Recreational Report
Issued by NWS Marquette, MI

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SXUS43 KMQT 042101
RECMQT

MIZ001-050800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Sat Oct 4 2025

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

.TONIGHT...Partly cloudy. Lows around 63. South winds 10 to 20 mph.
Waves 2 to 3 feet building to 2 to 4 feet.
.SUNDAY...Breezy. Sunny through early afternoon, then partly cloudy
with a 40 percent chance of showers by mid afternoon. Highs around
67 at the shore and 71 to 76 inland. South winds 15 to 25 mph. Waves
building to 4 to 7 feet.
.SUNDAY NIGHT...Breezy. A 20 percent chance of rain showers through
midnight. Partly cloudy. Lows around 50. Southwest winds 15 to
25 mph becoming west 10 to 20 mph late. Waves building to 5 to
8 feet subsiding to 2 to 3 feet.
.MONDAY...Cooler. Mostly sunny. Highs 57 to 62. Northwest winds
10 to 15 mph becoming southwest 5 to 15 mph by mid afternoon. Waves
subsiding to 1 to 2 feet building to 2 to 3 feet.
.MONDAY NIGHT...Mostly clear. Lows around 48. West winds 10 to
20 mph. Waves 2 to 3 feet.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 56 to 61. Lows
around 45.
.WEDNESDAY...Sunny. Highs 55 to 60.
.WEDNESDAY NIGHT...Mostly clear. Lows around 49.
.THURSDAY...Sunny through early afternoon then becoming partly
cloudy. Highs around 57 at the shore and 61 to 66 inland.
.THURSDAY NIGHT...Mostly cloudy. Lows around 52.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 59 at the
shore and 61 to 66 inland. Lows around 49.
.SATURDAY...Sunny. Highs around 55 at the shore and 59 to 64 inland.

&&

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

.TONIGHT...Partly cloudy. Lows 59 to 64. South winds 5 to 15 mph
becoming southwest 15 to 20 mph late. Waves 2 to 4 feet building to
3 to 5 feet.
.SUNDAY...Breezy. A 30 percent chance of showers by mid afternoon.
Sunny. Highs around 65 at the shore and 69 to 74 inland. South winds
15 to 25 mph. Waves building to 4 to 7 feet.
.SUNDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of
rain showers through midnight, then partly cloudy late. Lows around
49. Southwest winds 15 to 25 mph becoming northwest 10 to 20 mph
late. Waves subsiding to 2 to 4 feet.
.MONDAY...Cooler. Mostly sunny. Highs 54 to 59. Northwest winds
10 to 15 mph becoming southwest late. Waves subsiding to calm to
1 foot building to 1 to 2 feet.
.MONDAY NIGHT...Partly cloudy. Lows around 48. West winds 10 to
20 mph. Waves building to 2 to 3 feet.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 53 to 58. Lows
around 45.
.WEDNESDAY...Sunny. Highs 53 to 58.
.WEDNESDAY NIGHT...Mostly clear. Lows around 48.
.THURSDAY...Sunny through early afternoon then becoming partly
cloudy. Highs 57 to 62.
.THURSDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 51. Chance of showers 30 percent.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 57 to 62. Lows
around 49.
.SATURDAY...Sunny. Highs 55 to 60.

&&

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

.TONIGHT...Partly cloudy. Lows 61 to 66. South winds 10 to 20 mph.
Waves 2 to 3 feet.
.SUNDAY...Breezy. A 30 percent chance of showers by mid afternoon.
Sunny. Highs around 66 at the shore and 72 to 77 inland. South winds
15 to 25 mph. Waves building to 3 to 5 feet.
.SUNDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of
rain showers through midnight, then partly cloudy late. Lows around
49. Southwest winds 15 to 25 mph becoming northwest 10 to 20 mph
late. Waves building to 3 to 6 feet.
.MONDAY...Cooler. Mostly sunny. Highs around 56 at the shore and
58 to 63 inland. Northwest winds 10 to 15 mph becoming west by mid
afternoon. Waves subsiding to calm to 1 foot building to 1 to
2 feet.
.MONDAY NIGHT...Partly cloudy. Lows around 48. West winds 10 to
20 mph. Waves building to 2 to 3 feet.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs around 54 at the
shore and 57 to 62 inland. Lows around 45.
.WEDNESDAY...Sunny. Highs around 54 at the shore and 57 to
62 inland.
.WEDNESDAY NIGHT...Mostly clear. Lows around 49.
.THURSDAY...Sunny through early afternoon then becoming partly
cloudy. Highs around 58 at the shore and 61 to 66 inland.
.THURSDAY NIGHT...Mostly cloudy. Lows around 52.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 58 at the
shore and 61 to 66 inland. Lows around 48.
.SATURDAY...Sunny. Highs around 56 at the shore and 59 to 64 inland.

&&

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

.TONIGHT...Partly cloudy. Lows around 62. South winds 10 to 20 mph.
Waves 2 to 4 feet.
.SUNDAY...Breezy. Sunny through early afternoon, then partly cloudy
with a 40 percent chance of showers by mid afternoon. Highs around
66 at the shore and 70 to 75 inland. South winds 15 to 25 mph. Waves
building to 5 to 8 feet.
.SUNDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of
rain showers through midnight, then partly cloudy late. Lows around
49. Southwest winds 15 to 25 mph becoming west 10 to 20 mph late.
Waves subsiding to 2 to 3 feet.
.MONDAY...Cooler. Mostly sunny. Highs 56 to 61. Northwest winds
10 to 15 mph becoming west 5 to 15 mph by mid afternoon. Waves
subsiding to calm to 1 foot building to 2 to 3 feet.
.MONDAY NIGHT...Partly cloudy. Lows around 48. West winds 10 to
20 mph. Waves 2 to 3 feet.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs 54 to 59. Lows
around 45.
.WEDNESDAY...Sunny. Highs around 54 at the shore and 56 to
61 inland.
.WEDNESDAY NIGHT...Mostly clear. Lows around 49.
.THURSDAY...Sunny through early afternoon then becoming partly
cloudy. Highs around 58 at the shore and 60 to 65 inland.
.THURSDAY NIGHT...Mostly cloudy. Lows around 51.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 58 to 63. Lows
around 48.
.SATURDAY...Sunny. Highs 56 to 61.

&&


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