Warrnambool Offshore Weather Forecast
- 11
- 18
Rain increasing
- 11
- 19
Shower or two
- 12
- 18
Shower or two
- 11
- 19
Shower or two. Becoming windy
- 11
- 17
Cloudy
- 11
- 19
Cloudy
- 9
- 25
Partly cloudy
Today 21 Dec Warrnambool
Cloudy. Very high chance of rain, becoming less likely in the evening. Winds southeasterly 20 to 30 km/h turning southwesterly 30 to 40 km/h in the late afternoon then decreasing to 25 to 30 km/h in the evening.
West Victoria Coastal Waters
SA-Vic Border to Cape Otway- Wind
- Southeasterly 10 to 15 knots turning southwesterly 20 to 25 knots in the late afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the afternoon, then increasing to 1.5 to 2 metres by early evening.
- 1st Swell
- South to southwesterly 1 to 1.5 metres.
- Weather
- Cloudy. 90% chance of rain.
- Weather Situation
- A low pressure system south of the Bight will move east and combine with a broad trough over western Victoria early Sunday. The low pressure system will then deepen and slowly move southeast across the State during Sunday to clear into eastern Bass Strait late Sunday. A high pressure ridge then builds across Victoria and Bass Strait during Monday. A weak cold front crosses Bass Strait during late Monday and early Tuesday with the ridge re-establishing itself from Tuesday to Thursday.
Warrnambool Offshore Temperature Statistics View More
December Temperature
Warrnambool Airport (13km)
Lowest 12 December, 2025
3.7 °CAverage December
15.2 °CHighest 18 December, 2025
34.7 °C
Climate (2020–Present)
Warrnambool Airport (13km)
Average Low 2020–2025
8.8 °CAverage 2020–2025
13.4 °CAverage High 2020–2025
19 °C