Bournda Island Weather Forecast
- 11
- 25
Partly cloudy
- 11
- 24
Showers
- 8
- 17
Shower or two
- 6
- 18
Partly cloudy
- 6
- 21
Sunny
- 8
- 25
Sunny
- 11
- 27
Possible shower
Today 25 Sep South Coast
Partly cloudy. Slight chance of a shower in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening. Light winds. Daytime maximum temperatures 25 to 31.
Eden Coastal Waters
Montague Island to Gabo Island- Wind
- Northwest to northeasterly about 10 knots, reaching up to 20 knots offshore in the late morning and early afternoon.
- Seas
- 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Partly cloudy. The chance of a thunderstorm inshore in the afternoon and evening.
- Weather Situation
- A high pressure system over the Tasman Sea directs a northeasterly flow through the coastal waters. A cold front and trough will enter the Tasman Sea early Saturday, bringing a southerly change which will gradually track northward through the weekend.
Bournda Island Temperature Statistics View More
September Temperature
Merimbula Airport (10km)
Lowest 18 September, 2026
3.2 °CAverage September
14 °CHighest 19 September, 2026
30.7 °C
Climate (2021–2026)
Merimbula Airport (10km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
15.4 °CAverage High 2021–2026
21.2 °C