Avalon Beach Offshore Weather Forecast
- 15
- 21
Mostly clear
- 13
- 21
Sunny
- 13
- 19
Possible shower
- 13
- 22
Sunny
- 15
- 21
Showers
- 15
- 19
Shower or two
- 13
- 18
Partly cloudy
Today 21 Aug Sydney
Mostly clear. Light winds.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Northerly 10 to 15 knots, reaching up to 20 knots offshore during the afternoon and evening. Winds turning west to northwesterly in the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres offshore.
- 1st Swell
- Northeasterly below 1 metre.
- Weather
- Mostly clear.
- Weather Situation
- Winds are forecast to ease and generally shift westerly today as a series of cold fronts brush the south. Then, another high pressure system is forecast to move into the Tasman Sea later into the weekend, gradually backing the winds north to northeasterly by Sunday. Winds are forecast to freshen during early next week as the next front approaches the coastal waters, crossing by mid next week.
Avalon Beach Offshore Temperature Statistics View More
August Temperature
Terrey Hills (18km)
Lowest 5 August, 2026
4.6 °CAverage August
12.3 °CHighest 3 August, 2026
20.5 °C
Climate (2021–2026)
Terrey Hills (18km)
Average Low 2021–2026
13.6 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
21.9 °C