


Recreational Report
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
137 SXUS43 KMQT 130901 RECMQT MIZ001-132000- Recreational Forecast for Isle Royale National Park National Weather Service Marquette MI 501 AM EDT Wed Aug 13 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 64 to 69. North winds 5 to 15 mph decreasing to up to 5 mph by early afternoon, then becoming east late. Waves 1 to 2 feet subsiding to calm to 1 foot. .TONIGHT...Partly cloudy. Lows around 56. East winds 5 to 10 mph. Waves calm to 1 foot. .THURSDAY...Sunny through early afternoon then becoming partly cloudy. Highs around 66. Southeast winds 5 to 15 mph. Waves building to 1 to 2 feet. .THURSDAY NIGHT...A chance of showers and a slight chance of thunderstorms late. Mostly cloudy. Lows around 64. Southeast winds 10 to 15 mph becoming south 10 to 20 mph late. Chance of precipitation 30 percent. Waves building to 2 to 4 feet. .FRIDAY...Warmer. A slight chance of showers through early afternoon, then a slight chance of showers and thunderstorms by mid afternoon. Partly cloudy. Highs around 70 at the shore and 74 to 79 inland. Southwest winds 10 to 20 mph. Chance of precipitation 20 percent. Waves 2 to 4 feet. .FRIDAY NIGHT...A chance of showers and thunderstorms through midnight, then a chance of showers late. Mostly cloudy. Lows around 64. Chance of precipitation 40 percent. .SATURDAY...Partly cloudy with a 40 percent chance of showers through early afternoon, then sunny by mid afternoon. Highs 70 to 75. .SATURDAY NIGHT AND SUNDAY...Cooler. Partly cloudy. Lows around 59. Highs around 64. .SUNDAY NIGHT...Mostly cloudy. Lows 57 to 62. .MONDAY...Partly cloudy. Highs around 66. .MONDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Lows 59 to 64. .TUESDAY...Partly cloudy. Highs around 68. && Isle Royale (NE areas)- Including Greenstone Ridge North, Malone Bay, Mount Saginaw, and Rock Harbor- .TODAY...Mostly sunny. Highs 61 to 66. North winds 5 to 15 mph becoming northeast 5 to 10 mph by mid afternoon. Waves calm to 1 foot. .TONIGHT...Partly cloudy. Lows around 56. Northeast winds 5 to 10 mph becoming east late. Waves calm to 1 foot. .THURSDAY...Sunny through early afternoon then becoming partly cloudy. Highs around 63. Southeast winds 5 to 15 mph. Waves building to 2 to 3 feet. .THURSDAY NIGHT...A 20 percent chance of showers late. Mostly cloudy. Lows around 62. Southeast winds 10 to 20 mph becoming south late. Waves building to 2 to 4 feet. .FRIDAY...Warmer. A slight chance of showers through early afternoon, then a slight chance of showers and thunderstorms by mid afternoon. Partly cloudy. Highs 70 to 75. Southwest winds 10 to 20 mph. Chance of precipitation 20 percent. Waves 2 to 4 feet. .FRIDAY NIGHT...A chance of showers and thunderstorms through midnight, then a chance of showers late. Mostly cloudy. Lows around 63. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy with a 30 percent chance of showers through early afternoon, then sunny by mid afternoon. Highs 67 to 72. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 58. Highs around 62. .SUNDAY NIGHT...Mostly cloudy. Lows around 58. .MONDAY...Partly cloudy. Highs around 64. .MONDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Lows 57 to 62. .TUESDAY...Partly cloudy. Highs around 66. && Isle Royale (NW areas)- Including Amygdaloid Island, Lookout Louise, and Minong Mine- .TODAY...Mostly sunny. Highs 63 to 68. North winds 5 to 15 mph becoming northeast 5 to 10 mph by mid afternoon. Waves 1 to 2 feet subsiding to calm to 1 foot. .TONIGHT...Partly cloudy. Lows around 56. Northeast winds 5 to 10 mph becoming east late. Waves calm to 1 foot. .THURSDAY...Sunny through early afternoon then becoming partly cloudy. Highs around 64. Southeast winds 5 to 15 mph. Waves building to 1 to 2 feet. .THURSDAY NIGHT...A 20 percent chance of showers late. Mostly cloudy. Lows 60 to 65. Southeast winds 10 to 20 mph becoming south 10 to 15 mph late. Waves building to 2 to 3 feet. .FRIDAY...Warmer. A slight chance of showers through early afternoon, then a slight chance of showers and thunderstorms by mid afternoon. Partly cloudy. Highs around 69 at the shore and 73 to 78 inland. Southwest winds 10 to 20 mph. Chance of precipitation 20 percent. Waves subsiding to 1 to 2 feet. .FRIDAY NIGHT...A chance of showers and thunderstorms through midnight, then a chance of showers late. Mostly cloudy. Lows 61 to 66. Chance of precipitation 30 percent. .SATURDAY...Partly cloudy with a 30 percent chance of showers through early afternoon, then sunny by mid afternoon. Highs 68 to 73. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 58. Highs around 63. .SUNDAY NIGHT...Mostly cloudy. Lows 57 to 62. .MONDAY THROUGH TUESDAY...Partly cloudy. Highs around 66. Lows 58 to 63. && Isle Royale (SE areas)- Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay- .TODAY...Partly cloudy. Highs 64 to 69. North winds 5 to 10 mph becoming southeast late. Waves calm to 1 foot. .TONIGHT...Partly cloudy. Lows around 56. East winds 5 to 10 mph becoming northeast by midnight. Waves calm to 1 foot. .THURSDAY...Mostly sunny. Highs 63 to 68. East winds 5 to 10 mph becoming southeast 5 to 15 mph by late morning. Waves building to 2 to 3 feet. .THURSDAY NIGHT...A 20 percent chance of showers late. Mostly cloudy. Lows around 63. Southeast winds 10 to 20 mph becoming south late. Waves building to 2 to 4 feet. .FRIDAY...Warmer. A slight chance of showers through early afternoon, then a slight chance of showers and thunderstorms by mid afternoon. Partly cloudy. Highs 72 to 77. Southwest winds 10 to 20 mph. Chance of precipitation 20 percent. Waves 2 to 4 feet. .FRIDAY NIGHT...A chance of showers and thunderstorms through midnight, then a chance of showers late. Mostly cloudy. Lows around 64. Chance of precipitation 40 percent. .SATURDAY...Partly sunny with a 40 percent chance of showers through early afternoon, then sunny by mid afternoon. Highs 69 to 74. .SATURDAY NIGHT AND SUNDAY...Cooler. Partly cloudy. Lows around 58. Highs around 63. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Mostly cloudy. Lows 58 to 63. Highs around 66. .TUESDAY...Partly cloudy. Highs around 67. && $$