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

14.5°F
Light snow
Light snow
2.8°F
25.9°F
85%
SE 8.9 mph
12.1 mph
18.5°F
24.2°F
0.03 in
60%
1 mi
1008 mbar
0

Five Day Weather Forecast

Moderate or heavy snow showers
Mon
H: 28°F
L: 22°F
Overcast
Tue
H: 32°F
L: 28°F
Overcast
Wed
H: 31°F
L: 28°F
Sunny
Thu
H: 36°F
L: 30°F
Sunny
Fri
H: 32°F
L: 25°F

Air Quality

PM2.5: 1.75 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 158.85 μg/m3
Nitrogen Dioxide: 2.25 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 77 μg/m3

Astronomical

Sunrise: 8:41 AM
Sun Transit: 12:56 AM
Sunset: 5:13 PM
Daylight: 8 hrs 32 mins
Moonrise: 8:10 PM
Moon Transit: 2:47 AM
Moonset: 10:30 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

2:17 AM - 4:47 AM
3:02 PM - 5:32 PM

Minor Periods

7:40 PM - 9:10 PM
10:00 AM - 11:30 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued January 4 at 1:17PM EST until January 5 at 1:00AM EST by NWS Marquette MI

Effective: Sun January 4, 2026, 1:17 PM
Expires: Mon January 5, 2026, 1:00 AM

* WHAT...Mixed precipitation expected. Total snow accumulations between 4 and 6 inches and ice accumulations around a light glaze. * WHERE...Portions of central Upper and western Upper Michigan. * WHEN...Until 1 AM EST /midnight CST/ Monday. * IMPACTS...Travel could be very difficult. Snowfall rates of 1 to 2 inches per hour could reduce visibilities down to one quarter mile or less.

Slow down and use caution while traveling.
Monday, January 5, 2026

Weather Forecast

Moderate or heavy snow showers
27.5°F
22.3°F
26.3°F
89%
0.08 in
76%
22%
10.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.39 μg/m3
PM10: 1.43 μg/m3
Carbon Monoxide: 163.81 μg/m3
Nitrogen Dioxide: 1.99 μg/m3
Sulphur Dioxide: 1.68 μg/m3
Ozone: 75.64 μg/m3

Astronomical

Sunrise: 8:41 AM
Sun Transit: 12:56 AM
Sunset: 5:13 PM
Daylight: 8 hrs 32 mins
Moonrise: 8:10 PM
Moon Transit: 2:47 AM
Moonset: 10:30 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

2:17 AM - 4:47 AM
3:02 PM - 5:32 PM

Minor Periods

7:40 PM - 9:10 PM
10:00 AM - 11:30 AM

Action Rating: 4 out of 5

Tuesday, January 6, 2026

Weather Forecast

Overcast
32.2°F
28.4°F
30.8°F
90%
0 in
0%
0%
13.2 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.23 μg/m3
Carbon Monoxide: 192.61 μg/m3
Nitrogen Dioxide: 3.6 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 55.92 μg/m3

Astronomical

Sunrise: 8:40 AM
Sun Transit: 12:56 AM
Sunset: 5:14 PM
Daylight: 8 hrs 33 mins
Moonrise: 9:29 PM
Moon Transit: 3:39 AM
Moonset: 10:50 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%

Best Times for Fishing or Hunting

Major Periods

3:09 AM - 5:39 AM
3:52 PM - 6:22 PM

Minor Periods

8:59 PM - 10:29 PM
10:20 AM - 11:50 AM

Action Rating: 2 out of 5

Wednesday, January 7, 2026

Weather Forecast

Overcast
30.9°F
27.5°F
29.7°F
83%
0 in
0%
0%
15.2 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.58 μg/m3
PM10: 1.65 μg/m3
Carbon Monoxide: 174.53 μg/m3
Nitrogen Dioxide: 3.12 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 55 μg/m3

Astronomical

Sunrise: 8:40 AM
Sun Transit: 12:57 AM
Sunset: 5:15 PM
Daylight: 8 hrs 35 mins
Moonrise: 10:44 PM
Moon Transit: 4:26 AM
Moonset: 11:07 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%

Best Times for Fishing or Hunting

Major Periods

3:56 AM - 6:26 AM
4:37 PM - 7:07 PM

Minor Periods

10:14 PM - 11:44 PM
10:37 AM - 12:07 AM

Action Rating: 2 out of 5

Thursday, January 8, 2026

Weather Forecast

Sunny
36°F
29.6°F
33.4°F
85%
0 in
0%
0%
19.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 4.7 μg/m3
PM10: 4.87 μg/m3
Carbon Monoxide: 192.77 μg/m3
Nitrogen Dioxide: 4.26 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 54.69 μg/m3

Astronomical

Sunrise: 8:40 AM
Sun Transit: 12:57 AM
Sunset: 5:16 PM
Daylight: 8 hrs 36 mins
Moonrise: 11:55 PM
Moon Transit: 5:10 AM
Moonset: 11:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
5:19 PM - 7:49 PM

Minor Periods

12:00 AM - 12:00 AM
10:51 AM - 12:21 AM

Action Rating: 3 out of 5

Friday, January 9, 2026

Weather Forecast

Sunny
31.9°F
24.5°F
28.6°F
80%
0 in
0%
0%
10.3 mph
0


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 8:39 AM
Sun Transit: 12:58 AM
Sunset: 5:17 PM
Daylight: 8 hrs 38 mins
Moonrise: 12:55 AM
Moon Transit: 5:52 AM
Moonset: 11:35 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

5:22 AM - 7:52 AM
6:01 PM - 8:31 PM

Minor Periods

11:05 AM - 12:35 AM
12:00 AM - 12:00 AM

Action Rating: 2 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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