Tunnel Bay Weather Forecast

    • 8
    • 16

    Shower or two. Windy

    • 6
    • 12

    Showers easing. Windy

    • 8
    • 15

    Shower or two

    • 6
    • 11

    Showers

    • 6
    • 14

    Cloudy

    • 10
    • 14

    Shower or two

    • 7
    • 13

    Shower or two

Today 19 Sep South East

Partly cloudy. High chance of showers. Snow falling above 1000 metres. The chance of a thunderstorm in the afternoon and evening. Damaging winds possible from the early evening. Winds north to northwesterly 30 to 45 km/h. Overnight temperatures falling to between 3 and 8 with daytime temperatures reaching between 12 and 17.

South East Coastal Waters

Tasman Island to South East Cape
Wind
West to northwesterly 15 to 25 knots turning northerly during the morning then tending northwesterly 20 to 25 knots in the late evening. Winds reaching up to 30 knots offshore early in the morning and again in the late evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2.5 metres later in the evening.
1st Swell
Westerly 2 to 3 metres, tending southwesterly 2.5 to 4 metres by early evening, then tending west to southwesterly 3 to 4 metres later in the evening.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm in the afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Tunnel Bay Temperature Statistics View More

September Temperature

Tasman Island (21km)

  • Lowest 5 September, 2025

    1.9 °C

  • Average September

    9.5 °C

  • Highest 15 September, 2025

    17.8 °C

Climate (2020–Present)

Tasman Island (21km)

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  • Average Low 2020–2025

    9.4 °C

  • Average 2020–2025

    11.5 °C

  • Average High 2020–2025

    14.6 °C
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