Can you swim at Gwangalli Beach in October? — 21.0°C water

Yes — comfortable for most swimmers
Average sea · October
21.0°C
Live water now
Recommended wetsuit
Shorty 2mm
warm

Yes. With a 21.0°C average in October, most swimmers find Gwangalli Beach 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 Gwangalli Beach live page for full conditions.

Best months to swim
June · July · August · September

Frequently asked questions

What is the average sea temperature at Gwangalli Beach in October?

Gwangalli Beach averages 21.0°C in October, based on long-run climatology for the Sea of Japan.

Is the sea warm enough to swim at Gwangalli Beach in October?

Yes, most swimmers find 21.0°C comfortable for unrestricted swimming.

Do I need a wetsuit at Gwangalli Beach in October?

Most swimmers don't need a wetsuit; a rash vest helps for longer sessions.