Grindstone Bay Weather Forecast

    • 11
    • 18

    Shower or two. Windy

    • 8
    • 17

    Windy. Cloudy

    • 9
    • 22

    Partly cloudy

    • 9
    • 27

    Mostly sunny

    • 12
    • 26

    Shower or two

    • 10
    • 18

    Shower or two

    • 10
    • 19

    Shower or two

Today 14 Dec East Coast

Partly cloudy. Medium chance of showers, most likely in the morning and afternoon. Damaging winds possible. Winds northwesterly 20 to 30 km/h increasing to 25 to 40 km/h before dawn then turning westerly 35 to 55 km/h in the morning. Overnight temperatures falling to between 8 and 13 with daytime temperatures reaching between 14 and 20.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northwesterly 15 to 25 knots turning westerly 20 to 30 knots during the morning. Winds reaching up to 35 knots offshore in the evening.
Seas
1 to 2 metres, increasing to 2 to 3 metres during the morning.
1st Swell
Southwesterly 1 to 2 metres, increasing to 2 to 4 metres around midday.
Weather
Partly cloudy. 60% chance of showers, with possible small hail in the late afternoon and evening. The chance of a thunderstorm offshore in the afternoon.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grindstone Bay Temperature Statistics View More

December Temperature

Maria Island (Point Lesueur) (25km)

  • Lowest 1 December, 2025

    7.9 °C

  • Average December

    14.8 °C

  • Highest 4 December, 2025

    29 °C

Climate (2020–Present)

Maria Island (Point Lesueur) (25km)

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  • Average Low 2020–2025

    10.7 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    16.8 °C
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