Grindstone Bay Weather Forecast

    • 14
    • 22

    Shower or two

    • 15
    • 23

    Shower or two. Windy

    • 9
    • 20

    Cloudy

    • 10
    • 22

    Mostly sunny

    • 12
    • 20

    Possible shower

    • 12
    • 19

    Shower or two

    • 11
    • 18

    Shower or two

Today 9 Jan East Coast

Cloudy. High chance of showers, becoming less likely at night. The chance of a thunderstorm near the coast in the late afternoon and evening. Winds northeasterly 15 to 25 km/h turning north to northwesterly in the afternoon. Daytime maximum temperatures 21 to 26.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
East to northeasterly 10 to 15 knots turning northerly 15 to 20 knots in the late afternoon. Winds reaching up to 30 knots offshore in the evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres by early evening.
1st Swell
Southwesterly below 1 metre inshore, increasing to 1 to 2 metres offshore.
Weather
Cloudy. 70% chance of showers.
Weather Situation
A trough lingers off the northeast coast and is expected to slowly move eastwards today, as a cold front approaches the west coast before crossing the state early Saturday. Another trough crosses from the west during Saturday evening. A high pressure system will move to a position over waters south of the Bight on Sunday and will extend a ridge over Tasmania into next week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grindstone Bay Temperature Statistics View More

January Temperature

Maria Island (Point Lesueur) (25km)

  • Lowest 1 January, 2026

    10.1 °C

  • Average January

    16.7 °C

  • Highest 7 January, 2026

    23.8 °C

Climate (2021–Present)

Maria Island (Point Lesueur) (25km)

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  • Average Low 2021–2026

    10.7 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    16.8 °C
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