Big Rocky Island Weather Forecast

    • 12
    • 19

    Rain easing. Windy

    • 14
    • 20

    Shower or two

    • 10
    • 21

    Sunny

    • 10
    • 19

    Sunny

    • 8
    • 17

    Showers

    • 11
    • 17

    Shower or two

    • 10
    • 17

    Showers

Today 3 Aug Hunter

Cloudy. Very high chance of rain, most likely in the morning and afternoon. The chance of a thunderstorm near the coast in the morning and afternoon, possibly severe with damaging winds. Damaging winds possible about the Upper Hunter. Winds southeasterly 20 to 35 km/h turning southerly 20 to 30 km/h during the morning and early afternoon. Overnight temperatures falling to between 7 and 11 with daytime temperatures reaching between 13 and 18.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Southeasterly 20 to 30 knots, reaching up to 35 knots during the morning.
Seas
2 to 3 metres.
1st Swell
Easterly 3 to 4 metres, tending southeasterly 3 to 4 metres during the morning, then tending easterly 4 to 5 metres during the afternoon.
Weather
Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the morning and afternoon.
Caution
Large and powerful surf conditions are expected to be hazardous for coastal activities such as crossing bars by boat and rock fishing.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Big Rocky Island Temperature Statistics View More

August Temperature

Williamtown RAAF Base (28km)

  • Lowest 1 August, 2025

    8.8 °C

  • Average August

    11.5 °C

  • Highest 1 August, 2025

    15 °C

Climate (2020–Present)

Williamtown RAAF Base (28km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    18 °C

  • Average High 2020–2025

    23.6 °C
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