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MIZ001-012145-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
432 AM EDT Wed May 1 2024

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

.TODAY...Breezy. Mostly cloudy. Patchy fog early. Rain showers
early, then a chance of rain showers by late morning. A slight
chance of rain showers late. Highs around 43. Northeast winds 15 to
25 mph becoming north 15 to 20 mph by early afternoon, then becoming
northwest 10 to 15 mph late. Waves 2 to 3 feet building to 2 to
4 feet, then subsiding to 1 to 2 feet late.
.TONIGHT...Mostly cloudy through midnight then clearing. Lows around
37. Northwest winds 5 to 15 mph becoming north 5 to 10 mph late.
Waves subsiding to calm to 1 foot.
.THURSDAY...Partly cloudy through early afternoon, then mostly
cloudy with a 40 percent chance of rain showers by mid afternoon.
Highs 44 to 49. North winds 5 to 10 mph becoming northeast by late
morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Rain showers likely through midnight, then rain
showers late. Lows around 39. East winds 5 to 15 mph increasing to
15 to 20 mph late, then becoming southeast 10 to 20 mph late. Chance
of showers 80 percent. Waves building to 2 to 3 feet, then subsiding
to 1 to 2 feet.
.FRIDAY...Breezy, warmer. Partly sunny with a 40 percent chance of
rain showers through early afternoon, then sunny by mid afternoon.
Highs around 46 at the shore and 55 to 60 inland. South winds 10 to
20 mph becoming southwest 15 to 25 mph by late morning. Waves
building to 3 to 5 feet.
.FRIDAY NIGHT...Partly cloudy. Lows around 40.
.SATURDAY...Partly sunny. Highs 48 to 53.
.SATURDAY NIGHT THROUGH MONDAY...Partly cloudy. Lows around 40.
Highs 51 to 56.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy with a 50 percent chance
of rain showers. Lows around 42. Highs 50 to 55.

&&

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

.TODAY...Breezy, cloudy. Patchy fog through early afternoon. Rain
showers through early afternoon, then a chance of rain showers by
early afternoon. A slight chance of rain showers late. Highs around
42. East winds 15 to 25 mph becoming northwest 15 to 20 mph late.
Waves 3 to 5 feet building to 3 to 6 feet.
.TONIGHT...Mostly cloudy through midnight then clearing. Lows around
38. Northwest winds 5 to 15 mph becoming north 5 to 10 mph late.
Waves subsiding to calm to 1 foot.
.THURSDAY...Partly cloudy through early afternoon, then mostly
cloudy with a 40 percent chance of rain showers by mid afternoon.
Highs 42 to 47. North winds 5 to 10 mph becoming east by mid
afternoon. Waves calm to 1 foot.
.THURSDAY NIGHT...Rain showers likely through midnight, then rain
showers late. Lows around 38. East winds 5 to 15 mph becoming
southeast 10 to 20 mph late. Chance of showers 80 percent. Waves
building to 3 to 6 feet.
.FRIDAY...Breezy, warmer. Partly sunny with a 50 percent chance of
rain showers through early afternoon, then sunny by mid afternoon.
Highs around 47 at the shore and 52 to 57 inland. South winds 10 to
20 mph becoming southwest 15 to 25 mph by late morning. Waves 3 to
6 feet.
.FRIDAY NIGHT...Partly cloudy. Lows around 40.
.SATURDAY...Partly sunny. Highs 46 to 51.
.SATURDAY NIGHT THROUGH MONDAY...Partly cloudy. Lows around 40.
Highs around 48 at the shore and 50 to 55 inland.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy with a 40 percent chance
of rain showers. Lows around 42. Highs 47 to 52.

&&

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

.TODAY...Breezy, cloudy. Patchy fog early. Rain showers through
early afternoon. A chance of rain showers by early afternoon, then a
slight chance of rain showers late. Highs around 43. East winds
15 to 25 mph becoming northwest 15 to 20 mph late. Waves 2 to 4 feet
building to 3 to 5 feet, then subsiding to 2 to 3 feet.
.TONIGHT...Mostly cloudy through midnight then clearing. Lows around
37. Northwest winds 5 to 15 mph becoming 5 to 10 mph late. Waves
subsiding to calm to 1 foot.
.THURSDAY...Partly cloudy through early afternoon, then mostly
cloudy with a 30 percent chance of rain showers by mid afternoon.
Highs 43 to 48. North winds 5 to 10 mph becoming east by mid
afternoon. Waves calm to 1 foot.
.THURSDAY NIGHT...Rain showers likely through midnight, then rain
showers late. Lows around 38. East winds 5 to 15 mph becoming
southeast 10 to 20 mph late. Chance of showers 80 percent. Waves
building to 3 to 5 feet.
.FRIDAY...Breezy, warmer. Partly sunny with a 50 percent chance of
rain showers through early afternoon, then sunny by mid afternoon.
Highs around 46 at the shore and 53 to 58 inland. South winds 10 to
20 mph becoming southwest 15 to 25 mph by late morning. Waves 3 to
5 feet.
.FRIDAY NIGHT...Partly cloudy. Lows around 40.
.SATURDAY...Partly sunny. Highs 47 to 52.
.SATURDAY NIGHT THROUGH MONDAY...Partly cloudy. Lows around 40.
Highs 49 to 54.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy with a 40 percent chance
of rain showers. Lows around 41. Highs 48 to 53.

&&

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

.TODAY...Breezy. Mostly cloudy. Patchy fog early. Rain showers
through early afternoon, then a chance of rain showers by mid
afternoon. Highs around 43. East winds 20 to 25 mph becoming
northeast 15 to 20 mph by late morning, then becoming north by early
afternoon becoming northwest 10 to 15 mph late. Waves 3 to 5 feet
building to 3 to 6 feet.
.TONIGHT...Mostly cloudy through midnight then clearing. Lows around
38. Northwest winds 5 to 15 mph becoming north 5 to 10 mph late.
Waves subsiding to calm to 1 foot.
.THURSDAY...Partly cloudy through early afternoon, then mostly
cloudy with a 40 percent chance of rain showers by mid afternoon.
Highs 43 to 48. North winds 5 to 10 mph becoming east 5 to 15 mph by
late morning. Waves calm to 1 foot.
.THURSDAY NIGHT...Rain showers likely through midnight, then rain
showers late. Lows around 39. East winds 10 to 20 mph becoming
southeast late. Chance of showers 80 percent. Waves building to 3 to
5 feet.
.FRIDAY...Breezy, warmer. Partly sunny with a 40 percent chance of
rain showers through early afternoon, then sunny by mid afternoon.
Highs around 46 at the shore and 54 to 59 inland. South winds 10 to
20 mph becoming southwest 15 to 25 mph by late morning. Waves 3 to
5 feet.
.FRIDAY NIGHT...Partly cloudy. Lows around 40.
.SATURDAY...Partly sunny. Highs around 46 at the shore and 49 to
54 inland.
.SATURDAY NIGHT THROUGH MONDAY...Partly cloudy. Lows around 40.
Highs around 48 at the shore and 53 to 58 inland.
.MONDAY NIGHT AND TUESDAY...Mostly cloudy with a 50 percent chance
of rain showers. Lows around 42. Highs 49 to 54.

&&


$$