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MIZ001-052000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Sat Jul 5 2025

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

.TODAY...Rain showers likely and a chance of thunderstorms through
mid afternoon, then a chance of rain showers and thunderstorms late.
Highs around 62 at the shore and 70 to 75 inland. Southwest winds
5 to 10 mph becoming west by early afternoon, then becoming north
late. Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...Mostly cloudy with a 20 percent chance of rain showers
through midnight, then partly cloudy late. Lows 53 to 58. North
winds 5 to 15 mph. Waves 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 51 to 56. West winds 5 to 10 mph
becoming northeast late. Waves calm to 1 foot.
.MONDAY...Partly cloudy. Highs around 59 at the shore and 68 to
73 inland. East winds up to 5 mph becoming up to 10 mph by late
morning. Waves calm to 1 foot.
.MONDAY NIGHT...A chance of rain showers. Mostly cloudy. Lows around
51. Chance of showers 50 percent.
.TUESDAY THROUGH THURSDAY NIGHT...Mostly cloudy. Highs around 59 at
the shore and 69 to 74 inland. Lows 51 to 56.
.FRIDAY...A chance of rain showers by mid afternoon. Mostly cloudy.
Highs around 61 at the shore and 69 to 74 inland. Chance of showers
30 percent.

&&

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

.TODAY...Rain showers likely and a chance of thunderstorms through
early afternoon, then rain showers and a slight chance of
thunderstorms by early afternoon. A chance of rain showers and
thunderstorms late. Highs around 57 at the shore and 66 to
71 inland. Southwest winds 5 to 10 mph becoming west by late
morning, then becoming northeast by early afternoon becoming north
late. Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...Mostly cloudy with a chance of rain showers through
midnight, then partly cloudy with a slight chance of rain showers
late. Lows 50 to 55. North winds 5 to 15 mph. Chance of showers
30 percent. Waves 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 through midnight then becoming mostly
cloudy. Lows 48 to 53. Northwest winds 5 to 10 mph becoming north
late. Waves calm to 1 foot.
.MONDAY...Mostly sunny through early afternoon then becoming partly
sunny. Highs around 53 at the shore and 62 to 67 inland. Northeast
winds up to 5 mph becoming east by late morning. Waves calm to
1 foot.
.MONDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
47 to 52. Chance of showers 40 percent.
.TUESDAY THROUGH FRIDAY...Mostly cloudy. Highs around 54 at the
shore and 64 to 69 inland. Lows 47 to 52.

&&

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

.TODAY...Rain showers and a chance of thunderstorms through early
afternoon, then a chance of rain showers and a slight chance of
thunderstorms by mid afternoon. Highs around 58 at the shore and
68 to 73 inland. Southwest winds 5 to 10 mph becoming northeast by
early afternoon, then becoming north late. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy with a 20 percent chance of rain showers
through midnight, then partly cloudy late. Lows 50 to 55. North
winds 5 to 15 mph increasing to 10 to 20 mph late. Waves building to
2 to 3 feet.
.SUNDAY...Sunny. Highs around 58 at the shore and 69 to 74 inland.
North winds 5 to 15 mph becoming northwest 5 to 10 mph late. Waves
subsiding to calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 49 to 54. Northwest winds 5 to 10 mph becoming north
late. Waves calm to 1 foot.
.MONDAY...Mostly sunny through early afternoon then becoming partly
sunny. Highs around 56 at the shore and 66 to 71 inland. Northeast
winds up to 5 mph becoming east by late morning. Waves calm to
1 foot.
.MONDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
47 to 52. Chance of showers 40 percent.
.TUESDAY THROUGH FRIDAY...Mostly cloudy. Highs around 56 at the
shore and 68 to 73 inland. Lows 48 to 53.

&&

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

.TODAY...Rain showers likely and a chance of thunderstorms through
mid afternoon, then a chance of rain showers and thunderstorms late.
Highs around 62 at the shore and 71 to 76 inland. Southwest winds
5 to 10 mph becoming west by early afternoon, then becoming north
late. Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...Mostly cloudy with a 30 percent chance of rain showers
through midnight, then partly cloudy late. Lows 53 to 58. North
winds 5 to 15 mph. Waves calm to 1 foot.
.SUNDAY...Sunny. Highs around 60 at the shore and 70 to 75 inland.
Northeast winds 10 to 15 mph decreasing to 5 to 10 mph by mid
afternoon. Waves building to 1 to 2 feet subsiding to calm to
1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows around 52. Northwest winds up to
10 mph becoming northeast late. Waves calm to 1 foot.
.MONDAY...Partly cloudy. Highs around 58 at the shore and 68 to
73 inland. East winds up to 5 mph becoming up to 10 mph by late
morning. Waves calm to 1 foot.
.MONDAY NIGHT...A chance of rain showers. Mostly cloudy. Lows 49 to
54. Chance of showers 50 percent.
.TUESDAY THROUGH THURSDAY NIGHT...Mostly cloudy. Highs around 58 at
the shore and 69 to 74 inland. Lows 50 to 55.
.FRIDAY...A chance of rain showers by mid afternoon. Mostly cloudy.
Highs around 60 at the shore and 70 to 75 inland. Chance of showers
30 percent.

&&


$$