Water Temperature of Lake Superior in Terrace Bay Township, Ontario

Current Water Temperature

6.0°C

Measurement Time: Friday, November 14, 2025, 1:00 PM EST

Temperature Locations

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Local Points of Interest

Patterson Island; Pukaskwa National Park

Lake Superior

Station Name: Slate Island
Station Type: Buoy
Data Source: National Data Buoy Center

Elevation Above Sea Level: 179 meters

Nearest Address:
Terrace Bay Township, ON P0T 2W0
Thunder Bay District County

GPS Coordinates: 48.54, -86.95

Nearby Water Temperatures

Lake Superior, Isle Royale, MI (80.6 km)
Lake Superior, Copper Harbor, MI (109.6 km)
Washington Creek, Windigo, MI (176.6 km)
Lake Superior, Calumet, MI (187.6 km)
Pilgrim River, Houghton, MI (201.2 km)
Keweenaw Bay, Jacobsville, MI (205.5 km)
East Branch Salmon Trout River, Powell, MI (206.4 km)
Salmon Trout River, Champion, MI (207.4 km)
Grand Portage River, Grand Portage, MN (212.3 km)
Lake Superior, Marquette, MI (224.1 km)
Falls River, L'Anse, MI (229.8 km)
Miners River, Munising, MI (230.3 km)
Middle Branch Escanaba River, , MI (237.6 km)
Middle Branch Escanaba River, Humboldt, MI (237.8 km)
Sturgeon River, Pelkie, MI (239.1 km)

Weather for Terrace Bay Township, Ontario

Current Weather

-18.8°C
Clear
Clear
-25.6°C
-15.3°C
79%
NW 9.7 kph
20.4 kph
-21.7°C
-24°C
0 mm
0%
2 km
1031 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: -3°C
L: -15°C
Moderate or heavy snow showers
Wed
H: -0°C
L: -3°C
Moderate rain
Thu
H: 3°C
L: -1°C
Light freezing rain
Fri
H: 0°C
L: -8°C
Freezing fog
Sat
H: 1°C
L: -6°C

Air Quality

PM2.5: 2.16 μg/m3
PM10: 2.96 μg/m3
Carbon Monoxide: 152.76 μg/m3
Nitrogen Dioxide: 1.06 μg/m3
Sulphur Dioxide: 0.86 μg/m3
Ozone: 90 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:49 PM
Sunset: 8:28 PM
Daylight: 13 hrs 15 mins
Moonrise: 2:06 AM
Moon Transit: 5:46 AM
Moonset: 9:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 64.3%

Best Times for Fishing or Hunting

Major Periods

5:16 AM - 7:46 AM
6:07 PM - 8:37 PM

Minor Periods

8:54 AM - 10:24 AM
1:36 AM - 3:06 AM

Action Rating: 3 out of 5

special weather statement in effect

Service Notice – February 2026: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2026, changes are expected to include... 1) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard is tentatively set for Spring 2026 deployment. Data changes will appear in CAP following this deployment and 2) other minor improvements and corrections. For more information on these changes: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/ | Notification de service – février 2026: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2026, il y aura des changements incluant... 1) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique devrait être déployée provisoirement au printemps 2026. Des changements de données apparaîtront dans le PAC à la suite de ce déploiement et 2) d’autres améliorations et corrections mineures. Pour plus d’informations sur ces changements: https://comm.collab.science.gc.ca/mailman3/hyperkitty/list/dd_info@comm.collab.science.gc.ca/

Effective: Mon April 6, 2026, 10:45 AM
Expires: Tue April 7, 2026, 2:03 AM

Brief but intense snowfall could affect road conditions and visibilities. What: Significantly reduced visibility in heavy snow. Local snowfall amounts of 4 to 8 cm. When: Continuing into this evening. Additional information: Snow has developed northeast of Lake Superior and will continue southeastward toward Greater Sudbury by late this afternoon. Given that the heavy snow will be brief, the primary hazard will be significantly reduced visibility as opposed to snowfall accumulations. Prepare for quickly changing and deteriorating travel conditions. Travel may be difficult. ### Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on X using #ONStorm.


Tuesday, April 7, 2026

Weather Forecast

Sunny
-2.8°C
-15.4°C
-8.7°C
59%
0 mm
0%
0%
22.7 kph
1


Air Quality

AQI: 1 - Good
PM2.5: 1.96 μg/m3
PM10: 2.57 μg/m3
Carbon Monoxide: 157.52 μg/m3
Nitrogen Dioxide: 0.96 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 94.2 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 1:49 PM
Sunset: 8:28 PM
Daylight: 13 hrs 15 mins
Moonrise: 2:06 AM
Moon Transit: 5:46 AM
Moonset: 9:24 AM
Moon Phase: Waning Gibbous
Moon Illumination: 64.3%

Best Times for Fishing or Hunting

Major Periods

5:16 AM - 7:46 AM
6:07 PM - 8:37 PM

Minor Periods

8:54 AM - 10:24 AM
1:36 AM - 3:06 AM

Action Rating: 3 out of 5

Wednesday, April 8, 2026

Weather Forecast

Moderate or heavy snow showers
-0.1°C
-3°C
-0.8°C
89%
51.95 mm
74%
40%
34.2 kph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 2.79 μg/m3
PM10: 3.19 μg/m3
Carbon Monoxide: 161.56 μg/m3
Nitrogen Dioxide: 1.84 μg/m3
Sulphur Dioxide: 1.19 μg/m3
Ozone: 95.6 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 1:49 PM
Sunset: 8:29 PM
Daylight: 13 hrs 18 mins
Moonrise: 3:02 AM
Moon Transit: 6:37 AM
Moonset: 10:15 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%

Best Times for Fishing or Hunting

Major Periods

6:07 AM - 8:37 AM
6:58 PM - 9:28 PM

Minor Periods

9:45 AM - 11:15 AM
2:32 AM - 4:02 AM

Action Rating: 2 out of 5

Thursday, April 9, 2026

Weather Forecast

Moderate rain
3.1°C
-0.9°C
1.1°C
87%
11.42 mm
64%
24%
29.2 kph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.61 μg/m3
PM10: 5.03 μg/m3
Carbon Monoxide: 167.7 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 89.2 μg/m3

Astronomical

Sunrise: 7:09 AM
Sun Transit: 1:49 PM
Sunset: 8:31 PM
Daylight: 13 hrs 22 mins
Moonrise: 3:47 AM
Moon Transit: 7:29 AM
Moonset: 11:15 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%

Best Times for Fishing or Hunting

Major Periods

6:59 AM - 9:29 AM
7:49 PM - 10:19 PM

Minor Periods

10:45 AM - 12:15 AM
3:17 AM - 4:47 AM

Action Rating: 3 out of 5

Friday, April 10, 2026

Weather Forecast

Light freezing rain
0.4°C
-7.6°C
-2.2°C
91%
0.47 mm
70%
28%
12.6 kph
1


Air Quality

AQI: 1 - Good
PM2.5: 1.1 μg/m3
PM10: 1.1 μg/m3
Carbon Monoxide: 168.4 μg/m3
Nitrogen Dioxide: 1.26 μg/m3
Sulphur Dioxide: 0.8 μg/m3
Ozone: 94.31 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 1:49 PM
Sunset: 8:32 PM
Daylight: 13 hrs 25 mins
Moonrise: 4:22 AM
Moon Transit: 8:19 AM
Moonset: 12:24 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

7:49 AM - 10:19 AM
8:39 PM - 11:09 PM

Minor Periods

11:54 AM - 1:24 PM
3:52 AM - 5:22 AM

Action Rating: 3 out of 5

Saturday, April 11, 2026

Weather Forecast

Freezing fog
0.8°C
-5.6°C
-1.8°C
96%
0.02 mm
0%
4%
23.4 kph
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: 7:05 AM
Sun Transit: 1:48 PM
Sunset: 8:34 PM
Daylight: 13 hrs 29 mins
Moonrise: 4:49 AM
Moon Transit: 9:08 AM
Moonset: 1:36 PM
Moon Phase: Last Quarter
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

8:38 AM - 11:08 AM
9:27 PM - 11:57 PM

Minor Periods

1:06 PM - 2:36 PM
4:19 AM - 5:49 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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