Water Temperature of Lake Superior Near Isle Royale, MI

Current Water Temperature

42.3°F

Measurement Time: Tuesday, November 7, 2023, 12:56 AM EST

Temperature Locations

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Local Points of Interest

Isle Royale National Park; Blake Point

Lake Superior

Station Name: Isle of Royale East, MI (230)
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 587 feet

Nearest Address:
Offshore
Isle Royale, MI

GPS Coordinates: 48.034, -87.73

Nearby Water Temperatures

Lake Superior, Terrace Bay Township, ON (50.1 mi)
Lake Superior, Copper Harbor, MI (61.5 mi)
Washington Creek, Windigo, MI (65.9 mi)
Lake Superior, Calumet, MI (66.7 mi)
Pilgrim River, Houghton, MI (76 mi)
Keweenaw Bay, Jacobsville, MI (79.9 mi)
East Branch Salmon Trout River, Powell, MI (86.4 mi)
Salmon Trout River, Champion, MI (86.8 mi)
Grand Portage River, Grand Portage, MN (90.4 mi)
Falls River, L'Anse, MI (95.8 mi)
Sturgeon River, Pelkie, MI (100.4 mi)
Lake Superior, Marquette, MI (104.1 mi)
Middle Branch Escanaba River, , MI (106.3 mi)
Middle Branch Escanaba River, Humboldt, MI (106.6 mi)
Lake Superior, Lake Superior, MI (107.4 mi)

Weather Near Isle Royale, Michigan

Current Weather

33.4°F
Sunny
Sunny
22.6°F
33.4°F
82%
ENE 10.5 mph
16.2 mph
22.6°F
27.5°F
0 in
8%
6 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 38°F
L: 29°F
Overcast
Tue
H: 30°F
L: 22°F
Overcast
Wed
H: 28°F
L: 14°F
Moderate or heavy snow showers
Thu
H: 26°F
L: 23°F
Light freezing rain
Fri
H: 32°F
L: 23°F

Air Quality

AQI: 1 - Good
PM2.5: 4.15 μg/m3
PM10: 5.65 μg/m3
Carbon Monoxide: 174.85 μg/m3
Nitrogen Dioxide: 0.95 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 96 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 12:00 AM
Sunset: 8:19 PM
Daylight: 12 hrs 46 mins
Moonrise: 5:55 PM
Moon Transit: 12:00 AM
Moonset: 6:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:57 AM - 2:27 PM

Minor Periods

5:25 PM - 6:55 PM
6:07 AM - 7:37 AM

Action Rating: 3 out of 5

Monday, March 30, 2026

Weather Forecast

Sunny
37.9°F
28.9°F
32.6°F
80%
0 in
0%
0%
13.9 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 7.14 μg/m3
PM10: 8.11 μg/m3
Carbon Monoxide: 187.37 μg/m3
Nitrogen Dioxide: 2.38 μg/m3
Sulphur Dioxide: 1.23 μg/m3
Ozone: 84.64 μg/m3

Astronomical

Sunrise: 7:33 AM
Sun Transit: 12:00 AM
Sunset: 8:19 PM
Daylight: 12 hrs 46 mins
Moonrise: 5:55 PM
Moon Transit: 12:00 AM
Moonset: 6:37 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:57 AM - 2:27 PM

Minor Periods

5:25 PM - 6:55 PM
6:07 AM - 7:37 AM

Action Rating: 3 out of 5

Tuesday, March 31, 2026

Weather Forecast

Overcast
30.4°F
21.5°F
27.8°F
86%
0 in
0%
0%
17.4 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.97 μg/m3
PM10: 3.91 μg/m3
Carbon Monoxide: 172.21 μg/m3
Nitrogen Dioxide: 1.05 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 96.24 μg/m3

Astronomical

Sunrise: 7:31 AM
Sun Transit: 12:00 AM
Sunset: 8:20 PM
Daylight: 12 hrs 49 mins
Moonrise: 7:08 PM
Moon Transit: 12:31 AM
Moonset: 6:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:01 AM - 2:31 AM
12:41 AM - 3:11 PM

Minor Periods

6:38 PM - 8:08 PM
6:22 AM - 7:52 AM

Action Rating: 4 out of 5

Wednesday, April 1, 2026

Weather Forecast

Overcast
27.5°F
13.8°F
21.3°F
80%
0 in
0%
0%
12.1 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 1.33 μg/m3
PM10: 1.63 μg/m3
Carbon Monoxide: 154.57 μg/m3
Nitrogen Dioxide: 0.99 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 89.64 μg/m3

Astronomical

Sunrise: 7:29 AM
Sun Transit: 12:00 AM
Sunset: 8:22 PM
Daylight: 12 hrs 53 mins
Moonrise: 8:19 PM
Moon Transit: 1:14 AM
Moonset: 7:06 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
1:23 PM - 3:53 PM

Minor Periods

7:49 PM - 9:19 PM
6:36 AM - 8:06 AM

Action Rating: 3 out of 5

Thursday, April 2, 2026

Weather Forecast

Moderate or heavy snow showers
26.3°F
23.2°F
24.9°F
87%
2.07 in
85%
31%
21.7 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 1.53 μg/m3
PM10: 1.95 μg/m3
Carbon Monoxide: 148.41 μg/m3
Nitrogen Dioxide: 0.92 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 97.24 μg/m3

Astronomical

Sunrise: 7:27 AM
Sun Transit: 12:00 AM
Sunset: 8:23 PM
Daylight: 12 hrs 56 mins
Moonrise: 9:30 PM
Moon Transit: 1:56 AM
Moonset: 7:21 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

1:26 AM - 3:56 AM
2:06 PM - 4:36 PM

Minor Periods

9:00 PM - 10:30 PM
6:51 AM - 8:21 AM

Action Rating: 3 out of 5

Friday, April 3, 2026

Weather Forecast

Light freezing rain
31.8°F
22.7°F
27.3°F
89%
0.11 in
89%
46%
17.4 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 1.84 μg/m3
PM10: 2.25 μg/m3
Carbon Monoxide: 152.6 μg/m3
Nitrogen Dioxide: 1.05 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 100.54 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:00 AM
Sunset: 8:25 PM
Daylight: 13 hrs mins
Moonrise: 10:42 PM
Moon Transit: 2:39 AM
Moonset: 7:37 AM
Moon Phase: Full
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
2:50 PM - 5:20 PM

Minor Periods

10:12 PM - 11:42 PM
7:07 AM - 8:37 AM

Action Rating: 4 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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