Port Arthur Entrance Weather Forecast

    • 12
    • 17

    Shower or two

    • 12
    • 17

    Partly cloudy

    • 8
    • 15

    Shower or two

    • 8
    • 13

    Showers easing

    • 9
    • 15

    Partly cloudy

    • 10
    • 16

    Shower or two

    • 8
    • 12

    Showers

Today 19 Aug South East

Cloudy. Medium chance of showers. Winds northerly 15 to 25 km/h.

South East Coastal Waters

Tasman Island to South East Cape
Wind
Northerly 15 to 20 knots, reaching up to 25 knots offshore.
Seas
1 to 1.5 metres, increasing to 2 to 2.5 metres offshore.
1st Swell
Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A trough is crossing Tasmania, directing a northwesterly flow over the state. The trough will move to the east of the state early Thursday. A series of troughs and fronts embedded in a westerly flow are then expected to cross Tasmania over the coming days. A high pressure system to the north of Tasmania brings a northwesterly flow and more stable conditions on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Port Arthur Entrance Temperature Statistics View More

August Temperature

Tasman Island (10km)

  • Lowest 15 August, 2026

    6.1 °C

  • Average August

    9.7 °C

  • Highest 1 August, 2026

    13.7 °C

Climate (2021–2026)

Tasman Island (10km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    11.6 °C

  • Average High 2021–2026

    14.6 °C
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