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MIZ001-060800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Thu Jun 5 2025

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

.TONIGHT...Mostly cloudy with a 20 percent chance of rain showers.
Areas of smoke late. Lows 45 to 50. Southwest winds 5 to 10 mph
becoming northwest late. Waves calm to 1 foot.
.FRIDAY...Partly sunny through early afternoon then clearing. Areas
of smoke. Highs around 49 at the shore and 60 to 65 inland.
Northeast winds up to 5 mph becoming southwest by mid afternoon.
Waves calm to 1 foot.
.FRIDAY NIGHT...Mostly cloudy. Areas of smoke. Lows around 44.
Southwest winds 5 to 10 mph. Waves calm to 1 foot.
.SATURDAY...Partly cloudy. Highs around 54 at the shore and 62 to
67 inland. South winds 5 to 10 mph becoming southeast late. Waves
calm to 1 foot.
.SATURDAY NIGHT...A slight chance of rain showers through midnight,
then rain showers likely and a slight chance of thunderstorms late.
Mostly cloudy. Lows around 46. Southeast winds 5 to 15 mph. Chance
of precipitation 70 percent. Waves building to 2 to 3 feet.
.SUNDAY...Rain showers through early afternoon, then rain showers
likely by mid afternoon. Highs around 52 at the shore and 57 to
62 inland. Chance of showers 90 percent.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy with a 50 percent chance of
rain showers. Lows around 44. Highs around 53 at the shore and 59 to
64 inland.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows around 46. Highs
around 55 at the shore and 62 to 67 inland.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 48. Highs
around 57 at the shore and 64 to 69 inland.
.WEDNESDAY NIGHT AND THURSDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 48. Highs around 57 at the shore and
63 to 68 inland.

&&

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

.TONIGHT...A 20 percent chance of rain showers by midnight. Areas of
smoke late. Mostly cloudy. Lows around 45. Southwest winds 5 to
10 mph becoming northwest late. Waves calm to 1 foot.
.FRIDAY...Cooler. Partly sunny through early afternoon then
clearing. Areas of smoke. Highs around 47 at the shore and 56 to
61 inland. North winds up to 5 mph becoming southeast by late
morning, then becoming southwest by mid afternoon. Waves calm to
1 foot.
.FRIDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Areas of smoke. Lows around 42. Southwest winds 5 to 10 mph.
Waves calm to 1 foot.
.SATURDAY...Partly cloudy. Highs around 47 at the shore and 55 to
60 inland. South winds 5 to 10 mph becoming southeast 5 to 15 mph
late. Waves building to 1 to 2 feet.
.SATURDAY NIGHT...Rain showers likely and a slight chance of
thunderstorms late. Mostly cloudy. Lows around 44. Southeast winds
10 to 20 mph becoming south late. Chance of precipitation
60 percent. Waves building to 2 to 4 feet.
.SUNDAY...Rain showers through early afternoon, then rain showers
likely by mid afternoon. Highs around 49 at the shore and 53 to
58 inland. Chance of showers 90 percent.
.SUNDAY NIGHT...Cloudy with a 40 percent chance of rain showers.
Lows around 43.
.MONDAY...Mostly cloudy with a 50 percent chance of rain showers.
Highs around 50 at the shore and 55 to 60 inland.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows around 45. Highs
around 53 at the shore and 59 to 64 inland.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 46. Highs
around 55 at the shore and 60 to 65 inland.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 46.
.THURSDAY...A chance of rain showers by mid afternoon. Partly sunny.
Highs around 53 at the shore and 57 to 62 inland. Chance of showers
30 percent.

&&

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

.TONIGHT...A 20 percent chance of rain showers by midnight. Mostly
cloudy. Lows around 45. Southwest winds 5 to 10 mph becoming
northwest late. Waves calm to 1 foot.
.FRIDAY...Partly sunny through early afternoon then clearing. Areas
of smoke. Highs around 48 at the shore and 58 to 63 inland. North
winds 5 to 10 mph becoming southwest by mid afternoon. Waves calm to
1 foot.
.FRIDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Areas of smoke. Lows around 43. Southwest winds 5 to 10 mph.
Waves calm to 1 foot.
.SATURDAY...Partly cloudy. Highs around 50 at the shore and 59 to
64 inland. South winds 5 to 10 mph becoming southeast 5 to 15 mph
late. Waves calm to 1 foot.
.SATURDAY NIGHT...Rain showers likely and a slight chance of
thunderstorms late. Mostly cloudy. Lows around 44. Southeast winds
10 to 15 mph becoming south 10 to 20 mph late. Chance of
precipitation 60 percent. Waves building to 2 to 3 feet.
.SUNDAY...Rain showers through early afternoon, then rain showers
likely by mid afternoon. Highs around 50 at the shore and 55 to
60 inland. Chance of showers 80 percent.
.SUNDAY NIGHT...Cloudy with a 40 percent chance of rain showers.
Lows around 43.
.MONDAY...Mostly cloudy with a 50 percent chance of rain showers.
Highs around 51 at the shore and 57 to 62 inland.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows around 45. Highs
around 55 at the shore and 62 to 67 inland.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 47. Highs
around 56 at the shore and 63 to 68 inland.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 46.
.THURSDAY...A chance of rain showers by mid afternoon. Partly sunny.
Highs around 54 at the shore and 60 to 65 inland. Chance of showers
30 percent.

&&

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

.TONIGHT...Mostly cloudy with a 20 percent chance of rain showers.
Areas of smoke late. Lows around 46. West winds up to 10 mph
becoming northwest late. Waves calm to 1 foot.
.FRIDAY...Partly sunny through early afternoon then clearing. Areas
of smoke. Highs around 51 at the shore and 58 to 63 inland.
Northeast winds up to 5 mph becoming south by late morning, then
becoming southwest by mid afternoon. Waves calm to 1 foot.
.FRIDAY NIGHT...Mostly cloudy. Areas of smoke. Lows around 43.
Southwest winds up to 10 mph. Waves calm to 1 foot.
.SATURDAY...Partly cloudy. Highs around 51 at the shore and 60 to
65 inland. South winds 5 to 10 mph becoming southeast 5 to 15 mph
late. Waves calm to 1 foot.
.SATURDAY NIGHT...A slight chance of rain showers through midnight,
then rain showers likely and a slight chance of thunderstorms late.
Mostly cloudy. Lows around 45. Southeast winds 5 to 15 mph becoming
south late. Chance of precipitation 70 percent. Waves building to
2 to 3 feet.
.SUNDAY...Rain showers through early afternoon, then rain showers
likely by mid afternoon. Highs around 52 at the shore and 57 to
62 inland. Chance of showers 90 percent.
.SUNDAY NIGHT AND MONDAY...Mostly cloudy with a 50 percent chance of
rain showers. Lows around 44. Highs around 52 at the shore and 58 to
63 inland.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows around 45. Highs
around 55 at the shore and 61 to 66 inland.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows around 47. Highs
around 57 at the shore and 63 to 68 inland.
.WEDNESDAY NIGHT AND THURSDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 47. Highs around 56 at the shore and
62 to 67 inland.

&&


$$