Gannons Bay Weather Forecast

    • 21
    • 28

    Clear

    • 22
    • 29

    Sunny

    • 23
    • 26

    Shower or two. Becoming windy

    • 18
    • 21

    Windy. Cloudy

    • 19
    • 23

    Cloudy

    • 20
    • 25

    Partly cloudy

    • 21
    • 27

    Partly cloudy

Today 30 Jan Sydney

Clear. Winds northeasterly 20 to 30 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Northeasterly 15 to 20 knots, reaching up to 25 knots inshore.
Seas
Below 1 metre, increasing to 1.5 metres by early evening.
1st Swell
Southerly below 1 metre.
Weather
Clear.
Weather Situation
A ridge extends from a high situated in the Tasman Sea. The ridge is expected to be the dominant feature through the rest of the week. A southerly change looks set to cross the coastal waters Sunday through early next week.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gannons Bay Temperature Statistics View More

January Temperature

Sydney Airport (14km)

  • Lowest 2 January, 2026

    17.2 °C

  • Average January

    23 °C

  • Highest 10 January, 2026

    42.7 °C

Climate (2021–Present)

Sydney Airport (14km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.6 °C

  • Average High 2021–2026

    23.4 °C
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