SXUS43 KMQT 240901 RECMQT MIZ001-242000- Recreational Forecast for Isle Royale National Park National Weather Service Marquette MI 501 AM EDT Fri Oct 24 2025 Isle Royale (SW areas)- Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge, and Windigo- .TODAY...Partly cloudy. Highs around 42. North winds 5 to 15 mph becoming northwest 5 to 10 mph by early afternoon, then becoming southwest late. Waves 1 to 2 feet subsiding to calm to 1 foot. .TONIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows 37 to 42. South winds up to 5 mph becoming southeast by midnight. Waves calm to 1 foot. .SATURDAY...Warmer. Partly sunny. Highs around 51. South winds 5 to 10 mph. Waves calm to 1 foot. .SATURDAY NIGHT...Partly cloudy. Lows around 46. South winds 5 to 15 mph. Waves building to 1 to 2 feet. .SUNDAY...Mostly sunny. Highs around 54. South winds 5 to 15 mph becoming southeast 10 to 15 mph late. Waves 1 to 2 feet. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows around 47. Highs around 53. .MONDAY NIGHT...Partly cloudy. Lows around 44. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs 49 to 54. Lows around 43. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 49 to 54. Lows around 42. && && Isle Royale (NE areas)- Including Greenstone Ridge North, Malone Bay, Mount Saginaw, and Rock Harbor- .TODAY...Partly cloudy. Highs around 42. Northwest winds 5 to 15 mph becoming west up to 5 mph late. Waves 1 to 2 feet subsiding to calm to 1 foot. .TONIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 39. South winds up to 5 mph becoming up to 10 mph by midnight. Waves calm to 1 foot. .SATURDAY...Partly sunny. Highs around 50. South winds 5 to 15 mph. Waves calm to 1 foot. .SATURDAY NIGHT...Partly cloudy. Lows around 46. South winds 5 to 15 mph. Waves building to 1 to 2 feet. .SUNDAY...Mostly sunny. Highs 50 to 55. South winds 5 to 15 mph becoming southeast 10 to 15 mph late. Waves building to 2 to 3 feet. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows around 45. Highs 48 to 53. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs 47 to 52. Lows around 43. .WEDNESDAY...Partly cloudy. Highs 47 to 52. .WEDNESDAY NIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 42. .THURSDAY...Partly cloudy. Highs 47 to 52. && && Isle Royale (NW areas)- Including Amygdaloid Island, Lookout Louise, and Minong Mine- .TODAY...Partly cloudy. Highs around 42. Northwest winds 5 to 15 mph becoming west up to 5 mph late. Waves 1 to 2 feet subsiding to calm to 1 foot. .TONIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 39. South winds up to 10 mph becoming 5 to 10 mph late. Waves calm to 1 foot. .SATURDAY...Warmer. Partly sunny. Highs around 51. South winds 5 to 15 mph. Waves calm to 1 foot. .SATURDAY NIGHT...Partly cloudy. Lows around 46. South winds 5 to 15 mph. Waves building to 1 to 2 feet, then subsiding to calm to 1 foot. .SUNDAY...Mostly sunny. Highs 51 to 56. South winds 5 to 15 mph becoming southeast 10 to 15 mph late. Waves building to 2 to 3 feet. .SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows around 47. Highs 50 to 55. .MONDAY NIGHT...Partly cloudy. Lows around 44. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs 49 to 54. Lows around 43. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs 49 to 54. Lows around 42. && && Isle Royale (SE areas)- Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay- .TODAY...Partly cloudy. Highs around 42. Northwest winds 5 to 15 mph becoming west up to 5 mph late. Waves calm to 1 foot. .TONIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 39. South winds up to 5 mph becoming southeast by midnight. Waves calm to 1 foot. .SATURDAY...Warmer. Partly sunny. Highs 48 to 53. South winds 5 to 10 mph. Waves calm to 1 foot. .SATURDAY NIGHT...Partly cloudy. Lows around 45. South winds 5 to 15 mph. Waves building to 1 to 2 feet. .SUNDAY...Mostly sunny. Highs 51 to 56. South winds 5 to 15 mph becoming southeast late. Waves 1 to 2 feet. .SUNDAY NIGHT THROUGH MONDAY NIGHT...Partly cloudy. Lows around 45. Highs 50 to 55. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs 48 to 53. Lows around 43. .WEDNESDAY...Partly cloudy. Highs 47 to 52. .WEDNESDAY NIGHT...Mostly cloudy. Lows around 42. .THURSDAY...Partly cloudy. Highs 47 to 52. && && $$