Ballast Head Weather Forecast
- 10
- 16
Shower or two
- 11
- 19
Showers. Possible storm
- 13
- 18
Showers. Wind easing
- 11
- 16
Showers
- 10
- 16
Showers
- 10
- 18
Shower or two
- 10
- 18
Shower or two
Today 31 May Kangaroo Island
Cloudy. High chance of showers, most likely at night. Winds west to southwesterly 15 to 25 km/h becoming light in the middle of the day then becoming northerly 15 to 25 km/h in the evening. Overnight temperatures falling to between 8 and 11 with daytime temperatures reaching around 16.
Investigator Strait Coastal Waters
- Wind
- West to southwesterly 15 to 20 knots becoming west to northwesterly about 10 knots in the early afternoon then tending northerly 15 to 20 knots in the evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre around midday.
- 1st Swell
- West to southwesterly 1 to 1.5 metres, decreasing to around 1 metre later in the evening.
- Weather
- Partly cloudy. 70% chance of showers.
- Weather Situation
- A weak high pressure system moves across from the west today. A significant low pressure system moves over waters to the south of SA on Monday and Tuesday reaching western Bass Strait Tuesday afternoon. A another low pressure moves over waters to the southeast on Wednesday. A high pressure system follows the low moving across northern parts of SA later in the week.
Ballast Head Temperature Statistics View More
May Temperature
Kingscote Airport (25km)
Lowest 22 May, 2026
4.9 °CAverage May
13.9 °CHighest 1 May, 2026
27.1 °C
Climate (2021–Present)
Kingscote Airport (25km)
Average Low 2021–2026
9.3 °CAverage 2021–2026
14.8 °CAverage High 2021–2026
21.1 °C