Current sea water temperature:
+32.9°F
| Minimum sea water temperature in February: | 36.0°F |
| Maximum sea water temperature in February: | 32.5°F |
| Average sea water temperature in February: | 33.4°F |
| more information | |
14 days
forecast
forecast
| Thunder Bay |
monthly
weather
weather
| Thunder Bay |
Sea water temperature for the last 10 days:
| February 4 | 32.9°F | January 30 | 32.9°F |
| February 3 | 32.9°F | January 29 | 32.9°F |
| February 2 | 32.9°F | January 28 | 32.9°F |
| February 1 | 32.9°F | January 27 | 32.9°F |
| January 31 | 32.9°F | January 26 | 32.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Thunder Bay?
Based on the data about daily sea water temperature for the last three years the warmest sea in Thunder Bay was noticed in August, September and July.
Monthly Sea Temperatures in Thunder Bay, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 63.2°F. The highest and lowest sea temperatures during the month were 68.0°F and 59.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 59.9°F. The highest and lowest sea temperatures during the month were 62.2°F and 57.4°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 61.1°F. The highest and lowest sea temperatures during the month were 64.9°F and 55.2°F.
current
weather
weather
| Thunder Bay |
weather in
February
February
| Thunder Bay |
Best time for vacation in Thunder Bay
Thunder Bay on a weather map
Places in Canada:
Name
°F
24 Hours Forecast
Thunder Bay
Local time: 22:22
February 05, thursday
0000

16°F
N
2 mph
2 mph
0300

14°F
N
6 mph
6 mph
0600

18°F
N
9 mph
9 mph
0900

19°F
NE
6 mph
6 mph
1200

27°F
E
7 mph
7 mph
1500

32°F
SE
7 mph
7 mph
1800

32°F
E
6 mph
6 mph
2100

28°F
E
4 mph
4 mph




























