Expires:No;;962859 SXUS43 KMQT 052101 RECMQT MIZ001-060800- Recreational Forecast for Isle Royale National Park National Weather Service Marquette MI 501 PM EDT Sat Sep 5 2026 Isle Royale (SW areas)- Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge, and Windigo- .TONIGHT...Partly cloudy. Lows around 57. East winds up to 5 mph. Waves calm to 1 foot. .SUNDAY...Mostly sunny. Highs around 66 at the shore and 70 to 75 inland. East winds up to 5 mph becoming southeast by mid afternoon. Waves calm to 1 foot. .SUNDAY NIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 61. Southeast winds 5 to 10 mph becoming northeast late. Waves calm to 1 foot. .LABOR DAY...A 20 percent chance of showers by mid afternoon. Partly sunny. Highs around 66 at the shore and 70 to 75 inland. East winds 5 to 15 mph. Waves calm to 1 foot. .MONDAY NIGHT...Breezy. A chance of showers through midnight, then showers and a slight chance of thunderstorms late. Cloudy. Lows 60 to 65. Southeast winds 10 to 15 mph becoming 10 to 20 mph late. Chance of precipitation 90 percent. Waves building to 2 to 4 feet. .TUESDAY...Breezy. Showers and a chance of thunderstorms through early afternoon, then a chance of showers by mid afternoon. Mostly cloudy. Highs around 68 at the shore and 72 to 77 inland. Chance of precipitation 80 percent. .TUESDAY NIGHT...Breezy. Mostly cloudy through midnight then becoming partly cloudy. Lows around 61. .WEDNESDAY AND WEDNESDAY NIGHT...Breezy. Partly cloudy. Highs 67 to 72. Lows around 55. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 64 to 69. Lows around 57. .FRIDAY...Partly cloudy. Highs around 67 at the shore and 69 to 74 inland. .FRIDAY NIGHT...Mostly cloudy with a 30 percent chance of rain showers. Lows around 59. .SATURDAY...Partly cloudy with a 30 percent chance of rain showers. Highs 66 to 71. && Isle Royale (NE areas)- Including Greenstone Ridge North, Malone Bay, Mount Saginaw, and Rock Harbor- .TONIGHT...Partly cloudy. Patchy fog late. Lows around 56. Southeast winds up to 5 mph. Waves calm to 1 foot. .SUNDAY...Partly cloudy. Highs around 62 at the shore and 68 to 73 inland. Southeast winds up to 10 mph. Waves calm to 1 foot. .SUNDAY NIGHT...Mostly cloudy. Lows around 59. Southeast winds 5 to 10 mph becoming east late. Waves calm to 1 foot. .LABOR DAY...A 20 percent chance of rain showers by mid afternoon. Mostly cloudy. Highs around 64 at the shore and 66 to 71 inland. East winds 5 to 15 mph. Waves building to 1 to 2 feet. .MONDAY NIGHT...A chance of rain showers through midnight, then rain showers late. Cloudy. Lows 57 to 62. Southeast winds 10 to 15 mph becoming 10 to 20 mph late. Chance of showers 90 percent. Waves building to 3 to 5 feet. .TUESDAY...Rain showers and a chance of thunderstorms through early afternoon, then a chance of rain showers by mid afternoon. Mostly cloudy. Highs around 66 at the shore and 69 to 74 inland. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Lows around 59. .WEDNESDAY...Breezy. Partly cloudy. Highs around 64 at the shore and 66 to 71 inland. .WEDNESDAY NIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 54. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 60 to 65. Lows around 55. .FRIDAY...Partly cloudy. Highs around 63 at the shore and 66 to 71 inland. .FRIDAY NIGHT AND SATURDAY...A 30 percent chance of rain showers. Mostly cloudy. Lows around 57. Highs around 62 at the shore and 65 to 70 inland. && Isle Royale (NW areas)- Including Amygdaloid Island, Lookout Louise, and Minong Mine- .TONIGHT...Partly cloudy. Patchy fog late. Lows around 57. Southeast winds up to 10 mph becoming south late, then becoming east late. Waves calm to 1 foot. .SUNDAY...Mostly sunny. Highs around 65 at the shore and 71 to 76 inland. Southeast winds up to 10 mph. Waves calm to 1 foot. .SUNDAY NIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 60. Southeast winds 5 to 10 mph becoming east late. Waves calm to 1 foot. .LABOR DAY...A 20 percent chance of rain showers by mid afternoon. Mostly cloudy. Highs around 65 at the shore and 69 to 74 inland. East winds 5 to 15 mph. Waves calm to 1 foot. .MONDAY NIGHT...A chance of rain showers through midnight, then rain showers late. Cloudy. Lows 59 to 64. Southeast winds 10 to 15 mph becoming 10 to 20 mph late. Chance of showers 90 percent. Waves building to 2 to 4 feet. .TUESDAY...Showers and a chance of thunderstorms through early afternoon, then a chance of showers by mid afternoon. Mostly cloudy. Highs around 67 at the shore and 71 to 76 inland. Chance of precipitation 90 percent. .TUESDAY NIGHT...Mostly cloudy through midnight then becoming partly cloudy. Lows around 60. .WEDNESDAY...Breezy. Partly cloudy. Highs around 66 at the shore and 68 to 73 inland. .WEDNESDAY NIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 54. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 62 at the shore and 64 to 69 inland. Lows around 56. .FRIDAY...Partly cloudy. Highs around 66 at the shore and 68 to 73 inland. .FRIDAY NIGHT AND SATURDAY...A 30 percent chance of rain showers. Mostly cloudy. Lows around 58. Highs around 65 at the shore and 67 to 72 inland. && Isle Royale (SE areas)- Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay- .TONIGHT...Partly cloudy. Lows around 56. East winds up to 5 mph becoming northeast late. Waves calm to 1 foot. .SUNDAY...Partly cloudy. Highs around 65 at the shore and 70 to 75 inland. East winds 5 to 10 mph. Waves calm to 1 foot. .SUNDAY NIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 60. East winds 5 to 10 mph becoming northeast late. Waves calm to 1 foot. .LABOR DAY...A 20 percent chance of rain showers by mid afternoon. Mostly cloudy. Highs around 65 at the shore and 69 to 74 inland. East winds 5 to 15 mph. Waves calm to 1 foot. .MONDAY NIGHT...A chance of showers through midnight, then showers and a slight chance of thunderstorms late. Cloudy. Lows 59 to 64. Southeast winds 10 to 15 mph becoming 10 to 20 mph late. Chance of precipitation 90 percent. Waves building to 2 to 4 feet. .TUESDAY...Breezy. Showers and a chance of thunderstorms through early afternoon, then a chance of showers by mid afternoon. Cloudy. Highs around 67 at the shore and 70 to 75 inland. Chance of precipitation 80 percent. .TUESDAY NIGHT...Breezy. Mostly cloudy through midnight then becoming partly cloudy. Lows around 60. .WEDNESDAY...Breezy. Partly cloudy. Highs around 63 at the shore and 67 to 72 inland. .WEDNESDAY NIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 54. .THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 60 at the shore and 64 to 69 inland. Lows around 56. .FRIDAY...Partly cloudy. Highs around 64 at the shore and 68 to 73 inland. .FRIDAY NIGHT AND SATURDAY...A 30 percent chance of rain showers. Mostly cloudy. Lows around 58. Highs around 62 at the shore and 66 to 71 inland. && $$