Garden Island Weather Forecast

    • 11
    • 24

    Sunny

    • 11
    • 26

    Sunny

    • 12
    • 26

    Sunny day. Late shower or two

    • 12
    • 16

    Showers. Windy

    • 11
    • 18

    Showers. Windy

    • 9
    • 21

    Cloud clearing

    • 8
    • 25

    Sunny

Today 13 Sep Hunter

Patchy fog early this morning. Mostly sunny afternoon. Light winds. Daytime maximum temperatures 22 to 27.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
North to northeasterly 15 to 20 knots, reaching up to 25 knots offshore south of Port Stephens in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
Southerly 1.5 to 2 metres.
Weather
Sunny.
Weather Situation
A high pressure system will drift across the Tasman Sea this weekend, causing winds to turn northeasterly. Northerly winds are expected to increase on Monday before turning southerly in the far south. This southerly change will continue to move north along the coast on Tuesday and strengthen.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Garden Island Temperature Statistics View More

September Temperature

Williamtown RAAF Base (21km)

  • Lowest 9 September, 2026

    4.4 °C

  • Average September

    16.5 °C

  • Highest 5 September, 2026

    32.8 °C

Climate (2021–2026)

Williamtown RAAF Base (21km)

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  • Average Low 2021–2026

    13.5 °C

  • Average 2021–2026

    18.2 °C

  • Average High 2021–2026

    24 °C
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