Boat Harbour Beach Weather Forecast
- 15
- 18
Cloudy
- 13
- 20
Cloud clearing
- 13
- 24
Sunny
- 16
- 28
Mostly sunny
- 18
- 26
Showers
- 17
- 21
Shower or two
- 15
- 21
Possible shower
Today 28 Sep Sydney
Cloudy. Winds east to southeasterly 15 to 20 km/h becoming light in the evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Southeasterly 10 to 15 knots becoming easterly below 10 knots in the late evening.
- Seas
- Below 1 metre.
- 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.
Boat Harbour Beach Temperature Statistics View More
September Temperature
Sydney Airport (10km)
Lowest 18 September, 2026
9.1 °CAverage September
18.2 °CHighest 26 September, 2026
33.8 °C
Climate (2021–2026)
Sydney Airport (10km)
Average Low 2021–2026
15 °CAverage 2021–2026
18.8 °CAverage High 2021–2026
23.5 °C