Boat Harbour Beach Weather Forecast
- 13
- 21
Shower or two
- 14
- 21
Sunny
- 11
- 19
Mostly sunny
- 10
- 19
Mostly sunny
- 11
- 21
Partly cloudy
- 13
- 18
Showers
- 13
- 17
Shower or two
Today 20 Aug South Coast
Partly cloudy. Medium chance of showers. Winds north to northwesterly 15 to 20 km/h becoming light in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 10 to 15 knots, reaching up to 20 knots offshore north of Point Perpendicular in the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore north of Port Kembla.
- 1st Swell
- Northeasterly below 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm south of Port Kembla in the late afternoon and evening.
- Weather Situation
- Fresh northerly winds will prevail today across the New South Wales coast as a trough approaches from the west. Winds are forecast to ease and generally shift westerly on Friday as a series of cold fronts brush the south. Then, another high pressure system is forecast to move into the Tasman Sea later into the weekend, turning the winds north to northeasterly by Sunday.
Boat Harbour Beach Temperature Statistics View More
August Temperature
Ulladulla (14km)
Lowest 8 August, 2026
7.3 °CAverage August
13.4 °CHighest 3 August, 2026
21 °C
Climate (2021–2026)
Ulladulla (14km)
Average Low 2021–2026
13.8 °CAverage 2021–2026
17.1 °CAverage High 2021–2026
20.9 °C