Swan Island Weather Forecast

    • 14
    • 25

    Partly cloudy

    • 13
    • 25

    Partly cloudy

    • 15
    • 28

    Mostly sunny

    • 16
    • 27

    Partly cloudy

    • 16
    • 28

    Sunny

    • 18
    • 24

    Showers

    • 17
    • 23

    Showers easing

Today 30 Mar Hunter

Mostly clear. Winds northeast to southeasterly 15 to 20 km/h.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Easterly below 10 knots.
Seas
Below 0.5 metres.
1st Swell
Southerly 1.5 metres inshore, increasing to 2 metres offshore north of Port Stephens.
Weather
Partly cloudy.
Weather Situation
Easterly winds over coastal waters are gradually turning northeast as a high over eastern New South Wales is entering the Tasman Sea and slowly drifting eastwards. Then, winds will turn south to southeasterly on Friday and persist through the weekend as a trough moves up the coast while another high drifts across Tasmania.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

March Temperature

Williamtown RAAF Base (18km)

  • Lowest 15 March, 2026

    11.5 °C

  • Average March

    22.2 °C

  • Highest 17 March, 2026

    34.5 °C

Climate (2021–Present)

Williamtown RAAF Base (18km)

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  • Average Low 2021–2026

    13.3 °C

  • Average 2021–2026

    18.1 °C

  • Average High 2021–2026

    23.9 °C
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