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

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

.TONIGHT...Patchy fog through midnight. Mostly cloudy with a
20 percent chance of rain showers early in the evening, then mostly
cloudy by midnight. Lows around 56. North winds 5 to 15 mph. Waves
calm to 1 foot building to 1 to 2 feet.
.SUNDAY...Sunny. Highs around 61 at the shore and 70 to 75 inland.
Northeast winds 10 to 20 mph decreasing to 5 to 10 mph by mid
afternoon. Waves building to 2 to 3 feet subsiding to calm to
1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows around 53. West winds up to
10 mph becoming north late. Waves calm to 1 foot.
.MONDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 60 at the shore and 69 to 74 inland. Northeast winds up
to 5 mph becoming southeast by mid afternoon. Waves calm to 1 foot.
.MONDAY NIGHT...A slight chance of rain showers through midnight,
then rain showers likely and a slight chance of thunderstorms late.
Mostly cloudy. Lows 50 to 55. East winds up to 5 mph becoming up to
10 mph late. Chance of precipitation 60 percent. Waves calm to
1 foot.
.TUESDAY THROUGH THURSDAY NIGHT...Mostly cloudy. Highs around 58 at
the shore and 69 to 74 inland. Lows 51 to 56.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of rain
showers. Highs around 61 at the shore and 70 to 75 inland. Lows
52 to 57. Chance of showers 50 percent.
.SATURDAY...A chance of rain showers. Partly sunny. Highs around
62 at the shore and 70 to 75 inland. Chance of showers 30 percent.

&&

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

.TONIGHT...Patchy fog through midnight. Cloudy with a 20 percent
chance of rain showers early in the evening, then mostly cloudy by
midnight. Lows 51 to 56. North winds 5 to 15 mph increasing to 10 to
20 mph late. Waves calm to 1 foot building to 2 to 3 feet.
.SUNDAY...Sunny. Highs around 56 at the shore and 66 to 71 inland.
North winds 5 to 15 mph becoming 5 to 10 mph late. Waves subsiding
to calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows 48 to 53. Northwest winds 5 to
10 mph becoming north late. Waves calm to 1 foot.
.MONDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 54 at the shore and 65 to 70 inland. Northeast winds up
to 5 mph becoming southeast by mid afternoon. Waves calm to 1 foot.
.MONDAY NIGHT...A slight chance of rain showers through midnight,
then a chance of rain showers and a slight chance of thunderstorms
late. Mostly cloudy. Lows 47 to 52. Southeast winds up to 5 mph
becoming east late. Chance of precipitation 50 percent. Waves calm
to 1 foot.
.TUESDAY THROUGH THURSDAY NIGHT...Mostly cloudy. Highs around 53 at
the shore and 64 to 69 inland. Lows 48 to 53.
.FRIDAY...Mostly cloudy with a chance of rain showers. Highs around
56 at the shore and 65 to 70 inland. Chance of showers 40 percent.
.FRIDAY NIGHT...A chance of rain showers. Mostly cloudy. Lows 49 to
54. Chance of showers 50 percent.
.SATURDAY...A chance of rain showers. Partly sunny. Highs around
56 at the shore and 66 to 71 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 early in the evening.
Patchy fog early in the evening, then areas of dense fog by
midnight. Mostly cloudy through midnight then becoming partly
cloudy. Lows 52 to 57. North winds 5 to 15 mph increasing to 10 to
20 mph late. Waves calm to 1 foot building to 2 to 3 feet.
.SUNDAY...Sunny. Highs around 58 at the shore and 69 to 74 inland.
North winds 10 to 20 mph becoming northwest 5 to 10 mph late. Waves
subsiding to calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows 49 to 54. Northwest winds 5 to
10 mph becoming north late. Waves calm to 1 foot.
.MONDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 57 at the shore and 69 to 74 inland. Northeast winds up
to 5 mph becoming southeast by mid afternoon. Waves calm to 1 foot.
.MONDAY NIGHT...A slight chance of rain showers through midnight,
then a chance of rain showers and a slight chance of thunderstorms
late. Mostly cloudy. Lows 48 to 53. Southeast winds up to 10 mph
becoming east late. Chance of precipitation 50 percent. Waves calm
to 1 foot.
.TUESDAY THROUGH THURSDAY NIGHT...Mostly cloudy. Highs around 54 at
the shore and 68 to 73 inland. Lows 51 to 56 inland and around 47 at
the shore.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of rain
showers. Highs around 57 at the shore and 68 to 73 inland. Lows
50 to 55. Chance of showers 40 percent.
.SATURDAY...A chance of rain showers. Partly sunny. Highs around
58 at the shore and 69 to 74 inland. Chance of showers 30 percent.

&&

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

.TONIGHT...Patchy fog through midnight. Cloudy with a 20 percent
chance of rain showers early in the evening, then mostly cloudy by
midnight. Lows around 56. North winds 5 to 15 mph becoming 10 to
15 mph late. Waves calm to 1 foot.
.SUNDAY...Sunny. Highs around 60 at the shore and 70 to 75 inland.
Northeast winds 5 to 15 mph becoming east 5 to 10 mph late. Waves
building to 1 to 2 feet subsiding to calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows around 52. Northwest winds up to
5 mph becoming north late. Waves calm to 1 foot.
.MONDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 59 at the shore and 69 to 74 inland. Northeast winds up
to 5 mph becoming southeast by mid afternoon. Waves calm to 1 foot.
.MONDAY NIGHT...A slight chance of rain showers through midnight,
then a chance of rain showers and a slight chance of thunderstorms
late. Mostly cloudy. Lows 49 to 54. East winds up to 5 mph. Chance
of precipitation 50 percent. Waves calm to 1 foot.
.TUESDAY THROUGH THURSDAY NIGHT...Mostly cloudy. Highs around 56 at
the shore and 69 to 74 inland. Lows 51 to 56.
.FRIDAY AND FRIDAY NIGHT...Mostly cloudy with a chance of rain
showers. Highs around 60 at the shore and 70 to 75 inland. Lows
51 to 56. Chance of showers 50 percent.
.SATURDAY...A chance of rain showers. Partly sunny. Highs around
60 at the shore and 70 to 75 inland. Chance of showers 30 percent.

&&


$$