Stack Island Weather Forecast
- 14
- 23
Partly cloudy
- 16
- 26
Showers. Possible storm
- 17
- 22
Shower or two
- 16
- 23
Shower or two
- 17
- 24
Showers easing
- 17
- 23
Shower or two
- 14
- 20
Shower or two
Today 30 Oct Illawarra
Partly cloudy. Winds north to northeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northeasterly 20 to 25 knots, reaching up to 30 knots offshore south of Point Perpendicular in the evening. Winds turning northerly in the late evening.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres south of Port Kembla.
- 1st Swell
- Southerly 2 metres.
- Weather
- Mostly clear.
- Caution
- Surf conditions in the afternoon may be more powerful than they appear and are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
- Weather Situation
- North to northeasterly winds strengthen this evening as a trough approaches from the west, with a southerly change expected to move along the southern half of the coast during Sunday, reaching the Byron coast early Monday. A ridge over the Tasman Sea turns winds north to northeasterly during Monday ahead of another trough that moves up the coast as a southerly change Tuesday.
Stack Island Temperature Statistics View More
October Temperature
Kiama (Bombo Headland) (3 km)
Lowest 9 October, 2026
11.4 °CAverage October
18 °CHighest 12 October, 2026
34.3 °C
Climate (2021–2026)
Kiama (Bombo Headland) (3 km)
Average Low 2021–2026
14.9 °CAverage 2021–2026
17.9 °CAverage High 2021–2026
21.5 °C