Little Marley Beach Weather Forecast
- 13
- 20
Mostly sunny
- 13
- 23
Shower or two
- 18
- 21
Sunny
- 11
- 20
Partly cloudy
- 13
- 21
Shower or two
- 13
- 17
Shower or two
- 11
- 19
Sunny
Today 18 Sep Sydney
Sunny. Light winds becoming northeasterly 15 to 20 km/h in the early afternoon then becoming light in the evening.
Illawarra Coastal Waters
Port Hacking to Ulladulla- Wind
- Southeast to southwesterly 10 to 15 knots tending northeast to southeasterly in the morning then tending north to northeasterly 15 to 20 knots in the middle of the day. Winds reaching up to 25 knots offshore north of Port Kembla in the late evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
- 1st Swell
- Southerly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- Weather
- Partly cloudy. 70% chance of showers.
- 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.
Little Marley Beach Temperature Statistics View More
September Temperature
Sydney Airport (19km)
Lowest 1 September, 2025
9 °CAverage September
17.7 °CHighest 8 September, 2025
30.1 °C
Climate (2020–Present)
Sydney Airport (19km)
Average Low 2020–2025
14.7 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23.3 °C