Mackenzies Bay Weather Forecast
- 15
- 18
Cloudy
- 13
- 20
Partly cloudy
- 13
- 23
Sunny
- 15
- 28
Sunny
- 19
- 26
Showers
- 16
- 20
Shower or two
- 15
- 20
Shower or two
Today 28 Sep Sydney
Cloudy. Slight chance of a shower in the early morning. Winds southeast to southwesterly 15 to 20 km/h tending southeasterly in the morning then becoming light in the late afternoon.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Southeasterly 10 to 15 knots becoming easterly below 10 knots in the late evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- 1st Swell
- Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Cloudy.
- Weather Situation
- Fresh south to southeasterly winds lie over the coastal waters in the wake of a cold front. A ridge of high pressure will build over the coastal waters through the early days of the week, turning winds north to northeasterly.
Mackenzies Bay Temperature Statistics View More
September Temperature
Sydney (Observatory Hill) (7km)
Lowest 18 September, 2026
9.4 °CAverage September
17.8 °CHighest 21 September, 2026
32.7 °C
Climate (2021–2026)
Sydney (Observatory Hill) (7km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
18.5 °CAverage High 2021–2026
23.6 °C