Swansea Offshore Weather Forecast

    • 18
    • 20

    Possible late shower

    • 14
    • 16

    Partly cloudy

    • 13
    • 16

    Partly cloudy

    • 13
    • 18

    Sunny

    • 14
    • 20

    Sunny

    • 15
    • 22

    Sunny

    • 17
    • 20

    Becoming cloudy

Today 15 Sep Newcastle

Sunny morning. Medium chance of showers in the evening. The chance of a thunderstorm in the afternoon and evening. Light winds becoming west to northwesterly 20 to 30 km/h in the morning then shifting south to southeasterly 25 to 35 km/h in the middle of the day.

Hunter Coastal Waters

Seal Rocks to Broken Bay
Wind
North to northwesterly 15 to 25 knots shifting south to southeasterly in the late morning. Winds reaching up to 30 knots early in the morning and again in the late evening.
Seas
1.5 to 2.5 metres, decreasing below 1 metre around midday, then increasing to 1 to 1.5 metres later in the evening.
1st Swell
Southerly around 1 metre inshore, increasing to 1 to 1.5 metres offshore south of Port Stephens later in the evening.
Weather
Sunny day. 70% chance of showers in the evening. The chance of a thunderstorm in the late afternoon and evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Swansea Offshore Temperature Statistics View More

September Temperature

Newcastle (Nobbys) (20km)

  • Lowest 9 September, 2026

    8.7 °C

  • Average September

    17.2 °C

  • Highest 5 September, 2026

    30.2 °C

Climate (2021–2026)

Newcastle (Nobbys) (20km)

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  • Average Low 2021–2026

    15.5 °C

  • Average 2021–2026

    18.6 °C

  • Average High 2021–2026

    22.4 °C
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