Grindstone Bay Weather Forecast

    • 8
    • 15

    Showers. Windy

    • 7
    • 16

    Possible shower

    • 9
    • 18

    Possible morning shower

    • 9
    • 21

    Cloud clearing

    • 11
    • 24

    Mostly sunny

    • 13
    • 24

    Shower or two

    • 11
    • 19

    Shower or two

Today 25 Dec East Coast

Partly cloudy. Medium chance of showers, most likely during this afternoon and early evening. Snow possible above 900 metres. Possible small hail in the south. Winds southwesterly 30 to 45 km/h decreasing to 25 to 35 km/h in the late evening. Daytime maximum temperatures between 12 and 17.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Southwesterly 25 to 30 knots, reaching up to 35 knots during the morning.
Seas
2 to 3 metres, increasing to 3 to 4 metres offshore.
1st Swell
Southwesterly 1.5 to 2.5 metres inshore, increasing to 3 to 5 metres offshore.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore during the morning and afternoon. Possible small hail.
Weather Situation
A high pressure system south of the Bight slowly builds a ridge over Tasmania during Thursday and Friday. The high will then move to the south of Tasmania on Saturday before entering the Tasman Sea on Sunday.
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

    14.9 °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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