Nelson Bay Weather Forecast

    • 20
    • 29

    Partly cloudy

    • 19
    • 29

    Partly cloudy

    • 19
    • 25

    Shower or two

    • 17
    • 23

    Possible shower

    • 15
    • 23

    Partly cloudy

    • 15
    • 25

    Partly cloudy

    • 15
    • 26

    Partly cloudy

Today 23 Dec Hunter

Partly cloudy. The chance of fog early this morning. The chance of smoke haze late this afternoon and evening. Light winds becoming west to southwesterly 15 to 25 km/h in the morning then shifting southeasterly 20 to 30 km/h in the late morning and afternoon. Daytime maximum temperatures 30 to 37.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Northwest to northeasterly 10 to 15 knots tending south to southwesterly in the morning then turning southeasterly 15 to 20 knots in the middle of the day. Winds reaching up to 30 knots south of Port Stephens in the evening.
Seas
Around 1 metre, increasing to 1 to 2 metres during the afternoon.
1st Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Partly cloudy.
Weather Situation
Winds tending variable for a time during the morning before a southerly change arrives today. Winds will briefly turn northerly before a high pressure system builds in the Bight, directing another, stronger, southerly change over NSW coastal waters.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nelson Bay Temperature Statistics View More

December Temperature

Williamtown RAAF Base (30km)

  • Lowest 2 December, 2025

    11.3 °C

  • Average December

    23.9 °C

  • Highest 21 December, 2025

    42.6 °C

Climate (2020–Present)

Williamtown RAAF Base (30km)

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  • Average Low 2020–2025

    13.3 °C

  • Average 2020–2025

    18.1 °C

  • Average High 2020–2025

    23.8 °C
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