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SXUS43 KMQT 192101
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MIZ001-200800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Sat Jul 19 2025

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

.TONIGHT...Partly cloudy. Areas of smoke by midnight. Lows around
56. Southwest winds 5 to 10 mph becoming northwest late. Waves calm
to 1 foot.
.SUNDAY...Mostly sunny. Areas of smoke. Highs around 65 at the shore
and 75 to 80 inland. Northwest winds up to 10 mph becoming southwest
by mid afternoon. Waves calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Areas of smoke. Lows around 57.
Southwest winds up to 5 mph. Waves calm to 1 foot.
.MONDAY...Partly cloudy. Highs around 65 at the shore and 73 to
78 inland. Southeast winds up to 5 mph becoming east by mid
afternoon. Waves calm to 1 foot.
.MONDAY NIGHT...A slight chance of rain showers through midnight,
then a chance of rain showers and a slight chance of thunderstorms
late. Mostly cloudy. Lows around 57. Southeast winds 5 to 10 mph
becoming 5 to 15 mph late. Chance of precipitation 30 percent. Waves
building to 1 to 2 feet.
.TUESDAY...A chance of rain showers and thunderstorms by mid
afternoon. Partly sunny. Highs around 67 at the shore and 75 to
80 inland. Chance of precipitation 40 percent.
.TUESDAY NIGHT...Showers likely and a chance of thunderstorms. Lows
58 to 63. Chance of precipitation 70 percent.
.WEDNESDAY...Partly sunny with a 40 percent chance of showers. Highs
around 68 at the shore and 76 to 81 inland.
.WEDNESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 59. Chance of showers 30 percent.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 67 at the
shore and 75 to 80 inland. Lows around 59.
.FRIDAY...Sunny. Highs around 67 at the shore and 76 to 81 inland.
.FRIDAY NIGHT AND SATURDAY...Partly cloudy. Lows around 59. 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. Areas of smoke late. Lows 52 to 57. West
winds 5 to 10 mph becoming northwest late. Waves calm to 1 foot.
.SUNDAY...Mostly sunny. Areas of smoke. Highs around 58 at the shore
and 69 to 74 inland. Northwest winds 5 to 10 mph becoming southwest
by mid afternoon. Waves calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Areas of smoke. Lows 51 to 56.
Southwest winds up to 10 mph becoming west late, then becoming
southwest late. Waves calm to 1 foot.
.MONDAY...Partly cloudy. Highs around 56 at the shore and 66 to
71 inland. Southeast winds up to 5 mph becoming up to 10 mph by mid
afternoon. Waves calm to 1 foot.
.MONDAY NIGHT...A 20 percent chance of rain showers late. Mostly
cloudy. Lows 53 to 58 inland and around 50 at the shore. Southeast
winds 5 to 15 mph. Waves building to 1 to 2 feet.
.TUESDAY...A chance of rain showers and thunderstorms by mid
afternoon. Partly sunny. Highs around 60 at the shore and 69 to
74 inland. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Rain showers likely and a chance of thunderstorms.
Lows 56 to 61 inland and around 53 at the shore. Chance of
precipitation 70 percent.
.WEDNESDAY...Mostly cloudy with a 40 percent chance of rain showers.
Highs around 61 at the shore and 70 to 75 inland.
.WEDNESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows 55 to 60 inland and around 52 at the shore. Chance of
showers 30 percent.
.THURSDAY...Partly sunny. Highs around 60 at the shore and 71 to
76 inland.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows 53 to 58. Highs
around 60 at the shore and 71 to 76 inland.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows 53 to 58. Highs
around 59 at the shore and 69 to 74 inland.

&&

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

.TONIGHT...Partly cloudy. Areas of smoke by midnight. Lows 53 to 58.
West winds 5 to 10 mph becoming northwest late. Waves calm to
1 foot.
.SUNDAY...Mostly sunny. Areas of smoke. Highs around 61 at the shore
and 74 to 79 inland. Northwest winds 5 to 10 mph becoming southwest
by mid afternoon. Waves calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Areas of smoke through midnight. Lows
52 to 57. West winds up to 10 mph. Waves calm to 1 foot.
.MONDAY...Partly cloudy. Highs around 59 at the shore and 69 to
74 inland. South winds up to 5 mph becoming southeast by late
morning. Waves calm to 1 foot.
.MONDAY NIGHT...A 20 percent chance of rain showers late. Mostly
cloudy. Lows 54 to 59 inland and around 50 at the shore. Southeast
winds 5 to 15 mph. Waves building to 1 to 2 feet.
.TUESDAY...A chance of rain showers and thunderstorms by mid
afternoon. Partly sunny. Highs around 62 at the shore and 73 to
78 inland. Chance of precipitation 30 percent.
.TUESDAY NIGHT...Rain showers likely and a chance of thunderstorms.
Lows 57 to 62 inland and around 53 at the shore. Chance of
precipitation 70 percent.
.WEDNESDAY...Partly sunny with a 30 percent chance of rain showers.
Highs around 63 at the shore and 74 to 79 inland.
.WEDNESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows 54 to 59. Chance of showers 30 percent.
.THURSDAY THROUGH FRIDAY...Partly cloudy. Highs around 63 at the
shore and 74 to 79 inland. Lows 54 to 59.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. Lows 56 to 61 inland and
around 52 at the shore. Highs around 62 at the shore and 72 to
77 inland.

&&

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

.TONIGHT...Partly cloudy. Areas of smoke by midnight. Lows 53 to 58.
West winds 5 to 10 mph becoming northwest late. Waves calm to
1 foot.
.SUNDAY...Mostly sunny. Areas of smoke. Highs around 62 at the shore
and 75 to 80 inland. Northwest winds 5 to 10 mph becoming southwest
by mid afternoon. Waves calm to 1 foot.
.SUNDAY NIGHT...Partly cloudy. Areas of smoke. Lows around 56.
Southwest winds up to 5 mph. Waves calm to 1 foot.
.MONDAY...Partly cloudy. Highs around 62 at the shore and 72 to
77 inland. Southeast winds up to 5 mph becoming east by mid
afternoon. Waves calm to 1 foot.
.MONDAY NIGHT...A slight chance of rain showers through midnight,
then a chance of rain showers and a slight chance of thunderstorms
late. Mostly cloudy. Lows around 57. Southeast winds 5 to 15 mph.
Chance of precipitation 30 percent. Waves building to 1 to 2 feet.
.TUESDAY...A chance of rain showers and thunderstorms by mid
afternoon. Partly sunny. Highs around 66 at the shore and 76 to
81 inland. Chance of precipitation 40 percent.
.TUESDAY NIGHT...Rain showers likely through midnight, then rain
showers likely and a chance of thunderstorms late. Lows 58 to 63.
Chance of precipitation 70 percent.
.WEDNESDAY...Mostly cloudy with a 40 percent chance of rain showers.
Highs around 66 at the shore and 76 to 81 inland.
.WEDNESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows 56 to 61. Chance of showers 30 percent.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 65 at the
shore and 75 to 80 inland. Lows around 58.
.FRIDAY...Sunny. Highs around 66 at the shore and 76 to 81 inland.
.FRIDAY NIGHT...Partly cloudy through midnight then becoming mostly
cloudy. Lows 56 to 61.
.SATURDAY...Partly sunny. Highs around 65 at the shore and 75 to
80 inland.

&&


$$