Swan Island Weather Forecast

    • 19
    • 23

    Shower or two. Becoming windy

    • 17
    • 25

    Cloudy

    • 15
    • 28

    Partly cloudy

    • 16
    • 30

    Mostly sunny

    • 18
    • 31

    Partly cloudy

    • 20
    • 27

    Shower or two

    • 18
    • 27

    Shower or two

Today 13 Mar Hunter

Cloudy. Medium chance of showers, most likely in the morning and early afternoon. Winds south to southeasterly 25 to 35 km/h. Overnight temperatures falling to between 15 and 19 with daytime temperatures reaching 20 to 26.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Southerly 15 to 25 knots, reaching up to 30 knots in the afternoon.
Seas
1 to 1.5 metres, increasing to 1.5 to 2.5 metres around midday.
1st Swell
Southerly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Cloudy. 60% chance of showers.
Weather Situation
A trough continues to move through northern waters today bringing fresh to strong and gusty southerly winds in its wake. Winds will ease and tend southeast to northeasterly during the weekend as a high pressure system moves into the Tasman Sea.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

March Temperature

Williamtown RAAF Base (18km)

  • Lowest 11 March, 2026

    18.5 °C

  • Average March

    24 °C

  • Highest 6 March, 2026

    32.3 °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

    23.8 °C
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