SXUS43 KMQT 220901 RECMQT MIZ001-222000- Recreational Forecast for Isle Royale National Park National Weather Service Marquette MI 500 AM EDT Sat Aug 22 2026 Isle Royale (SW areas)- Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge, and Windigo- .TODAY...Sunny. Highs around 67 at the shore and 71 to 76 inland. Northwest winds 5 to 15 mph. Waves 1 to 2 feet subsiding to calm to 1 foot. .TONIGHT...Partly cloudy. Lows 52 to 57. North winds 5 to 15 mph. Waves building to 2 to 3 feet. .SUNDAY...Sunny. Highs around 64 at the shore and 67 to 72 inland. North winds 5 to 15 mph becoming west 5 to 10 mph late. Waves subsiding to calm to 1 foot. .SUNDAY NIGHT...Mostly clear. Lows 53 to 58. West winds 5 to 10 mph becoming northwest late. Waves calm to 1 foot. .MONDAY...Sunny. Highs around 64 at the shore and 67 to 72 inland. North winds 5 to 10 mph becoming northwest by late morning, then becoming southwest by mid afternoon. Waves calm to 1 foot. .MONDAY NIGHT...Mostly cloudy. Lows around 57. .TUESDAY...A chance of rain showers by mid afternoon. Partly sunny. Highs around 66 at the shore and 68 to 73 inland. Chance of showers 40 percent. .TUESDAY NIGHT...Rain showers likely and a chance of thunderstorms through midnight, then a chance of rain showers and thunderstorms late. Mostly cloudy. Lows around 59. Chance of precipitation 70 percent. .WEDNESDAY...Partly sunny with a chance of rain showers. Highs around 67 at the shore and 70 to 75 inland. Chance of showers 40 percent. .WEDNESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows around 58. Highs around 66 at the shore and 71 to 76 inland. && Isle Royale (NE areas)- Including Greenstone Ridge North, Malone Bay, Mount Saginaw, and Rock Harbor- .TODAY...Sunny. Highs around 64 at the shore and 67 to 72 inland. Northwest winds 5 to 15 mph. Waves 1 to 2 feet subsiding to calm to 1 foot. .TONIGHT...Partly cloudy. Lows around 53. North winds 5 to 15 mph. Waves building to 2 to 3 feet. .SUNDAY...Sunny. Highs around 62 at the shore and 64 to 69 inland. North winds 5 to 15 mph becoming northwest 5 to 10 mph late. Waves subsiding to calm to 1 foot. .SUNDAY NIGHT...Mostly clear. Lows around 54. West winds 5 to 10 mph becoming northwest late. Waves calm to 1 foot. .MONDAY...Sunny. Highs 62 to 67. Northwest winds up to 10 mph becoming southwest by mid afternoon. Waves calm to 1 foot. .MONDAY NIGHT...Mostly cloudy. Lows around 57. .TUESDAY...A chance of rain showers by mid afternoon. Partly sunny. Highs 62 to 67. Chance of showers 30 percent. .TUESDAY NIGHT...Rain showers likely and a chance of thunderstorms. Lows around 58. Chance of precipitation 70 percent. .WEDNESDAY...Partly sunny with a chance of rain showers. Highs around 62 at the shore and 66 to 71 inland. Chance of showers 50 percent. .WEDNESDAY NIGHT...Mostly cloudy. Lows around 58. .THURSDAY THROUGH FRIDAY...Partly cloudy. Highs around 63 at the shore and 67 to 72 inland. Lows around 57. && Isle Royale (NW areas)- Including Amygdaloid Island, Lookout Louise, and Minong Mine- .TODAY...Sunny. Highs around 66 at the shore and 70 to 75 inland. Northwest winds 5 to 15 mph. Waves 1 to 2 feet subsiding to calm to 1 foot. .TONIGHT...Partly cloudy. Lows 52 to 57. North winds 5 to 15 mph. Waves building to 2 to 3 feet. .SUNDAY...Sunny. Highs around 64 at the shore and 67 to 72 inland. North winds 5 to 15 mph becoming northwest 5 to 10 mph late. Waves subsiding to calm to 1 foot. .SUNDAY NIGHT...Mostly clear. Lows around 55. West winds 5 to 10 mph becoming northwest late. Waves calm to 1 foot. .MONDAY...Sunny. Highs around 64 at the shore and 67 to 72 inland. North winds 5 to 10 mph becoming southwest by mid afternoon. Waves calm to 1 foot. .MONDAY NIGHT...Mostly cloudy. Lows around 58. .TUESDAY...A chance of rain showers by midafternoon. Partly sunny. Highs around 64 at the shore and 67 to 72 inland. Chance of showers 30 percent. .TUESDAY NIGHT...Rain showers likely and a chance of thunderstorms through midnight, then a chance of rain showers and thunderstorms late. Mostly cloudy. Lows around 59. Chance of precipitation 70 percent. .WEDNESDAY...Partly sunny with a chance of rain showers. Highs around 66 at the shore and 69 to 74 inland. Chance of showers 50 percent. .WEDNESDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Lows around 59. .THURSDAY THROUGH FRIDAY...Partly cloudy. Highs around 64 at the shore and 70 to 75 inland. Lows around 57. && Isle Royale (SE areas)- Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay- .TODAY...Sunny. Highs around 65 at the shore and 69 to 74 inland. Northwest winds 5 to 15 mph. Waves calm to 1 foot. .TONIGHT...Partly cloudy. Lows around 53. North winds 5 to 15 mph. Waves calm to 1 foot. .SUNDAY...Sunny. Highs around 61 at the shore and 65 to 70 inland. North winds 5 to 15 mph becoming west 5 to 10 mph late. Waves calm to 1 foot. .SUNDAY NIGHT...Mostly clear. Lows around 54. West winds up to 10 mph becoming northwest late. Waves calm to 1 foot. .MONDAY...Sunny. Highs around 62 at the shore and 66 to 71 inland. North winds up to 5 mph becoming northwest by late morning, then becoming southwest by mid afternoon. Waves calm to 1 foot. .MONDAY NIGHT...Mostly cloudy. Lows around 56. .TUESDAY...A chance of rain showers by mid afternoon. Partly sunny. Highs around 63 at the shore and 67 to 72 inland. Chance of showers 40 percent. .TUESDAY NIGHT...Rain showers likely and a chance of thunderstorms through midnight, then a chance of rain showers and thunderstorms late. Mostly cloudy. Lows around 59. Chance of precipitation 70 percent. .WEDNESDAY...Partly sunny with a chance of rain showers. Highs around 63 at the shore and 68 to 73 inland. Chance of showers 40 percent. .WEDNESDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Lows around 58. .THURSDAY THROUGH FRIDAY...Partly cloudy. Highs around 63 at the shore and 69 to 74 inland. Lows around 57. && $$