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SXUS43 KMQT 242101
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MIZ001-250800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Sun Aug 24 2025

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

.TONIGHT...Breezy. Mostly cloudy through midnight then becoming
partly cloudy. Lows around 52. North winds 15 to 25 mph. Waves 2 to
3 feet building to 2 to 4 feet.
.MONDAY...Breezy, sunny. Highs around 64. Northwest winds 5 to
15 mph. Waves subsiding to calm to 1 foot.
.MONDAY NIGHT...Mostly clear. Lows around 53. North winds 5 to
15 mph. Waves building to 1 to 2 feet.
.TUESDAY...Sunny. Highs around 67. Northwest winds 5 to 15 mph
becoming southwest by mid afternoon. Waves subsiding to calm to
1 foot building to 1 to 2 feet.
.TUESDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 60. Southwest winds 10 to 20 mph. Waves building
to 2 to 3 feet.
.WEDNESDAY...A chance of showers by mid afternoon. Mostly cloudy.
Highs around 67. Chance of showers 40 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 53.
.THURSDAY...Partly cloudy through early afternoon then clearing.
Highs around 61.
.THURSDAY NIGHT...Mostly clear. Lows around 53.
.FRIDAY...Mostly sunny. Highs around 65.
.FRIDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 57.
.SATURDAY THROUGH SUNDAY...Partly cloudy. Highs around 67. Lows
around 55.

&&

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

.TONIGHT...Breezy. Mostly cloudy through midnight then becoming
partly cloudy. Lows around 53. Northwest winds 15 to 25 mph. Waves
1 to 2 feet building to 2 to 4 feet.
.MONDAY...Breezy, sunny. Highs around 63. North winds 15 to 25 mph
becoming northwest 5 to 15 mph by mid afternoon. Waves subsiding to
calm to 1 foot.
.MONDAY NIGHT...Mostly clear. Lows around 54. North winds 5 to
15 mph. Waves building to 1 to 2 feet, then subsiding to calm to
1 foot.
.TUESDAY...Sunny. Highs around 65. Northwest winds 5 to 15 mph
becoming southwest 10 to 15 mph late. Waves calm to 1 foot.
.TUESDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 60. Southwest winds 10 to 15 mph. Waves building
to 1 to 2 feet.
.WEDNESDAY...A chance of showers by mid afternoon. Mostly cloudy.
Highs around 65. Chance of showers 40 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 53.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 59. Lows
around 55.
.FRIDAY...Mostly sunny. Highs around 63.
.FRIDAY NIGHT...Mostly cloudy. Lows around 58.
.SATURDAY...Partly cloudy. Highs around 66.
.SATURDAY NIGHT...Mostly cloudy. Lows around 56.
.SUNDAY...Mostly sunny. Highs around 65.

&&

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

.TONIGHT...Breezy. Mostly cloudy through midnight then becoming
partly cloudy. Lows around 52. Northwest winds 15 to 25 mph. Waves
2 to 3 feet building to 2 to 4 feet.
.MONDAY...Breezy, warmer, sunny. Highs 62 to 67. North winds 15 to
25 mph becoming northwest 5 to 15 mph by mid afternoon. Waves
subsiding to calm to 1 foot.
.MONDAY NIGHT...Mostly clear. Lows around 54. North winds 5 to
15 mph. Waves building to 1 to 2 feet.
.TUESDAY...Sunny. Highs around 66. Northwest winds 5 to 15 mph
becoming southwest by mid afternoon. Waves subsiding to calm to
1 foot building to 1 to 2 feet.
.TUESDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 60. Southwest winds 10 to 15 mph. Waves 1 to
2 feet.
.WEDNESDAY...A chance of showers by mid afternoon. Mostly cloudy.
Highs around 66. Chance of showers 40 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 53.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 60. Lows
around 54.
.FRIDAY...Mostly sunny. Highs around 64.
.FRIDAY NIGHT...Mostly cloudy. Lows around 57.
.SATURDAY...Partly cloudy. Highs around 66.
.SATURDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 56.
.SUNDAY...Mostly sunny. Highs around 66.

&&

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

.TONIGHT...Mostly cloudy. Lows around 52. Northwest winds 10 to
20 mph. Waves calm to 1 foot building to 1 to 2 feet.
.MONDAY...Sunny. Highs around 64. Northwest winds 5 to 15 mph. Waves
subsiding to calm to 1 foot.
.MONDAY NIGHT...Mostly clear. Lows around 54. North winds 5 to
15 mph. Waves calm to 1 foot.
.TUESDAY...Sunny. Highs around 67. Northwest winds 5 to 10 mph
becoming southwest 5 to 15 mph by mid afternoon. Waves building to
1 to 2 feet.
.TUESDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 60. Southwest winds 10 to 20 mph. Waves building
to 2 to 3 feet.
.WEDNESDAY...A chance of showers by mid afternoon. Mostly cloudy.
Highs 65 to 70. Chance of showers 40 percent.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 54.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 60. Lows
around 54.
.FRIDAY...Mostly sunny. Highs around 64.
.FRIDAY NIGHT THROUGH SATURDAY NIGHT...Mostly cloudy. Lows around
57. Highs around 66.
.SUNDAY...Mostly sunny. Highs around 66.

&&


$$