SXUS43 KMQT 142101 RECMQT MIZ001-150800- Recreational Forecast for Isle Royale National Park National Weather Service Marquette MI 500 PM EDT Tue Apr 14 2026 Isle Royale (SW areas)- Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge, and Windigo- ...FLOOD WATCH IN EFFECT THROUGH LATE THURSDAY NIGHT... ...DENSE FOG ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT WEDNESDAY... .TONIGHT...Mostly cloudy. A slight chance of drizzle early in the evening. Patchy dense fog early in the evening. Areas of dense fog by midnight. Lows around 35. Northeast winds up to 10 mph becoming north late. Waves calm to 1 foot. .WEDNESDAY...Mostly cloudy. Areas of fog through early afternoon. Highs around 40 at the shore and 42 to 47 inland. Northeast winds up to 5 mph. Waves calm to 1 foot. .WEDNESDAY NIGHT...Mostly cloudy. Patchy fog through midnight. Lows around 33. East winds up to 5 mph becoming southeast by midnight, then becoming east late. Waves calm to 1 foot. .THURSDAY...Partly sunny. Highs around 40 at the shore and 47 to 52 inland. East winds up to 10 mph becoming 5 to 10 mph by mid afternoon. Waves calm to 1 foot. .THURSDAY NIGHT...Mostly cloudy. Lows around 35. East winds 5 to 15 mph. Waves building to 2 to 3 feet. .FRIDAY...A 30 percent chance of rain showers by mid afternoon. Mostly cloudy. Highs around 45. .FRIDAY NIGHT...Rain showers and a chance of thunderstorms through midnight, then rain and snow showers likely late. Lows around 32. Chance of precipitation 80 percent. .SATURDAY...Mostly cloudy with a 40 percent chance of rain and snow showers. Highs around 38. .SATURDAY NIGHT...A chance of snow showers through midnight. Mostly cloudy. Lows around 24. Chance of snow 30 percent. .SUNDAY...Mostly cloudy through early afternoon then becoming partly cloudy. Highs around 35. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows around 27. Highs around 37. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 32. Highs around 43. && Isle Royale (NE areas)- Including Greenstone Ridge North, Malone Bay, Mount Saginaw, and Rock Harbor- ...FLOOD WATCH IN EFFECT THROUGH LATE THURSDAY NIGHT... ...DENSE FOG ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT WEDNESDAY... .TONIGHT...Mostly cloudy. A slight chance of drizzle early in the evening. A slight chance of drizzle by midnight. Areas of dense fog. Lows around 34. Northeast winds up to 10 mph becoming north late. Waves calm to 1 foot. .WEDNESDAY...Mostly cloudy. Areas of fog through early afternoon. Highs around 37 at the shore and 42 to 47 inland. Northeast winds up to 10 mph becoming up to 5 mph by mid afternoon. Waves calm to 1 foot. .WEDNESDAY NIGHT...Mostly cloudy. Patchy fog through midnight. Lows around 33. East winds up to 5 mph becoming southeast by midnight, then becoming east late. Waves calm to 1 foot. .THURSDAY...Partly sunny. Highs around 39 at the shore and 46 to 51 inland. Northeast winds up to 10 mph becoming east by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...Mostly cloudy. Lows around 34. East winds 5 to 15 mph. Waves building to 2 to 4 feet. .FRIDAY...Mostly cloudy. Highs around 44. .FRIDAY NIGHT...Rain showers through midnight, then rain and snow showers likely late. Lows around 32. Chance of precipitation 80 percent. .SATURDAY...Mostly cloudy with a 40 percent chance of rain and snow showers. Highs around 37. .SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow showers. Lows around 25. .SUNDAY...Mostly cloudy through early afternoon then becoming partly cloudy. Highs around 33. .SUNDAY NIGHT...Partly cloudy. Lows around 27. .MONDAY...Sunny. Highs around 37. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 32. Highs around 42. && Isle Royale (NW areas)- Including Amygdaloid Island, Lookout Louise, and Minong Mine- ...FLOOD WATCH IN EFFECT THROUGH LATE THURSDAY NIGHT... ...DENSE FOG ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT WEDNESDAY... .TONIGHT...Mostly cloudy. A slight chance of drizzle through midnight. Areas of dense fog early in the evening, then areas of fog by midnight. Areas of dense fog late. Lows around 33. Northeast winds up to 10 mph becoming north late. Waves calm to 1 foot. .WEDNESDAY...Mostly cloudy. Areas of fog through early afternoon. Highs around 37 at the shore and 42 to 47 inland. Northeast winds up to 10 mph becoming up to 5 mph by mid afternoon. Waves calm to 1 foot. .WEDNESDAY NIGHT...Mostly cloudy. Patchy fog through midnight. Lows around 32. East winds up to 5 mph becoming southeast by midnight. Waves calm to 1 foot. .THURSDAY...Partly sunny. Highs around 39 at the shore and 47 to 52 inland. Northeast winds up to 10 mph becoming east by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...Mostly cloudy. Lows around 33. East winds 5 to 15 mph. Waves building to 2 to 3 feet. .FRIDAY...Mostly cloudy. Highs around 43. .FRIDAY NIGHT...Rain showers through midnight, then rain and snow showers likely late. Lows around 31. Chance of precipitation 80 percent. .SATURDAY...Breezy. Mostly cloudy with a 40 percent chance of rain and snow showers. Highs around 37. .SATURDAY NIGHT...Breezy. A chance of snow showers through midnight. Mostly cloudy. Lows around 24. Chance of snow 30 percent. .SUNDAY...Mostly cloudy through early afternoon then becoming partly cloudy. Highs around 34. .SUNDAY NIGHT...Partly cloudy. Lows around 26. .MONDAY...Sunny. Highs around 37. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 31. Highs around 42. && Isle Royale (SE areas)- Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay- ...FLOOD WATCH IN EFFECT THROUGH LATE THURSDAY NIGHT... ...DENSE FOG ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 8 AM EDT WEDNESDAY... .TONIGHT...Mostly cloudy. A slight chance of drizzle early in the evening. A slight chance of drizzle by midnight. Patchy fog early in the evening. Areas of dense fog by midnight. Lows around 35. Northeast winds up to 10 mph becoming north late. Waves calm to 1 foot. .WEDNESDAY...Mostly cloudy. Areas of fog through early afternoon. Highs around 40 at the shore and 42 to 47 inland. Northeast winds up to 5 mph becoming east by mid afternoon. Waves calm to 1 foot. .WEDNESDAY NIGHT...Mostly cloudy. Patchy fog through midnight. Lows around 33. East winds up to 5 mph becoming northeast late. Waves calm to 1 foot. .THURSDAY...Partly sunny. Highs around 40 at the shore and 47 to 52 inland. Northeast winds up to 5 mph becoming east by late morning. Waves calm to 1 foot. .THURSDAY NIGHT...Partly cloudy through midnight then becoming mostly cloudy. Lows around 35. East winds 5 to 15 mph. Waves building to 2 to 3 feet. .FRIDAY...A 30 percent chance of rain showers by mid afternoon. Mostly cloudy. Highs around 45. .FRIDAY NIGHT...Rain showers and a chance of thunderstorms through midnight, then rain and snow showers likely late. Lows around 33. Chance of precipitation 80 percent. .SATURDAY...Mostly cloudy with a 40 percent chance of rain and snow showers. Highs around 38. .SATURDAY NIGHT...Mostly cloudy with a 30 percent chance of snow showers. Lows around 25. .SUNDAY...Mostly cloudy through early afternoon then becoming partly cloudy. Highs around 35. .SUNDAY NIGHT AND MONDAY...Mostly clear. Lows 26 to 31. Highs around 38. .MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 33. Highs around 44. && $$