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MIZ001-242000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Sat May 24 2025

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

.TODAY...Partly sunny. Highs around 47 at the shore and 52 to
57 inland. North winds 5 to 10 mph becoming northeast by late
morning, then becoming south by early afternoon becoming southwest
late. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 40. West winds up to 10 mph
becoming northwest late. Waves calm to 1 foot.
.SUNDAY...Partly sunny through early afternoon then clearing. Highs
around 48 at the shore and 54 to 59 inland. Northwest winds up to
10 mph becoming west by mid afternoon. Waves calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows around 39. West winds up to
10 mph. Waves calm to 1 foot.
.MEMORIAL DAY...Mostly sunny. Highs around 52 at the shore and 57 to
62 inland. West winds up to 5 mph becoming southeast late. Waves
calm to 1 foot.
.MONDAY NIGHT AND TUESDAY...Partly cloudy. Lows around 40. Highs
around 52 at the shore and 57 to 62 inland.
.TUESDAY NIGHT AND WEDNESDAY...Mostly cloudy. Lows around 42. Highs
around 53 at the shore and 58 to 63 inland.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 43. Highs
around 57 at the shore and 64 to 69 inland.
.THURSDAY NIGHT...Partly cloudy. Lows around 46.
.FRIDAY...Sunny. Highs around 59 at the shore and 65 to 70 inland.

&&

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

.TODAY...Partly sunny. Highs around 45 at the shore and 48 to
53 inland. North winds 5 to 10 mph becoming west by mid afternoon.
Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 40. West winds 5 to 10 mph
becoming northwest late. Waves calm to 1 foot.
.SUNDAY...Partly cloudy. Highs around 48 at the shore and 52 to
57 inland. North winds 5 to 10 mph becoming west by mid afternoon.
Waves calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows around 40. West winds up to
10 mph. Waves calm to 1 foot.
.MEMORIAL DAY...Partly cloudy. Highs around 46 at the shore and
54 to 59 inland. West winds up to 5 mph becoming southeast by mid
afternoon. Waves calm to 1 foot.
.MONDAY NIGHT...Partly cloudy. Lows around 39.
.TUESDAY THROUGH WEDNESDAY...Mostly cloudy. Highs around 46 at the
shore and 55 to 60 inland. Lows around 40.
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy. Lows around 42. Highs
around 53 at the shore and 61 to 66 inland.
.THURSDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows around 45.
.FRIDAY...Mostly sunny. Highs around 54 at the shore and 62 to
67 inland.

&&

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

.TODAY...Partly sunny. Highs around 45 at the shore and 50 to
55 inland. North winds 5 to 10 mph becoming west late. Waves calm to
1 foot.
.TONIGHT...Mostly cloudy. Lows around 40. West winds 5 to 10 mph
becoming northwest late. Waves calm to 1 foot.
.SUNDAY...Partly cloudy. Highs around 47 at the shore and 54 to
59 inland. Northwest winds 5 to 10 mph becoming west by mid
afternoon. Waves calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows around 40. West winds up to
10 mph. Waves calm to 1 foot.
.MEMORIAL DAY...Partly cloudy. Highs around 49 at the shore and
56 to 61 inland. West winds up to 5 mph becoming south by mid
afternoon. Waves calm to 1 foot.
.MONDAY NIGHT...Partly cloudy. Lows around 39.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Highs around 49 at
the shore and 58 to 63 inland. Lows around 42.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs around 56 at the
shore and 64 to 69 inland. Lows around 46.

&&

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

.TODAY...Partly sunny. Highs around 47 at the shore and 51 to
56 inland. North winds 5 to 10 mph becoming northeast by late
morning, then becoming south by early afternoon becoming southwest
late. Waves calm to 1 foot.
.TONIGHT...Mostly cloudy. Lows around 40. West winds 5 to 10 mph
becoming northwest late. Waves calm to 1 foot.
.SUNDAY...Partly cloudy. Highs around 50 at the shore and 55 to
60 inland. Northwest winds up to 10 mph becoming southwest by mid
afternoon. Waves calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows around 39. West winds up to
10 mph. Waves calm to 1 foot.
.MEMORIAL DAY...Mostly sunny. Highs around 50 at the shore and 55 to
60 inland. West winds up to 5 mph becoming east late. Waves calm to
1 foot.
.MONDAY NIGHT...Partly cloudy. Lows around 40.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Highs around 51 at
the shore and 57 to 62 inland. Lows around 42.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 55 at the
shore and 62 to 67 inland. Lows around 45.
.FRIDAY...Sunny. Highs around 57 at the shore and 63 to 68 inland.

&&


$$