Water Temperature of Lake Superior in Terrace Bay Township, Ontario
Current Water Temperature
14.7°C
Measurement Time: Monday, August 25, 2025, 7:00 PM EDT
Temperature Locations
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Local Points of Interest
Patterson Island; Pukaskwa National ParkSponsored Content
Lake Superior
Station Name: Slate Island
Station Type: Buoy
Data Source: National Data Buoy Center
Elevation Above Sea Level: 587 feet / 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 (50.1 mi)Lake Superior, Copper Harbor, MI (68.1 mi)
Washington Creek, Windigo, MI (109.7 mi)
Lake Superior, Calumet, MI (116.6 mi)
Pilgrim River, Houghton, MI (125.0 mi)
Keweenaw Bay, Jacobsville, MI (127.7 mi)
East Branch Salmon Trout River, Powell, MI (128.3 mi)
Salmon Trout River, Champion, MI (128.9 mi)
Grand Portage River, Grand Portage, MN (131.9 mi)
Lake Superior, Marquette, MI (139.2 mi)
Falls River, L'Anse, MI (142.8 mi)
Miners River, Munising, MI (143.1 mi)
Middle Branch Escanaba River, , MI (147.6 mi)
Middle Branch Escanaba River, Humboldt, MI (147.7 mi)
Sturgeon River, Pelkie, MI (148.5 mi)
Weather for Terrace Bay Township, Ontario
Current Weather
8.7°C

Conditions: Clear
Humidity: 80%
Feels Like: 6.8°C
Wind: NNW 7.2 mph
Wind Gusts: 15 mph
Humidity: 80%
Feels Like: 6.8°C
Wind: NNW 7.2 mph
Wind Gusts: 15 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 0
Five Day Weather Forecast

Mon
H: 16°C
L: 10°C

Tue
H: 17°C
L: 9°C

Wed
H: 17°C
L: 12°C

Thu
H: 16°C
L: 6°C

Fri
H: 16°C
L: 8°C
Air Quality
AQI:
1 - Good
PM2.5:
0.88 μg/m3
PM10:
0.88 μg/m3
Carbon Monoxide: 237.29 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 66 μg/m3
Nitrogen Dioxide: 0.7 μg/m3
Sulphur Dioxide: 0.35 μg/m3
Ozone: 66 μg/m3
Astronomical
Sunrise: 6:56 AM
Sun Transit: 1:49 PM
Sunset: 8:43 PM
Daylight: 13 hrs 47 mins
Sun Transit: 1:49 PM
Sunset: 8:43 PM
Daylight: 13 hrs 47 mins
Moonrise: 9:33 AM
Moon Transit: 3:38 PM
Moonset: 9:30 PM
Moon Phase: New
Moon Illumination: 1.9%
Moon Transit: 3:38 PM
Moonset: 9:30 PM
Moon Phase: New
Moon Illumination: 1.9%
Best Times for Fishing or Hunting
Major Periods
3:13 AM - 5:43 AM3:08 PM - 5:38 PM
Minor Periods
9:00 PM - 10:30 PM9:03 AM - 10:33 AM
Action Rating: 4 out of 5
Monday, August 25, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 13.4°C
Average Humidity: 59%
Average Temperature: 13.4°C
Average Humidity: 59%
Chance of Rain: 0%
Wind: 15.7 mph
UV Index: 1.4
Wind: 15.7 mph
UV Index: 1.4
Air Quality
AQI:
1 - Good
PM2.5:
1.46 μg/m3
PM10:
1.49 μg/m3
Carbon Monoxide: 244.25 μg/m3
Nitrogen Dioxide: 0.33 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 68.88 μg/m3
Nitrogen Dioxide: 0.33 μg/m3
Sulphur Dioxide: 0.26 μg/m3
Ozone: 68.88 μg/m3
Astronomical
Sunrise: 6:56 AM
Sun Transit: 1:49 PM
Sunset: 8:43 PM
Daylight: 13 hrs 47 mins
Sun Transit: 1:49 PM
Sunset: 8:43 PM
Daylight: 13 hrs 47 mins
Moonrise: 9:33 AM
Moon Transit: 3:38 PM
Moonset: 9:30 PM
Moon Phase: New
Moon Illumination: 1.9%
Moon Transit: 3:38 PM
Moonset: 9:30 PM
Moon Phase: New
Moon Illumination: 1.9%
Best Times for Fishing or Hunting
Major Periods
3:13 AM - 5:43 AM3:08 PM - 5:38 PM
Minor Periods
9:00 PM - 10:30 PM9:03 AM - 10:33 AM
Action Rating: 4 out of 5
Tuesday, August 26, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 13.4°C
Average Humidity: 60%
Average Temperature: 13.4°C
Average Humidity: 60%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 1.4
Wind: 13 mph
UV Index: 1.4
Air Quality
AQI:
1 - Good
PM2.5:
1.27 μg/m3
PM10:
1.29 μg/m3
Carbon Monoxide: 236.1 μg/m3
Nitrogen Dioxide: 0.51 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 69.88 μg/m3
Nitrogen Dioxide: 0.51 μg/m3
Sulphur Dioxide: 0.39 μg/m3
Ozone: 69.88 μg/m3
Astronomical
Sunrise: 6:57 AM
Sun Transit: 1:49 PM
Sunset: 8:41 PM
Daylight: 13 hrs 44 mins
Sun Transit: 1:49 PM
Sunset: 8:41 PM
Daylight: 13 hrs 44 mins
Moonrise: 10:43 AM
Moon Transit: 4:19 PM
Moonset: 9:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%
Moon Transit: 4:19 PM
Moonset: 9:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%
Best Times for Fishing or Hunting
Major Periods
3:54 AM - 6:24 AM3:49 PM - 6:19 PM
Minor Periods
9:14 PM - 10:44 PM10:13 AM - 11:43 AM
Action Rating: 2 out of 5
Wednesday, August 27, 2025
Weather Forecast
Conditions: Overcast
Average Temperature: 14.7°C
Average Humidity: 85%
Average Temperature: 14.7°C
Average Humidity: 85%
Chance of Rain: 0%
Wind: 15.2 mph
UV Index: 0.2
Wind: 15.2 mph
UV Index: 0.2
Air Quality
AQI:
1 - Good
PM2.5:
8.03 μg/m3
PM10:
8.16 μg/m3
Carbon Monoxide: 239.68 μg/m3
Nitrogen Dioxide: 0.93 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 70.64 μg/m3
Nitrogen Dioxide: 0.93 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 70.64 μg/m3
Astronomical
Sunrise: 6:59 AM
Sun Transit: 1:49 PM
Sunset: 8:39 PM
Daylight: 13 hrs 41 mins
Sun Transit: 1:49 PM
Sunset: 8:39 PM
Daylight: 13 hrs 41 mins
Moonrise: 11:52 AM
Moon Transit: 5:00 PM
Moonset: 9:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 12.6%
Moon Transit: 5:00 PM
Moonset: 9:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 12.6%
Best Times for Fishing or Hunting
Major Periods
4:34 AM - 7:04 AM4:30 PM - 7:00 PM
Minor Periods
9:28 PM - 10:58 PM11:22 AM - 12:52 AM
Action Rating: 3 out of 5
Thursday, August 28, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 10.7°C
Average Humidity: 65%
Average Temperature: 10.7°C
Average Humidity: 65%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 1.5
Wind: 10.1 mph
UV Index: 1.5
Air Quality
AQI:
1 - Good
PM2.5:
1.58 μg/m3
PM10:
1.66 μg/m3
Carbon Monoxide: 234.34 μg/m3
Nitrogen Dioxide: 0.35 μg/m3
Sulphur Dioxide: 0.18 μg/m3
Ozone: 58.44 μg/m3
Nitrogen Dioxide: 0.35 μg/m3
Sulphur Dioxide: 0.18 μg/m3
Ozone: 58.44 μg/m3
Astronomical
Sunrise: 7:00 AM
Sun Transit: 1:48 PM
Sunset: 8:37 PM
Daylight: 13 hrs 37 mins
Sun Transit: 1:48 PM
Sunset: 8:37 PM
Daylight: 13 hrs 37 mins
Moonrise: 1:01 PM
Moon Transit: 5:43 PM
Moonset: 10:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 21.1%
Moon Transit: 5:43 PM
Moonset: 10:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 21.1%
Best Times for Fishing or Hunting
Major Periods
5:16 AM - 7:46 AM5:13 PM - 7:43 PM
Minor Periods
9:46 PM - 11:16 PM12:31 AM - 2:01 PM
Action Rating: 2 out of 5
Friday, August 29, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 11.7°C
Average Humidity: 65%
Average Temperature: 11.7°C
Average Humidity: 65%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 1.5
Wind: 8.7 mph
UV Index: 1.5
Air Quality
AQI:
1 - Good
PM2.5:
2.19 μg/m3
PM10:
2.23 μg/m3
Carbon Monoxide: 250.54 μg/m3
Nitrogen Dioxide: 1.01 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 59.23 μg/m3
Nitrogen Dioxide: 1.01 μg/m3
Sulphur Dioxide: 0.46 μg/m3
Ozone: 59.23 μg/m3
Astronomical
Sunrise: 7:01 AM
Sun Transit: 1:48 PM
Sunset: 8:35 PM
Daylight: 13 hrs 34 mins
Sun Transit: 1:48 PM
Sunset: 8:35 PM
Daylight: 13 hrs 34 mins
Moonrise: 2:12 PM
Moon Transit: 6:28 PM
Moonset: 10:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 31.0%
Moon Transit: 6:28 PM
Moonset: 10:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 31.0%
Best Times for Fishing or Hunting
Major Periods
6:00 AM - 8:30 AM5:58 PM - 8:28 PM
Minor Periods
10:07 PM - 11:37 PM1:42 PM - 3:12 PM
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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