It depends. Long Bay sits around 18.0°C in April; 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 Long Bay live page for full conditions.
Frequently asked questions
What is the average sea temperature at Long Bay in April?
Long Bay averages 18.0°C in April, based on long-run climatology for the Tasman Sea.
Is the sea warm enough to swim at Long Bay in April?
It is swimmable but fresh; confident swimmers will be fine without a wetsuit.
Do I need a wetsuit at Long Bay in April?
A 2 mm shorty is comfortable for sessions over 30 minutes.