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SXUS43 KMQT 292103
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MIZ001-300800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
502 PM EDT Tue Sep 29 2026

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

.TONIGHT...Rain showers likely early in the evening, then a chance
of rain showers by midnight. Mostly cloudy. Lows around 55.
Southwest winds 10 to 20 mph. Waves 2 to 3 feet building to 2 to
4 feet.
.WEDNESDAY...Partly sunny. Highs around 60 at the shore and 64 to
69 inland. Southwest winds 10 to 20 mph. Waves 2 to 3 feet.
.WEDNESDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 52. Southwest winds 5 to 15 mph becoming
northwest late. Waves subsiding to 1 to 2 feet.
.THURSDAY...Partly cloudy. Highs around 60. West winds 10 to 15 mph.
Waves building to 2 to 3 feet.
.THURSDAY NIGHT...Partly cloudy. Lows 43 to 48. Northwest winds 5 to
15 mph. Waves subsiding to 1 to 2 feet.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs around 55. Lows
around 47.
.SATURDAY...Partly sunny. Highs around 57.
.SATURDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 46. Chance of showers 50 percent.
.SUNDAY...Partly cloudy. Highs 54 to 59.
.SUNDAY NIGHT AND MONDAY...Mostly clear. Lows around 43. Highs 53 to
58.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 46. Highs
around 57.

&&

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

.TONIGHT...Rain showers likely early in the evening, then a chance
of rain showers by midnight. Mostly cloudy. Lows around 54.
Southwest winds 10 to 15 mph. Waves 2 to 3 feet.
.WEDNESDAY...Partly sunny through early afternoon then clearing.
Highs around 60 at the shore and 62 to 67 inland. Southwest winds
10 to 15 mph. Waves subsiding to 1 to 2 feet.
.WEDNESDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 53. Southwest winds 5 to 15 mph becoming
northwest 10 to 15 mph late. Waves subsiding to calm to 1 foot, then
building to 1 to 2 feet.
.THURSDAY...Partly cloudy. Highs around 59. West winds 10 to 15 mph.
Waves 1 to 2 feet.
.THURSDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows around 46. Northwest winds 5 to 15 mph. Waves
1 to 2 feet.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs around 55. Lows
around 48.
.SATURDAY...Partly sunny. Highs 53 to 58.
.SATURDAY NIGHT...Rain showers likely through midnight, then a
chance of rain showers late. Mostly cloudy. Lows around 47. Chance
of showers 60 percent.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 52 to 57. Lows
around 43.
.MONDAY...Sunny. Highs around 50 at the shore and 52 to 57 inland.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 46. Highs
54 to 59.

&&

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

.TONIGHT...Rain showers likely early in the evening, then a chance
of rain showers by midnight. Mostly cloudy. Lows around 55.
Southwest winds 10 to 20 mph. Waves 1 to 2 feet building to 2 to
3 feet subsiding to 1 to 2 feet.
.WEDNESDAY...Partly cloudy through early afternoon then clearing.
Highs around 62 at the shore and 65 to 70 inland. Southwest winds
10 to 15 mph. Waves building to 2 to 3 feet, then subsiding to 1 to
2 feet.
.WEDNESDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 53. Southwest winds 5 to 15 mph becoming
northwest 10 to 15 mph late. Waves subsiding to calm to 1 foot, then
building to 1 to 2 feet.
.THURSDAY...Partly cloudy. Highs around 59. West winds 10 to 15 mph.
Waves 1 to 2 feet.
.THURSDAY NIGHT...Partly cloudy. Lows around 45. Northwest winds
10 to 15 mph. Waves building to 2 to 3 feet.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs around 55. Lows
around 47.
.SATURDAY...Partly sunny. Highs 54 to 59.
.SATURDAY NIGHT...Rain showers likely through midnight, then a
chance of rain showers late. Mostly cloudy. Lows around 46. Chance
of showers 60 percent.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 53 to 58. Lows
around 43.
.MONDAY...Sunny. Highs 52 to 57.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 46. Highs
55 to 60.

&&

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

.TONIGHT...Rain showers likely early in the evening, then a chance
of rain showers by midnight. Mostly cloudy. Lows around 54.
Southwest winds 10 to 20 mph. Waves 2 to 3 feet building to 2 to
4 feet.
.WEDNESDAY...Mostly cloudy through early afternoon then becoming
partly cloudy. Highs around 60 at the shore and 63 to 68 inland.
Southwest winds 10 to 20 mph. Waves 2 to 3 feet.
.WEDNESDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 52. Southwest winds 5 to 15 mph becoming
northwest late. Waves subsiding to 1 to 2 feet.
.THURSDAY...Partly cloudy. Highs around 59. West winds 5 to 15 mph
becoming 10 to 15 mph by mid afternoon. Waves subsiding to calm to
1 foot building to 1 to 2 feet.
.THURSDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows around 45. Northwest winds 5 to 15 mph. Waves
subsiding to calm to 1 foot.
.FRIDAY AND FRIDAY NIGHT...Mostly clear. Highs around 55. Lows
around 47.
.SATURDAY...Partly sunny. Highs 53 to 58.
.SATURDAY NIGHT...Rain showers likely through midnight. Mostly
cloudy. Lows around 46. Chance of showers 60 percent.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 53 to 58. Lows
around 43.
.MONDAY...Sunny. Highs around 51 at the shore and 53 to 58 inland.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 46. Highs
54 to 59.

&&


$$