Mouth Flat Beach Weather Forecast
- 12
- 19
Partly cloudy
- 11
- 23
Partly cloudy
- 12
- 16
Cloudy
- 11
- 16
Cloudy
- 10
- 15
Cloudy
- 10
- 16
Partly cloudy
- 10
- 19
Partly cloudy
Today 10 Oct Kangaroo Island
Partly cloudy. Medium chance of showers in the west, becoming less likely later this evening. Near zero chance of rain elsewhere. Winds west to northwesterly 25 to 35 km/h becoming northwesterly 15 to 25 km/h in the evening then becoming light in the late evening.
South Central Coastal Waters
- Wind
- West to northwesterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre later in the evening.
- 1st Swell
- Westerly 3 to 5 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A trough and cold front cross SA on Sunday and clear to the east by late Monday. A ridge of high pressure will then extend into SA, with the associated high moving into waters south from Tuesday. A trough in the interior of WA will also extend into northern SA at times from Monday until later in the week.
Mouth Flat Beach Temperature Statistics View More
October Temperature
Cape Willoughby (17 km)
Lowest 7 October, 2026
11.3 °CAverage October
14.8 °CHighest 8 October, 2026
24.3 °C
Climate (2021–2026)
Cape Willoughby (17 km)
Average Low 2021–2026
13.4 °CAverage 2021–2026
15.4 °CAverage High 2021–2026
18.5 °C