Cat Bay Weather Forecast
- 9
- 15
Showers
- 5
- 12
Showers
- 4
- 13
Shower or two
- 4
- 14
Partly cloudy
- 4
- 14
Sunny
- 3
- 16
Sunny
- 5
- 18
Mostly sunny
Today 15 Aug Central
Partly cloudy. High chance of showers in the east, medium chance elsewhere. Possible small hail later tonight. Winds northwesterly 15 to 25 km/h.
Western Port Local Waters
- Wind
- Northwesterly 10 to 15 knots, reaching up to 20 knots west of Sandy Point in the evening. Winds decreasing to about 10 knots in the evening.
- Seas
- Below 1 metre.
- Weather
- Partly cloudy. 70% chance of showers, with possible small hail later tonight.
- Weather Situation
- A cold front continues eastward over Bass Strait this evening. A subsequent trough moves over coastal waters on Saturday morning. A low pressure system approaches western Bass Strait early on Sunday, then moves northwards over western Victoria during the day as a ridge extends over coastal waters from a high in the Bight. The high is forecast to drift east of Tasmania by the end of Tuesday.
Cat Bay Temperature Statistics View More
August Temperature
Rhyll (14km)
Lowest 1 August, 2025
6.6 °CAverage August
10.9 °CHighest 10 August, 2025
16.2 °C
Climate (2020–Present)
Rhyll (14km)
Average Low 2020–2025
12.1 °CAverage 2020–2025
15.1 °CAverage High 2020–2025
19.3 °C