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SXUS43 KMQT 082101
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MIZ001-090800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Fri Aug 8 2025

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

.TONIGHT...Warm. A slight chance of showers and thunderstorms
through midnight, then a chance of showers and thunderstorms late.
Mostly cloudy. Lows around 67. East winds 5 to 10 mph becoming
southeast by midnight, then becoming south 10 to 20 mph late. Waves
calm to 1 foot building to 2 to 3 feet.
.SATURDAY...A chance of showers and thunderstorms through early
afternoon, then a chance of showers and a slight chance of
thunderstorms by mid afternoon. Mostly cloudy. Highs around 71 at
the shore and 75 to 80 inland. South winds 5 to 15 mph becoming
southwest 10 to 15 mph late. Chance of precipitation 50 percent.
Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Warm. Mostly cloudy with a 20 percent chance of
showers through midnight, then partly cloudy late. Lows around 67.
Southwest winds 10 to 15 mph. Waves building to 2 to 3 feet.
.SUNDAY...Warm. Mostly sunny. Highs around 73 at the shore and 80 to
85 inland. Southwest winds 10 to 20 mph. Waves building to 2 to
4 feet.
.SUNDAY NIGHT...Warm. Partly cloudy. Lows around 66. Southwest winds
5 to 15 mph. Waves subsiding to 1 to 2 feet.
.MONDAY...Warm, sunny. Highs around 72 at the shore and 79 to
84 inland.
.MONDAY NIGHT...Warm. Partly cloudy through midnight then becoming
mostly cloudy. Lows around 66.
.TUESDAY...Warm, sunny. Highs around 73 at the shore and 80 to
85 inland.
.TUESDAY NIGHT...Warm. Partly cloudy. Lows around 66.
.WEDNESDAY...Warm, sunny. Highs around 72 at the shore and 79 to
84 inland.
.WEDNESDAY NIGHT...Warm. Partly cloudy. Lows around 65.
.THURSDAY...Sunny. Highs around 72 at the shore and 79 to 84 inland.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 65. 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-

.TONIGHT...A slight chance of showers and thunderstorms through
midnight, then a chance of showers and thunderstorms late. Mostly
cloudy. Lows around 63. East winds 5 to 15 mph becoming south 10 to
15 mph late. Waves calm to 1 foot building to 2 to 3 feet.
.SATURDAY...A chance of showers and thunderstorms through early
afternoon, then a chance of showers and a slight chance of
thunderstorms by mid afternoon. Mostly cloudy. Highs around 68 at
the shore and 72 to 77 inland. South winds 5 to 15 mph becoming
southwest 10 to 15 mph late. Chance of precipitation 40 percent.
Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Warm. A 20 percent chance of showers through
midnight. Mostly cloudy. Lows around 65. Southwest winds 10 to
15 mph. Waves 1 to 2 feet.
.SUNDAY...Mostly sunny. Highs around 69 at the shore and 77 to
82 inland. Southwest winds 10 to 20 mph. Waves building to 2 to
3 feet.
.SUNDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 62 to 67. Southwest winds 5 to 15 mph becoming west
5 to 10 mph late. Waves subsiding to calm to 1 foot.
.MONDAY...Sunny. Highs around 70 at the shore and 76 to 81 inland.
.MONDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 64.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs around 69 at the
shore and 77 to 82 inland. Lows around 64.
.WEDNESDAY...Sunny. Highs around 68 at the shore and 75 to
80 inland.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 63.
.THURSDAY...Sunny. Highs around 67 at the shore and 75 to 80 inland.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 63. Highs
around 70 at the shore and 75 to 80 inland.

&&

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

.TONIGHT...A slight chance of showers and thunderstorms through
midnight, then a chance of showers and thunderstorms late. Mostly
cloudy. Lows 63 to 68. East winds 5 to 15 mph becoming south 10 to
15 mph late. Waves calm to 1 foot building to 1 to 2 feet.
.SATURDAY...A chance of showers and thunderstorms through early
afternoon, then a chance of showers and a slight chance of
thunderstorms by mid afternoon. Mostly cloudy. Highs around 69 at
the shore and 76 to 81 inland. South winds 5 to 15 mph becoming
southwest 10 to 15 mph by mid afternoon. Chance of precipitation
40 percent. Waves subsiding to calm to 1 foot, then building to 1 to
2 feet.
.SATURDAY NIGHT...Warm. A 20 percent chance of showers through
midnight. Mostly cloudy. Lows 65 to 70. Southwest winds 10 to
15 mph. Waves 1 to 2 feet.
.SUNDAY...Warm, sunny. Highs around 72 at the shore and 80 to
85 inland. Southwest winds 10 to 20 mph. Waves building to 2 to
3 feet.
.SUNDAY NIGHT...Partly cloudy. Lows 63 to 68. Southwest winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.MONDAY...Sunny. Highs around 70 at the shore and 79 to 84 inland.
.MONDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 64 to 69.
.TUESDAY...Warm, sunny. Highs around 71 at the shore and 80 to
85 inland.
.TUESDAY NIGHT...Partly cloudy. Lows 63 to 68.
.WEDNESDAY...Sunny. Highs around 70 at the shore and 79 to
84 inland.
.WEDNESDAY NIGHT...Partly cloudy. Lows 63 to 68.
.THURSDAY...Sunny. Highs around 70 at the shore and 78 to 83 inland.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 64. Highs
around 71 at the shore and 78 to 83 inland.

&&

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

.TONIGHT...A slight chance of showers and thunderstorms through
midnight, then a chance of showers and thunderstorms late. Mostly
cloudy. Lows 62 to 67. East winds 5 to 10 mph becoming southeast by
midnight, then becoming south 10 to 20 mph late. Waves calm to
1 foot building to 2 to 4 feet.
.SATURDAY...A chance of showers and thunderstorms through early
afternoon, then a chance of showers and a slight chance of
thunderstorms by mid afternoon. Mostly cloudy. Highs around 70 at
the shore and 75 to 80 inland. South winds 5 to 15 mph becoming
southwest 10 to 15 mph late. Chance of precipitation 50 percent.
Waves subsiding to 1 to 2 feet.
.SATURDAY NIGHT...A 20 percent chance of showers through midnight.
Mostly cloudy. Lows 64 to 69. Southwest winds 5 to 15 mph. Waves
building to 2 to 3 feet.
.SUNDAY...Mostly sunny. Highs around 71 at the shore and 79 to
84 inland. Southwest winds 10 to 20 mph. Waves 2 to 3 feet.
.SUNDAY NIGHT...Partly cloudy. Lows 63 to 68. Southwest winds 5 to
15 mph. Waves subsiding to 1 to 2 feet.
.MONDAY...Sunny. Highs around 71 at the shore and 79 to 84 inland.
.MONDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 63 to 68.
.TUESDAY AND TUESDAY NIGHT...Partly cloudy. Highs around 71 at the
shore and 80 to 85 inland. Lows around 64.
.WEDNESDAY...Sunny. Highs around 70 at the shore and 79 to
84 inland.
.WEDNESDAY NIGHT...Partly cloudy. Lows around 64.
.THURSDAY...Sunny. Highs around 70 at the shore and 79 to 84 inland.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 64. Highs
around 70 at the shore and 79 to 84 inland.

&&


$$