Boat Harbour Weather Forecast
- 17
- 30
Mostly sunny
- 14
- 24
Possible shower
- 11
- 25
Sunny
- 13
- 30
Sunny
- 14
- 23
Shower or two
- 13
- 20
Shower or two
- 14
- 23
Possible shower
Today 16 Nov Illawarra
Mostly sunny. Slight chance of a shower in the north early this morning. Near zero chance of rain elsewhere. Winds west to northwesterly 15 to 25 km/h increasing to 35 km/h before tending west to southwesterly 15 to 20 km/h during the day. Daytime maximum temperatures 25 to 30.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- West to northwesterly 10 to 15 knots turning north to northeasterly in the middle of the day then tending northwest to southwesterly in the late evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning.
- 1st Swell
- Northeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
- Weather
- Cloud clearing.
- Weather Situation
- Northerly winds ahead of an inland trough approaching the coast during Sunday. A south to southwesterly wind change will spread north along the coast as the trough moves offshore late Sunday and during Monday. Clearer conditions from Tuesday as a ridge of high pressure extends across the central New South Wales coast, then moderate to fresh northerly winds developing into the midweek period ahead of the next trough.
Boat Harbour Temperature Statistics View More
November Temperature
Point Perpendicular (2km)
Lowest 12 November, 2025
11 °CAverage November
18 °CHighest 8 November, 2025
28.4 °C
Climate (2020–Present)
Point Perpendicular (2km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
20.7 °C