Flatrock Beach Weather Forecast
- 15
- 19
Shower or two
- 15
- 20
Shower or two
- 13
- 21
Partly cloudy
- 13
- 23
Cloud clearing
- 13
- 24
Sunny
- 13
- 23
Mostly sunny
- 14
- 22
Possible shower
Today 21 Apr South Coast
Partly cloudy. Slight chance of a shower in the north, near zero chance elsewhere. Winds south to southeasterly 15 to 20 km/h becoming light in the late afternoon. Daytime maximum temperatures between 17 and 21.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- 1st Swell
- Southeasterly 2 to 2.5 metres.
- Weather
- Cloudy.
- Weather Situation
- A high pressure over the Southern Tasman Sea is slowly drifting east towards New Zealand, while a deep low pressure over the eastern Tasman Sea is weakening, maintaining fresh southerly airstream over the coastal waters. Winds over the southern and central coastal waters will tend east to northeasterly mid to late this week as a ridge extending from the high becomes the dominant feature.
Flatrock Beach Temperature Statistics View More
April Temperature
Ulladulla (14km)
Lowest 18 April, 2026
7.8 °CAverage April
18.1 °CHighest 7 April, 2026
29.5 °C
Climate (2021–Present)
Ulladulla (14km)
Average Low 2021–2026
13.8 °CAverage 2021–2026
17 °CAverage High 2021–2026
20.9 °C