Racecourse Bay Weather Forecast
- 12
- 20
Partly cloudy
- 12
- 17
Windy
- 10
- 16
Cloudy
- 8
- 20
Cloudy
- 8
- 30
Sunny
- 12
- 30
Partly cloudy
- 14
- 25
Partly cloudy
Today 13 Dec Lower South East
Partly cloudy. The chance of a thunderstorm in the north this morning. Winds southerly 15 to 20 km/h turning west to southwesterly 25 to 35 km/h in the afternoon. Daytime maximum temperatures 21 to 29.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Southerly 15 to 20 knots turning westerly in the late afternoon. Winds reaching up to 25 knots south of Port MacDonnell in the late evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning, then increasing to 1 to 1.5 metres later in the evening.
- 1st Swell
- Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning.
- Weather
- Partly cloudy.
- Weather Situation
- A slow moving broad high pressure system in the Indian Ocean will build a ridge across coastal waters on today and establish itself south of the Bight on Sunday and Monday. The high is forecast to move east into the Tasman Sea on Tuesday while maintaining a ridge over coastal waters.
Racecourse Bay Temperature Statistics View More
December Temperature
Mount Gambier Airport (34km)
Lowest 7 December, 2025
4.7 °CAverage December
14.8 °CHighest 3 December, 2025
28.6 °C
Climate (2020–Present)
Mount Gambier Airport (34km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.6 °CAverage High 2020–2025
19.9 °C