Sullivan Bay Weather Forecast
- 16
- 22
Shower
- 13
- 20
Shower
- 12
- 18
Shower
- 10
- 20
Shower
- 9
- 15
Shower
- 9
- 16
Shower
- 11
- 17
Shower
Today 3 May Mornington Peninsula
Partly cloudy. High chance of showers, becoming less likely this evening. The chance of a thunderstorm during this afternoon and evening. Winds northerly 20 to 30 km/h increasing to 30 to 45 km/h in the morning.
Port Phillip Local Waters
- Wind
- Northerly 15 to 25 knots, reaching up to 30 knots in the late morning.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre during the afternoon.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm during this afternoon and evening.
- Weather Situation
- A low pressure system drifts eastward south of the Bight, extending a cold front over western Bass Strait. This front will move slowly eastward, reaching eastern waters on Sunday afternoon. The low pressure system is then expected to move over Bass Strait or southern Victoria on Monday with a cool southwesterly airstream in its wake. A cold front moving south of the Bight is likely to reach western waters later Wednesday.
Sullivan Bay Temperature Statistics View More
May Temperature
Cerberus (36km)
Lowest 2 May, 2026
10.5 °CAverage May
17 °CHighest 1 May, 2026
27.8 °C
Climate (2021–Present)
Cerberus (36km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.5 °CAverage High 2021–2026
19.6 °C