Mouth Flat Beach Weather Forecast
- 16
- 21
Partly cloudy
- 12
- 19
Cloudy
- 12
- 25
Partly cloudy
- 16
- 21
Partly cloudy
- 13
- 24
Sunny
- 16
- 25
Partly cloudy
- 17
- 23
Shower
Today 19 Apr Kangaroo Island
Partly cloudy. Winds south to southwesterly 15 to 25 km/h tending south to southeasterly 15 to 20 km/h during the afternoon and evening. Daytime maximum temperatures in the low 20s.
South Central Coastal Waters
- Wind
- South to southwesterly 10 to 15 knots tending south to southeasterly during the afternoon and evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly around 1 metre, increasing to 1 to 2 metres during the afternoon.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system centred west of Tasmania extends a ridge over western Victoria. A cold front over the far west of SA will weaken as it moves eastwards over central and eastern parts this morning. The high will move eastwards to be centred southeast of Tasmania later today but will continue to extend a ridge over SA early next week. Another front will move across the south of SA late Tuesday and early Wednesday then another high will move across waters to the south during Wednesday.
Mouth Flat Beach Temperature Statistics View More
April Temperature
Cape Willoughby (17km)
Lowest 11 April, 2026
10.5 °CAverage April
16.2 °CHighest 6 April, 2026
25.4 °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