Seal Island Weather Forecast

    • 6
    • 18

    Possible shower

    • 10
    • 19

    Showers

    • 11
    • 18

    Showers easing

    • 8
    • 18

    Possible shower

    • 7
    • 17

    Possible shower

    • 8
    • 17

    Partly cloudy

    • 5
    • 17

    Partly cloudy

Today 17 Aug Mount Lofty Ranges

Partly cloudy. High chance of showers in the north, medium chance elsewhere. Winds east to southeasterly 15 to 20 km/h tending east to northeasterly 15 to 25 km/h during the morning. Overnight temperatures falling to between 5 and 8 with daytime temperatures reaching between 14 and 17.

South Central Coastal Waters

Wind
Easterly 10 to 15 knots turning northeasterly 15 to 20 knots in the late morning and afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres around midday.
1st Swell
Southwesterly 2.5 metres.
Weather
Mostly sunny.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Seal Island Temperature Statistics View More

August Temperature

Encounter Bay (4km)

  • Lowest 1 August, 2026

    0.5 °C

  • Average August

    11.8 °C

  • Highest 7 August, 2026

    19.7 °C

Climate (2021–2026)

Encounter Bay (4km)

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  • Average Low 2021–2026

    10.5 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    20.7 °C
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