Bundeena Bay Weather Forecast
- 17
- 23
Possible shower
- 19
- 20
Possible morning shower
- 18
- 23
Partly cloudy
- 19
- 25
Partly cloudy
- 20
- 29
Possible shower or storm
- 22
- 26
Possible shower
- 21
- 26
Partly cloudy
Today 31 Dec Sydney
Partly cloudy. Medium chance of showers during this afternoon and evening. The chance of a thunderstorm during this afternoon and early evening. Light winds becoming southeasterly 15 to 25 km/h in the middle of the day.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Variable about 10 knots becoming southeasterly 10 to 15 knots in the middle of the day then tending southerly in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southeasterly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
- Caution
- Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
- Weather Situation
- A trough will brush the coastal waters early this morning, bringing a surge of fresh southerly winds along the coast, followed by a new ridge extending from a high passing to the south of the state, gradually turning winds northeasterly.
Bundeena Bay Temperature Statistics View More
December Temperature
Sydney Airport (15km)
Lowest 2 December, 2025
13.4 °CAverage December
22.5 °CHighest 19 December, 2025
42.6 °C
Climate (2020–Present)
Sydney Airport (15km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
18.7 °CAverage High 2020–2025
23.4 °C