Grindstone Bay Weather Forecast

    • 15
    • 20

    Partly cloudy

    • 11
    • 19

    Sunny

    • 12
    • 27

    Sunny

    • 16
    • 23

    Partly cloudy

    • 13
    • 20

    Partly cloudy

    • 13
    • 22

    Sunny

    • 15
    • 22

    Shower or two

Today 25 Jan East Coast

Partly cloudy. Winds west to northwesterly 15 to 20 km/h becoming light before dawn then becoming south to southeasterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 10 and 14 with daytime temperatures reaching between 19 and 22.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northerly 15 to 25 knots, reaching up to 30 knots offshore early in the morning. Winds shifting southerly 15 to 20 knots before dawn.
Seas
1.5 to 2.5 metres.
1st Swell
Southeasterly 1.5 to 2.5 metres.
Weather
Partly cloudy.
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 11 January, 2026

    9.5 °C

  • Average January

    16 °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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