Gannons Bay Weather Forecast

    • 23
    • 25

    Shower or two. Becoming windy

    • 19
    • 23

    Cloudy

    • 21
    • 23

    Cloudy

    • 20
    • 23

    Shower or two

    • 19
    • 24

    Shower or two

    • 19
    • 25

    Partly cloudy

    • 20
    • 30

    Partly cloudy

Today 12 Feb Sydney

Partly cloudy. Medium chance of showers. The chance of a thunderstorm during the morning and afternoon, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the outer west. Winds south to southeasterly 30 to 45 km/h.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
North to northwesterly 15 to 20 knots shifting southerly 15 to 25 knots in the morning. Winds reaching up to 30 knots during the day.
Seas
1 to 1.5 metres, increasing to 2 to 3 metres around midday.
1st Swell
Southerly below 1 metre, increasing to 1.5 to 2.5 metres during the afternoon.
Weather
Partly cloudy. 50% chance of showers.
Weather Situation
A cold front located along the Illawarra Coast is moving north along the coast today. It is bringing a fresh to strong southerly change to NSW waters, reaching the northern coast later today. Winds will turn southeasterly Friday then easterly Saturday and Sunday as a new ridge forms along the coast in the wake of the cold front.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Gannons Bay Temperature Statistics View More

February Temperature

Sydney Airport (14km)

  • Lowest 3 February, 2026

    16.4 °C

  • Average February

    23.5 °C

  • Highest 5 February, 2026

    37.4 °C

Climate (2021–Present)

Sydney Airport (14km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.7 °C

  • Average High 2021–2026

    23.4 °C
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