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SXUS43 KMQT 290901
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MIZ001-292000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Sun Jun 29 2025

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

.TODAY...A slight chance of rain showers and thunderstorms by late
morning. A chance of rain showers and thunderstorms late. Partly
sunny. Highs around 62 at the shore and 71 to 76 inland. Southwest
winds 5 to 15 mph. Waves calm to 1 foot building to 1 to 2 feet.
.TONIGHT...A 20 percent chance of rain showers and thunderstorms
through midnight. Mostly cloudy. Lows 52 to 57. Southwest winds 5 to
15 mph becoming west 5 to 10 mph late. Waves subsiding to calm to
1 foot.
.MONDAY...A 20 percent chance of rain showers and thunderstorms by
mid afternoon. Mostly sunny. Highs around 63 at the shore and 71 to
76 inland. Southwest winds 5 to 15 mph. Waves building to 2 to
3 feet.
.MONDAY NIGHT...Mostly clear. Lows 53 to 58. West winds 5 to 15 mph.
Waves subsiding to 1 to 2 feet.
.TUESDAY...Sunny. Highs around 65 at the shore and 74 to 79 inland.
West winds 5 to 15 mph becoming southwest 10 to 20 mph by mid
afternoon. Waves building to 2 to 3 feet.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows around 56. Highs
around 65 at the shore and 72 to 77 inland.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 52. Highs
around 61 at the shore and 68 to 73 inland.
.THURSDAY NIGHT...Partly cloudy. Lows around 52.
.INDEPENDENCE DAY...Partly sunny with a 40 percent chance of rain
showers and thunderstorms. Highs around 62 at the shore and 70 to
75 inland.
.FRIDAY NIGHT...Rain showers likely. Lows around 55. Chance of
showers 70 percent.
.SATURDAY...Partly cloudy with a 40 percent chance of rain showers.
Highs around 64 at the shore and 72 to 77 inland.

&&

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

.TODAY...A slight chance of rain showers and thunderstorms by early
afternoon. A chance of rain showers and thunderstorms late. Partly
sunny. Highs around 58 at the shore and 66 to 71 inland. Southwest
winds 5 to 15 mph. Waves calm to 1 foot building to 1 to 2 feet,
then subsiding to calm to 1 foot.
.TONIGHT...A 20 percent chance of rain showers and thunderstorms
through midnight. Mostly cloudy. Lows 48 to 53. Southwest winds 5 to
10 mph becoming west late. Waves calm to 1 foot.
.MONDAY...A 20 percent chance of rain showers and thunderstorms by
mid afternoon. Partly cloudy. Highs around 58 at the shore and 69 to
74 inland. West winds 5 to 10 mph becoming southwest 5 to 15 mph by
late morning. Waves building to 1 to 2 feet.
.MONDAY NIGHT...Partly cloudy. Lows 51 to 56. West winds 5 to
15 mph. Waves subsiding to calm to 1 foot, then building to 1 to
2 feet.
.TUESDAY...Sunny. Highs around 60 at the shore and 70 to 75 inland.
West winds 5 to 15 mph becoming 10 to 15 mph by mid afternoon. Waves
1 to 2 feet.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 52 to 57. Highs
around 59 at the shore and 68 to 73 inland.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 49. Highs
around 54 at the shore and 62 to 67 inland.
.THURSDAY NIGHT...Partly cloudy. Lows 47 to 52.
.INDEPENDENCE DAY...Partly sunny with a 40 percent chance of rain
showers and thunderstorms. Highs around 56 at the shore and 65 to
70 inland.
.FRIDAY NIGHT...Rain showers likely through midnight, then a chance
of rain showers late. Mostly cloudy. Lows 50 to 55. Chance of
showers 60 percent.
.SATURDAY...Partly sunny with a 40 percent chance of rain showers.
Highs around 59 at the shore and 68 to 73 inland.

&&

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

.TODAY...A slight chance of rain showers and thunderstorms by early
afternoon. A chance of rain showers and thunderstorms late. Partly
sunny. Highs around 59 at the shore and 71 to 76 inland. Southwest
winds 5 to 15 mph. Waves calm to 1 foot.
.TONIGHT...A 30 percent chance of rain showers and thunderstorms
through midnight. Mostly cloudy. Lows 52 to 57 inland and around
47 at the shore. Southwest winds 5 to 10 mph becoming west late.
Waves calm to 1 foot.
.MONDAY...A 20 percent chance of rain showers and thunderstorms by
mid afternoon. Mostly sunny. Highs around 61 at the shore and 72 to
77 inland. Southwest winds 5 to 15 mph. Waves building to 1 to
2 feet.
.MONDAY NIGHT...Partly cloudy. Lows 52 to 57. West winds 5 to
15 mph. Waves 1 to 2 feet.
.TUESDAY...Sunny. Highs around 62 at the shore and 74 to 79 inland.
West winds 5 to 15 mph becoming 10 to 15 mph by mid afternoon. Waves
building to 2 to 3 feet.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 53 to 58. Highs
around 61 at the shore and 71 to 76 inland.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows 48 to 53. Highs
around 56 at the shore and 66 to 71 inland.
.THURSDAY NIGHT...Partly cloudy. Lows 48 to 53.
.INDEPENDENCE DAY...Partly sunny with a 40 percent chance of rain
showers and thunderstorms. Highs around 58 at the shore and 68 to
73 inland.
.FRIDAY NIGHT...Rain showers likely through midnight, then a chance
of rain showers late. Mostly cloudy. Lows 51 to 56. Chance of
showers 60 percent.
.SATURDAY...A 40 percent chance of rain showers. Partly sunny
through early afternoon then becoming mostly sunny. Highs around
61 at the shore and 71 to 76 inland.

&&

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

.TODAY...A slight chance of rain showers and thunderstorms by late
morning. A chance of rain showers and thunderstorms late. Mostly
cloudy. Highs around 63 at the shore and 70 to 75 inland. Southwest
winds 5 to 15 mph. Waves calm to 1 foot.
.TONIGHT...A 20 percent chance of rain showers and thunderstorms
through midnight. Mostly cloudy. Lows 50 to 55. Southwest winds 5 to
15 mph becoming west 5 to 10 mph late. Waves calm to 1 foot.
.MONDAY...A 20 percent chance of rain showers and thunderstorms by
mid afternoon. Mostly sunny. Highs around 63 at the shore and 71 to
76 inland. Southwest winds 5 to 15 mph. Waves building to 1 to
2 feet.
.MONDAY NIGHT...Partly cloudy. Lows 52 to 57. West winds 5 to
15 mph. Waves 1 to 2 feet.
.TUESDAY...Sunny. Highs around 63 at the shore and 74 to 79 inland.
West winds 5 to 15 mph increasing to 10 to 20 mph by mid afternoon.
Waves building to 2 to 3 feet.
.TUESDAY NIGHT AND WEDNESDAY...Mostly clear. Lows 53 to 58. Highs
around 62 at the shore and 72 to 77 inland.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 51. Highs
around 58 at the shore and 68 to 73 inland.
.THURSDAY NIGHT...Partly cloudy. Lows around 51.
.INDEPENDENCE DAY...Partly sunny with a 40 percent chance of rain
showers and thunderstorms. Highs around 61 at the shore and 70 to
75 inland.
.FRIDAY NIGHT...Rain showers likely. Lows around 54. Chance of
showers 70 percent.
.SATURDAY...Partly sunny with a 40 percent chance of rain showers.
Highs around 62 at the shore and 72 to 77 inland.

&&


$$