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SXUS43 KMQT 172101
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MIZ001-180800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Thu Jul 17 2025

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

.TONIGHT...Partly cloudy. Lows around 52. Southwest winds 5 to
15 mph. Waves 1 to 2 feet subsiding to calm to 1 foot.
.FRIDAY...A 20 percent chance of rain showers by mid afternoon.
Partly sunny. Highs around 58 at the shore and 66 to 71 inland.
Southwest winds 5 to 15 mph. Waves building to 1 to 2 feet, then
subsiding to calm to 1 foot.
.FRIDAY NIGHT...A slight chance of rain showers through midnight,
then a chance of rain showers late. Mostly cloudy. Lows around 55.
Southwest winds 5 to 10 mph becoming west late. Chance of showers
40 percent. Waves calm to 1 foot.
.SATURDAY...Warmer. Partly cloudy through early afternoon then
clearing. Highs around 64 at the shore and 72 to 77 inland.
Northwest winds up to 5 mph becoming southwest by mid afternoon.
Waves calm to 1 foot.
.SATURDAY NIGHT...Mostly clear. Lows around 57. West winds 5 to
10 mph becoming northwest late. Waves calm to 1 foot.
.SUNDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 65 at the shore and 74 to 79 inland.
.SUNDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows around 57.
.MONDAY...Partly cloudy. Highs around 65 at the shore and 74 to
79 inland.
.MONDAY NIGHT...Partly cloudy through midnight, then mostly cloudy
with a chance of rain showers late. Lows 57 to 62. Chance of showers
40 percent.
.TUESDAY...Partly cloudy. Highs around 67 at the shore and 75 to
80 inland.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 58 to
63. Highs around 68 at the shore and 76 to 81 inland.
.THURSDAY...Partly cloudy. Highs around 67 at the shore and 75 to
80 inland.

&&

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

.TONIGHT...Partly cloudy. Lows around 51. Southwest winds 5 to
15 mph. Waves 1 to 2 feet subsiding to calm to 1 foot.
.FRIDAY...A 20 percent chance of rain showers by mid afternoon.
Partly sunny. Highs around 55 at the shore and 63 to 68 inland.
Southwest winds 5 to 15 mph. Waves building to 1 to 2 feet, then
subsiding to calm to 1 foot.
.FRIDAY NIGHT...A slight chance of rain showers through midnight,
then a chance of rain showers late. Mostly cloudy. Lows 50 to 55.
Southwest winds 5 to 15 mph becoming west 5 to 10 mph late. Chance
of showers 30 percent. Waves calm to 1 foot.
.SATURDAY...Partly sunny through early afternoon then becoming
mostly sunny. Highs around 57 at the shore and 68 to 73 inland. West
winds up to 5 mph becoming southwest by mid afternoon. Waves calm to
1 foot.
.SATURDAY NIGHT...Partly cloudy. Lows 51 to 56. West winds 5 to
10 mph becoming northwest late. Waves calm to 1 foot.
.SUNDAY...Partly cloudy. Highs around 58 at the shore and 69 to
74 inland.
.SUNDAY NIGHT...Mostly cloudy. Lows 51 to 56.
.MONDAY...Partly cloudy. Highs around 57 at the shore and 68 to
73 inland.
.MONDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
54 to 59 inland and around 52 at the shore. Chance of showers
30 percent.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Highs around 60 at
the shore and 71 to 76 inland. Lows 54 to 59.
.THURSDAY...Partly cloudy. Highs around 61 at the shore and 70 to
75 inland.

&&

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

.TONIGHT...Partly cloudy. Lows around 52. Southwest winds 5 to
15 mph. Waves 1 to 2 feet subsiding to calm to 1 foot.
.FRIDAY...Partly sunny. Highs around 57 at the shore and 66 to
71 inland. Southwest winds 5 to 15 mph. Waves building to 1 to
2 feet.
.FRIDAY NIGHT...A slight chance of rain showers through midnight,
then a chance of rain showers late. Mostly cloudy. Lows 51 to 56.
Southwest winds 5 to 15 mph. Chance of showers 30 percent. Waves
subsiding to calm to 1 foot.
.SATURDAY...Partly cloudy through early afternoon then clearing.
Highs around 60 at the shore and 72 to 77 inland. West winds 5 to
10 mph becoming southwest by mid afternoon. Waves calm to 1 foot.
.SATURDAY NIGHT...Partly cloudy. Lows 53 to 58. West winds 5 to
10 mph becoming northwest late. Waves calm to 1 foot.
.SUNDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 62 at the shore and 73 to 78 inland.
.SUNDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 52 to 57.
.MONDAY...Partly cloudy. Highs around 59 at the shore and 72 to
77 inland.
.MONDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
56 to 61 inland and around 51 at the shore. Chance of showers
30 percent.
.TUESDAY THROUGH WEDNESDAY NIGHT...Mostly cloudy. Highs around 63 at
the shore and 75 to 80 inland. Lows 57 to 62 inland and around 52 at
the shore.
.THURSDAY...Partly cloudy. Highs around 64 at the shore and 74 to
79 inland.

&&

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

.TONIGHT...Partly cloudy. Lows around 51. Southwest winds 5 to
15 mph. Waves 1 to 2 feet subsiding to calm to 1 foot.
.FRIDAY...A 20 percent chance of rain showers by mid afternoon.
Partly sunny. Highs around 57 at the shore and 65 to 70 inland.
Southwest winds 5 to 15 mph. Waves calm to 1 foot.
.FRIDAY NIGHT...A slight chance of rain showers through midnight,
then a chance of rain showers late. Mostly cloudy. Lows around 55.
Southwest winds 5 to 10 mph becoming west late. Chance of showers
40 percent. Waves calm to 1 foot.
.SATURDAY...Warmer. Partly cloudy. Highs around 62 at the shore and
73 to 78 inland. Northwest winds up to 5 mph becoming southwest by
mid afternoon. Waves calm to 1 foot.
.SATURDAY NIGHT...Partly cloudy. Lows 54 to 59. West winds 5 to
10 mph becoming northwest late. Waves calm to 1 foot.
.SUNDAY...Sunny through early afternoon then becoming partly cloudy.
Highs around 63 at the shore and 74 to 79 inland.
.SUNDAY NIGHT...Mostly cloudy. Lows around 56.
.MONDAY...Partly cloudy. Highs around 62 at the shore and 74 to
79 inland.
.MONDAY NIGHT...A chance of rain showers late. Mostly cloudy. Lows
around 58. Chance of showers 40 percent.
.TUESDAY...Partly cloudy. Highs around 65 at the shore and 75 to
80 inland.
.TUESDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly cloudy. Lows 57 to
62. Highs around 66 at the shore and 76 to 81 inland.
.THURSDAY...Partly cloudy. Highs around 65 at the shore and 76 to
81 inland.

&&


$$