Jetty Beach Sea Water Temperature
A temperate beach on the Tasman Sea, warmest around February at about 17°C. Today's reading, 7-day forecast, and monthly averages below.
Jetty Beach water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Jetty Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Jetty Beach occurs inJanuary, February, March, April — peaking at17°C (62.6°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 | 13.6°C | 16.1°C | 18.3°C | Cool / Refreshing (16°C – 20°C) |
| February | 15.5°C | 17°C | 18.9°C | Cool / Refreshing (16°C – 20°C) |
| March | 14.8°C | 16.7°C | 18.7°C | Cool / Refreshing (16°C – 20°C) |
| April | 13.4°C | 15.5°C | 17.4°C | Very Cold (< 16°C) |
| May | 12.6°C | 14°C | 15.6°C | Very Cold (< 16°C) |
| June | 11.9°C | 13.1°C | 14.1°C | Very Cold (< 16°C) |
| July | 11.5°C | 12.7°C | 13.9°C | Very Cold (< 16°C) |
| August | 11.2°C | 12.2°C | 13.3°C | Very Cold (< 16°C) |
| SeptemberCurrent | 11.3°C | 12°C | 13°C | Very Cold (< 16°C) |
| October | 11.7°C | 12.5°C | 14°C | Very Cold (< 16°C) |
| November | 12.3°C | 13.6°C | 16.7°C | Very Cold (< 16°C) |
| December | 12.9°C | 14.5°C | 16.2°C | Very Cold (< 16°C) |
Swimming FAQs for Jetty Beach
Is the sea warm enough to swim in Jetty Beach today?
Typical sea surface temperature in Jetty Beach this time of year is 12°C (53.6°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 Jetty Beach?
The highest water temperatures in Jetty Beach typically occur duringJanuary, February, March, April, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Jetty Beach in September?
Historically in September, water temperatures in Jetty Beach average around12°C (53.6°F), fluctuating between a recorded minimum of 11.3°C and a maximum of 13°C.