Cassie Rock Weather Forecast
- 11
- 17
Partly cloudy
- 12
- 16
Showers
- 14
- 17
Showers
- 13
- 17
Shower or two
- 12
- 17
Shower or two
- 12
- 16
Shower or two
- 12
- 17
Shower or two
Today 4 Jul Sydney
Mostly clear. Light winds.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Southerly 10 to 15 knots, reaching up to 20 knots offshore.
- Seas
- Below 1 metre.
- 1st Swell
- Southerly 2 to 2.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A strong southwesterly flow has developed in the wake of a cold front that moved across the coastal waters. A high pressure system over the Bight is strengthening and drifting towards Tasmania while a low develops near New Zealand, bringing fresh to strong southerly winds and large, powerful waves to the coastal areas over the weekend and into early next week.
Cassie Rock Temperature Statistics View More
July Temperature
Terrey Hills (10km)
Lowest 4 July, 2026
6 °CAverage July
14.1 °CHighest 2 July, 2026
21.1 °C
Climate (2021–2026)
Terrey Hills (10km)
Average Low 2021–2026
13.5 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
21.9 °C