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SXUS43 KMQT 062103
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MIZ001-070800-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
502 PM EDT Sun Sep 6 2026

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

.TONIGHT...Partly cloudy early in the evening then becoming mostly
cloudy. Lows around 61. East winds up to 10 mph becoming northeast
late. Waves calm to 1 foot.
.LABOR DAY...A 20 percent chance of rain showers through early
afternoon. Mostly cloudy. Highs 68 to 73. East winds 5 to 15 mph.
Waves building to 1 to 2 feet.
.MONDAY NIGHT...Breezy. A chance of showers through midnight, then
showers and a slight chance of thunderstorms late. Lows around 61.
East winds 10 to 15 mph becoming southeast 10 to 20 mph by midnight,
then becoming south 15 to 25 mph late. Chance of precipitation near
100 percent. Waves building to 3 to 5 feet.
.TUESDAY...Breezy. Showers and a slight chance of thunderstorms
through early afternoon, then a slight chance of showers and
thunderstorms by mid afternoon. Mostly cloudy. Highs around 67 at
the shore and 70 to 75 inland. South winds 15 to 25 mph. Chance of
precipitation 90 percent. Waves building to 3 to 6 feet.
.TUESDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of
showers through midnight, then partly cloudy late. Lows around 61.
Southwest winds 15 to 25 mph. Waves building to 4 to 7 feet.
.WEDNESDAY AND WEDNESDAY NIGHT...Breezy. Partly cloudy. Highs around
66 at the shore and 68 to 73 inland. Lows around 54.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs 64 to 69. Lows
around 58.
.FRIDAY...Partly cloudy. Highs around 69 at the shore and 71 to
76 inland.
.FRIDAY NIGHT...Mostly cloudy. Lows around 58.
.SATURDAY...Partly cloudy. Highs 66 to 71.
.SATURDAY NIGHT AND SUNDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 55. Highs 63 to 68.

&&

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

.TONIGHT...Mostly cloudy. Lows around 58. Southeast winds up to
10 mph becoming east late. Waves calm to 1 foot.
.LABOR DAY...Mostly cloudy with a 20 percent chance of rain showers.
Highs 63 to 68. East winds 5 to 15 mph. Waves building to 2 to
3 feet.
.MONDAY NIGHT...A chance of rain showers through midnight, then rain
showers late. Lows around 59. East winds 10 to 20 mph becoming south
late. Chance of showers near 100 percent. Waves building to 3 to
5 feet.
.TUESDAY...Breezy. Rain showers and a slight chance of thunderstorms
through early afternoon, then a slight chance of rain showers and
thunderstorms by mid afternoon. Cloudy. Highs 65 to 70. South winds
10 to 20 mph. Chance of precipitation 90 percent. Waves building to
3 to 6 feet.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
showers through midnight, then partly cloudy late. Lows around 59.
Southwest winds 10 to 20 mph. Waves 3 to 5 feet.
.WEDNESDAY THROUGH THURSDAY...Breezy. Partly cloudy. Highs around
61 at the shore and 65 to 70 inland. Lows around 53.
.THURSDAY NIGHT AND FRIDAY...Partly cloudy. Lows around 57. Highs
around 64 at the shore and 67 to 72 inland.
.FRIDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 56. Chance of showers 30 percent.
.SATURDAY...Partly cloudy. Highs around 62 at the shore and 65 to
70 inland.
.SATURDAY NIGHT AND SUNDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 54. Highs around 59 at the shore and
61 to 66 inland.

&&

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

.TONIGHT...Partly cloudy early in the evening then becoming mostly
cloudy. Lows around 60. Southeast winds 5 to 10 mph becoming east
late. Waves calm to 1 foot.
.LABOR DAY...Cloudy with a 20 percent chance of rain showers. Highs
66 to 71. East winds 5 to 15 mph. Waves building to 2 to 3 feet.
.MONDAY NIGHT...Breezy. A chance of rain showers through midnight,
then rain showers late. Lows around 60. Southeast winds 10 to
20 mph. Chance of showers near 100 percent. Waves building to 2 to
4 feet.
.TUESDAY...Breezy. Rain showers and a slight chance of thunderstorms
through early afternoon, then a slight chance of rain showers and
thunderstorms by mid afternoon. Mostly cloudy. Highs around 66 at
the shore and 69 to 74 inland. South winds 15 to 25 mph. Chance of
precipitation 90 percent. Waves building to 3 to 5 feet.
.TUESDAY NIGHT...Mostly cloudy with a 20 percent chance of showers
through midnight, then partly cloudy late. Lows around 61. Southwest
winds 10 to 20 mph becoming 15 to 20 mph late. Waves subsiding to
2 to 3 feet building to 3 to 5 feet.
.WEDNESDAY AND WEDNESDAY NIGHT...Breezy. Partly cloudy. Highs around
65 at the shore and 68 to 73 inland. Lows around 54.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 63 at the
shore and 65 to 70 inland. Lows around 58.
.FRIDAY...Partly cloudy. Highs around 65 at the shore and 70 to
75 inland.
.FRIDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 57. Chance of showers 30 percent.
.SATURDAY...Partly cloudy. Highs around 63 at the shore and 67 to
72 inland.
.SATURDAY NIGHT AND SUNDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 55. Highs around 62 at the shore and
64 to 69 inland.

&&

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

.TONIGHT...Mostly cloudy. Patchy fog late. Lows 57 to 62. East winds
up to 10 mph. Waves calm to 1 foot.
.LABOR DAY...A 20 percent chance of rain showers through early
afternoon. Cloudy. Highs 66 to 71. East winds 5 to 15 mph. Waves
building to 1 to 2 feet.
.MONDAY NIGHT...Breezy. A chance of rain showers through midnight,
then rain showers and a slight chance of thunderstorms late. Lows
58 to 63. East winds 10 to 15 mph becoming southeast 10 to 20 mph by
midnight, then becoming south 15 to 25 mph late. Chance of
precipitation near 100 percent. Waves building to 3 to 5 feet.
.TUESDAY...Breezy. Rain showers and a slight chance of thunderstorms
through early afternoon, then a slight chance of rain showers and
thunderstorms by mid afternoon. Cloudy. Highs around 65 at the shore
and 69 to 74 inland. South winds 15 to 25 mph. Chance of
precipitation 90 percent. Waves building to 3 to 6 feet.
.TUESDAY NIGHT...Breezy. Mostly cloudy with a 20 percent chance of
rain showers through midnight, then partly cloudy late. Lows 58 to
63. Southwest winds 10 to 20 mph. Waves building to 4 to 7 feet.
.WEDNESDAY AND WEDNESDAY NIGHT...Breezy. Partly cloudy. Highs around
63 at the shore and 67 to 72 inland. Lows around 53.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Highs around 60 at the
shore and 64 to 69 inland. Lows around 57.
.FRIDAY...Warmer. Partly cloudy. Highs around 64 at the shore and
70 to 75 inland.
.FRIDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 57. Chance of showers 30 percent.
.SATURDAY...Partly cloudy. Highs around 61 at the shore and 66 to
71 inland.
.SATURDAY NIGHT AND SUNDAY...A 30 percent chance of rain showers.
Mostly cloudy. Lows around 54. Highs around 58 at the shore and
63 to 68 inland.

&&


$$