Boat Harbour Beach Weather Forecast
- 17
- 24
Cloudy
- 16
- 27
Sunny day. Late shower or two
- 15
- 19
Early shower or two
- 13
- 19
Partly cloudy
- 13
- 20
Sunny
- 14
- 22
Partly cloudy
- 15
- 24
Mostly sunny
Today 23 Dec South Coast
Partly cloudy. Slight chance of a shower in the north, near zero chance elsewhere. Winds northeast to southeasterly 20 to 30 km/h becoming light in the late evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southeasterly 15 to 25 knots, reaching up to 30 knots offshore north of Point Perpendicular in the late afternoon. Winds decreasing to 10 to 15 knots in the late evening.
- Seas
- 1.5 metres, increasing to 1.5 to 2 metres offshore.
- 1st Swell
- Southerly around 1 metre.
- Weather
- Partly cloudy.
- Weather Situation
- A fresh to strong southerly change tracks north over coastal waters today in the wake of a trough. Winds will briefly turn northerly before a high pressure system builds in the Bight, directing another, stronger, southerly change over NSW coastal waters on Wednesday through Thursday.
Boat Harbour Beach Temperature Statistics View More
December Temperature
Ulladulla (14km)
Lowest 2 December, 2025
9.7 °CAverage December
20 °CHighest 6 December, 2025
37.1 °C
Climate (2020–Present)
Ulladulla (14km)
Average Low 2020–2025
13.7 °CAverage 2020–2025
17 °CAverage High 2020–2025
20.8 °C