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MIZ001-202100-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
400 AM EDT Mon May 20 2024

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

.TODAY...A chance of rain showers. Mostly cloudy. Highs around 52 at
the shore and 57 to 62 inland. Northeast winds 5 to 10 mph. Waves
calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 43. Northeast winds up to
5 mph becoming north by midnight, then becoming 5 to 10 mph late.
Waves calm to 1 foot.
.TUESDAY...A 30 percent chance of rain showers by mid afternoon.
Partly sunny. Highs 53 to 58. Northeast winds 5 to 15 mph becoming
10 to 15 mph by mid afternoon. Waves building to 1 to 2 feet.
.TUESDAY NIGHT...Breezy. Rain showers and a chance of thunderstorms.
Locally heavy rainfall possible through midnight. Lows around 44.
East winds 15 to 25 mph. Chance of precipitation near 100 percent.
Waves building to 5 to 8 feet.
.WEDNESDAY...Windy. Rain showers likely and a slight chance of
thunderstorms. Mostly cloudy. Highs 49 to 54. East winds 15 to 25
mph becoming west 20 to 30 mph by late morning. Chance of
precipitation 60 percent. Waves 5 to 8 feet.
.WEDNESDAY NIGHT...Breezy. A chance of rain showers through
midnight. Mostly cloudy. Lows around 40. Chance of showers
40 percent.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs around 48 at the
shore and 51 to 56 inland. Lows around 41.
.FRIDAY NIGHT AND SATURDAY...A 40 percent chance of rain showers.
Mostly cloudy. Lows around 41. Highs around 48 at the shore and
51 to 56 inland.
.SATURDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows around 42.
.SUNDAY...Partly cloudy. Highs around 49 at the shore and 52 to
57 inland.

&&

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

.TODAY...Cooler. Mostly cloudy. A chance of rain showers. Highs
around 46 at the shore and 52 to 57 inland. East winds 5 to 10 mph
becoming northeast by late morning, then becoming northeast 5 to 10
mph by mid afternoon. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 41. Northeast winds up to
5 mph becoming north by midnight. Waves calm to 1 foot.
.TUESDAY...A 20 percent chance of rain showers by mid afternoon.
Partly sunny. Highs around 49 at the shore and 51 to 56 inland.
North winds 5 to 10 mph becoming northeast 5 to 15 mph by late
morning. Waves building to 1 to 2 feet.
.TUESDAY NIGHT...Windy. Rain showers and a chance of thunderstorms.
Lows around 43. East winds 15 to 25 mph. Chance of precipitation near
100 percent. Waves building to 8 to 11 feet.
.WEDNESDAY...Windy. Rain showers likely and a chance of
thunderstorms. Mostly cloudy. Highs 46 to 51. Southeast winds 15 to
25 mph becoming west 20 to 30 mph by late morning. Chance of
precipitation 70 percent. Waves subsiding to 5 to 8 feet.
.WEDNESDAY NIGHT...Breezy. A 40 percent chance of rain showers
through midnight. Mostly cloudy. Lows around 40.
.THURSDAY THROUGH FRIDAY...Cool. Partly cloudy. Highs 46 to 51. Lows
around 40.
.FRIDAY NIGHT AND SATURDAY...Cool. A 40 percent chance of rain
showers. Mostly cloudy. Lows around 41. Highs 47 to 52.
.SATURDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows around 41.
.SUNDAY...Partly cloudy. Highs 48 to 53.

&&

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

.TODAY...Cooler. Mostly cloudy. A chance of rain showers. Highs
around 47 at the shore and 54 to 59 inland. Northeast winds 5 to 10
mph. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 41. Northeast winds up to
5 mph becoming northwest by midnight, then becoming north late.
Waves calm to 1 foot.
.TUESDAY...A 20 percent chance of rain showers by mid afternoon.
Partly sunny. Highs around 49 at the shore and 53 to 58 inland.
North winds 5 to 10 mph becoming northeast 5 to 15 mph by late
morning. Waves building to 1 to 2 feet.
.TUESDAY NIGHT...Windy. Rain showers and a chance of thunderstorms.
Lows around 43. East winds 15 to 25 mph. Chance of precipitation near
100 percent. Waves building to 7 to 10 feet.
.WEDNESDAY...Windy. Rain showers likely and a chance of
thunderstorms. Mostly cloudy. Highs 48 to 53. East winds 15 to 25
mph becoming northwest 20 to 30 mph by late morning, then becoming
west by mid afternoon. Chance of precipitation 70 percent. Waves
subsiding to 4 to 7 feet.
.WEDNESDAY NIGHT...Breezy. A 40 percent chance of rain showers
through midnight. Mostly cloudy. Lows around 40.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs around 48 at the
shore and 50 to 55 inland. Lows around 40.
.FRIDAY NIGHT AND SATURDAY...A 40 percent chance of rain showers.
Mostly cloudy. Lows around 41. Highs around 48 at the shore and
51 to 56 inland.
.SATURDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows around 41.
.SUNDAY...Partly cloudy. Highs around 47 at the shore and 51 to
56 inland.

&&

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

.TODAY...A 40 percent chance of rain showers through mid afternoon.
Mostly cloudy. Highs around 50 at the shore and 55 to 60 inland.
Northeast winds 5 to 10 mph. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 42. Northeast winds up to
5 mph becoming north by midnight, then becoming 5 to 10 mph late.
Waves calm to 1 foot.
.TUESDAY...A 30 percent chance of rain showers by mid afternoon.
Partly sunny. Highs 52 to 57. Northeast winds 5 to 10 mph increasing
to 10 to 20 mph by mid afternoon. Waves building to 1 to 2 feet.
.TUESDAY NIGHT...Breezy. Rain showers and a chance of thunderstorms.
Locally heavy rainfall possible through midnight. Lows around 44.
East winds 15 to 25 mph. Chance of precipitation near 100 percent.
Waves building to 7 to 10 feet.
.WEDNESDAY...Windy. Rain showers likely and a slight chance of
thunderstorms. Mostly cloudy. Highs around 48 at the shore and 50 to
55 inland. South winds 15 to 25 mph becoming west 20 to 30 mph by
late morning. Chance of precipitation 60 percent. Waves subsiding to
4 to 7 feet.
.WEDNESDAY NIGHT...Breezy. A 40 percent chance of rain showers
through midnight. Mostly cloudy. Lows around 40.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs around 47 at the
shore and 50 to 55 inland. Lows around 41.
.FRIDAY NIGHT AND SATURDAY...A 40 percent chance of rain showers.
Mostly cloudy. Lows around 41. Highs around 48 at the shore and
50 to 55 inland.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 41. Highs
around 50 at the shore and 52 to 57 inland.

&&


$$

GS