Storm Bay Weather Forecast
- 13
- 23
Mostly sunny
- 16
- 23
Possible shower
- 17
- 20
Possible shower
- 17
- 22
Partly cloudy
- 17
- 24
Partly cloudy
- 19
- 26
Possible shower
- 20
- 28
Shower or two
Today 30 Dec Illawarra
Mostly sunny. The chance of fog inland in the early morning. Light winds becoming east to northeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching 24 to 30.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Variable about 10 knots becoming east to northeasterly 10 to 15 knots in the early afternoon then decreasing to about 10 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southeasterly 1.5 metres.
- Weather
- Mostly sunny.
- Weather Situation
- South to southeasterly winds are gradually turning east to northeast as a high pressure ridge over the coastal waters is weakening. Then a trough will brush the coastal waters midweek, bringing a surge of fresh southerly winds along the coast, and this will be followed by another ridge extending from a high passing to the south of the state.
Storm Bay Temperature Statistics View More
December Temperature
Kiama (Bombo Headland) (2km)
Lowest 2 December, 2025
11.9 °CAverage December
20.2 °CHighest 5 December, 2025
32.5 °C
Climate (2020–Present)
Kiama (Bombo Headland) (2km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.8 °CAverage High 2020–2025
21.4 °C