Great Oyster Bay Weather Forecast

    • 6
    • 15

    Becoming windy. Partly cloudy

    • 4
    • 17

    Partly cloudy

    • 6
    • 18

    Showers increasing

    • 5
    • 14

    Shower or two

    • 5
    • 16

    Shower or two

    • 5
    • 16

    Shower or two

    • 5
    • 18

    Partly cloudy

Today 17 Sep Swansea

Partly cloudy. Slight chance of a shower, most likely this morning. Winds northwesterly 30 to 35 km/h tending westerly 30 to 45 km/h in the morning then becoming light in the late evening.

Lower East Coastal Waters

Wineglass Bay to Tasman Island
Wind
Northwesterly 20 to 30 knots turning westerly in the morning. Winds reaching up to 35 knots offshore in the late afternoon.
Seas
2 to 3 metres.
1st Swell
Southwesterly 2 to 3 metres.
Weather
Partly cloudy. 60% chance of showers, with possible small hail.
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Great Oyster Bay Temperature Statistics View More

September Temperature

Friendly Beaches (26km)

  • Lowest 6 September, 2025

    3.3 °C

  • Average September

    11.9 °C

  • Highest 15 September, 2025

    23.6 °C

Climate (2020–Present)

Friendly Beaches (26km)

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  • Average Low 2020–2025

    9.5 °C

  • Average 2020–2025

    13.5 °C

  • Average High 2020–2025

    18.7 °C
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