764
SXUS43 KMQT 040901
RECMQT

MIZ001-042000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Sat Oct 4 2025

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

.TODAY...Unseasonably warm. Partly cloudy. Patchy fog early. Highs
around 68 at the shore and 76 to 81 inland. South winds 5 to 15 mph.
Waves 1 to 2 feet building to 2 to 3 feet.
.TONIGHT...Partly cloudy. Lows around 63. South winds 10 to 20 mph.
Waves building to 2 to 4 feet.
.SUNDAY...Breezy. A 20 percent chance of showers by mid afternoon.
Sunny. Highs around 67 at the shore and 71 to 76 inland. South winds
15 to 25 mph. Waves building to 4 to 7 feet.
.SUNDAY NIGHT...Breezy. A 30 percent chance of rain showers through
midnight. Partly cloudy. Lows around 49. Southwest winds 15 to
25 mph becoming northwest 10 to 20 mph late. Waves subsiding to 2 to
4 feet.
.MONDAY...Much cooler. Mostly sunny. Highs around 56. Northwest
winds 10 to 15 mph becoming southwest 5 to 15 mph by mid afternoon.
Waves subsiding to calm to 1 foot building to 2 to 3 feet.
.MONDAY NIGHT...Partly cloudy. Lows around 47.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs around 54. Lows
around 44.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 49. Highs
around 59.
.THURSDAY NIGHT...Mostly cloudy. Lows around 52.
.FRIDAY...Partly cloudy. Highs around 60.

&&

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

.TODAY...Warmer. Partly sunny early then clearing. Patchy fog early.
Highs around 63 at the shore and 72 to 77 inland. South winds 5 to
15 mph. Waves 2 to 3 feet building to 2 to 4 feet.
.TONIGHT...Partly cloudy. Lows 59 to 64. South winds 10 to 20 mph.
Waves building to 3 to 5 feet.
.SUNDAY...Breezy. A 20 percent chance of rain showers by mid
afternoon. Sunny. Highs around 65 at the shore and 69 to 74 inland.
South winds 15 to 25 mph. Waves building to 4 to 7 feet.
.SUNDAY NIGHT...Breezy. A 30 percent chance of rain showers through
midnight. Partly cloudy. Lows around 49. Southwest winds 15 to
25 mph becoming northwest 10 to 20 mph late. Waves subsiding to 2 to
4 feet.
.MONDAY...Cooler. Partly cloudy. Highs around 55. Northwest winds
10 to 15 mph becoming southwest late. Waves subsiding to calm to
1 foot building to 1 to 2 feet.
.MONDAY NIGHT...Partly cloudy. Lows around 46.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs around 53. Lows
around 44.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 48. Highs
around 58.
.THURSDAY NIGHT...Mostly cloudy. Lows around 51.
.FRIDAY...Partly cloudy. Highs around 58.

&&

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

.TODAY...Unseasonably warm. Partly cloudy through early afternoon
then clearing. Patchy fog early. Highs around 67 at the shore and
76 to 81 inland. South winds 5 to 15 mph. Waves 1 to 2 feet building
to 2 to 3 feet.
.TONIGHT...Partly cloudy. Lows 61 to 66. South winds 10 to 20 mph.
Waves 2 to 3 feet.
.SUNDAY...Breezy. A 20 percent chance of showers by mid afternoon.
Sunny. Highs around 66 at the shore and 72 to 77 inland. South winds
15 to 25 mph. Waves building to 2 to 4 feet.
.SUNDAY NIGHT...Breezy. A 30 percent chance of rain showers through
midnight. Partly cloudy. Lows around 49. Southwest winds 20 to
25 mph becoming northwest 15 to 20 mph late. Waves building to 3 to
6 feet subsiding to 2 to 3 feet.
.MONDAY...Much cooler. Mostly sunny. Highs around 56. Northwest
winds 10 to 15 mph becoming west by mid afternoon. Waves subsiding
to calm to 1 foot building to 1 to 2 feet.
.MONDAY NIGHT...Partly cloudy. Lows around 46.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs around 53. Lows
around 44.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 49. Highs
around 59.
.THURSDAY NIGHT...Mostly cloudy. Lows around 52.
.FRIDAY...Partly cloudy. Highs around 59.

&&

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

.TODAY...Unseasonably warm. Partly sunny early then clearing. Patchy
fog early. Highs around 65 at the shore and 75 to 80 inland. South
winds 5 to 15 mph. Waves 1 to 2 feet building to 2 to 4 feet.
.TONIGHT...Partly cloudy. Lows around 62. South winds 10 to 20 mph.
Waves 2 to 3 feet.
.SUNDAY...Breezy. A 20 percent chance of showers by mid afternoon.
Sunny. Highs around 66 at the shore and 70 to 75 inland. South winds
15 to 25 mph. Waves building to 5 to 8 feet.
.SUNDAY NIGHT...Breezy. A 30 percent chance of rain showers through
midnight. Partly cloudy. Lows around 49. Southwest winds 15 to
25 mph becoming west 10 to 20 mph by midnight, then becoming
northwest 10 to 15 mph late. Waves subsiding to 2 to 3 feet.
.MONDAY...Much cooler. Partly cloudy. Highs around 55. Northwest
winds 10 to 15 mph becoming west 5 to 15 mph by mid afternoon. Waves
subsiding to calm to 1 foot building to 1 to 2 feet.
.MONDAY NIGHT...Partly cloudy. Lows around 47.
.TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs around 53. Lows
around 44.
.WEDNESDAY NIGHT AND THURSDAY...Mostly clear. Lows around 49. Highs
around 58.
.THURSDAY NIGHT...Mostly cloudy. Lows around 51.
.FRIDAY...Partly cloudy. Highs around 59.

&&


$$