Current Sea Water Temperature:
+42.4°F
| Maximum Sea Water Temperature in May: | 53.6°F |
| Minimum Sea Water Temperature in May: | 32.6°F |
| Average water temperature in May: | 38.8°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 10 | 42.4°F | May 05 | 36.6°F |
| May 09 | 41.8°F | May 04 | 36.6°F |
| May 08 | 40.8°F | May 03 | 35.6°F |
| May 07 | 41.4°F | May 02 | 35.8°F |
| May 06 | 40.4°F | May 01 | 35.0°F |
When is the Warmest Sea for Thunder Bay?
According to our data for the last three years for Thunder Bay the highest average sea water temperature was in August, September and July.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2023 for Thunder Bay was 63.4°F. The maximum and minimum values were 59.6°F and 68.0°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2023 for Thunder Bay was 61.2°F. The maximum and minimum values were 58.6°F and 65.6°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2023 for Thunder Bay was 51.4°F. The maximum and minimum values were 40.4°F and 66.0°F respectively.
Canada Resorts:
NAME
F°
| Charlottetown |  |
+44 |
| Halifax | |
+50 |
| Hamilton |  |
+62 |
| Montreal |  |
+58 |
| Nanaimo | |
+66 |
| Ottawa |  |
+58 |
| Quebec |  |
+56 |
| Rocky Harbour |  |
+32 |
| St. John's | |
+44 |
| Sydney | |
+40 |
| Toronto | |
+60 |
| Vancouver | |
+62 |
| Victoria | |
+62 |
| Winnipeg | |
+58 |
| Yellowknife | |
+46 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Thunder Bay
Local time: 17:58
12 may, sunday
| 1800 |  |
66°F | SE 12 mph |
| 2100 |  |
56°F | SE 13 mph |
13 may, monday
| 0000 |  |
48°F | SE 7 mph |
| 0300 | |
42°F | SE 6 mph |
| 0600 | |
38°F | SE 9 mph |
| 0900 | |
40°F | SE 9 mph |
| 1200 | |
48°F | SE 6 mph |
| 1500 | |
54°F | SE 6 mph |