August is a popular month to ask about Plage de Sandy Hook 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.
Plage de Sandy Hook sea temperature in August — averages 17.0°C
The sea at Plage de Sandy Hook 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 · Plage de Sandy Hook
Can you swim at Plage de Sandy Hook in July? — 16.0°C water16.0°CCan you swim at Plage de Sandy Hook in August? — 17.0°C water17.0°CCan you swim at Plage de Sandy Hook in September? — 15.0°C water15.0°CCan you swim at Plage de Sandy Hook in October? — 11.0°C water11.0°CCan you swim at Plage de Sandy Hook in November? — 8.0°C water8.0°CCan you swim at Plage de Sandy Hook in December? — 5.0°C water5.0°C
Frequently asked questions
What is the average sea temperature at Plage de Sandy Hook in August?
Plage de Sandy Hook 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 Plage de Sandy Hook in August?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Plage de Sandy Hook in August?
A 2 mm shorty is comfortable for sessions over 30 minutes.