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SXUS43 KMQT 070901
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MIZ001-072000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Sun Sep 7 2025

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

.TODAY...Mostly sunny through mid afternoon then becoming partly
sunny. Highs around 58. Northwest winds 10 to 15 mph becoming west
10 to 20 mph by mid afternoon. Waves 1 to 2 feet subsiding to calm
to 1 foot, then building to 2 to 3 feet.
.TONIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 52. Southwest winds 5 to 15 mph. Waves subsiding
to 1 to 2 feet.
.MONDAY...Partly cloudy through early afternoon then becoming mostly
cloudy. Highs around 62. Southwest winds 10 to 15 mph becoming south
late. Waves building to 2 to 3 feet subsiding to 1 to 2 feet.
.MONDAY NIGHT...Rain showers likely and a slight chance of
thunderstorms through midnight, then a chance of rain showers and a
slight chance of thunderstorms late. Cloudy. Lows around 56. South
winds 10 to 15 mph becoming southwest late. Chance of precipitation
60 percent. Waves building to 2 to 3 feet.
.TUESDAY...Mostly cloudy with a chance of rain showers through early
afternoon, then partly cloudy with a slight chance of rain showers
by mid afternoon. Highs 62 to 67. Southwest winds 5 to 10 mph.
Chance of showers 30 percent. Waves subsiding to 1 to 2 feet.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows around 54.
Highs around 64.
.THURSDAY NIGHT...Mostly cloudy. Lows around 55.
.FRIDAY AND FRIDAY NIGHT...A 30 percent chance of rain showers.
Mostly cloudy. Highs around 66. Lows around 57.
.SATURDAY...Partly cloudy. Highs around 67.

&&

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

.TODAY...Partly cloudy. Highs around 57. Northwest winds 10 to
20 mph becoming west 10 to 15 mph by mid afternoon. Waves 2 to
3 feet subsiding to calm to 1 foot building to 1 to 2 feet.
.TONIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 53. West winds 5 to 15 mph. Waves subsiding to
calm to 1 foot.
.MONDAY...Partly sunny. Highs around 60. Southwest winds 10 to
15 mph becoming south late. Waves building to 2 to 3 feet subsiding
to 1 to 2 feet.
.MONDAY NIGHT...A chance of rain showers and a slight chance of
thunderstorms through midnight, then rain showers likely late.
Cloudy. Lows around 56. South winds 10 to 15 mph becoming southwest
late. Chance of precipitation 60 percent. Waves building to 2 to
3 feet.
.TUESDAY...A chance of rain showers through early afternoon, then a
slight chance of rain showers by mid afternoon. Partly sunny. Highs
61 to 66. Southwest winds 5 to 10 mph. Chance of showers 30 percent.
Waves subsiding to 1 to 2 feet.
.TUESDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 54.
.WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs around 63. Lows
around 53.
.THURSDAY NIGHT...Mostly cloudy. Lows around 55.
.FRIDAY AND FRIDAY NIGHT...A 30 percent chance of rain showers.
Mostly cloudy. Highs around 65. Lows around 57.
.SATURDAY...Partly cloudy. Highs 64 to 69.

&&

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

.TODAY...Partly cloudy. Highs around 58. Northwest winds 10 to
20 mph becoming west 10 to 15 mph by mid afternoon. Waves 2 to
3 feet subsiding to calm to 1 foot building to 1 to 2 feet.
.TONIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 53. West winds 5 to 15 mph. Waves building to
2 to 3 feet subsiding to calm to 1 foot.
.MONDAY...Partly cloudy through early afternoon then becoming mostly
cloudy. Highs around 61. Southwest winds 10 to 15 mph becoming south
late. Waves building to 1 to 2 feet.
.MONDAY NIGHT...A chance of rain showers and a slight chance of
thunderstorms through midnight, then a chance of rain showers late.
Cloudy. Lows around 56. South winds 10 to 15 mph becoming southwest
late. Chance of precipitation 50 percent. Waves 1 to 2 feet.
.TUESDAY...Mostly cloudy with a chance of rain showers through early
afternoon, then partly cloudy with a slight chance of rain showers
by mid afternoon. Highs 61 to 66. Southwest winds 5 to 10 mph.
Chance of showers 30 percent. Waves subsiding to calm to 1 foot.
.TUESDAY NIGHT THROUGH THURSDAY...Partly cloudy. Lows around 54.
Highs around 64.
.THURSDAY NIGHT...Mostly cloudy. Lows around 55.
.FRIDAY AND FRIDAY NIGHT...A 30 percent chance of rain showers.
Mostly cloudy. Highs around 66. Lows around 57.
.SATURDAY...Partly cloudy. Highs around 66.

&&

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

.TODAY...Partly cloudy. Highs around 58. Northwest winds 10 to
15 mph becoming west 10 to 20 mph by mid afternoon. Waves calm to
1 foot building to 2 to 3 feet.
.TONIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 52. West winds 5 to 15 mph. Waves subsiding to
1 to 2 feet.
.MONDAY...Partly sunny. Highs around 61. Southwest winds 10 to
15 mph becoming south late. Waves building to 2 to 3 feet subsiding
to 1 to 2 feet.
.MONDAY NIGHT...Rain showers likely and a slight chance of
thunderstorms. Lows around 56. Southeast winds 10 to 15 mph becoming
southwest late. Chance of precipitation 60 percent. Waves building
to 2 to 3 feet.
.TUESDAY...A chance of rain showers through early afternoon, then a
slight chance of rain showers by mid afternoon. Mostly cloudy. Highs
62 to 67. Southwest winds 5 to 15 mph. Chance of showers 30 percent.
Waves subsiding to 1 to 2 feet.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows around 54. Highs
around 63.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 53. Highs
around 64.
.THURSDAY NIGHT...Mostly cloudy. Lows around 55.
.FRIDAY AND FRIDAY NIGHT...A 30 percent chance of rain showers.
Mostly cloudy. Highs around 66. Lows around 57.
.SATURDAY...Partly cloudy. Highs around 67.

&&


$$