Main Beach Sea Water Temperature
A temperate beach on the Tasman Sea, warmest around February at about 19.9°C. Today's reading, 7-day forecast, and monthly averages below.
Main Beach water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Main Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Main Beach occurs inJanuary, February, March, December — peaking at19.9°C (67.8°F) in February.
Year-Round Water Temperature Curve (°C / °F)
Hover a bar for detailsFull 12-month data table — min / avg / max & swimming comfort
| Month | Min Water Temp | Average Water Temp | Max Water Temp | Swimming Comfort |
|---|---|---|---|---|
| January | 17.5°C | 19.4°C | 22.6°C | Cool / Refreshing (16°C – 20°C) |
| February | 18.2°C | 19.9°C | 21.5°C | Cool / Refreshing (16°C – 20°C) |
| March | 18.1°C | 19.2°C | 21.3°C | Cool / Refreshing (16°C – 20°C) |
| April | 15.7°C | 17.5°C | 19°C | Cool / Refreshing (16°C – 20°C) |
| May | 14.2°C | 15.7°C | 17.2°C | Very Cold (< 16°C) |
| June | 13°C | 14°C | 15.3°C | Very Cold (< 16°C) |
| July | 12°C | 12.7°C | 13.9°C | Very Cold (< 16°C) |
| August | 11.5°C | 12.2°C | 13°C | Very Cold (< 16°C) |
| SeptemberCurrent | 11.8°C | 12.8°C | 13.5°C | Very Cold (< 16°C) |
| October | 13.1°C | 14.2°C | 16°C | Very Cold (< 16°C) |
| November | 13.8°C | 16.1°C | 19.2°C | Cool / Refreshing (16°C – 20°C) |
| December | 16.3°C | 17.9°C | 19.7°C | Cool / Refreshing (16°C – 20°C) |
Swimming FAQs for Main Beach
Is the sea warm enough to swim in Main Beach today?
Typical sea surface temperature in Main Beach this time of year is 12.8°C (55°F) — classified as Very Cold (< 16°C). Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges. Live readings load automatically.
What are the warmest months for swimming in Main Beach?
The highest water temperatures in Main Beach typically occur duringJanuary, February, March, December, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Main Beach in September?
Historically in September, water temperatures in Main Beach average around12.8°C (55.0°F), fluctuating between a recorded minimum of 11.8°C and a maximum of 13.5°C.