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SXUS43 KMQT 261952
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MIZ001-270900-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
352 PM EDT Sat Apr 26 2025

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

.TONIGHT...Mostly clear through midnight then becoming mostly
cloudy. Lows around 35. Southwest winds 5 to 10 mph becoming south
late. Waves calm to 1 foot.
.SUNDAY...A 30 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 43 at the shore and 49 to 54 inland.
South winds up to 10 mph becoming southwest by late morning. Waves
calm to 1 foot.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows around 42. South winds 5 to 15 mph. Waves building to
1 to 2 feet.
.MONDAY...Rain showers likely through early afternoon, then rain
showers and a chance of thunderstorms by mid afternoon. Highs around
49 at the shore and 51 to 56 inland. South winds 5 to 15 mph. Chance
of precipitation 90 percent. Waves building to 2 to 3 feet.
.MONDAY NIGHT...Windy. Rain showers and a chance of thunderstorms
through midnight, then a chance of rain and snow showers late.
Cloudy. Lows around 33. South winds 5 to 15 mph becoming southwest
by midnight, then becoming north 10 to 20 mph late increasing to 20
to 30 mph late. Chance of precipitation 90 percent. Waves building to
3 to 5 feet.
.TUESDAY...Cooler. Mostly cloudy with a 30 percent chance of snow
showers through early afternoon, then mostly sunny by mid afternoon.
Highs around 40.
.TUESDAY NIGHT AND WEDNESDAY...Partly cloudy. Lows 31 to 36. Highs
around 45.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 30 percent
chance of rain showers. Lows around 37. Highs 48 to 53.
.THURSDAY NIGHT...Mostly cloudy. Lows 33 to 38.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs around 46. Lows
around 34.
.SATURDAY...Sunny. Highs 46 to 51.

&&

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

.TONIGHT...Mostly clear through midnight then becoming mostly
cloudy. Lows around 35. Southwest winds 5 to 15 mph becoming south
late. Waves calm to 1 foot.
.SUNDAY...A 30 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 41 at the shore and 45 to 50 inland.
South winds up to 10 mph. Waves calm to 1 foot.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows around 39. Southeast winds 5 to 15 mph becoming south
by midnight. Waves building to 2 to 3 feet.
.MONDAY...Rain showers likely through early afternoon, then rain
showers and a slight chance of thunderstorms by mid afternoon. Highs
around 47. South winds 5 to 15 mph. Chance of precipitation
80 percent. Waves building to 2 to 4 feet.
.MONDAY NIGHT...Windy. Rain showers and a chance of thunderstorms
through midnight, then a chance of rain and snow showers late.
Mostly cloudy. Lows around 32. South winds 5 to 15 mph becoming west
10 to 20 mph by midnight, then becoming north 15 to 25 mph late.
Chance of precipitation 90 percent. Waves building to 3 to 6 feet.
.TUESDAY...Cold. Mostly cloudy through early afternoon then becoming
mostly sunny. Highs around 38.
.TUESDAY NIGHT...Mostly clear. Lows around 34.
.WEDNESDAY...Warmer. Mostly sunny. Highs 42 to 47.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 37.
.THURSDAY...A 30 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs around 45 at the shore and 48 to 53
inland.
.THURSDAY NIGHT...Mostly cloudy. Lows around 35.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 42 to 47. Lows
around 35.
.SATURDAY...Sunny. Highs 44 to 49.

&&

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

.TONIGHT...Mostly clear through midnight then becoming mostly
cloudy. Lows around 35. Southwest winds 5 to 10 mph becoming south
late. Waves calm to 1 foot.
.SUNDAY...A 40 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 43 at the shore and 48 to 53 inland.
South winds 5 to 10 mph. Waves calm to 1 foot.
.SUNDAY NIGHT...A 30 percent chance of rain showers. Mostly cloudy.
Lows around 40. Southeast winds 5 to 15 mph becoming south by
midnight. Waves building to 1 to 2 feet.
.MONDAY...Rain showers likely through early afternoon, then rain
showers and a slight chance of thunderstorms by mid afternoon. Highs
47 to 52. South winds 5 to 15 mph. Chance of precipitation
80 percent. Waves building to 2 to 4 feet.
.MONDAY NIGHT...Windy. Rain showers and a chance of thunderstorms
through midnight, then a chance of rain and snow showers late.
Mostly cloudy. Lows around 32. South winds 5 to 15 mph becoming west
by midnight, then becoming north 15 to 25 mph late. Chance of
precipitation 90 percent. Waves building to 3 to 6 feet.
.TUESDAY...Cold. Mostly cloudy through early afternoon then becoming
mostly sunny. Highs around 38.
.TUESDAY NIGHT...Mostly clear. Lows 31 to 36.
.WEDNESDAY...Warmer. Partly cloudy. Highs 42 to 47.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 37.
.THURSDAY...A 30 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs around 44 at the shore and 49 to 54
inland.
.THURSDAY NIGHT...Mostly cloudy. Lows 32 to 37.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 43 to 48. Lows 32 to
37.
.SATURDAY...Sunny. Highs 46 to 51.

&&

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

.TONIGHT...Mostly clear through midnight then becoming mostly
cloudy. Lows around 35. Southwest winds 5 to 10 mph becoming
southeast late. Waves calm to 1 foot.
.SUNDAY...A 20 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 42 at the shore and 48 to 53 inland.
South winds 5 to 10 mph. Waves calm to 1 foot.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers. Lows around 40. Southeast winds 5 to 15 mph becoming south
by midnight. Waves building to 1 to 2 feet.
.MONDAY...Rain showers likely through early afternoon, then rain
showers and a chance of thunderstorms by mid afternoon. Highs 48 to
53. South winds 5 to 15 mph. Chance of precipitation 90 percent.
Waves building to 2 to 3 feet.
.MONDAY NIGHT...Breezy. Rain showers and a chance of thunderstorms
through midnight, then a chance of rain and snow showers late.
Mostly cloudy. Lows around 33. South winds 5 to 15 mph becoming
southwest by midnight, then becoming northwest 10 to 20 mph late
becoming north 15 to 25 mph late. Chance of precipitation 90 percent.
Waves building to 2 to 4 feet.
.TUESDAY...Cooler. Mostly cloudy with a 30 percent chance of rain
and snow showers through early afternoon, then mostly sunny by mid
afternoon. Highs around 39.
.TUESDAY NIGHT...Mostly clear. Lows around 34.
.WEDNESDAY...Mostly sunny. Highs around 45.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy with a 30 percent
chance of rain showers. Lows around 37. Highs around 47 at the shore
and 49 to 54 inland.
.THURSDAY NIGHT...Mostly cloudy. Lows around 35.
.FRIDAY AND FRIDAY NIGHT...Partly cloudy. Highs 43 to 48. Lows
around 35.
.SATURDAY...Sunny. Highs 46 to 51.

&&


$$

GS