.
.WEDNESDAY...Partly sunny. Highs around 51 at the shore and 60 to
65 inland. Northwest winds 5 to 10 mph becoming southeast by late
morning, then becoming south by mid afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...A 20 percent chance of rain showers late. Mostly
cloudy. Lows around 44. South winds 5 to 10 mph becoming west by
midnight, then becoming north late. Waves calm to 1 foot.
.JUNETEENTH...Cool. A slight chance of rain showers through early
afternoon, then a chance of rain showers by mid afternoon. Partly
sunny. Highs around 50 at the shore and 54 to 59 inland. Northeast
winds 5 to 10 mph becoming east by mid afternoon. Chance of showers
40 percent. Waves calm to 1 foot.
.THURSDAY NIGHT...A chance of rain showers and a slight chance of
thunderstorms through midnight, then a chance of rain showers late.
Mostly cloudy. Lows around 44. East winds 5 to 10 mph. Chance of
precipitation 40 percent. Waves calm to 1 foot.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain showers.
Highs around 49 at the shore and 57 to 62 inland.
.FRIDAY NIGHT...A chance of rain showers through midnight, then rain
showers likely late. Cloudy. Lows around 46. Chance of showers
70 percent.
.SATURDAY...A 30 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs around 52 at the shore and 61 to
66 inland.
.SATURDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
45 to 50. Chance of showers 40 percent.
.SUNDAY...A chance of rain showers through early afternoon. Partly
sunny. Highs around 55 at the shore and 68 to 73 inland. Chance of
showers 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
48 to 53. Chance of showers 40 percent.
.MONDAY...Partly sunny with a 30 percent chance of rain showers.
Highs around 56 at the shore and 63 to 68 inland.
.MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 48.
.TUESDAY...A chance of rain showers through early afternoon. Partly
sunny. Highs around 54 at the shore and 59 to 64 inland. Chance of
showers 30 percent.

&&

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

.TONIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 48 to 53 inland and around 44 at the shore. West winds
5 to 15 mph becoming 5 to 10 mph late. Waves 1 to 2 feet subsiding
to calm to 1 foot.
.WEDNESDAY...Partly sunny. Highs around 53 at the shore and 64 to
69 inland. Northwest winds 5 to 10 mph becoming south by late
morning. Waves calm to 1 foot.
.WEDNESDAY NIGHT...A 20 percent chance of rain showers late. Mostly
cloudy. Lows around 45. South winds up to 10 mph becoming northwest
by midnight, then becoming north late. Waves calm to 1 foot.
.JUNETEENTH...A slight chance of rain showers through early
afternoon, then a chance of rain showers by mid afternoon. Partly
sunny. Highs around 51 at the shore and 58 to 63 inland. Northeast
winds 5 to 10 mph becoming east by mid afternoon. Chance of showers
40 percent. Waves calm to 1 foot.
.THURSDAY NIGHT...A chance of rain showers and a slight chance of
thunderstorms through midnight, then a chance of rain showers late.
Mostly cloudy. Lows around 45. East winds 5 to 10 mph. Chance of
precipitation 40 percent. Waves calm to 1 foot.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain showers.
Highs around 51 at the shore and 60 to 65 inland.
.FRIDAY NIGHT...A chance of rain showers through midnight, then rain
showers likely late. Cloudy. Lows around 47. Chance of showers
70 percent.
.SATURDAY...A 30 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs around 55 at the shore and 65 to
70 inland.
.SATURDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
47 to 52. Chance of showers 40 percent.
.SUNDAY...Warmer. A chance of rain showers through early afternoon.
Partly sunny. Highs around 59 at the shore and 72 to 77 inland.
Chance of showers 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
52 to 57 inland and around 48 at the shore. Chance of showers
40 percent.
.MONDAY...Partly sunny with a 30 percent chance of rain showers.
Highs around 58 at the shore and 66 to 71 inland.
.MONDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 49.
.TUESDAY...A chance of rain showers through early afternoon. Partly
sunny. Highs around 55 at the shore and 62 to 67 inland. Chance of
showers 30 percent.

&&

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

.TONIGHT...Partly cloudy. Lows 49 to 54 inland and around 47 at the
shore. West winds 5 to 15 mph becoming 5 to 10 mph late. Waves 2 to
3 feet subsiding to calm to 1 foot.
.WEDNESDAY...Partly sunny. Highs around 55 at the shore and 66 to
71 inland. West winds up to 5 mph becoming south by late morning.
Waves calm to 1 foot.
.WEDNESDAY NIGHT...A 20 percent chance of rain showers late. Mostly
cloudy. Lows 44 to 49. Southwest winds up to 10 mph becoming north
late. Waves calm to 1 foot.
.JUNETEENTH...Partly sunny with a 50 percent chance of rain showers.
Highs around 51 at the shore and 58 to 63 inland. Northeast winds
5 to 10 mph becoming east by late morning. Waves calm to 1 foot.
.THURSDAY NIGHT...A chance of rain showers and a slight chance of
thunderstorms through midnight, then a chance of rain showers late.
Mostly cloudy. Lows around 45. East winds up to 10 mph. Chance of
precipitation 50 percent. Waves calm to 1 foot.
.FRIDAY...Mostly cloudy with a 40 percent chance of rain showers.
Highs around 54 at the shore and 62 to 67 inland.
.FRIDAY NIGHT...Rain showers likely. Lows around 48. Chance of
showers 70 percent.
.SATURDAY...A 30 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs around 56 at the shore and 66 to
71 inland.
.SATURDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
48 to 53. Chance of showers 50 percent.
.SUNDAY...Warmer. A chance of rain showers through early afternoon.
Partly sunny. Highs around 61 at the shore and 74 to 79 inland.
Chance of showers 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a chance of rain showers. Lows
51 to 56. Chance of showers 40 percent.
.MONDAY...A chance of rain showers by mid afternoon. Partly sunny.
Highs around 59 at the shore and 67 to 72 inland. Chance of showers
30 percent.
.MONDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 50.
.TUESDAY...Partly sunny with a 30 percent chance of rain showers.
Highs around 56 at the shore and 63 to 68 inland.

&&


$$