Castaways Beach Weather Forecast
- 10
- 25
Possible shower
- 11
- 23
Sunny
- 12
- 21
Possible shower
- 13
- 21
Showers
- 14
- 20
Showers
- 13
- 21
Showers
- 14
- 22
Showers
Today 12 Aug Sunshine Coast
Cloudy. Medium chance of showers, most likely later this evening. Light winds becoming southwesterly 15 to 20 km/h in the late evening.
Sunshine Coast Waters
Double Island Point to Cape Moreton- Wind
- Variable about 10 knots becoming northwest to northeasterly 15 to 20 knots in the late afternoon then shifting west to southwesterly in the late evening. Winds reaching up to 30 knots offshore in the late evening. Squalls possible with the wind change.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres offshore later in the evening.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Partly cloudy. 50% chance of showers later this evening.
- Weather Situation
- A weak trough will move over the east coast later today, clearing the South Queensland Waters overnight. A firm ridge will extend over the southern waters by Thursday and persist for several days, as a strong high moves east across southern Australia. Moderate to fresh westerly winds will develops across the far southeastern waters this evening in the wake of the trough, easing and turning southeasterly during Thursday.
Castaways Beach Temperature Statistics View More
August Temperature
Tewantin (7km)
Lowest 11 August, 2026
8.2 °CAverage August
15.8 °CHighest 10 August, 2026
24.2 °C
Climate (2021–2026)
Tewantin (7km)
Average Low 2021–2026
17.4 °CAverage 2021–2026
21.1 °CAverage High 2021–2026
25.8 °C