Ballast Island Ledge Sea Water Temperature
A cool beach on the James Bay, warmest around August at about 12.7°C. Today's reading, 7-day forecast, and monthly averages below.
Ballast Island Ledge water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Ballast Island Ledge Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Ballast Island Ledge occurs inJuly, August, September, October — peaking at12.7°C (54.9°F) in August.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 4.5°C | 6.2°C | 8.2°C | Very Cold (< 16°C) |
| February | 2.3°C | 4.3°C | 6.2°C | Very Cold (< 16°C) |
| March | 1.7°C | 3.7°C | 6.3°C | Very Cold (< 16°C) |
| April | 2.5°C | 4.5°C | 6°C | Very Cold (< 16°C) |
| May | 3.3°C | 6.1°C | 8.9°C | Very Cold (< 16°C) |
| June | 6.2°C | 9.1°C | 11.6°C | Very Cold (< 16°C) |
| July | 8.8°C | 11.4°C | 13.6°C | Very Cold (< 16°C) |
| August | 10.4°C | 12.7°C | 15.5°C | Very Cold (< 16°C) |
| SeptemberCurrent | 11°C | 12.3°C | 14.2°C | Very Cold (< 16°C) |
| October | 9.6°C | 11.4°C | 13.1°C | Very Cold (< 16°C) |
| November | 8.2°C | 10.1°C | 12.4°C | Very Cold (< 16°C) |
| December | 5.5°C | 8.2°C | 10.6°C | Very Cold (< 16°C) |
Swimming FAQs for Ballast Island Ledge
Is the sea warm enough to swim in Ballast Island Ledge today?
Typical sea surface temperature in Ballast Island Ledge this time of year is 12.3°C (54.1°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.
What are the warmest months for swimming in Ballast Island Ledge?
The highest water temperatures in Ballast Island Ledge typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Ballast Island Ledge in September?
Historically in September, water temperatures in Ballast Island Ledge average around12.3°C (54.1°F), fluctuating between a recorded minimum of 11°C and a maximum of 14.2°C.