Porter Bay Weather Forecast

    • 9
    • 18

    Cloudy

    • 8
    • 19

    Cloudy

    • 8
    • 20

    Shower or two

    • 12
    • 25

    Showers. Storm clearing

    • 12
    • 21

    Shower or two. Becoming windy

    • 10
    • 18

    Shower or two

    • 9
    • 18

    Cloudy

Today 22 Oct Port Lincoln

Cloudy. Slight chance of a shower in the late morning and afternoon. Winds southwesterly 25 to 35 km/h becoming light in the evening.

Spencer Gulf Coastal Waters

Wind
Southwesterly 20 to 25 knots, reaching up to 30 knots south of Cowell to Wallaroo in the late morning. Winds turning southerly 15 to 20 knots in the evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres later in the evening.
1st Swell
South to southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres around midday.
Weather
Partly cloudy.
Weather Situation
A low pressure system south of Kangaroo Island and an associated cold front will continue to move southeastwards over southeastern coastal waters early today, reaching the Tasman Sea later today. In the wake of this system, a high pressure system will move into the Bight on Thursday and into Bass Strait on Friday with another low pressure system moving into western coastal waters late Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Porter Bay Temperature Statistics View More

October Temperature

Port Lincoln Airport (15km)

  • Lowest 15 October, 2025

    4.8 °C

  • Average October

    15.5 °C

  • Highest 4 October, 2025

    34 °C

Climate (2020–Present)

Port Lincoln Airport (15km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.8 °C

  • Average High 2020–2025

    21.3 °C
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