Mewstone Rock Weather Forecast
- 16
- 25
Rain increasing
- 15
- 25
Mostly sunny
- 14
- 23
Possible shower
- 13
- 24
Partly cloudy
- 13
- 22
Partly cloudy
- 11
- 22
Mostly sunny
- 11
- 23
Sunny
Today 21 Dec South Coast
Cloudy. The chance of fog in the south early this morning. Very high chance of rain, most likely during this afternoon and evening. The chance of a thunderstorm during this 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. Daytime maximum temperatures 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 during this afternoon and evening.
- Weather Situation
- A high in the Tasman Sea is directing northerly winds over central and northern Coastal Waters while a weak coastal trough brings southerly winds to the remainder. A cold front will bring a fresh to strong southerly change to the southern half on Monday.
Mewstone Rock Temperature Statistics View More
December Temperature
Merimbula Airport (17km)
Lowest 1 December, 2025
5.8 °CAverage December
18.3 °CHighest 19 December, 2025
31 °C
Climate (2020–Present)
Merimbula Airport (17km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
15.3 °CAverage High 2020–2025
21.1 °C