Saint Helens Marina Weather Forecast

    • 4
    • 19

    Clear

    • 4
    • 21

    Partly cloudy

    • 12
    • 23

    Shower or two

    • 10
    • 17

    Showers

    • 5
    • 15

    Mostly sunny

    • 5
    • 16

    Mostly sunny

    • 7
    • 21

    Mostly sunny

Today 23 Sep St Helens

Clear. Winds northwesterly 15 to 20 km/h becoming light in the evening.

East of Flinders Island Coastal Waters

North Flinders Island to St Helens Point
Wind
Northerly about 10 knots.
Seas
Below 1 metre.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather
Clear.
Weather Situation
A weak ridge extends over Tasmania from a high pressure system over the central Tasman Sea. The ridge weakens further Thursday, as a trough approaches from the west in the evening. Another weak trough is forecast to move over the state from the west during Friday ahead of a cold front to cross later. A secondary high pressure system is forecast to extend a ridge over Tasmania from the southwest during Saturday, and move over on Sunday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Saint Helens Marina Temperature Statistics View More

September Temperature

St Helens Aerodrome (2km)

  • Lowest 22 September, 2026

    1.7 °C

  • Average September

    12.2 °C

  • Highest 20 September, 2026

    23.6 °C

Climate (2021–2026)

St Helens Aerodrome (2km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.4 °C
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