Mouth Flat Beach Weather Forecast
- 13
- 19
Partly cloudy
- 14
- 23
Shower
- 17
- 25
Shower
- 15
- 20
Cloudy
- 13
- 22
Shower
- 16
- 23
Shower
- 12
- 17
Shower
Today 4 Apr Kangaroo Island
Partly cloudy. Winds easterly 20 to 30 km/h. Daytime maximum temperatures in the low 20s.
South Central Coastal Waters
- Wind
- Easterly 15 to 20 knots.
- Seas
- 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Southwesterly 2 to 3 metres, decreasing to 2 metres later in the evening.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system southeast of the Bight will continue to move southeastwards to be centred southeast of Tasmania by Sunday allowing a trough over WA to link to a weak front south of the Bight moving over western and southern parts of SA later Sunday into Monday. Another high pressure system is expected to follow early next week.
Mouth Flat Beach Temperature Statistics View More
April Temperature
Cape Willoughby (17km)
Lowest 2 April, 2026
14.3 °CAverage April
17.4 °CHighest 1 April, 2026
21.7 °C
Climate (2021–Present)
Cape Willoughby (17km)
Average Low 2021–2026
13.3 °CAverage 2021–2026
15.4 °CAverage High 2021–2026
18.4 °C