Flinders Islet Weather Forecast
- 19
- 24
Showers. Storm developing
- 19
- 25
Showers increasing
- 18
- 21
Rain. Possible late storm
- 17
- 21
Showers. Possible late storm
- 18
- 22
Showers
- 18
- 23
Shower or two
- 18
- 22
Shower or two
Today 15 Jan Wollongong
Cloudy. High chance of showers, most likely late this afternoon and evening. A thunderstorm likely during this afternoon and evening, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds northeasterly 15 to 25 km/h increasing to 25 to 35 km/h in the middle of the day then turning northerly 20 to 30 km/h in the late evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northeasterly 15 to 25 knots, reaching up to 30 knots in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres around midday.
- 1st Swell
- Southerly below 1 metre.
- Weather
- Cloudy. 90% chance of showers. Thunderstorms during this afternoon and evening.
- Weather Situation
- A weak ridge lies over the New South Wales coast, maintaining an onshore east to northeasterly airstream. Winds will increase fresh to strong on Thursday, before a trough enters the south coast and develops into a low pressure system on Friday, bringing strong to gale force southeasterly winds in its wake as it tracks north. Then, a high pressure system will move into the south Tasman Sea, maintaining fresh to strong southeasterly winds over coastal waters.
Flinders Islet Temperature Statistics View More
January Temperature
Bellambi (9km)
Lowest 1 January, 2026
16.3 °CAverage January
21.8 °CHighest 10 January, 2026
41.9 °C
Climate (2021–Present)
Bellambi (9km)
Average Low 2021–2026
15 °CAverage 2021–2026
18 °CAverage High 2021–2026
21.8 °C