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MIZ001-020915-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
401 PM EDT Wed May 1 2024

Isle Royale (SW areas)-
Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge,
and Windigo-

.TONIGHT...Mostly cloudy. Patchy fog late. Lows around 38. West
winds 5 to 10 mph becoming north late. Waves 1 to 2 feet subsiding
to calm to 1 foot.
.THURSDAY...A 50 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs 44 to 49. North winds up to 5 mph becoming
northeast by late morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Rain showers likely through midnight, then rain
showers late. Lows around 39. East winds 5 to 15 mph increasing to
15 to 20 mph late, then becoming southeast 10 to 20 mph late. Chance
of showers 80 percent. Waves building to 2 to 3 feet, then subsiding
to 1 to 2 feet.
.FRIDAY...Warmer. Partly sunny with a 20 percent chance of rain
showers through early afternoon, then sunny by mid afternoon. Highs
around 47 at the shore and 53 to 58 inland. South winds 10 to 15 mph
becoming southwest 10 to 20 mph by late morning. Waves building to
2 to 3 feet.
.FRIDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 39. Southwest winds 10 to 15 mph. Waves
subsiding to 1 to 2 feet.
.SATURDAY...Partly sunny. Highs around 50 at the shore and 52 to
57 inland.
.SATURDAY NIGHT...Partly cloudy. Lows around 39.
.SUNDAY...Sunny. Highs 50 to 55.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows around 40. Highs
around 52 at the shore and 55 to 60 inland.
.MONDAY NIGHT...A 40 percent chance of rain showers. Partly cloudy
through midnight then becoming mostly cloudy. Lows around 42.
.TUESDAY...Rain showers likely. Highs around 51. Chance of showers
60 percent.
.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 41.
.WEDNESDAY...Mostly cloudy with a 30 percent chance of rain showers.
Highs 49 to 54.

&&

Isle Royale (NE areas)-
Including Greenstone Ridge North, Malone Bay, Mount Saginaw,
and Rock Harbor-

.TONIGHT...Mostly cloudy. Patchy fog late. Lows around 37. West
winds 5 to 10 mph becoming northwest late. Waves 2 to 4 feet
subsiding to calm to 1 foot.
.THURSDAY...Patchy fog through early afternoon. A 50 percent chance
of rain showers by mid afternoon. Mostly cloudy. Highs 42 to 47.
North winds 5 to 10 mph becoming east by mid afternoon. Waves calm
to 1 foot.
.THURSDAY NIGHT...Rain showers likely through midnight, then rain
showers late. Lows around 38. East winds 5 to 15 mph becoming
southeast 10 to 20 mph late. Chance of showers 80 percent. Waves
building to 3 to 5 feet.
.FRIDAY...Warmer. Partly sunny with a 20 percent chance of rain
showers through early afternoon, then sunny by mid afternoon. Highs
around 45 at the shore and 52 to 57 inland. South winds 10 to 20 mph
becoming southwest by late morning. Waves 3 to 5 feet.
.FRIDAY NIGHT...Mostly clear through midnight then becoming mostly
cloudy. Lows around 39. Southwest winds 10 to 15 mph. Waves
subsiding to 1 to 2 feet.
.SATURDAY...Partly sunny. Highs around 46 at the shore and 51 to
56 inland.
.SATURDAY NIGHT...Partly cloudy. Lows around 39.
.SUNDAY...Sunny. Highs around 48 at the shore and 50 to 55 inland.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows around 40. Highs
around 47 at the shore and 53 to 58 inland.
.MONDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
around 42. Chance of showers 40 percent.
.TUESDAY...Mostly cloudy with a 50 percent chance of rain showers.
Highs 47 to 52.
.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 40.
.WEDNESDAY...Mostly cloudy with a 30 percent chance of rain showers.
Highs around 47 at the shore and 49 to 54 inland.

&&

Isle Royale (NW areas)-
Including Amygdaloid Island, Lookout Louise, and Minong Mine-

.TONIGHT...Mostly cloudy. Patchy fog late. Lows around 37. West
winds 5 to 15 mph becoming northwest 5 to 10 mph late. Waves 2 to
3 feet subsiding to calm to 1 foot.
.THURSDAY...Patchy fog through early afternoon. A 50 percent chance
of rain showers by mid afternoon. Mostly cloudy. Highs 43 to 48.
North winds 5 to 10 mph becoming east by mid afternoon. Waves calm
to 1 foot.
.THURSDAY NIGHT...Rain showers likely through midnight, then rain
showers late. Lows around 38. East winds 5 to 15 mph becoming
southeast 10 to 20 mph late. Chance of showers 80 percent. Waves
building to 3 to 5 feet.
.FRIDAY...Warmer. Partly sunny with a 20 percent chance of rain
showers through early afternoon, then sunny by mid afternoon. Highs
around 47 at the shore and 53 to 58 inland. South winds 10 to 20 mph
becoming southwest by late morning. Waves subsiding to 2 to 3 feet.
.FRIDAY NIGHT...Mostly clear through midnight then becoming mostly
cloudy. Lows around 39. Southwest winds 10 to 15 mph. Waves
subsiding to 1 to 2 feet.
.SATURDAY...Partly sunny. Highs around 47 at the shore and 52 to
57 inland.
.SATURDAY NIGHT...Partly cloudy. Lows around 39.
.SUNDAY...Sunny. Highs around 49 at the shore and 51 to 56 inland.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows around 40. Highs
around 48 at the shore and 54 to 59 inland.
.MONDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
around 41. Chance of showers 30 percent.
.TUESDAY...Mostly cloudy with a 50 percent chance of rain showers.
Highs 48 to 53.
.TUESDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 41.
.WEDNESDAY...Mostly cloudy with a 30 percent chance of rain showers.
Highs 48 to 53.

&&

Isle Royale (SE areas)-
Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay-

.TONIGHT...Mostly cloudy. Patchy fog late. Lows around 38. West
winds 5 to 10 mph becoming northwest late. Waves 2 to 3 feet
subsiding to calm to 1 foot.
.THURSDAY...Patchy fog through early afternoon. A 50 percent chance
of rain showers by mid afternoon. Mostly cloudy. Highs 43 to 48.
Northeast winds 5 to 10 mph becoming east 5 to 15 mph by late
morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Rain showers. Lows around 39. East winds 10 to
20 mph becoming southeast late. Chance of showers 80 percent. Waves
building to 3 to 5 feet.
.FRIDAY...Warmer. Partly sunny with a 20 percent chance of rain
showers through early afternoon, then sunny by mid afternoon. Highs
around 46 at the shore and 52 to 57 inland. South winds 10 to 15 mph
becoming southwest 10 to 20 mph by late morning. Waves subsiding to
2 to 3 feet.
.FRIDAY NIGHT...Mostly clear through midnight then becoming mostly
cloudy. Lows around 40. Southwest winds 10 to 15 mph. Waves
subsiding to 1 to 2 feet.
.SATURDAY...Partly sunny. Highs around 49 at the shore and 52 to
57 inland.
.SATURDAY NIGHT...Partly cloudy. Lows around 40.
.SUNDAY...Sunny. Highs around 49 at the shore and 51 to 56 inland.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows around 40. Highs
around 51 at the shore and 54 to 59 inland.
.MONDAY NIGHT...A 40 percent chance of rain showers. Partly cloudy
through midnight then becoming mostly cloudy. Lows around 42.
.TUESDAY...Rain showers likely. Highs 48 to 53. Chance of showers
60 percent.
.TUESDAY NIGHT...A chance of rain showers. Mostly cloudy. Lows
around 41. Chance of showers 40 percent.
.WEDNESDAY...Mostly cloudy with a 30 percent chance of rain showers.
Highs around 48 at the shore and 50 to 55 inland.

&&


$$