Marsden Head Weather Forecast

    • 19
    • 30

    Mostly sunny

    • 20
    • 31

    Possible shower

    • 20
    • 30

    Shower or two

    • 20
    • 28

    Shower or two. Possible storm

    • 21
    • 27

    Shower or two

    • 18
    • 26

    Shower or two

    • 17
    • 27

    Possible shower

Today 18 Dec Illawarra

The chance of fog in the early morning. Mostly sunny day. Winds north to northwesterly 15 to 20 km/h tending west to northwesterly 15 to 25 km/h in the morning. Overnight temperatures falling to between 14 and 18 with daytime temperatures reaching the mid to high 30s.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
North to northeasterly 15 to 25 knots.
Seas
1.5 to 2 metres.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Sunny.
Weather Situation
A high in the Tasman Sea is directing northerly winds over Coastal Waters. Later today or Friday a weak trough will bring a brief southerly change to much of the coast before winds turn northerly again over the weekend. Following this, a cold front will bring a fresh to strong southerly change later on Sunday or Monday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Marsden Head Temperature Statistics View More

December Temperature

Kiama (Bombo Headland) (3km)

  • Lowest 2 December, 2025

    11.9 °C

  • Average December

    20.1 °C

  • Highest 5 December, 2025

    32.5 °C

Climate (2020–Present)

Kiama (Bombo Headland) (3km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    17.8 °C

  • Average High 2020–2025

    21.4 °C
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