Long Beach Weather Forecast

    • 6
    • 28

    Sunny

    • 13
    • 33

    Sunny

    • 14
    • 37

    Sunny

    • 17
    • 31

    Partly cloudy

    • 13
    • 24

    Cloudy

    • 12
    • 22

    Shower

    • 12
    • 20

    Shower

Today 16 Dec Lower South East

Sunny. Light winds becoming southeasterly 15 to 25 km/h in the early afternoon then becoming light in the evening. Daytime maximum temperatures 24 to 30.

Upper South East Coastal Waters

Murray Mouth to Cape Jaffa
Wind
Southeasterly 10 to 15 knots tending easterly in the early morning then turning south to southeasterly in the middle of the day. Winds reaching up to 20 knots inshore in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon.
Weather
Sunny.
Weather Situation
A high pressure system to the south of the state will maintain a ridge across SA as it drifts into the Tasman by Wednesday. A trough of low pressure will briefly enter the far northeast of SA with another trough slowing moving across the south and west on Thursday. A south to southwesterly flow will establish across the coasts on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Long Beach Temperature Statistics View More

December Temperature

Cape Jaffa (32km)

  • Lowest 11 December, 2025

    8.4 °C

  • Average December

    16.3 °C

  • Highest 12 December, 2025

    33.7 °C

Climate (2020–Present)

Cape Jaffa (32km)

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  • Average Low 2020–2025

    10.5 °C

  • Average 2020–2025

    14.4 °C

  • Average High 2020–2025

    19.2 °C
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