


Recreational Report
Issued by NWS Marquette, MI
Issued by NWS Marquette, MI
288 SXUS43 KMQT 190901 RECMQT MIZ001-192000- Recreational Forecast for Isle Royale National Park National Weather Service Marquette MI 501 AM EDT Tue Aug 19 2025 Isle Royale (SW areas)- Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge, and Windigo- .TODAY...A 20 percent chance of rain showers early. Patchy fog early. Mostly cloudy. Highs around 68. North winds up to 10 mph. Waves calm to 1 foot. .TONIGHT...Mostly cloudy. Patchy fog. Lows around 60. Northeast winds up to 10 mph becoming north late. Waves calm to 1 foot. .WEDNESDAY...Partly cloudy through early afternoon then clearing. Highs around 66 at the shore and 69 to 74 inland. North winds up to 5 mph becoming east by late morning, then becoming south by early afternoon becoming south up to 5 mph late. Waves calm to 1 foot. .WEDNESDAY NIGHT...Partly cloudy. Lows around 58. Southwest winds up to 5 mph. Waves calm to 1 foot. .THURSDAY...Partly cloudy. Highs 68 to 73. South winds up to 10 mph. Waves calm to 1 foot. .THURSDAY NIGHT...A chance of showers late. Mostly cloudy. Lows around 63. Chance of showers 30 percent. .FRIDAY...Partly cloudy with a chance of showers through early afternoon, then sunny by mid afternoon. Highs around 74. Chance of showers 30 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 59. Highs around 66. .SATURDAY NIGHT...Mostly cloudy. Lows around 54. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs around 64. Lows around 54. .MONDAY...Sunny. Highs around 66. && Isle Royale (NE areas)- Including Greenstone Ridge North, Malone Bay, Mount Saginaw, and Rock Harbor- .TODAY...Patchy fog early. A 20 percent chance of rain showers through early afternoon. Mostly cloudy. Highs 63 to 68. South winds 5 to 10 mph becoming northwest by late morning, then becoming north by mid afternoon. Waves 1 to 2 feet. .TONIGHT...Mostly cloudy. Patchy fog through midnight. Lows around 59. North winds 5 to 10 mph. Waves subsiding to calm to 1 foot. .WEDNESDAY...Partly sunny through early afternoon then clearing. Highs 65 to 70. North winds up to 5 mph becoming northeast by late morning, then becoming south by early afternoon becoming south up to 5 mph late. Waves calm to 1 foot. .WEDNESDAY NIGHT...Partly cloudy. Lows around 59. Southwest winds up to 5 mph. Waves calm to 1 foot. .THURSDAY...Partly cloudy. Highs around 67. South winds 5 to 10 mph. Waves calm to 1 foot. .THURSDAY NIGHT...Mostly cloudy. Lows around 63. .FRIDAY...Partly sunny with a chance of showers through early afternoon, then mostly sunny by mid afternoon. Highs around 72. Chance of showers 30 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 59. Highs around 64. .SATURDAY NIGHT...Mostly cloudy. Lows around 55. .SUNDAY...Partly cloudy. Highs around 63. .SUNDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Lows around 54. .MONDAY...Sunny. Highs around 64. && Isle Royale (NW areas)- Including Amygdaloid Island, Lookout Louise, and Minong Mine- .TODAY...Patchy fog early. A 20 percent chance of rain showers through early afternoon. Mostly cloudy. Highs 64 to 69. West winds 5 to 10 mph becoming north by mid afternoon. Waves 1 to 2 feet subsiding to calm to 1 foot. .TONIGHT...Mostly cloudy through midnight then becoming partly cloudy. Patchy fog through midnight. Lows around 59. Northeast winds 5 to 10 mph becoming north late. Waves calm to 1 foot. .WEDNESDAY...Partly cloudy through early afternoon then clearing. Highs 66 to 71. North winds up to 5 mph becoming northeast by late morning, then becoming south by mid afternoon. Waves calm to 1 foot. .WEDNESDAY NIGHT...Partly cloudy. Lows around 58. Southwest winds 5 to 10 mph. Waves calm to 1 foot. .THURSDAY...Partly cloudy. Highs 66 to 71. South winds 5 to 10 mph. Waves calm to 1 foot. .THURSDAY NIGHT...A chance of showers late. Mostly cloudy. Lows around 63. Chance of showers 30 percent. .FRIDAY...Partly cloudy with a chance of showers through early afternoon, then sunny by mid afternoon. Highs around 73. Chance of showers 30 percent. .FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 59. Highs around 65. .SATURDAY NIGHT...Mostly cloudy. Lows around 55. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs around 64. Lows around 54. .MONDAY...Sunny. Highs around 65. && Isle Royale (SE areas)- Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay- .TODAY...A 20 percent chance of rain showers early. Patchy fog early. Mostly cloudy. Highs 65 to 70. North winds up to 10 mph. Waves calm to 1 foot. .TONIGHT...Mostly cloudy. Patchy fog through midnight. Lows around 59. Northeast winds 5 to 10 mph becoming north late. Waves calm to 1 foot. .WEDNESDAY...Partly cloudy through early afternoon then clearing. Highs 67 to 72. North winds up to 5 mph becoming east by late morning, then becoming south by early afternoon becoming south up to 5 mph late. Waves calm to 1 foot. .WEDNESDAY NIGHT...Partly cloudy. Lows around 58. South winds up to 5 mph. Waves calm to 1 foot. .THURSDAY...Partly cloudy. Highs 67 to 72. South winds up to 10 mph. Waves calm to 1 foot. .THURSDAY NIGHT...A chance of showers late. Mostly cloudy. Lows around 63. Chance of showers 30 percent. .FRIDAY...Partly sunny with a chance of showers through early afternoon, then mostly sunny by mid afternoon. Highs 72 to 77. Chance of showers 30 percent. .FRIDAY NIGHT AND SATURDAY...Cooler. Partly cloudy. Lows around 59. Highs around 66. .SATURDAY NIGHT...Mostly cloudy. Lows around 55. .SUNDAY...Partly cloudy. Highs around 64. .SUNDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Lows around 54. .MONDAY...Mostly sunny. Highs around 66. && $$