Mersey Bluff Lighthouse Weather Forecast

    • 8
    • 23

    Cloud clearing

    • 9
    • 20

    Partly cloudy

    • 9
    • 24

    Partly cloudy

    • 12
    • 21

    Shower or two

    • 11
    • 20

    Showers

    • 10
    • 19

    Shower or two

    • 11
    • 20

    Shower or two

Today 16 Dec Devonport

Cloud clearing. Winds west to northwesterly 20 to 30 km/h tending west to southwesterly 15 to 20 km/h in the late evening.

Central North Coastal Waters

Stanley to Flinders Island
Wind
West to southwesterly 15 to 20 knots tending west to northwesterly 10 to 15 knots during the day.
Seas
1 to 1.5 metres, increasing to 1 to 2 metres offshore.
1st Swell
Westerly below 1 metre inshore, increasing to around 1 metre offshore.
Weather
Partly cloudy.
Weather Situation
A high pressure system to the northwest will cross through Bass Strait on Tuesday and will continue to extend a ridge over the state as the high settles in the Tasman Sea on Wednesday. A trough will cross over the state on Thursday with broad area of low pressure developing off the west coast on Friday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mersey Bluff Lighthouse Temperature Statistics View More

December Temperature

Devonport Airport (6km)

  • Lowest 10 December, 2025

    4.6 °C

  • Average December

    13.5 °C

  • Highest 10 December, 2025

    22.2 °C

Climate (2020–Present)

Devonport Airport (6km)

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  • Average Low 2020–2025

    8.7 °C

  • Average 2020–2025

    13 °C

  • Average High 2020–2025

    17.7 °C
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