Bournda Lagoon Entrance Weather Forecast
- 16
- 25
Rain increasing
- 15
- 25
Sunny
- 14
- 24
Shower or two clearing
- 13
- 23
Partly cloudy
- 13
- 23
Partly cloudy
- 10
- 22
Mostly sunny
- 10
- 22
Mostly sunny
Today 21 Dec South Coast
Cloudy. The chance of fog in the south in the early morning. Very high chance of rain. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Light winds becoming north to northeasterly 15 to 25 km/h in the early afternoon then tending north to northwesterly in the evening. Overnight temperatures falling to between 15 and 18 with daytime temperatures reaching 24 to 29.
Eden Coastal Waters
Montague Island to Gabo Island- Wind
- South to southeasterly about 10 knots tending northeast to southeasterly 10 to 15 knots in the middle of the day then tending north to northeasterly 15 to 25 knots in the early afternoon. Winds reaching up to 30 knots in the evening.
- Seas
- Below 1 metre, increasing to 1.5 metres by early evening.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Cloudy. 90% chance of rain. The chance of a thunderstorm in the afternoon and evening.
Bournda Lagoon Entrance Temperature Statistics View More
December Temperature
Merimbula Airport (10km)
Lowest 1 December, 2025
5.8 °CAverage December
17.9 °CHighest 4 December, 2025
29.5 °C
Climate (2020–Present)
Merimbula Airport (10km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
15.3 °CAverage High 2020–2025
21 °C