Boat Harbour Beach Weather Forecast
- 17
- 30
Windy. Cloudy
- 15
- 19
Cloudy
- 15
- 20
Cloudy
- 15
- 25
Mostly sunny
- 16
- 30
Sunny
- 19
- 30
Sunny morning. Shower or two
- 18
- 27
Shower or two
Today 14 Dec South Coast
Partly cloudy. Medium chance of showers. Winds northwest to southwesterly 25 to 35 km/h tending southeast to southwesterly 30 to 45 km/h in the early afternoon. Daytime maximum temperatures 26 to 33.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Northerly 15 to 20 knots shifting southerly 15 to 25 knots in the evening. Winds reaching up to 30 knots in the evening.
- Seas
- Around 1 metre, increasing to 1.5 to 2 metres south of Port Kembla by early evening.
- 1st Swell
- Northeasterly 1 to 1.5 metres, decreasing below 1 metre by early evening.
- Weather
- Mostly sunny.
- Weather Situation
- A trough and gusty wind change will move north across the coastal waters from Sunday afternoon, crossing the northern waters on Monday morning. A ridge will extend over the coastal waters in the wake of the trough, maintained by a high that will move east across southeast Australia on Tuesday.
Boat Harbour Beach Temperature Statistics View More
December Temperature
Ulladulla (14km)
Lowest 2 December, 2025
9.7 °CAverage December
19.2 °CHighest 6 December, 2025
37.1 °C
Climate (2020–Present)
Ulladulla (14km)
Average Low 2020–2025
13.8 °CAverage 2020–2025
17 °CAverage High 2020–2025
20.8 °C