Can you swim at Diamond Beach NSW in May? — 18.0°C water

Yes, but expect a fresh dip
Average sea · May
18.0°C
Live water now
Recommended wetsuit
3/2mm fullsuit
mild

It depends. Diamond Beach NSW sits around 18.0°C in May; confident swimmers will be fine, casual bathers may prefer short sessions.

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 Diamond Beach NSW live page for full conditions.

Best months to swim
January · February · March · December

Frequently asked questions

What is the average sea temperature at Diamond Beach NSW in May?

Diamond Beach NSW averages 18.0°C in May, based on long-run climatology for the Tasman Sea.

Is the sea warm enough to swim at Diamond Beach NSW in May?

It is swimmable but fresh; confident swimmers will be fine without a wetsuit.

Do I need a wetsuit at Diamond Beach NSW in May?

A 2 mm shorty is comfortable for sessions over 30 minutes.