Atlantic Beach Sea Water Temperature
A temperate beach on the James Bay, warmest around August at about 20.8°C. Today's reading, 7-day forecast, and monthly averages below.
Atlantic Beach water temperature
Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing.
7-Day Water Temperature Forecast
Atlantic Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Atlantic Beach occurs inJuly, August, September, October — peaking at20.8°C (69.4°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 | 3.1°C | 6.6°C | 9.2°C | Very Cold (< 16°C) |
| February | 2.8°C | 4.5°C | 7.1°C | Very Cold (< 16°C) |
| March | 1.5°C | 4.4°C | 7.6°C | Very Cold (< 16°C) |
| April | 3.7°C | 6.8°C | 10.6°C | Very Cold (< 16°C) |
| May | 8.5°C | 10.9°C | 16.1°C | Very Cold (< 16°C) |
| June | 9.9°C | 15.9°C | 20°C | Very Cold (< 16°C) |
| July | 17.5°C | 19.7°C | 22.1°C | Cool / Refreshing (16°C – 20°C) |
| August | 17.7°C | 20.8°C | 23.5°C | Comfortable (20°C – 24°C) |
| SeptemberCurrent | 17.3°C | 19.6°C | 21.8°C | Cool / Refreshing (16°C – 20°C) |
| October | 14.2°C | 16.7°C | 19.1°C | Cool / Refreshing (16°C – 20°C) |
| November | 10.7°C | 13.1°C | 16.1°C | Very Cold (< 16°C) |
| December | 6.9°C | 9.5°C | 11.9°C | Very Cold (< 16°C) |
Swimming FAQs for Atlantic Beach
Is the sea warm enough to swim in Atlantic Beach today?
Typical sea surface temperature in Atlantic Beach this time of year is 19.6°C (67.3°F) — classified as Cool / Refreshing (16°C – 20°C). Invigorating and crisp. Tolerable for active swimming, but chilly for prolonged casual bathing. Live readings load automatically.
What are the warmest months for swimming in Atlantic Beach?
The highest water temperatures in Atlantic Beach typically occur duringJuly, August, September, October, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Atlantic Beach in September?
Historically in September, water temperatures in Atlantic Beach average around19.6°C (67.3°F), fluctuating between a recorded minimum of 17.3°C and a maximum of 21.8°C.