Shelf Edge Mooring Weather Forecast

    • 15
    • 16

    Shower

    • 15
    • 15

    Shower

    • 15
    • 15

    Shower

    • 15
    • 15

    Shower

    • 15
    • 15

    Partly cloudy

    • 14
    • 15

    Partly cloudy

    • 14
    • 15

    Shower

Today 18 Aug Kangaroo Island

Partly cloudy. Very high chance of showers, most likely this evening. The chance of a thunderstorm in the west this evening. Winds northeasterly 15 to 25 km/h turning northerly 25 to 35 km/h during the morning. Daytime maximum temperatures around 17.

South Central Coastal Waters

Wind
North to northeasterly 15 to 25 knots, reaching up to 30 knots west of Kangaroo Island in the late evening. Winds tending north to northwesterly 20 to 25 knots in the late evening.
Seas
1 to 2 metres.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm this evening.
Weather Situation
A large blocking high pressure system persists over the Tasman Sea. An upper level disturbance responsible for precipitation over central and eastern parts will weaken today as a weakening cold front moves across western parts today and across the southeast on Wednesday. A high pressure ridge is expected to develop over South Australia from Wednesday afternoon with weak troughs clipping the southeast in a broad westerly flow on Thursday and Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shelf Edge Mooring Temperature Statistics View More

August Temperature

Neptune Island (58km)

  • Lowest 4 August, 2026

    10.4 °C

  • Average August

    13.7 °C

  • Highest 7 August, 2026

    17.4 °C

Climate (2021–2026)

Neptune Island (58km)

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  • Average Low 2021–2026

    14.3 °C

  • Average 2021–2026

    16.2 °C

  • Average High 2021–2026

    18.8 °C
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