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SXUS43 KMQT 180901
RECMQT

MIZ001-182000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
501 AM EDT Sat Oct 18 2025

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

.TODAY...Mostly sunny. Highs 57 to 62. West winds 5 to 10 mph
becoming 5 to 15 mph by mid afternoon. Waves 2 to 3 feet subsiding
to 1 to 2 feet.
.TONIGHT...A chance of rain showers through midnight, then a slight
chance of rain showers late. Mostly cloudy. Lows around 46.
Northwest winds 5 to 15 mph. Chance of showers 30 percent. Waves
subsiding to calm to 1 foot building to 1 to 2 feet.
.SUNDAY...Partly cloudy. Highs around 52. Northwest winds 5 to
15 mph increasing to 10 to 20 mph by late morning. Waves building to
2 to 3 feet.
.SUNDAY NIGHT...Partly cloudy. Lows around 44. Northwest winds 5 to
15 mph becoming west 5 to 10 mph late. Waves subsiding to calm to
1 foot.
.MONDAY...A slight chance of rain showers through early afternoon,
then a chance of rain showers by mid afternoon. Mostly cloudy. Highs
around 52. South winds 5 to 10 mph becoming southeast 10 to 15 mph
by late morning. Chance of showers 50 percent. Waves building to
1 to 2 feet.
.MONDAY NIGHT...Rain showers likely. Lows around 44. Chance of
showers 70 percent.
.TUESDAY...Breezy. Rain showers likely. Highs around 47. Chance of
showers 70 percent.
.TUESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 40. Chance of showers 40 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Highs around 47.
Lows around 41.
.THURSDAY...Partly cloudy. Highs around 50.
.THURSDAY NIGHT...Mostly cloudy through midnight then becoming
partly cloudy. Lows around 44.
.FRIDAY...Warmer. Partly cloudy. Highs 54 to 59.

&&

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

.TODAY...Mostly sunny. Highs 55 to 60. West winds 5 to 10 mph. Waves
1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...A slight chance of rain showers through midnight, then a
chance of rain showers late. Mostly cloudy. Lows around 47.
Northwest winds 5 to 15 mph. Chance of showers 30 percent. Waves
building to 1 to 2 feet.
.SUNDAY...Partly sunny. Highs around 51. Northwest winds 5 to 15 mph
increasing to 15 to 20 mph by late morning. Waves building to 2 to
3 feet.
.SUNDAY NIGHT...Partly cloudy. Lows around 45. Northwest winds 5 to
15 mph becoming west 5 to 10 mph late. Waves subsiding to calm to
1 foot.
.MONDAY...A 50 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 51. Southwest winds 5 to 10 mph becoming
southeast 10 to 15 mph late. Waves building to 2 to 3 feet.
.MONDAY NIGHT...Rain showers through midnight, then rain showers
likely late. Lows around 45. Chance of showers 80 percent.
.TUESDAY...Breezy. Rain showers likely. Highs around 47. Chance of
showers 70 percent.
.TUESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 40. Chance of showers 40 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Highs around 45.
Lows around 41.
.THURSDAY...Partly cloudy. Highs around 48.
.THURSDAY NIGHT AND FRIDAY...Mostly cloudy. Lows around 44. Highs
52 to 57.

&&

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

.TODAY...Mostly sunny. Highs around 57 at the shore and 59 to
64 inland. West winds 5 to 10 mph becoming 5 to 15 mph by mid
afternoon. Waves 1 to 2 feet subsiding to calm to 1 foot.
.TONIGHT...A slight chance of rain showers through midnight, then a
chance of rain showers late. Mostly cloudy. Lows around 47.
Northwest winds 5 to 15 mph. Chance of showers 30 percent. Waves
building to 1 to 2 feet.
.SUNDAY...Partly cloudy. Highs around 52. Northwest winds 10 to
20 mph. Waves building to 2 to 3 feet.
.SUNDAY NIGHT...Partly cloudy. Lows around 45. Northwest winds 5 to
15 mph becoming west 5 to 10 mph late. Waves subsiding to calm to
1 foot.
.MONDAY...A 50 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 52. Southwest winds 5 to 10 mph becoming
southeast 10 to 15 mph late. Waves building to 2 to 3 feet.
.MONDAY NIGHT...Rain showers likely. Lows around 45. Chance of
showers 70 percent.
.TUESDAY...Breezy. Rain showers likely. Highs around 48. Chance of
showers 70 percent.
.TUESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 40. Chance of showers 40 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Highs around 47.
Lows around 41.
.THURSDAY...Partly cloudy. Highs around 50.
.THURSDAY NIGHT...Mostly cloudy. Lows around 44.
.FRIDAY...Warmer. Partly cloudy. Highs 54 to 59.

&&

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

.TODAY...Mostly sunny. Highs 56 to 61. West winds 5 to 10 mph
becoming 5 to 15 mph late. Waves 2 to 3 feet subsiding to 1 to
2 feet.
.TONIGHT...Mostly cloudy with a 20 percent chance of rain showers.
Lows around 46. Northwest winds 5 to 15 mph. Waves subsiding to calm
to 1 foot.
.SUNDAY...Partly cloudy. Highs around 51. Northwest winds 5 to
15 mph increasing to 10 to 20 mph by mid afternoon. Waves calm to
1 foot.
.SUNDAY NIGHT...Partly cloudy. Lows around 44. Northwest winds 5 to
15 mph becoming west 5 to 10 mph late. Waves calm to 1 foot.
.MONDAY...A slight chance of rain showers through early afternoon,
then a chance of rain showers by mid afternoon. Mostly cloudy. Highs
around 52. South winds 5 to 10 mph becoming southeast 10 to 15 mph
by late morning. Chance of showers 50 percent. Waves building to
2 to 3 feet.
.MONDAY NIGHT...Rain showers likely. Lows around 44. Chance of
showers 70 percent.
.TUESDAY...Rain showers likely. Highs around 46. Chance of showers
70 percent.
.TUESDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 40. Chance of showers 40 percent.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Highs around 46.
Lows around 41.
.THURSDAY...Partly cloudy. Highs around 49.
.THURSDAY NIGHT...Mostly cloudy. Lows around 44.
.FRIDAY...Warmer. Partly cloudy. Highs 53 to 58.

&&


$$