Can you swim at Thunder Cove in August? — 20.0°C water
Yes — comfortable for most swimmers
Average sea · August
20.0°C
Live water now
…
Recommended wetsuit
Shorty 2mm
warm
Yes. With a 20.0°C average in August, most swimmers find Thunder Cove comfortable after the first 10–20 seconds of acclimatisation.
Monthly averages set expectations, but the specific beach today depends on wind, swell and recent weather. Check the live value at the top of this page or open the Thunder Cove live page for full conditions.
Frequently asked questions
What is the average sea temperature at Thunder Cove in August?
Thunder Cove averages 20.0°C in August, based on long-run climatology for the Gulf of St Lawrence.
Is the sea warm enough to swim at Thunder Cove in August?
Yes, most swimmers find 20.0°C comfortable for unrestricted swimming.
Do I need a wetsuit at Thunder Cove in August?
Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.
