Flatrock Beach Weather Forecast
- 10
- 19
Mostly clear
- 10
- 19
Sunny
- 11
- 20
Possible shower
- 14
- 20
Shower or two
- 14
- 21
Shower or two
- 13
- 21
Partly cloudy
- 13
- 22
Sunny
Today 18 Apr South Coast
Mostly clear. Winds south to southwesterly 20 to 30 km/h tending west to southwesterly 15 to 20 km/h in the evening then becoming light in the late evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southerly 15 to 20 knots, reaching up to 30 knots offshore during the afternoon and evening.
- Seas
- 1 to 1.5 metres, increasing to 2 to 2.5 metres offshore.
- 1st Swell
- Southerly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore south of Point Perpendicular.
- Weather
- Mostly clear.
- Caution
- Large and powerful surf conditions in the evening are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
- Weather Situation
- Southerly winds will be maintained during the weekend as a high pressure system over Victoria extends a ridge over the coastal waters and enters the southern Tasman Sea by Sunday. From Monday, winds should gradually turn southeasterly as the ridge persists through to mid-week.
Flatrock Beach Temperature Statistics View More
April Temperature
Ulladulla (14km)
Lowest 14 April, 2026
11.4 °CAverage April
19 °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