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SXUS43 KMQT 220902
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MIZ001-222000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
502 AM EDT Tue Jul 22 2025

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

.TODAY...A chance of rain showers and a slight chance of
thunderstorms by early afternoon. A chance of rain showers and
thunderstorms late. Partly sunny. Highs around 65 at the shore and
70 to 75 inland. South winds 5 to 10 mph. Waves 1 to 2 feet
subsiding to calm to 1 foot.
.TONIGHT...Showers likely and a chance of thunderstorms through
midnight, then showers with thunderstorms likely late. Patchy fog.
Lows 59 to 64. Southeast winds 5 to 15 mph becoming south late.
Chance of precipitation 80 percent. Waves building to 1 to 2 feet.
.WEDNESDAY...A chance of showers and thunderstorms through early
afternoon, then showers likely and a chance of thunderstorms by mid
afternoon. Mostly cloudy. Highs around 67 at the shore and 74 to
79 inland. South winds 5 to 15 mph becoming southwest by late
morning. Chance of precipitation 60 percent. Waves building to 2 to
3 feet subsiding to calm to 1 foot.
.WEDNESDAY NIGHT...Mostly cloudy with a 50 percent chance of showers
and thunderstorms. Lows around 61. Southwest winds 5 to 10 mph
becoming north late, then becoming north 5 to 10 mph late. Waves
calm to 1 foot.
.THURSDAY...Partly cloudy with a 20 percent chance of showers and
thunderstorms. Highs around 68 at the shore and 76 to 81 inland.
North winds up to 10 mph becoming south by early afternoon, then
becoming southwest late. Waves calm to 1 foot.
.THURSDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows around 60.
.FRIDAY...Partly cloudy. Highs around 67 at the shore and 75 to
80 inland.
.FRIDAY NIGHT...Mostly cloudy. Lows around 59.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs around 69 at the
shore and 79 to 84 inland. Lows around 62.
.SUNDAY NIGHT...A chance of showers late. Mostly cloudy. Lows around
60. Chance of showers 30 percent.
.MONDAY...A chance of rain showers through early afternoon. Partly
cloudy. Highs around 68 at the shore and 76 to 81 inland. Chance of
showers 30 percent.

&&

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

.TODAY...A chance of rain showers and a slight chance of
thunderstorms by mid afternoon. Partly sunny. Highs around 58 at the
shore and 65 to 70 inland. South winds 5 to 10 mph becoming
southeast late. Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...A chance of rain showers and thunderstorms through
midnight, then rain showers likely and a chance of thunderstorms
late. Patchy fog. Lows 56 to 61 inland and around 52 at the shore.
Southeast winds 5 to 15 mph becoming south late. Chance of
precipitation 70 percent. Waves building to 2 to 3 feet.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of rain showers
and thunderstorms. Highs around 61 at the shore and 70 to 75 inland.
South winds 5 to 15 mph becoming west 5 to 10 mph by mid afternoon.
Waves subsiding to 1 to 2 feet.
.WEDNESDAY NIGHT...Cloudy with a 50 percent chance of rain showers
and thunderstorms. Lows 55 to 60. South winds 5 to 10 mph becoming
northwest late, then becoming north late. Waves subsiding to calm to
1 foot.
.THURSDAY...A 20 percent chance of rain showers and thunderstorms
through early afternoon. Partly sunny. Highs around 61 at the shore
and 72 to 77 inland. North winds 5 to 10 mph becoming southwest by
mid afternoon. Waves calm to 1 foot.
.THURSDAY NIGHT...Mostly cloudy. Lows 54 to 59.
.FRIDAY...Partly cloudy. Highs around 60 at the shore and 70 to
75 inland.
.FRIDAY NIGHT...Mostly cloudy. Lows 54 to 59.
.SATURDAY...Partly cloudy. Highs around 62 at the shore and 72 to
77 inland.
.SATURDAY NIGHT...Mostly cloudy. Lows 57 to 62 inland and around
54 at the shore.
.SUNDAY...Partly cloudy. Highs around 62 at the shore and 74 to
79 inland.
.SUNDAY NIGHT AND MONDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows 54 to 59. Highs around 61 at the shore and 72 to
77 inland.

&&

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

.TODAY...A chance of rain showers and a slight chance of
thunderstorms by mid afternoon. Partly sunny. Highs around 60 at the
shore and 68 to 73 inland. South winds 5 to 10 mph becoming
southeast late. Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...Rain showers likely and a chance of thunderstorms. Patchy
fog. Lows 57 to 62 inland and around 52 at the shore. Southeast
winds 5 to 15 mph becoming south late. Chance of precipitation
70 percent. Waves building to 1 to 2 feet.
.WEDNESDAY...Mostly cloudy with a 50 percent chance of rain showers
and thunderstorms. Highs around 63 at the shore and 74 to 79 inland.
South winds 5 to 15 mph becoming west 5 to 10 mph by mid afternoon.
Waves subsiding to calm to 1 foot.
.WEDNESDAY NIGHT...Cloudy with a 50 percent chance of rain showers
and thunderstorms. Lows 56 to 61. South winds 5 to 10 mph becoming
southeast by midnight, then becoming northwest late becoming north
late. Waves calm to 1 foot.
.THURSDAY...A 20 percent chance of rain showers through early
afternoon. Partly sunny. Highs around 64 at the shore and 75 to
80 inland. North winds 5 to 10 mph becoming southwest by mid
afternoon. Waves calm to 1 foot.
.THURSDAY NIGHT...Mostly cloudy. Lows 55 to 60.
.FRIDAY...Partly cloudy. Highs around 63 at the shore and 73 to
78 inland.
.FRIDAY NIGHT...Mostly cloudy. Lows 55 to 60.
.SATURDAY...Partly cloudy. Highs around 65 at the shore and 75 to
80 inland.
.SATURDAY NIGHT...Mostly cloudy. Lows 59 to 64 inland and around
55 at the shore.
.SUNDAY...Partly cloudy. Highs around 65 at the shore and 78 to
83 inland.
.SUNDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
56 to 61. Chance of showers 30 percent.
.MONDAY...A chance of rain showers through early afternoon. Partly
cloudy. Highs around 64 at the shore and 75 to 80 inland. Chance of
showers 30 percent.

&&

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

.TODAY...A chance of rain showers and a slight chance of
thunderstorms by early afternoon. A chance of rain showers and
thunderstorms late. Partly sunny. Highs around 64 at the shore and
68 to 73 inland. South winds 5 to 10 mph becoming southeast late.
Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...Rain showers likely and a chance of thunderstorms through
midnight, then rain showers with thunderstorms likely late. Patchy
fog. Lows 57 to 62. Southeast winds 5 to 15 mph becoming south late.
Chance of precipitation 80 percent. Waves building to 2 to 3 feet.
.WEDNESDAY...Warmer. Rain showers likely and a chance of
thunderstorms. Highs around 66 at the shore and 74 to 79 inland.
Southwest winds 5 to 15 mph. Chance of precipitation 60 percent.
Waves subsiding to 1 to 2 feet.
.WEDNESDAY NIGHT...Rain showers likely and a chance of thunderstorms
through midnight, then a chance of rain showers and thunderstorms
late. Cloudy. Lows 57 to 62. Southwest winds 5 to 10 mph becoming
northwest late, then becoming north late. Chance of precipitation
60 percent. Waves subsiding to calm to 1 foot.
.THURSDAY...A 20 percent chance of rain showers and thunderstorms
through early afternoon. Partly sunny. Highs around 66 at the shore
and 76 to 81 inland. North winds 5 to 10 mph becoming northwest by
late morning, then becoming southwest by mid afternoon. Waves calm
to 1 foot.
.THURSDAY NIGHT...Mostly cloudy. Lows around 59.
.FRIDAY...Partly cloudy. Highs around 65 at the shore and 75 to
80 inland.
.FRIDAY NIGHT...Mostly cloudy. Lows around 59.
.SATURDAY...Partly cloudy. Highs around 67 at the shore and 77 to
82 inland.
.SATURDAY NIGHT...Mostly cloudy. Lows around 61.
.SUNDAY...Partly cloudy. Highs around 68 at the shore and 79 to
84 inland.
.SUNDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
57 to 62. Chance of showers 30 percent.
.MONDAY...A chance of rain showers through early afternoon. Partly
cloudy. Highs around 66 at the shore and 76 to 81 inland. Chance of
showers 30 percent.

&&


$$