Dark Bay Weather Forecast
- 19
- 21
Shower or two
- 16
- 18
Possible shower
- 16
- 20
Partly cloudy
- 17
- 22
Partly cloudy
- 17
- 24
Partly cloudy
- 17
- 26
Cloud clearing
- 19
- 29
Partly cloudy
Today 25 Dec Sydney
Cloudy. Medium chance of showers, most likely in the morning. Winds southerly 25 to 35 km/h decreasing to 15 to 25 km/h in the early morning then turning southeasterly 25 to 35 km/h in the morning.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Southeasterly 20 to 30 knots tending southerly 15 to 25 knots in the early morning then increasing to 20 to 30 knots in the late afternoon.
- Seas
- Around 1 metre, increasing to 1.5 to 2.5 metres during the morning.
- 1st Swell
- Southerly 1 to 1.5 metres, increasing to 2 to 3 metres during the morning.
- Weather
- Cloudy. 50% chance of showers. The chance of a thunderstorm offshore in the early morning.
- Caution
- Large and powerful surf conditions in the evening are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
Dark Bay Temperature Statistics View More
December Temperature
Sydney Airport (14km)
Lowest 2 December, 2025
13.4 °CAverage December
23.5 °CHighest 19 December, 2025
42.6 °C
Climate (2020–Present)
Sydney Airport (14km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
18.7 °CAverage High 2020–2025
23.4 °C