Diamond Island Weather Forecast

    • 10
    • 21

    Clear

    • 10
    • 21

    Sunny

    • 12
    • 20

    Partly cloudy

    • 15
    • 20

    Shower or two

    • 13
    • 22

    Shower or two

    • 13
    • 23

    Partly cloudy

    • 13
    • 20

    Possible shower

Today 13 Mar East Coast

Clear. Winds west to southwesterly 15 to 25 km/h becoming light in the late evening.

Upper East Coastal Waters

St Helens Point to Wineglass Bay
Wind
Variable about 10 knots, reaching up to 20 knots offshore in the late afternoon.
Seas
1 to 1.5 metres, decreasing below 1 metre by early evening.
1st Swell
Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Clear.
Weather Situation
A high centred well to the west of Tasmania extends ridge of high pressure over the state this evening. The ridge is forecast to persist throughout the weekend and early next week, with a weak trough also expected to develop offshore the east coast on Sunday, lingering into Monday. A weak cold front is then forecast to cross the state on Tuesday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Diamond Island Temperature Statistics View More

March Temperature

Bicheno (Council Depot) (2km)

  • Lowest 12 March, 2026

    10.5 °C
  • Average March

    16.8 °C
  • Highest 5 March, 2026

    28 °C

Climate (2021–Present)

Bicheno (Council Depot) (2km)

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  • Average Low 2021–2026

    10.4 °C
  • Average 2021–2026

    14.2 °C
  • Average High 2021–2026

    18.1 °C
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