Navy Island Shoal Sea Water Temperature
A cool beach on the James Bay, warmest around August at about 13.2°C. Today's reading, 7-day forecast, and monthly averages below.
Navy Island Shoal water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Navy Island Shoal Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Navy Island Shoal occurs inJuly, August, September, October — peaking at13.2°C (55.8°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 | 3.9°C | 5.9°C | 8.3°C | Very Cold (< 16°C) |
| February | 1.3°C | 4°C | 6.4°C | Very Cold (< 16°C) |
| March | 0.6°C | 3.3°C | 4.8°C | Very Cold (< 16°C) |
| April | 2°C | 4.2°C | 6.5°C | Very Cold (< 16°C) |
| May | 3.5°C | 6.4°C | 10.2°C | Very Cold (< 16°C) |
| June | 6.6°C | 9.6°C | 11.9°C | Very Cold (< 16°C) |
| July | 8.6°C | 12°C | 15°C | Very Cold (< 16°C) |
| August | 11°C | 13.2°C | 15.3°C | Very Cold (< 16°C) |
| SeptemberCurrent | 11.2°C | 12.9°C | 14.9°C | Very Cold (< 16°C) |
| October | 10.1°C | 11.7°C | 13.1°C | Very Cold (< 16°C) |
| November | 8.3°C | 10°C | 12.4°C | Very Cold (< 16°C) |
| December | 4.8°C | 8°C | 10.3°C | Very Cold (< 16°C) |
Swimming FAQs for Navy Island Shoal
Is the sea warm enough to swim in Navy Island Shoal today?
Typical sea surface temperature in Navy Island Shoal this time of year is 12.9°C (55.2°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 Navy Island Shoal?
The highest water temperatures in Navy Island Shoal typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Navy Island Shoal in September?
Historically in September, water temperatures in Navy Island Shoal average around12.9°C (55.2°F), fluctuating between a recorded minimum of 11.2°C and a maximum of 14.9°C.