Captains Beach Weather Forecast

    • 14
    • 24

    Shower or two

    • 16
    • 23

    Possible early shower

    • 14
    • 24

    Partly cloudy

    • 13
    • 27

    Mostly sunny

    • 17
    • 28

    Shower or two. Possible storm

    • 18
    • 27

    Possible shower

    • 18
    • 28

    Partly cloudy

Today 31 Dec Illawarra

Cloudy. Medium chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the afternoon and evening, possibly severe with damaging winds about the Southern Highlands. Winds south to southeasterly 15 to 20 km/h tending east to southeasterly 15 to 25 km/h in the middle of the day then tending south to southeasterly 15 to 20 km/h in the evening. Daytime maximum temperatures in the low to mid 20s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Southerly about 10 knots increasing to 15 to 20 knots in the middle of the day.
Seas
Around 1 metre.
1st Swell
Easterly 1.5 to 2.5 metres, tending southeasterly 2 to 2.5 metres by early evening.
Weather
Partly cloudy.
Weather Situation
A trough will brush the coastal waters early this morning, bringing a surge of fresh southerly winds along the coast, followed by a new ridge extending from a high passing to the south of the state, gradually turning winds northeasterly.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Captains Beach Temperature Statistics View More

December Temperature

Point Perpendicular (9km)

  • Lowest 2 December, 2025

    10.3 °C

  • Average December

    19.9 °C

  • Highest 5 December, 2025

    33 °C

Climate (2020–Present)

Point Perpendicular (9km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    17.4 °C

  • Average High 2020–2025

    20.7 °C
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