Dianas Basin Weather Forecast

    • 9
    • 19

    Shower or two

    • 9
    • 17

    Possible shower

    • 9
    • 20

    Partly cloudy

    • 9
    • 18

    Partly cloudy

    • 7
    • 18

    Partly cloudy

    • 6
    • 16

    Partly cloudy

    • 8
    • 18

    Partly cloudy

Today 16 Nov St Helens

Partly cloudy. Medium chance of showers, most likely in the evening. Light winds becoming northerly 15 to 20 km/h in the morning then tending northwesterly 20 to 30 km/h in the middle of the day.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
South to southwesterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming northwesterly 15 to 20 knots in the middle of the day. Winds reaching up to 30 knots offshore during the afternoon and evening.
Seas
Below 1 metre, increasing to 1 to 1.5 metres around midday, then increasing to 1.5 to 2.5 metres during the afternoon.
1st Swell
Northeasterly 1 to 1.5 metres, decreasing below 1 metre by early evening.
Weather
Cloudy. 50% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Dianas Basin Temperature Statistics View More

November Temperature

St Helens Aerodrome (5km)

  • Lowest 12 November, 2025

    5.4 °C

  • Average November

    13 °C

  • Highest 10 November, 2025

    21.3 °C

Climate (2020–Present)

St Helens Aerodrome (5km)

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  • Average Low 2020–2025

    9.3 °C

  • Average 2020–2025

    13.3 °C

  • Average High 2020–2025

    18.2 °C
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