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SXUS43 KMQT 062101
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MIZ001-070800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Mon Oct 6 2025

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

.TONIGHT...Mostly clear. Lows around 48. Southwest winds 10 to
15 mph becoming west 10 to 20 mph by midnight. Waves 2 to 3 feet
building to 2 to 4 feet.
.TUESDAY...Breezy, sunny. Highs around 51. West winds 10 to 20 mph
becoming northwest by late morning. Waves building to 3 to 5 feet,
then subsiding to 1 to 2 feet.
.TUESDAY NIGHT...Mostly clear. Lows 39 to 44. Northwest winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.WEDNESDAY...Warmer, sunny. Highs 55 to 60. Northwest winds up to
5 mph becoming southwest by mid afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows around 49. South winds 5 to
15 mph. Waves building to 2 to 3 feet.
.THURSDAY...Sunny. Highs around 58 at the shore and 62 to 67 inland.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows around 53.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 58 at the
shore and 61 to 66 inland. Lows around 51.
.SATURDAY...Sunny. Highs around 58 at the shore and 62 to 67 inland.
.SATURDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 54.
.SUNDAY...Partly cloudy with a 40 percent chance of rain showers.
Highs around 60 at the shore and 63 to 68 inland.
.SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 53.
.COLUMBUS DAY...Partly cloudy with a 40 percent chance of rain
showers. Highs 59 to 64.

&&

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

.TONIGHT...Mostly cloudy early in the evening then clearing. Lows
around 47. Southwest winds 10 to 15 mph becoming west 10 to 20 mph
late. Waves 1 to 2 feet building to 2 to 3 feet.
.TUESDAY...Breezy, sunny. Highs around 51. West winds 10 to 20 mph
becoming northwest by late morning. Waves building to 3 to 5 feet
subsiding to 1 to 2 feet.
.TUESDAY NIGHT...Mostly clear. Lows 41 to 46. Northwest winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.WEDNESDAY...Sunny. Highs 52 to 57. Northwest winds up to 5 mph
becoming southwest by mid afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows around 49. South winds 5 to
15 mph. Waves building to 2 to 3 feet.
.THURSDAY...Warmer, sunny. Highs 58 to 63.
.THURSDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
around 52. Chance of showers 30 percent.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Highs 57 to 62. Lows
around 51.
.SATURDAY NIGHT...Partly cloudy. Lows around 54.
.SUNDAY...Partly sunny with a 40 percent chance of rain showers.
Highs 58 to 63.
.SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 52.
.COLUMBUS DAY...Partly sunny with a 40 percent chance of rain
showers. Highs 56 to 61.

&&

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

.TONIGHT...Partly cloudy. Lows around 47. Southwest winds 10 to
15 mph becoming west 10 to 20 mph by midnight. Waves 1 to 2 feet
building to 2 to 4 feet.
.TUESDAY...Breezy, sunny. Highs around 51. West winds 10 to 20 mph
becoming northwest by late morning. Waves building to 3 to 5 feet
subsiding to 1 to 2 feet.
.TUESDAY NIGHT...Mostly clear. Lows 40 to 45. Northwest winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.WEDNESDAY...Sunny. Highs around 54 at the shore and 57 to
62 inland. Northwest winds up to 5 mph becoming southwest by mid
afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows around 49. South winds 5 to
15 mph. Waves building to 1 to 2 feet.
.THURSDAY...Warmer, sunny. Highs around 59 at the shore and 62 to
67 inland.
.THURSDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
around 53. Chance of showers 30 percent.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 58 at the
shore and 61 to 66 inland. Lows around 51.
.SATURDAY...Sunny. Highs around 59 at the shore and 62 to 67 inland.
.SATURDAY NIGHT...Partly cloudy. Lows around 54.
.SUNDAY...Partly cloudy with a 40 percent chance of rain showers.
Highs around 60 at the shore and 62 to 67 inland.
.SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 52.
.COLUMBUS DAY...Partly sunny with a 40 percent chance of rain
showers. Highs around 57 at the shore and 60 to 65 inland.

&&

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

.TONIGHT...Partly cloudy. Lows around 47. Southwest winds 10 to
15 mph becoming west 10 to 20 mph by midnight. Waves 2 to 3 feet.
.TUESDAY...Breezy, sunny. Highs around 51. West winds 10 to 20 mph
becoming northwest by late morning. Waves building to 2 to 4 feet
subsiding to calm to 1 foot.
.TUESDAY NIGHT...Mostly clear. Lows 40 to 45. Northwest winds 5 to
15 mph decreasing to up to 5 mph late. Waves calm to 1 foot.
.WEDNESDAY...Sunny. Highs around 52 at the shore and 55 to
60 inland. Northwest winds up to 5 mph becoming southwest by mid
afternoon. Waves calm to 1 foot.
.WEDNESDAY NIGHT...Mostly clear. Lows around 48. South winds 5 to
15 mph. Waves building to 2 to 3 feet.
.THURSDAY...Sunny. Highs 59 to 64.
.THURSDAY NIGHT...Mostly cloudy with a 30 percent chance of rain
showers. Lows around 52.
.FRIDAY THROUGH SATURDAY NIGHT...Partly cloudy. Highs around 58 at
the shore and 61 to 66 inland. Lows around 52.
.SUNDAY...Partly cloudy with a 40 percent chance of rain showers.
Highs 60 to 65.
.SUNDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 52.
.COLUMBUS DAY...Partly sunny with a 40 percent chance of rain
showers. Highs around 57 at the shore and 59 to 64 inland.

&&


$$