Thirteenth Beach Weather Forecast
- 15
- 21
Partly cloudy
- 11
- 19
Becoming windy. Cloudy
- 10
- 17
Cloudy
- 10
- 18
Cloudy
- 11
- 29
Sunny
- 14
- 31
Sunny
- 15
- 24
Partly cloudy
Today 13 Dec Geelong and Surf Coast
Partly cloudy. Slight chance of a shower. 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. Winds southerly 20 to 30 km/h shifting west to northwesterly and becoming light in the late evening.
Central Victoria Coastal Waters
Cape Otway to Wilsons Promontory- Wind
- Southwesterly 15 to 20 knots turning westerly in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres inshore by early evening.
- 1st Swell
- Southwesterly around 1 metre, increasing to 1 to 2 metres in the west.
- Weather
- Partly cloudy. The chance of a thunderstorm in the afternoon and evening.
- Weather Situation
- A high pressure system lies over the Tasman Sea and extends a broad ridge over eastern Bass Strait. A low pressure trough extends across the SA border into western Victoria and Bass Strait. The trough is expected to slowly move east over Victoria and Bass Strait during Saturday, entering from the west in the early morning and moving into eastern Coastal waters by the evening. The next cold front will cross Bass Strait during Sunday with a new high pressure ridge developing in its wake on Monday.
Thirteenth Beach Temperature Statistics View More
December Temperature
Avalon Airport (28km)
Lowest 7 December, 2025
6.6 °CAverage December
16.3 °CHighest 4 December, 2025
34.8 °C
Climate (2020–Present)
Avalon Airport (28km)
Average Low 2020–2025
9.6 °CAverage 2020–2025
14.5 °CAverage High 2020–2025
20.4 °C