Sullivan Bay Weather Forecast
- 10
- 23
Partly cloudy
- 14
- 23
Partly cloudy
- 14
- 24
Sunny
- 15
- 24
Partly cloudy
- 15
- 24
Partly cloudy
- 14
- 21
Partly cloudy
- 12
- 19
Partly cloudy
Today 21 Apr Mornington Peninsula
Sunny. Winds east to northeasterly 20 to 30 km/h.
Port Phillip Local Waters
- Wind
- Variable below 10 knots becoming east to northeasterly 10 to 15 knots in the morning then decreasing to about 10 knots in the late evening.
- Seas
- Below 1 metre.
- Weather
- Cloud clearing. Patchy fog in the north in the early morning with reduced visibility.
- Weather Situation
- A ridge of high pressure will continue to persist over Victoria in the coming days. A weak trough is expected to cross the southwest and pass through Bass Strait on Wednesday, briefly interrupting the ridge before a new high pressure system develops to the southwest. This high will pass through Bass Straight and move into the Tasman but will continue to extend a ridge over Victoria into Friday.
Sullivan Bay Temperature Statistics View More
April Temperature
Cerberus (36km)
Lowest 19 April, 2026
1.4 °CAverage April
14.9 °CHighest 1 April, 2026
28.3 °C
Climate (2021–Present)
Cerberus (36km)
Average Low 2021–2026
10.2 °CAverage 2021–2026
14.5 °CAverage High 2021–2026
19.6 °C