Semaphore Park Beach Sea Water Temperature
A mild beach on the Coastal Waters, warmest around February at about 22.3°C. Today's reading, 7-day forecast, and monthly averages below.
Semaphore Park Beach water temperature
Wetsuit strongly recommended. Sudden entry may cause cold shock. Suitable only for brief, brisk plunges.
7-Day Water Temperature Forecast
Semaphore Park Beach Monthly Water Temperature Averages
Historical monthly climatology. The warmest water in Semaphore Park Beach occurs inJanuary, February, March, December — peaking at22.3°C (72.1°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 | 19°C | 21.7°C | 24.8°C | Comfortable (20°C – 24°C) |
| February | 20.7°C | 22.3°C | 23.8°C | Comfortable (20°C – 24°C) |
| March | 20°C | 21.5°C | 24.5°C | Comfortable (20°C – 24°C) |
| April | 17.1°C | 19.6°C | 20.7°C | Cool / Refreshing (16°C – 20°C) |
| May | 14.6°C | 17.2°C | 19.2°C | Cool / Refreshing (16°C – 20°C) |
| June | 13.2°C | 15.1°C | 16.6°C | Very Cold (< 16°C) |
| July | 12.1°C | 13.4°C | 14.4°C | Very Cold (< 16°C) |
| August | 12°C | 13°C | 14.1°C | Very Cold (< 16°C) |
| SeptemberCurrent | 12.5°C | 14°C | 15.3°C | Very Cold (< 16°C) |
| October | 13.7°C | 15.8°C | 17.5°C | Very Cold (< 16°C) |
| November | 15.8°C | 18.1°C | 20.4°C | Cool / Refreshing (16°C – 20°C) |
| December | 18°C | 20.1°C | 22°C | Comfortable (20°C – 24°C) |
Swimming FAQs for Semaphore Park Beach
Is the sea warm enough to swim in Semaphore Park Beach today?
Typical sea surface temperature in Semaphore Park Beach this time of year is 14°C (57.2°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 Semaphore Park Beach?
The highest water temperatures in Semaphore Park Beach typically occur duringJanuary, February, March, December, when monthly averages reach peak seasonal levels.
What is the typical water temperature in Semaphore Park Beach in September?
Historically in September, water temperatures in Semaphore Park Beach average around14°C (57.2°F), fluctuating between a recorded minimum of 12.5°C and a maximum of 15.3°C.