Rose Bay Marina Weather Forecast
- 14
- 21
Partly cloudy
- 16
- 20
Shower or two
- 16
- 21
Shower or two
- 15
- 22
Partly cloudy
- 15
- 22
Partly cloudy
- 14
- 23
Mostly sunny
- 15
- 23
Sunny
Today 20 Apr Sydney
Partly cloudy. Slight chance of a shower along the coastal fringe, most likely at night. Near zero chance of rain elsewhere. Winds southwesterly 15 to 20 km/h tending southerly 20 to 30 km/h in the middle of the day then becoming light in the evening.
Sydney Enclosed Waters
Sydney Harbour, Pittwater and Botany Bay- Wind
- Southerly 15 to 20 knots.
- Seas
- Below 0.5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure over the Southern Tasman Sea is slowly drifting east towards New Zealand, while a deep low pressure over the eastern Tasman Sea is weakening, maintaining fresh southerly airstream over the coastal waters. Winds over Sydney Waters will tend northeasterly later in the week as a ridge extending from the high becomes the dominant feature.
Rose Bay Marina Temperature Statistics View More
April Temperature
Sydney (Observatory Hill) (4km)
Lowest 19 April, 2026
10.8 °CAverage April
19.5 °CHighest 9 April, 2026
29 °C
Climate (2021–Present)
Sydney (Observatory Hill) (4km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
18.4 °CAverage High 2021–2026
23.5 °C