Yowie Bay Marina Weather Forecast
- 22
- 34
Possible shower or storm
- 24
- 29
Possible shower
- 20
- 28
Becoming windy. Partly cloudy
- 19
- 27
Partly cloudy
- 19
- 23
Shower or two
- 18
- 22
Partly cloudy
- 17
- 23
Partly cloudy
Today 21 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 northwest to northeasterly 15 to 25 km/h in the middle of the day then tending south to southwesterly 15 to 20 km/h in the evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Northwest to northeasterly 15 to 20 knots tending east to northeasterly 10 to 15 knots in the middle of the day then tending north to northeasterly 15 to 20 knots in the early afternoon. Winds reaching up to 30 knots offshore in the evening.
- Seas
- Around 1 metre, increasing to 1.5 to 2.5 metres during the afternoon.
- 1st Swell
- Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore during the morning.
- Weather
- Mostly sunny. The chance of a thunderstorm during this afternoon and early evening.
- Weather Situation
- A high in the Tasman Sea is directing northerly winds over central and northern Coastal Waters while a weak coastal trough brings southerly winds to the remainder. A cold front will bring a fresh to strong southerly change to the southern half on Monday.
Yowie Bay Marina Temperature Statistics View More
December Temperature
Sydney Airport (12km)
Lowest 2 December, 2025
13.4 °CAverage December
23.1 °CHighest 19 December, 2025
42.6 °C
Climate (2020–Present)
Sydney Airport (12km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23.3 °C