Swan Island Weather Forecast

    • 10
    • 24

    Partly cloudy

    • 11
    • 24

    Shower or two

    • 13
    • 25

    Shower or two

    • 13
    • 24

    Shower or two

    • 14
    • 24

    Shower or two

    • 16
    • 25

    Possible shower

    • 16
    • 27

    Shower or two

Today 28 Apr Hunter

Patchy fog in the early morning. Mostly sunny day. Light winds becoming easterly 15 to 20 km/h in the early afternoon then becoming light in the evening. Overnight temperatures falling to between 6 and 10 with daytime temperatures reaching the low to mid 20s.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
Easterly about 10 knots.
Seas
Below 1 metre.
1st Swell
Easterly below 1 metre.
Weather
Partly cloudy.
Weather Situation
A strong high-pressure system over the Tasman Sea is slowly drifting towards New Zealand while extending a ridge over New South Wales coastal waters, maintaining northeast to southeasterly winds. Very little change is expected through the weekdays, then winds will become north to northeasterly during the weekend as a cold front and its associated trough approach the state.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swan Island Temperature Statistics View More

April Temperature

Williamtown RAAF Base (18km)

  • Lowest 15 April, 2026

    8.4 °C

  • Average April

    18.4 °C

  • Highest 7 April, 2026

    31.9 °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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