Expires:No;;651952 SXUS43 KMQT 050902 RECMQT MIZ001-052000- Recreational Forecast for Isle Royale National Park National Weather Service Marquette MI 502 AM EDT Wed Aug 5 2026 Isle Royale (SW areas)- Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge, and Windigo- .TODAY...Sunny. Highs around 65 at the shore and 73 to 78 inland. Southwest winds 5 to 15 mph becoming 10 to 15 mph by mid afternoon. Waves calm to 1 foot building to 1 to 2 feet. .TONIGHT...Mostly clear. Lows 59 to 64 inland and around 55 at the shore. South winds 5 to 15 mph. Waves subsiding to calm to 1 foot building to 1 to 2 feet. .THURSDAY...Sunny. Highs around 69 at the shore and 77 to 82 inland. Southwest winds 10 to 20 mph. Waves building to 2 to 4 feet. .THURSDAY NIGHT...Breezy. Partly cloudy. Lows 61 to 66 inland and around 57 at the shore. Southwest winds 10 to 20 mph. Waves building to 3 to 5 feet. .FRIDAY...Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs around 68 at the shore and 76 to 81 inland. Southwest winds 5 to 15 mph. Chance of precipitation 40 percent. Waves subsiding to 2 to 3 feet. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 60 to 65 inland and around 55 at the shore. Highs around 67 at the shore and 78 to 83 inland. .SATURDAY NIGHT...Partly cloudy. Lows 61 to 66 inland and around 56 at the shore. .SUNDAY...Sunny. Highs around 67 at the shore and 75 to 80 inland. .SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Lows 61 to 66 inland and around 56 at the shore. Highs around 68 at the shore and 76 to 81 inland. && Isle Royale (NE areas)- Including Greenstone Ridge North, Malone Bay, Mount Saginaw, and Rock Harbor- .TODAY...Sunny. Highs around 60 at the shore and 71 to 76 inland. West winds 5 to 10 mph becoming southwest 5 to 15 mph by late morning. Waves calm to 1 foot. .TONIGHT...Mostly clear. Lows 57 to 62 inland and around 55 at the shore. Southwest winds 5 to 15 mph. Waves building to 1 to 2 feet, then subsiding to calm to 1 foot. .THURSDAY...Sunny. Highs around 64 at the shore and 74 to 79 inland. Southwest winds 10 to 20 mph. Waves building to 2 to 3 feet. .THURSDAY NIGHT...Partly cloudy. Lows 60 to 65 inland and around 57 at the shore. Southwest winds 10 to 20 mph. Waves building to 3 to 5 feet. .FRIDAY...A chance of rain showers through early afternoon, then a chance of rain showers and a slight chance of thunderstorms by mid afternoon. Partly cloudy. Highs around 62 at the shore and 73 to 78 inland. Southwest winds 5 to 15 mph. Chance of precipitation 50 percent. Waves subsiding to 1 to 2 feet. .FRIDAY NIGHT...Partly cloudy. Lows 58 to 63 inland and around 55 at the shore. .SATURDAY...Sunny. Highs around 62 at the shore and 76 to 81 inland. .SATURDAY NIGHT...Partly cloudy. Lows 59 to 64 inland and around 55 at the shore. .SUNDAY...Sunny. Highs around 61 at the shore and 73 to 78 inland. .SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Lows 59 to 64 inland and around 55 at the shore. Highs around 61 at the shore and 73 to 78 inland. && Isle Royale (NW areas)- Including Amygdaloid Island, Lookout Louise, and Minong Mine- .TODAY...Sunny. Highs around 64 at the shore and 77 to 82 inland. Southwest winds 5 to 10 mph increasing to 10 to 15 mph by mid afternoon. Waves calm to 1 foot building to 1 to 2 feet. .TONIGHT...Mostly clear. Lows 58 to 63. South winds 5 to 15 mph. Waves subsiding to calm to 1 foot. .THURSDAY...Sunny. Highs around 68 at the shore and 77 to 82 inland. Southwest winds 10 to 20 mph. Waves building to 2 to 3 feet. .THURSDAY NIGHT...Partly cloudy. Lows 61 to 66. Southwest winds 10 to 20 mph. Waves subsiding to 1 to 2 feet building to 2 to 4 feet. .FRIDAY...Partly cloudy with a chance of rain showers and a slight chance of thunderstorms. Highs around 66 at the shore and 77 to 82 inland. Southwest winds 10 to 20 mph. Chance of precipitation 50 percent. Waves subsiding to 1 to 2 feet. .FRIDAY NIGHT AND SATURDAY...Mostly clear. Lows 59 to 64. Highs around 66 at the shore and 80 to 85 inland. .SATURDAY NIGHT...Partly cloudy. Lows 62 to 67 inland and around 57 at the shore. .SUNDAY...Sunny. Highs around 66 at the shore and 76 to 81 inland. .SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Lows 62 to 67 inland and around 57 at the shore. Highs around 66 at the shore and 76 to 81 inland. && Isle Royale (SE areas)- Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay- .TODAY...Sunny. Highs around 63 at the shore and 73 to 78 inland. West winds 5 to 10 mph becoming southwest 5 to 15 mph by late morning. Waves calm to 1 foot. .TONIGHT...Mostly clear. Lows 58 to 63 inland and around 55 at the shore. Southwest winds 5 to 15 mph. Waves building to 1 to 2 feet. .THURSDAY...Sunny. Highs around 68 at the shore and 76 to 81 inland. Southwest winds 10 to 20 mph. Waves building to 2 to 3 feet. .THURSDAY NIGHT...Partly cloudy. Lows 60 to 65 inland and around 55 at the shore. Southwest winds 10 to 20 mph. Waves building to 3 to 5 feet. .FRIDAY...A slight chance of rain showers and thunderstorms through early afternoon, then a chance of rain showers and a slight chance of thunderstorms by mid afternoon. Partly cloudy. Highs around 66 at the shore and 75 to 80 inland. Southwest winds 5 to 15 mph. Chance of precipitation 50 percent. Waves subsiding to 1 to 2 feet. .FRIDAY NIGHT...Mostly clear. Lows 58 to 63 inland and around 54 at the shore. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Highs around 65 at the shore and 77 to 82 inland. Lows 59 to 64 inland and around 54 at the shore. .SUNDAY THROUGH TUESDAY...Partly cloudy. Highs around 64 at the shore and 76 to 81 inland. Lows 59 to 64 inland and around 54 at the shore. && $$