Water Temperature of Lake Superior in Terrace Bay Township, Ontario

Current Water Temperature

6.5°C 43.7°F
Frigid Dangerously Cold
6.5°C
Frigid < 10°C
Cold 10°–15°
Cool 16°–21°
Comfortable 21°–27°
Warm 27°+

Severe hypothermia and cold water shock risk. Unprotected swimming causes rapid loss of dexterity in under 5 minutes.

Measurement Time: Thursday, November 5, 2026, 11:00 PM EST

Temperature Locations

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Local Points of Interest

Patterson Island; Pukaskwa National Park

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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, Humboldt, MI (237.8 km)
Sturgeon River, Pelkie, MI (239.1 km)
Lake Superior, Lake Superior, MI (250.6 km)

Weather for Terrace Bay Township, Ontario

Current Weather

0.6°C
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 75%
Feels Like: -5.5°C
Wind: NNE 17.2 mph
Wind Gusts: 29.2 mph
Pressure: 30.17 in
Precipitation: 0 in
Cloud Cover: 37%
Visibility: 6 mi
UV Index: 0

Weather Forecast

Partly Cloudy
Fri
H: 4°C
L: -1°C
Overcast
Sat
H: 6°C
L: 0°C
Patchy rain nearby
Sun
H: 7°C
L: 4°C

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
0.2 μg/m³
Good
PM10
0.3 μg/m³
Good
Ozone (O3)
78 μg/m³
Photochemical
NO2
0.1 μg/m³
Nitrogen Dioxide
SO2
0 μg/m³
Sulfur Dioxide
CO
114 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 38m daylight
Sunrise 7:42 AM
Solar Noon 12:31 PM
Sunset 5:20 PM
Moon
Waning Crescent • 5%
Moonrise 4:52 AM
Transit 10:27 AM
Moonset 3:51 PM

Best Times for Fishing or Hunting

Major Periods

9:57 AM - 12:27 PM
10:20 PM - 12:50 AM

Minor Periods

4:22 AM - 5:52 AM
3:21 PM - 4:51 PM
Action Rating:
Good Action 3/5
Friday, November 6, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 0.9°C
Average Humidity: 72%
Chance of Rain: 11%
Wind: 17.2 mph
UV Index: 1.5

Astronomical

Sun
9h 38m daylight
Sunrise 7:42 AM
Solar Noon 12:31 PM
Sunset 5:20 PM
Moon
Waning Crescent • 5%
Moonrise 4:52 AM
Transit 10:27 AM
Moonset 3:51 PM

Best Times for Fishing or Hunting

Major Periods

9:57 AM - 12:27 PM
10:20 PM - 12:50 AM

Minor Periods

4:22 AM - 5:52 AM
3:21 PM - 4:51 PM
Action Rating:
Good Action 3/5
Saturday, November 7, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 3.4°C
Average Humidity: 77%
Chance of Rain: 30%
Wind: 13.6 mph
UV Index: 1.4

Astronomical

Sun
9h 35m daylight
Sunrise 7:43 AM
Solar Noon 12:31 PM
Sunset 5:19 PM
Moon
Waning Crescent • 1%
Moonrise 6:05 AM
Transit 11:12 AM
Moonset 4:08 PM

Best Times for Fishing or Hunting

Major Periods

10:42 AM - 1:12 PM
11:05 PM - 1:35 AM

Minor Periods

5:35 AM - 7:05 AM
3:38 PM - 5:08 PM
Action Rating:
Good Action 3/5
Sunday, November 8, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 5.5°C
Average Humidity: 81%
Chance of Rain: 48%
Wind: 17.2 mph
UV Index: 1.4

Astronomical

Sun
9h 32m daylight
Sunrise 7:45 AM
Solar Noon 12:31 PM
Sunset 5:17 PM
Moon
New • 0%
Moonrise 7:19 AM
Transit 11:58 AM
Moonset 4:29 PM

Best Times for Fishing or Hunting

Major Periods

11:28 AM - 1:58 PM
11:53 PM - 2:23 AM

Minor Periods

6:49 AM - 8:19 AM
3:59 PM - 5:29 PM
Action Rating:
Very Good 4/5
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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