Onetahuti Sea Water Temperature
A temperate beach on the Tasman Sea, warmest around February at about 19.6°C. Today's reading, 7-day forecast, and monthly averages below.
Onetahuti water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Onetahuti Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Onetahuti occurs inJanuary, February, March, December — peaking at19.6°C (67.3°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 | 16.3°C | 18.6°C | 23.2°C | Cool / Refreshing (16°C – 20°C) |
| February | 17.9°C | 19.6°C | 21.3°C | Cool / Refreshing (16°C – 20°C) |
| March | 16.5°C | 18.7°C | 20.7°C | Cool / Refreshing (16°C – 20°C) |
| April | 15.5°C | 17.2°C | 19.2°C | Cool / Refreshing (16°C – 20°C) |
| May | 14.2°C | 15.6°C | 17.8°C | Very Cold (< 16°C) |
| June | 12.9°C | 13.9°C | 15.5°C | Very Cold (< 16°C) |
| July | 11.4°C | 12.6°C | 14.1°C | Very Cold (< 16°C) |
| August | 11.1°C | 12.2°C | 12.9°C | Very Cold (< 16°C) |
| SeptemberCurrent | 12°C | 12.9°C | 13.9°C | Very Cold (< 16°C) |
| October | 12.8°C | 14.1°C | 16.1°C | Very Cold (< 16°C) |
| November | 14.4°C | 15.8°C | 18.2°C | Very Cold (< 16°C) |
| December | 15.8°C | 17.6°C | 19.4°C | Cool / Refreshing (16°C – 20°C) |
Swimming FAQs for Onetahuti
Is the sea warm enough to swim in Onetahuti today?
Typical sea surface temperature in Onetahuti this time of year is 12.9°C (55.2°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 Onetahuti?
The highest water temperatures in Onetahuti typically occur duringJanuary, February, March, December, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Onetahuti in September?
Historically in September, water temperatures in Onetahuti average around12.9°C (55.2°F), fluctuating between a recorded minimum of 12°C and a maximum of 13.9°C.