Seal Island Weather Forecast

    • 8
    • 16

    Partly cloudy

    • 4
    • 17

    Becoming cloudy

    • 9
    • 15

    Cloudy

    • 7
    • 16

    Mostly sunny

    • 6
    • 19

    Sunny

    • 9
    • 23

    Mostly sunny

    • 13
    • 21

    Possible shower

Today 7 Sep Mount Lofty Ranges

Partly cloudy. Winds southerly 15 to 20 km/h increasing to 25 km/h before turning east to southeasterly 15 to 20 km/h in the afternoon. Daytime maximum temperatures between 14 and 17.

South Central Coastal Waters

Wind
Southerly 10 to 15 knots turning easterly in the late afternoon.
Seas
Around 1 metre.
1st Swell
Southwesterly 2.5 metres.
Weather
Partly cloudy.
Weather Situation
The tail end of a cold front will move across southern coasts early Monday then a high pressure system centred southwest of WA will extend a ridge across the south of SA. The main high centre will move to the east of SA late Thursday and Friday. A trough over the interior of WA will remain stationary for most of the week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Seal Island Temperature Statistics View More

September Temperature

Encounter Bay (4km)

  • Lowest 2 September, 2026

    7.1 °C

  • Average September

    14.1 °C

  • Highest 1 September, 2026

    22.4 °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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