Green Patch Weather Forecast
- 15
- 31
Partly cloudy
- 14
- 23
Rain at times
- 15
- 37
Possible rain. Becoming windy
- 13
- 21
Mostly sunny
- 11
- 24
Partly cloudy
- 13
- 25
Possible shower
- 15
- 27
Shower or two
Today 20 Oct Illawarra
Mostly clear. Winds west to northwesterly 25 to 35 km/h turning south to southwesterly 15 to 20 km/h in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 20 knots tending southeast to southwesterly in the late evening. Winds reaching up to 30 knots north of Point Perpendicular in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore north of Port Kembla.
- 1st Swell
- Northeasterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Port Kembla.
- Weather
- Mostly clear.
- Weather Situation
- A high pressure ridge lies over the northern NSW waters today, which a trough is slowly moving north along the south coast reaching central parts of the coast by Tuesday. Wednesday, a cold front will bring gusty north to northwesterly winds along the coast followed by a fresh and gusty southwesterly wind change later, likely commencing in the south during the afternoon and reaching the northern border by Thursday afternoon. Behind this, a high pressure system is forecast to settle over the waters on Thursday.
Green Patch Temperature Statistics View More
October Temperature
Point Perpendicular (8km)
Lowest 14 October, 2025
11.5 °CAverage October
18.7 °CHighest 17 October, 2025
29.9 °C
Climate (2020–Present)
Point Perpendicular (8km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
20.7 °C