Sussex Inlet Boat Ramp (Boatharbour Drive) Weather Forecast
- 11
- 19
Clear
- 10
- 24
Possible shower developing
- 14
- 19
Sunny
- 9
- 20
Mostly sunny
- 12
- 20
Showers
- 8
- 16
Shower or two
- 9
- 20
Sunny
Today 18 Sep Illawarra
Clear. Winds north to northeasterly 15 to 20 km/h becoming light in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- North to northeasterly 15 to 20 knots tending north to northwesterly in the evening. Winds reaching up to 25 knots offshore north of Port Kembla in the late evening.
- Seas
- Around 1 metre, increasing to 1.5 metres offshore later in the evening.
- 1st Swell
- Southerly 1 to 1.5 metres.
- Weather
- Mostly clear.
- Weather Situation
- In the wake of a cold front, south to southwesterly winds will tend northerly and strengthen today as a high pressure system drifts across the coastal waters. Winds will shift west to southwesterly again over the weekend as a stronger cold front moves over NSW coastal waters, with southwesterly winds persisting into early next week as a series of fronts brush the south of the state.
Sussex Inlet Boat Ramp (Boatharbour Drive) Temperature Statistics View More
September Temperature
Point Perpendicular (21km)
Lowest 1 September, 2025
9.2 °CAverage September
16.3 °CHighest 16 September, 2025
28 °C
Climate (2020–Present)
Point Perpendicular (21km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
17.4 °CAverage High 2020–2025
20.7 °C