Saint Helens Marina Weather Forecast

    • 9
    • 17

    Showers increasing

    • 6
    • 15

    Possible shower

    • 8
    • 17

    Possible shower

    • 6
    • 14

    Shower or two

    • 2
    • 17

    Partly cloudy

    • 7
    • 19

    Partly cloudy

    • 7
    • 17

    Shower or two

Today 19 Sep St Helens

Partly cloudy. Very high chance of showers, most likely in the evening. Winds northwesterly 15 to 25 km/h becoming light in the early morning then becoming northwesterly 25 to 35 km/h in the morning.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northerly 20 to 25 knots turning northwesterly 15 to 25 knots during the day. Winds reaching up to 30 knots early in the morning and again in the late evening.
Seas
1.5 to 2.5 metres.
1st Swell
Northeast to southeasterly around 1 metre offshore.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore in the afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Saint Helens Marina Temperature Statistics View More

September Temperature

St Helens Aerodrome (2km)

  • Lowest 5 September, 2025

    1 °C

  • Average September

    11.1 °C

  • Highest 15 September, 2025

    20.8 °C

Climate (2020–Present)

St Helens Aerodrome (2km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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