Shelf Edge Mooring Weather Forecast

    • 20
    • 21

    Shower

    • 17
    • 17

    Shower

    • 17
    • 18

    Cloudy

    • 17
    • 18

    Partly cloudy

    • 18
    • 20

    Partly cloudy

    • 20
    • 21

    Sunny

    • 20
    • 20

    Partly cloudy

Today 25 Apr Kangaroo Island

Becoming cloudy. Very high chance of showers, most likely late this afternoon and evening. The chance of a thunderstorm this evening. Winds northerly 20 to 30 km/h tending northwesterly 15 to 25 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures in the low to mid 20s.

South Central Coastal Waters

Wind
Northerly 15 to 20 knots shifting west to southwesterly 10 to 15 knots during the afternoon and evening.
Seas
Around 1 metre.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm this evening.
Weather Situation
A strong high pressure system over the Tasman Sea will maintain a ridge over SA. A cold front will pass over the south on Saturday, weakening and clearing in the east early Sunday. A new high pressure system will develop in the Bight on Sunday, drifting east early next week to merge with the strong high in the Tasman Sea.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Shelf Edge Mooring Temperature Statistics View More

April Temperature

Neptune Island (58km)

  • Lowest 11 April, 2026

    12.4 °C

  • Average April

    17.5 °C

  • Highest 21 April, 2026

    24.9 °C

Climate (2021–Present)

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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