August is a popular month to ask about Basin Head Beach because conditions can shift week to week along this coast. Expect the water near 17.0°C, with daily variation from wind, tides and recent storms. We refresh the live value from Open-Meteo Marine every hour, so the headline above always reflects the current state of the Gulf of St Lawrence.
Basin Head Beach sea temperature in August — averages 17.0°C
The sea at Basin Head Beach in Canada averages 17.0°C during August, based on long-run climatology for the Gulf of St Lawrence. Use the live reading below for today's actual water and the monthly grid to compare with the rest of the year.
Average sea · August
17.0°C
mild · Fair
Live water now
…
Recommended wetsuit
3/2mm fullsuit
At 17.0°C a 3/2mm fullsuit is the standard wetsuit for surfing and watersports.
Monthly comparison
Yes, but expect a fresh dip · Basin Head Beach
Can you swim at Basin Head Beach in July? — 16.0°C water16.0°CCan you swim at Basin Head Beach in August? — 17.0°C water17.0°CCan you swim at Basin Head Beach in September? — 15.0°C water15.0°CCan you swim at Basin Head Beach in October? — 11.0°C water11.0°CCan you swim at Basin Head Beach in November? — 8.0°C water8.0°CCan you swim at Basin Head Beach in December? — 5.0°C water5.0°C
Frequently asked questions
What is the average sea temperature at Basin Head Beach in August?
Basin Head Beach averages 17.0°C in August, based on long-run climatology for the Gulf of St Lawrence.
Is the sea warm enough to swim at Basin Head Beach in August?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Basin Head Beach in August?
A 2 mm shorty is comfortable for sessions over 30 minutes.