Expires:No;;183321 SXUS43 KMQT 072104 RECMQT MIZ001-080800- Recreational Forecast for Isle Royale National Park National Weather Service Marquette MI 503 PM EDT Thu May 7 2026 Isle Royale (SW areas)- Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge, and Windigo- .TONIGHT...Partly cloudy. Lows around 34. Southwest winds 5 to 10 mph. Waves 1 to 2 feet subsiding to calm to 1 foot. .FRIDAY...Warmer. Sunny through early afternoon, then partly sunny with a 20 percent chance of rain showers by mid afternoon. Highs 47 to 52. Southwest winds 5 to 15 mph. Waves building to 1 to 2 feet. .FRIDAY NIGHT...A chance of rain showers through midnight, then a chance of sprinkles and flurries late. Mostly cloudy. Lows around 36. Southwest winds 5 to 10 mph becoming northwest late. Chance of precipitation 20 percent. Waves subsiding to calm to 1 foot. .SATURDAY...A chance of sprinkles through early afternoon, then a slight chance of rain showers by mid afternoon. Partly sunny. Highs around 47. Northwest winds 5 to 10 mph becoming west 5 to 15 mph by mid afternoon. Chance of showers 20 percent. Waves building to 1 to 2 feet. .SATURDAY NIGHT...Partly cloudy. Lows around 35. Northwest winds 5 to 15 mph. Waves 1 to 2 feet. .SUNDAY THROUGH MONDAY...Partly cloudy. Highs around 42 at the shore and 45 to 50 inland. Lows around 34. .MONDAY NIGHT...Mostly clear. Lows around 34. .TUESDAY AND TUESDAY NIGHT...Mostly cloudy. Highs around 42 at the shore and 46 to 51 inland. Lows around 36. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Highs around 46 at the shore and 50 to 55 inland. Lows around 38. .THURSDAY...Partly sunny. Highs around 48 at the shore and 53 to 58 inland. && Isle Royale (NE areas)- Including Greenstone Ridge North, Malone Bay, Mount Saginaw, and Rock Harbor- .TONIGHT...Partly cloudy. Lows around 34. Southwest winds 5 to 10 mph. Waves 1 to 2 feet subsiding to calm to 1 foot. .FRIDAY...Sunny through early afternoon then becoming partly cloudy. A chance of sprinkles by mid afternoon. Highs around 44 at the shore and 46 to 51 inland. Southwest winds 5 to 15 mph. Waves building to 1 to 2 feet. .FRIDAY NIGHT...Mostly cloudy with a chance of rain showers through midnight, then partly cloudy with a chance of rain showers and flurries late. Lows around 35. Southwest winds 5 to 15 mph becoming northwest 5 to 10 mph late. Chance of precipitation 20 percent. Waves subsiding to calm to 1 foot. .SATURDAY...Partly sunny with a 20 percent chance of rain showers. Highs 42 to 47. North winds 5 to 10 mph becoming west by mid afternoon. Waves calm to 1 foot. .SATURDAY NIGHT...Partly cloudy. Lows around 34. Northwest winds 5 to 15 mph. Waves building to 1 to 2 feet. .SUNDAY AND SUNDAY NIGHT...Cool. Partly cloudy. Highs 39 to 44. Lows around 34. .MONDAY AND MONDAY NIGHT...Cool. Mostly clear. Highs 39 to 44. Lows around 34. .TUESDAY AND TUESDAY NIGHT...Cool. Mostly cloudy. Highs 39 to 44. Lows around 35. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs around 44 at the shore and 48 to 53 inland. Lows around 38. && Isle Royale (NW areas)- Including Amygdaloid Island, Lookout Louise, and Minong Mine- .TONIGHT...Partly cloudy. Lows around 34. Southwest winds 5 to 10 mph. Waves calm to 1 foot. .FRIDAY...Warmer. Sunny through early afternoon then becoming partly sunny. A chance of sprinkles by mid afternoon. Highs 46 to 51. Southwest winds 5 to 15 mph. Waves building to 1 to 2 feet. .FRIDAY NIGHT...Mostly cloudy with a chance of sprinkles through midnight, then partly cloudy with a chance of rain showers and flurries late. Lows around 35. West winds 5 to 15 mph becoming northwest 5 to 10 mph late. Chance of precipitation 20 percent. Waves subsiding to calm to 1 foot. .SATURDAY...Partly sunny with a 20 percent chance of rain showers. Highs around 45. Northwest winds 5 to 10 mph becoming 5 to 15 mph by mid afternoon. Waves calm to 1 foot. .SATURDAY NIGHT...Partly cloudy. Lows around 34. Northwest winds 5 to 15 mph. Waves building to 1 to 2 feet. .SUNDAY THROUGH MONDAY...Cool. Partly cloudy. Highs 41 to 46. Lows around 34. .MONDAY NIGHT...Mostly clear. Lows around 34. .TUESDAY AND TUESDAY NIGHT...Cool. Mostly cloudy. Highs 41 to 46. Lows around 35. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs around 45 at the shore and 51 to 56 inland. Lows around 37. && Isle Royale (SE areas)- Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay- .TONIGHT...Partly cloudy. Lows around 34. Southwest winds 5 to 10 mph. Waves 1 to 2 feet subsiding to calm to 1 foot. .FRIDAY...Sunny through early afternoon then becoming partly sunny. A chance of sprinkles by mid afternoon. Highs 46 to 51. Southwest winds 5 to 15 mph. Waves building to 1 to 2 feet. .FRIDAY NIGHT...A chance of rain showers through midnight, then a chance of sprinkles late. Mostly cloudy. Lows around 36. Southwest winds 5 to 10 mph becoming northwest late. Chance of showers 20 percent. Waves subsiding to calm to 1 foot. .SATURDAY...A chance of sprinkles through early afternoon, then a chance of rain showers by mid afternoon. Partly sunny. Highs 44 to 49. Northwest winds 5 to 10 mph becoming west 5 to 15 mph by mid afternoon. Chance of showers 20 percent. Waves calm to 1 foot. .SATURDAY NIGHT...Partly cloudy. Lows around 35. Northwest winds 5 to 15 mph. Waves building to 1 to 2 feet subsiding to calm to 1 foot. .SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs around 41 at the shore and 44 to 49 inland. Lows around 34. .MONDAY AND MONDAY NIGHT...Cool. Mostly clear. Highs around 41 at the shore and 43 to 48 inland. Lows around 35. .TUESDAY AND TUESDAY NIGHT...Cool. Mostly cloudy. Highs around 42 at the shore and 45 to 50 inland. Lows around 36. .WEDNESDAY THROUGH THURSDAY...Partly cloudy. Highs around 46 at the shore and 53 to 58 inland. Lows around 38. && $$