Mystery Bay Weather Forecast
- 19
- 28
Possible shower or storm
- 17
- 24
Showers
- 18
- 22
Mostly sunny
- 16
- 22
Shower or two
- 16
- 24
Mostly sunny
- 14
- 23
Possible early shower
- 13
- 22
Sunny
Today 20 Dec South Coast
Partly cloudy. Medium chance of showers, becoming less likely in the evening. A thunderstorm likely in the afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds northwest to northeasterly 15 to 20 km/h tending northeast to southeasterly in the middle of the day then becoming light in the evening. Daytime maximum temperatures 27 to 33.
Eden Coastal Waters
Montague Island to Gabo Island- Wind
- North to northeasterly 10 to 15 knots shifting southerly in the early afternoon. Winds reaching up to 20 knots inshore in the afternoon.
- Seas
- Around 1 metre.
- 1st Swell
- Northeasterly below 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm in the afternoon and early 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 later on Sunday or Monday.
Mystery Bay Temperature Statistics View More
December Temperature
Narooma (Marine Rescue) (9km)
Lowest 2 December, 2025
9.4 °CAverage December
19.2 °CHighest 14 December, 2025
30.5 °C
Climate (2020–Present)
Narooma (Marine Rescue) (9km)
Average Low 2020–2025
12.2 °CAverage 2020–2025
17.2 °CAverage High 2020–2025
20.5 °C