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SXUS43 KMQT 040902
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MIZ001-042000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Mon Aug 4 2025

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

.TODAY...Partly sunny. Haze early. Highs around 69 at the shore and
75 to 80 inland. East winds up to 5 mph increasing to 5 to 10 mph by
late morning. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Haze. Lows around 63. East winds 5 to
10 mph. Waves calm to 1 foot.
.TUESDAY...Partly cloudy. Haze. Highs around 71 at the shore and
76 to 81 inland. East winds 5 to 10 mph. Waves calm to 1 foot.
.TUESDAY NIGHT...Warm. Partly cloudy. Lows around 65. East winds
5 to 10 mph becoming southeast late. Waves calm to 1 foot.
.WEDNESDAY...Warm. Partly cloudy. Highs around 73 at the shore and
79 to 84 inland. Southeast winds 5 to 10 mph. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Warm. A chance of showers through midnight, then
a chance of showers and thunderstorms late. Mostly cloudy. Lows
around 67. Chance of precipitation 50 percent.
.THURSDAY AND THURSDAY NIGHT...A chance of showers. Mostly cloudy.
Highs around 73 at the shore and 80 to 85 inland. Lows around 68.
Chance of showers 30 percent.
.FRIDAY...Very warm. Partly cloudy. Highs around 75 at the shore and
82 to 87 inland.
.FRIDAY NIGHT...Warm. A chance of showers. Mostly cloudy. Lows
around 68. Chance of showers 40 percent.
.SATURDAY...Warm. A chance of showers by mid afternoon. Partly
sunny. Highs around 73 at the shore and 80 to 85 inland. Chance of
showers 30 percent.
.SATURDAY NIGHT...Warm. Mostly cloudy with a chance of showers. Lows
around 67. Chance of showers 40 percent.
.SUNDAY...Warm. Partly cloudy. Highs around 73 at the shore and
79 to 84 inland.

&&

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

.TODAY...Partly sunny. Highs around 63 at the shore and 70 to
75 inland. East winds up to 10 mph. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Haze late. Lows around 61. East winds 5 to
10 mph. Waves calm to 1 foot.
.TUESDAY...Partly cloudy. Haze. Highs around 63 at the shore and
71 to 76 inland. East winds 5 to 10 mph. Waves calm to 1 foot.
.TUESDAY NIGHT...Partly cloudy. Lows 60 to 65. Southeast winds 5 to
15 mph. Waves building to 1 to 2 feet.
.WEDNESDAY...Mostly sunny through early afternoon then becoming
partly sunny. Highs around 67 at the shore and 74 to 79 inland.
Southeast winds 5 to 15 mph. Waves building to 2 to 3 feet.
.WEDNESDAY NIGHT...A chance of showers and thunderstorms late.
Mostly cloudy. Lows 63 to 68. Chance of precipitation 40 percent.
.THURSDAY...A chance of showers through early afternoon. Partly
sunny. Highs around 68 at the shore and 76 to 81 inland. Chance of
showers 30 percent.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows 64 to 69. Highs
around 70 at the shore and 78 to 83 inland.
.FRIDAY NIGHT AND SATURDAY...A chance of showers. Mostly cloudy.
Lows 63 to 68. Highs around 69 at the shore and 76 to 81 inland.
Chance of showers 30 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows 63 to
68. Chance of showers 40 percent.
.SUNDAY...Partly cloudy. Highs around 68 at the shore and 75 to
80 inland.

&&

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

.TODAY...Partly cloudy. Highs around 65 at the shore and 74 to
79 inland. East winds up to 10 mph. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Haze. Lows 60 to 65. East winds 5 to
10 mph. Waves calm to 1 foot.
.TUESDAY...Partly cloudy. Haze. Highs around 66 at the shore and
75 to 80 inland. East winds 5 to 10 mph. Waves calm to 1 foot.
.TUESDAY NIGHT...Partly cloudy. Lows 61 to 66. East winds 5 to
15 mph becoming southeast late. Waves building to 1 to 2 feet.
.WEDNESDAY...Partly cloudy. Highs around 68 at the shore and 78 to
83 inland. Southeast winds 5 to 15 mph. Waves subsiding to calm to
1 foot building to 1 to 2 feet.
.WEDNESDAY NIGHT...A chance of showers and thunderstorms late.
Mostly cloudy. Lows 64 to 69. Chance of precipitation 40 percent.
.THURSDAY...A chance of showers through early afternoon. Partly
sunny. Highs around 69 at the shore and 79 to 84 inland. Chance of
showers 30 percent.
.THURSDAY NIGHT...Mostly cloudy. Lows 64 to 69.
.FRIDAY...Warm. Partly cloudy. Highs around 71 at the shore and
81 to 86 inland.
.FRIDAY NIGHT AND SATURDAY...A chance of showers. Mostly cloudy.
Lows 64 to 69. Highs around 70 at the shore and 79 to 84 inland.
Chance of showers 30 percent.
.SATURDAY NIGHT...Mostly cloudy with a chance of showers. Lows 64 to
69. Chance of showers 40 percent.
.SUNDAY...Partly cloudy. Highs around 70 at the shore and 78 to
83 inland.

&&

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

.TODAY...Partly sunny. Haze early. Highs around 67 at the shore and
74 to 79 inland. Southeast winds up to 10 mph becoming east by mid
afternoon. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Haze late. Lows 60 to 65. East winds 5 to
10 mph. Waves calm to 1 foot.
.TUESDAY...Partly cloudy. Haze. Highs around 67 at the shore and
76 to 81 inland. East winds 5 to 10 mph. Waves calm to 1 foot.
.TUESDAY NIGHT...Partly cloudy. Lows 62 to 67. East winds 5 to
15 mph becoming southeast late. Waves building to 1 to 2 feet.
.WEDNESDAY...Partly cloudy. Highs around 71 at the shore and 79 to
84 inland. Southeast winds 5 to 15 mph. Waves subsiding to calm to
1 foot building to 1 to 2 feet.
.WEDNESDAY NIGHT...A chance of showers through midnight, then a
chance of showers and thunderstorms late. Mostly cloudy. Lows 64 to
69. Chance of precipitation 50 percent.
.THURSDAY AND THURSDAY NIGHT...A chance of showers. Mostly cloudy.
Highs around 71 at the shore and 80 to 85 inland. Lows 65 to 70.
Chance of showers 30 percent.
.FRIDAY...Very warm. Partly cloudy. Highs around 73 at the shore and
82 to 87 inland.
.FRIDAY NIGHT...A chance of showers. Mostly cloudy. Lows 64 to 69.
Chance of showers 40 percent.
.SATURDAY...Warm. A chance of showers by mid afternoon. Partly
sunny. Highs around 72 at the shore and 80 to 85 inland. Chance of
showers 30 percent.
.SATURDAY NIGHT...Warm. Mostly cloudy with a chance of showers. Lows
around 66. Chance of showers 40 percent.
.SUNDAY...Partly cloudy. Highs around 71 at the shore and 78 to
83 inland.

&&


$$