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

16.3°F
Partly cloudy
Partly cloudy
10.6°F
12.8°F
28%
WSW 3.6 mph
4.7 mph
4.1°F
1.9°F
0 in
75%
19 mi
1016 mbar
2.5

Five Day Weather Forecast

Cloudy
Tue
H: 17°F
L: 8°F
Overcast
Wed
H: 31°F
L: 17°F
Moderate or heavy snow showers
Thu
H: 35°F
L: 30°F
Moderate or heavy snow showers
Fri
H: 34°F
L: 29°F
Heavy snow
Sat
H: 34°F
L: 31°F

Air Quality

AQI: 1 - Good
PM2.5: 2.05 μg/m3
PM10: 2.35 μg/m3
Carbon Monoxide: 185.85 μg/m3
Nitrogen Dioxide: 0.95 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 94 μg/m3

Astronomical

Sunrise: 8:00 AM
Sun Transit: 2:00 PM
Sunset: 8:00 PM
Daylight: 12 hrs mins
Moonrise: 7:27 AM
Moon Transit: 12:55 AM
Moonset: 6:37 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 AM
12:25 AM - 2:55 PM

Minor Periods

6:07 PM - 7:37 PM
6:57 AM - 8:27 AM

Action Rating: 5 out of 5

Tuesday, March 17, 2026

Weather Forecast

Cloudy
16.5°F
7.9°F
12.3°F
62%
0 in
0%
3%
23.3 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 2.9 μg/m3
PM10: 3.28 μg/m3
Carbon Monoxide: 199.05 μg/m3
Nitrogen Dioxide: 1.02 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 87.48 μg/m3

Astronomical

Sunrise: 8:00 AM
Sun Transit: 2:00 PM
Sunset: 8:00 PM
Daylight: 12 hrs mins
Moonrise: 7:27 AM
Moon Transit: 12:55 AM
Moonset: 6:37 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 AM
12:25 AM - 2:55 PM

Minor Periods

6:07 PM - 7:37 PM
6:57 AM - 8:27 AM

Action Rating: 5 out of 5

Wednesday, March 18, 2026

Weather Forecast

Overcast
30.9°F
17.2°F
25.6°F
84%
0 in
0%
6%
16.1 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 3.25 μg/m3
PM10: 3.5 μg/m3
Carbon Monoxide: 194.37 μg/m3
Nitrogen Dioxide: 1.79 μg/m3
Sulphur Dioxide: 1.11 μg/m3
Ozone: 95.44 μg/m3

Astronomical

Sunrise: 7:58 AM
Sun Transit: 1:58 PM
Sunset: 8:01 PM
Daylight: 12 hrs 3 mins
Moonrise: 7:43 AM
Moon Transit: 1:41 PM
Moonset: 7:55 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

1:06 AM - 3:36 AM
1:11 PM - 3:41 PM

Minor Periods

7:25 PM - 8:55 PM
7:13 AM - 8:43 AM

Action Rating: 3 out of 5

Thursday, March 19, 2026

Weather Forecast

Moderate or heavy snow showers
34.7°F
30.2°F
32.7°F
90%
1.5 in
74%
34%
10.1 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 2.84 μg/m3
PM10: 2.98 μg/m3
Carbon Monoxide: 182.49 μg/m3
Nitrogen Dioxide: 1.83 μg/m3
Sulphur Dioxide: 1.32 μg/m3
Ozone: 96.44 μg/m3

Astronomical

Sunrise: 7:56 AM
Sun Transit: 1:58 PM
Sunset: 8:03 PM
Daylight: 12 hrs 7 mins
Moonrise: 7:59 AM
Moon Transit: 1:31 AM
Moonset: 9:15 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
1:01 AM - 3:31 AM

Minor Periods

8:45 PM - 10:15 PM
7:29 AM - 8:59 AM

Action Rating: 4 out of 5

Friday, March 20, 2026

Weather Forecast

Moderate or heavy snow showers
33.9°F
28.9°F
31.9°F
89%
0.67 in
64%
23%
11.9 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 8.83 μg/m3
PM10: 9.11 μg/m3
Carbon Monoxide: 165.24 μg/m3
Nitrogen Dioxide: 1.93 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 103.64 μg/m3

Astronomical

Sunrise: 7:54 AM
Sun Transit: 10:27 AM
Sunset: 8:04 PM
Daylight: 12 hrs 10 mins
Moonrise: 8:17 AM
Moon Transit: 3:18 PM
Moonset: 10:39 PM
Moon Phase: New
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

2:41 AM - 5:11 AM
2:48 PM - 5:18 PM

Minor Periods

10:09 PM - 11:39 PM
7:47 AM - 9:17 AM

Action Rating: 4 out of 5

Saturday, March 21, 2026

Weather Forecast

Heavy snow
34.2°F
31.1°F
32.4°F
94%
0.15 in
72%
50%
14.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.9 μg/m3
PM10: 7.13 μg/m3
Carbon Monoxide: 178.7 μg/m3
Nitrogen Dioxide: 3.17 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 79.23 μg/m3

Astronomical

Sunrise: 7:51 AM
Sun Transit: 12:00 AM
Sunset: 8:05 PM
Daylight: 12 hrs 14 mins
Moonrise: 8:37 AM
Moon Transit: 4:10 PM
Moonset: 12:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

3:32 AM - 6:02 AM
3:40 PM - 6:10 PM

Minor Periods

12:00 AM - 12:00 AM
8:07 AM - 9:37 AM

Action Rating: 3 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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