Water Temperature of Lake Superior in Terrace Bay Township, Ontario
Current Water Temperature
Measurement Time: Friday, November 14, 2025, 1:00 PM EST
Temperature Locations
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Local Points of Interest
Patterson Island; Pukaskwa National ParkSponsored Content
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
Humidity: 80%
Heat Index: -14.7°C
Feels Like: -26.4°C
Wind: NNW 14.3 mph
Wind Gusts: -0.6 kph
Wind Chill: -26.4°C
Dew Point: -17.5°C
Chance of Precipitation: 5%
Precipitation: 0 in
Cloud Cover: 0%
Visibility: -12.8 km
UV Index: 0
Five Day Weather Forecast

Mon
H: -15°C
L: -18°C

Tue
H: -8°C
L: -18°C

Wed
H: -17°C
L: -19°C

Thu
H: -19°C
L: -22°C

Fri
H: -15°C
L: -19°C
Air Quality
Nitrogen Dioxide: 0.86 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 79 μg/m3
Astronomical
Sun Transit: 12:50 AM
Sunset: 5:00 PM
Daylight: 8 hrs 20 mins
Moon Transit: 8:30 PM
Moonset: 2:58 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
7:58 AM - 10:28 AM8:00 PM - 10:30 PM
Minor Periods
12:26 AM - 1:56 PM2:28 AM - 3:58 AM
Action Rating: 2 out of 5
yellow warning - winter storm - in effect
Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) 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 – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) 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: Sun December 28, 2025, 11:48 PM
Expires: Mon December 29, 2025, 3:48 PM
Hazardous winter storm continues tonight through to Monday afternoon. What: Snowfall amounts of 20 to 40 cm. Strong northwesterly winds with gusts of 60 to 80 km/h Blizzard conditions. When: Continuing into Monday afternoon. Where: Highest snowfall amounts are expected for Michipicoten, Wawa, and areas to the east along the Highway 101 corridor. Areas west of Wawa are expect to see lesser snowfall amounts. Additional information: Snow, heavy at times, will continue through to Monday afternoon. The strong northwesterly winds will pick up overnight leading to blizzard conditions. The snow and winds will ease Monday afternoon. ### Roads and walkways will likely be difficult to navigate. Travel will likely be challenging. Visibility will likely be suddenly reduced to near zero at times. Road closures are possible. 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. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
Consider postponing non-essential travel and outdoor activities until conditions improve. Prepare for some disruptions to transportation, services, and utilities.
yellow warning - winter storm - in effect
Service Notice – November 2025: The Environment and Climate Change Canada (ECCC) CAP Service undergoes changes from time to time as the business of alerting evolves. For 2025, changes are expected to include... 1) ECCC's initiative to upgrade the presentation of alerts into Colour-Coded Weather Alerts is tentatively set for deployment November 26, 2025. Data changes will appear in CAP following this deployment, 2) the alert name ‘extreme cold warning’ will change to ‘cold warning’, 3) two Public zone names will change in Saskatchewan, 4) ECCC's initiative to introduce free-form polygons to represent the true threat area of a weather hazard continues, there will be changes coming to CAP and 5) 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 – novembre 2025: Le service du PAC d’Environnement et Changement climatique Canada (ECCC) subit périodiquement des changements à mesure que le système d’alerte évolue. Pour 2025, il y aura des changements incluant... 1) l'initiative d'ECCC visant à améliorer la présentation des alertes sous forme d'alertes météorologiques codées par couleur est provisoirement prévue pour un déploiement le 26 novembre 2025. Des changements aux données apparaîtront dans le PAC suite à ce déploiement, 2) le nom de l’alerte ‘avertissement de froid extrême’ changera pour ‘avertissement de froid’, 3) deux noms de zones publiques seront modifiés en Saskatchewan, 4) l’initiative d’ECCC visant à introduire des polygones libres pour représenter la véritable zone de menace d’un danger météorologique se poursuit. Des changements seront également apportés au PAC et 5) 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 December 29, 2025, 5:08 AM
Expires: Mon December 29, 2025, 9:08 PM
Hazardous winter storm continues into this afternoon. What: Snowfall amounts of 20 to 40 cm. Strong northwesterly winds with gusts of 60 to 80 km/h Blizzard conditions. When: Continuing into this afternoon. Where: Highest snowfall amounts are expected for Michipicoten, Wawa and areas to the east along the Highway 101 corridor. Areas west of Wawa are expect to see lesser snowfall amounts. Additional information: Snow, heavy at times, will continue through to this afternoon. Strong northwesterly winds will also lead to blizzard conditions. The snow and strong winds will ease this afternoon. ### Roads and walkways will likely be difficult to navigate. Travel will likely be challenging. Visibility will likely be suddenly reduced to near zero at times. Road closures are possible. 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. For more information about the alerting program, please visit: https://www.canada.ca/en/services/environment/weather/severeweather/weather-alerts/colour-coded-alerts.
Consider postponing non-essential travel and outdoor activities until conditions improve. Prepare for some disruptions to transportation, services, and utilities.
Weather Forecast
Average Temperature: -15°C
Average Humidity: 73%
Wind: 30.2 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 74.44 μg/m3
Astronomical
Sun Transit: 12:50 AM
Sunset: 5:00 PM
Daylight: 8 hrs 20 mins
Moon Transit: 8:30 PM
Moonset: 2:58 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
7:58 AM - 10:28 AM8:00 PM - 10:30 PM
Minor Periods
12:26 AM - 1:56 PM2:28 AM - 3:58 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: -12.3°C
Average Humidity: 79%
Wind: 17.4 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 0.9 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 77.36 μg/m3
Astronomical
Sun Transit: 12:50 AM
Sunset: 5:01 PM
Daylight: 8 hrs 21 mins
Moon Transit: 9:27 PM
Moonset: 4:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%
Best Times for Fishing or Hunting
Major Periods
8:53 AM - 11:23 AM8:57 PM - 11:27 PM
Minor Periods
12:51 AM - 2:21 PM3:54 AM - 5:24 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: -17.2°C
Average Humidity: 70%
Wind: 19.5 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 76.84 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 5:02 PM
Daylight: 8 hrs 22 mins
Moon Transit: 10:29 PM
Moonset: 5:52 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%
Best Times for Fishing or Hunting
Major Periods
9:53 AM - 12:23 AM12:00 AM - 12:00 AM
Minor Periods
1:26 PM - 2:56 PM5:22 AM - 6:52 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: -19.7°C
Average Humidity: 92%
Wind: 18.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 0.87 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 77.28 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 5:03 PM
Daylight: 8 hrs 23 mins
Moon Transit: 11:36 PM
Moonset: 7:16 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%
Best Times for Fishing or Hunting
Major Periods
10:58 AM - 1:28 PM12:00 AM - 12:00 AM
Minor Periods
2:16 PM - 3:46 PM6:46 AM - 8:16 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: -18°C
Average Humidity: 95%
Wind: 16.3 mph
UV Index: 1
Air Quality
Nitrogen Dioxide: 0.96 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 79.23 μg/m3
Astronomical
Sun Transit: 12:51 AM
Sunset: 5:04 PM
Daylight: 8 hrs 24 mins
Moon Transit: 12:00 AM
Moonset: 8:29 AM
Moon Phase: Full
Moon Illumination: 99.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:05 AM - 2:35 PM
Minor Periods
3:23 PM - 4:53 PM7:59 AM - 9:29 AM
Action Rating: 4 out of 5
