Shell Cove Weather Forecast

    • 19
    • 25

    Shower or two

    • 13
    • 18

    Shower or two

    • 14
    • 20

    Shower or two

    • 16
    • 22

    Mostly sunny

    • 16
    • 24

    Mostly sunny

    • 17
    • 26

    Shower or two

    • 15
    • 18

    Shower or two

Today 21 Sep Illawarra

Mostly sunny morning. High chance of showers, most likely in the afternoon and evening. The chance of a thunderstorm in the north in the afternoon. Winds west to northwesterly 25 to 40 km/h shifting south to southeasterly 25 to 35 km/h during the morning. Overnight temperatures falling to between 14 and 19 with daytime temperatures reaching 22 to 28.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Northwesterly 15 to 20 knots shifting southerly 15 to 25 knots in the morning. Winds reaching up to 30 knots in the late afternoon.
Seas
1 to 1.5 metres, increasing to 2 to 2.5 metres around midday.
1st Swell
Southerly 1 to 1.5 metres, increasing to 2 to 3 metres around midday.
Weather
Becoming cloudy.
Weather Situation
A high pressure system over the Tasman Sea directs a northwesterly flow over much of the state, with a fresh and gusty southerly change moving across the coastal waters today, reaching the QLD border by Tuesday. A second high pressure system is forecast to slip south and enter the Tasman Sea by mid-week, turning the winds east to northeasterly.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shell Cove Temperature Statistics View More

September Temperature

Kiama (Bombo Headland) (7km)

  • Lowest 18 September, 2026

    9.3 °C

  • Average September

    16.9 °C

  • Highest 5 September, 2026

    29.8 °C

Climate (2021–2026)

Kiama (Bombo Headland) (7km)

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  • Average Low 2021–2026

    14.9 °C

  • Average 2021–2026

    17.9 °C

  • Average High 2021–2026

    21.5 °C
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