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SXUS43 KMQT 222101
RECMQT

MIZ001-230800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 PM EDT Fri Aug 22 2025

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

.TONIGHT...Mostly cloudy through midnight then becoming partly
cloudy. A slight chance of rain showers and thunderstorms early in
the evening, then a chance of rain showers and thunderstorms by
midnight. A slight chance of rain showers and thunderstorms late.
Lows around 60. Southwest winds 10 to 15 mph becoming west late.
Waves 1 to 2 feet.
.SATURDAY...Mostly sunny. Highs around 68. West winds 10 to 20 mph.
Waves building to 2 to 3 feet.
.SATURDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 55. Northwest winds 10 to 20 mph. Waves
2 to 3 feet.
.SUNDAY...Breezy. Mostly cloudy with a 20 percent chance of rain
showers. Highs around 63. Northwest winds 15 to 25 mph. Waves
building to 2 to 4 feet.
.SUNDAY NIGHT...Breezy. Mostly cloudy. Lows around 54. Northwest
winds 15 to 25 mph. Waves 2 to 4 feet.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs around 65. Lows
around 54.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Highs around 68. Lows
around 59.
.WEDNESDAY THROUGH FRIDAY...Partly cloudy. Highs 68 to 73. Lows
around 58.

&&

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

.TONIGHT...Mostly cloudy through midnight then becoming partly
cloudy. A chance of rain showers through midnight. A slight chance
of thunderstorms. A slight chance of rain showers late. Lows around
60. Southwest winds 5 to 15 mph becoming northwest 10 to 15 mph
late. Waves 1 to 2 feet.
.SATURDAY...Mostly sunny. Highs around 66. West winds 10 to 20 mph.
Waves building to 2 to 3 feet, then subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 55. Northwest winds 10 to 20 mph. Waves
building to 2 to 3 feet.
.SUNDAY...A 20 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs 59 to 64. Northwest winds 15 to 20 mph. Waves
2 to 3 feet.
.SUNDAY NIGHT...A 20 percent chance of rain showers through
midnight. Mostly cloudy. Lows around 54. Northwest winds 15 to
20 mph. Waves 2 to 3 feet.
.MONDAY...Partly sunny. Highs 60 to 65.
.MONDAY NIGHT...Partly cloudy. Lows around 55.
.TUESDAY...Sunny. Highs 64 to 69.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows around 59. Highs
65 to 70.

&&

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

.TONIGHT...Mostly cloudy through midnight then becoming partly
cloudy. A chance of showers through midnight. A slight chance of
thunderstorms. A slight chance of showers late. Lows around 60.
Southwest winds 10 to 15 mph becoming west late. Waves calm to
1 foot building to 1 to 2 feet.
.SATURDAY...Mostly sunny. Highs around 67. West winds 15 to 20 mph.
Waves building to 2 to 3 feet subsiding to 1 to 2 feet.
.SATURDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 56. Northwest winds 10 to 20 mph. Waves
building to 2 to 3 feet.
.SUNDAY...Breezy. A 20 percent chance of rain showers by mid
afternoon. Mostly cloudy. Highs 60 to 65. Northwest winds 15 to
25 mph. Waves building to 2 to 4 feet.
.SUNDAY NIGHT...Breezy. A 20 percent chance of rain showers through
midnight. Mostly cloudy. Lows around 54. Northwest winds 15 to
25 mph. Waves 2 to 4 feet.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 62 to 67. Lows
around 55.
.TUESDAY...Sunny. Highs 66 to 71.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows around 59. Highs
67 to 72.

&&

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

.TONIGHT...Mostly cloudy through midnight then becoming partly
cloudy. A slight chance of rain showers and thunderstorms early in
the evening, then a chance of rain showers and thunderstorms by
midnight. A slight chance of rain showers and thunderstorms late.
Lows around 60. West winds 10 to 15 mph. Waves 1 to 2 feet.
.SATURDAY...Mostly sunny. Highs around 68. West winds 10 to 20 mph.
Waves building to 2 to 3 feet.
.SATURDAY NIGHT...Partly cloudy through midnight then becoming
mostly cloudy. Lows around 55. Northwest winds 10 to 20 mph. Waves
subsiding to 1 to 2 feet.
.SUNDAY...Mostly cloudy with a 20 percent chance of rain showers.
Highs 60 to 65. Northwest winds 15 to 20 mph. Waves 1 to 2 feet.
.SUNDAY NIGHT...A 20 percent chance of rain showers through
midnight. Mostly cloudy. Lows around 54. Northwest winds 15 to
20 mph. Waves 1 to 2 feet.
.MONDAY AND MONDAY NIGHT...Partly cloudy. Highs 62 to 67. Lows
around 54.
.TUESDAY...Sunny. Highs 65 to 70.
.TUESDAY NIGHT THROUGH FRIDAY...Partly cloudy. Lows around 58. Highs
around 66 at the shore and 68 to 73 inland.

&&


$$