Flinders Islet Weather Forecast
- 17
- 28
Sunny
- 17
- 30
Sunny
- 19
- 25
Shower or two
- 13
- 17
Possible shower
- 14
- 21
Possible shower
- 15
- 24
Mostly sunny
- 15
- 27
Sunny
Today 19 Sep Wollongong
Sunny. Winds west to southwesterly 20 to 30 km/h.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Westerly 15 to 20 knots, reaching up to 25 knots offshore south of Port Kembla early in the morning. Winds turning north to northwesterly 10 to 15 knots during the morning and early afternoon then tending west to northwesterly 15 to 20 knots in the evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning.
- 1st Swell
- Southerly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore south of Port Kembla.
- Weather
- Sunny.
Flinders Islet Temperature Statistics View More
September Temperature
Bellambi (9km)
Lowest 16 September, 2026
9.2 °CAverage September
16.7 °CHighest 5 September, 2026
30.7 °C
Climate (2021–2026)
Bellambi (9km)
Average Low 2021–2026
15.1 °CAverage 2021–2026
18 °CAverage High 2021–2026
21.8 °C