Three Brothers Rocks Weather Forecast
- 11
- 22
Windy. Partly cloudy
- 8
- 19
Shower or two
- 8
- 19
Mostly sunny
- 9
- 18
Partly cloudy
- 7
- 19
Partly cloudy
- 7
- 21
Sunny
- 7
- 23
Sunny
Today 6 Sep South Coast
Partly cloudy. Medium chance of showers near the Victorian border in the morning. Near zero chance of rain elsewhere. Damaging winds possible inland. Winds westerly 25 to 40 km/h turning south to southwesterly during the morning then becoming light in the evening. Overnight temperatures falling to between 8 and 13 with daytime temperatures reaching between 16 and 23.
Eden Coastal Waters
Montague Island to Gabo Island- Wind
- West to southwesterly 20 to 30 knots, reaching up to 35 knots offshore during the morning and early afternoon. Winds tending south to southwesterly 15 to 25 knots in the late morning and afternoon.
- Seas
- 1.5 to 2.5 metres, increasing to 2 to 4 metres during the morning, then decreasing to 1 to 1.5 metres later in the evening.
- 1st Swell
- South to southwesterly 3 to 5 metres, decreasing to 2 to 3 metres during the morning, then tending southerly 1.5 to 2.5 metres during the afternoon.
- Weather
- Partly cloudy.
Three Brothers Rocks Temperature Statistics View More
September Temperature
Montague Island Lighthouse (27km)
Lowest 1 September, 2026
12.4 °CAverage September
17.5 °CHighest 1 September, 2026
24.3 °C
Climate (2021–2026)
Montague Island Lighthouse (27km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
20 °C