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Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
513 PM EDT Fri May 24 2024

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

.TONIGHT...Breezy. Becoming partly cloudy late. Rain showers and a
chance of thunderstorms through midnight, then scattered rain
showers and a slight chance of thunderstorms late. Lows around 42.
East winds 15 to 25 mph becoming southwest 15 to 20 mph late. Waves
2 to 4 feet building to 3 to 6 feet.
.SATURDAY...Breezy, warmer. Partly cloudy through early afternoon,
then sunny with a 20 percent chance of rain showers by mid
afternoon. Highs around 50 at the shore and 55 to 60 inland.
Southwest winds 10 to 20 mph. Waves building to 4 to 7 feet, then
subsiding to 2 to 4 feet.
.SATURDAY NIGHT...Partly cloudy with a chance of rain showers
through midnight, then mostly cloudy with a slight chance of rain
showers and thunderstorms late. Lows 41 to 46. South winds 5 to
15 mph becoming 5 to 10 mph late. Chance of precipitation
30 percent. Waves subsiding to calm to 1 foot.
.SUNDAY...A 30 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 50 at the shore and 56 to 61 inland.
East winds 5 to 15 mph. Waves building to 1 to 2 feet.
.SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 43. Northeast winds 10 to 15 mph becoming north
10 to 20 mph late. Waves building to 2 to 3 feet.
.MEMORIAL DAY...A chance of rain showers through early afternoon.
Partly sunny. Highs around 55 at the shore and 59 to 64 inland.
Chance of showers 30 percent.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows around 45. Highs
around 51 at the shore and 58 to 63 inland.
.TUESDAY NIGHT...Partly cloudy. Lows around 43.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 51 at the
shore and 58 to 63 inland. Lows around 42.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 45. Highs
around 54 at the shore and 59 to 64 inland.

&&

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

.TONIGHT...Windy. Rain showers through midnight. A slight chance of
thunderstorms. Numerous rain showers late. Lows around 42. East
winds 15 to 25 mph becoming southwest 15 to 20 mph late. Waves 3 to
5 feet building to 6 to 9 feet.
.SATURDAY...Warmer. A 20 percent chance of rain showers by mid
afternoon. Sunny. Highs around 47 at the shore and 53 to 58 inland.
Southwest winds 15 to 20 mph becoming 10 to 20 mph late. Waves
subsiding to 3 to 6 feet.
.SATURDAY NIGHT...Partly cloudy with a chance of rain showers
through midnight, then mostly cloudy with a slight chance of rain
showers and thunderstorms late. Lows around 41. South winds 5 to
15 mph. Chance of precipitation 30 percent. Waves subsiding to calm
to 1 foot.
.SUNDAY...A 30 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 47 at the shore and 51 to 56 inland.
Southeast winds 5 to 10 mph becoming east 5 to 15 mph by late
morning. Waves building to 1 to 2 feet.
.SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 42. Northeast winds 5 to 15 mph becoming north
10 to 20 mph late. Waves building to 2 to 3 feet.
.MEMORIAL DAY...Warmer. A chance of rain showers through early
afternoon. Partly sunny. Highs around 51 at the shore and 57 to
62 inland. Chance of showers 30 percent.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows around 44. Highs
around 50 at the shore and 54 to 59 inland.
.TUESDAY NIGHT...Partly cloudy. Lows around 42.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 50 at the
shore and 54 to 59 inland. Lows around 41.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 44. Highs
around 51 at the shore and 55 to 60 inland.

&&

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

.TONIGHT...Windy. Rain showers through midnight. A slight chance of
thunderstorms. Scattered rain showers late. Lows around 42. East
winds 15 to 25 mph becoming southwest 15 to 20 mph late. Waves 2 to
4 feet building to 4 to 7 feet.
.SATURDAY...Breezy, warmer. Partly cloudy through early afternoon
then clearing. Highs around 48 at the shore and 55 to 60 inland.
Southwest winds 15 to 25 mph decreasing to 10 to 20 mph late. Waves
subsiding to 2 to 4 feet.
.SATURDAY NIGHT...Partly cloudy with a chance of rain showers
through midnight, then mostly cloudy with a slight chance of rain
showers late. Lows around 42. South winds 5 to 15 mph. Chance of
showers 30 percent. Waves subsiding to calm to 1 foot.
.SUNDAY...A 30 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 47 at the shore and 54 to 59 inland. East
winds 5 to 15 mph. Waves building to 1 to 2 feet.
.SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 43. Northeast winds 10 to 15 mph becoming north
10 to 20 mph late. Waves building to 2 to 3 feet.
.MEMORIAL DAY...Warmer. A chance of rain showers through early
afternoon. Partly sunny. Highs around 53 at the shore and 59 to
64 inland. Chance of showers 30 percent.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows around 45. Highs
around 50 at the shore and 57 to 62 inland.
.TUESDAY NIGHT...Partly cloudy. Lows around 42.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 51 at the
shore and 57 to 62 inland. Lows around 41.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 44. Highs
around 52 at the shore and 57 to 62 inland.

&&

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

.TONIGHT...Breezy. Cloudy through midnight then becoming partly
cloudy. Rain showers and a chance of thunderstorms through midnight,
then scattered rain showers and a slight chance of thunderstorms
late. Lows around 42. East winds 15 to 25 mph becoming southwest
15 to 20 mph late. Waves 3 to 6 feet building to 4 to 7 feet.
.SATURDAY...Breezy, warmer. Partly cloudy through early afternoon,
then sunny with a 20 percent chance of rain showers by mid
afternoon. Highs around 49 at the shore and 54 to 59 inland.
Southwest winds 15 to 25 mph decreasing to 10 to 20 mph late. Waves
subsiding to 2 to 4 feet.
.SATURDAY NIGHT...Partly cloudy with a chance of rain showers and a
slight chance of thunderstorms through midnight, then mostly cloudy
with a slight chance of rain showers and thunderstorms late. Lows
around 42. South winds 5 to 15 mph becoming southwest 5 to 10 mph
late, then becoming south late. Chance of precipitation 30 percent.
Waves subsiding to 1 to 2 feet.
.SUNDAY...A 30 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 50 at the shore and 55 to 60 inland.
East winds 5 to 15 mph becoming northeast 10 to 15 mph late. Waves
subsiding to calm to 1 foot building to 1 to 2 feet.
.SUNDAY NIGHT...Mostly cloudy with a 40 percent chance of rain
showers. Lows around 43. Northeast winds 5 to 15 mph becoming north
10 to 20 mph late. Waves 1 to 2 feet.
.MEMORIAL DAY...A chance of rain showers through early afternoon.
Partly sunny. Highs around 53 at the shore and 58 to 63 inland.
Chance of showers 30 percent.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy. Lows around 45. Highs
around 50 at the shore and 56 to 61 inland.
.TUESDAY NIGHT...Partly cloudy. Lows around 42.
.WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs around 51 at the
shore and 56 to 61 inland. Lows around 41.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 45. Highs
around 52 at the shore and 58 to 63 inland.

&&


$$

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