Gannons Bay Weather Forecast
- 18
- 29
Partly cloudy
- 20
- 34
Becoming windy. Sunny
- 21
- 30
Sunny
- 19
- 26
Partly cloudy
- 19
- 31
Partly cloudy
- 18
- 26
Mostly sunny
- 17
- 27
Mostly sunny
Today 25 Nov Sydney
Partly cloudy. Slight chance of a shower. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding. Winds westerly 20 to 30 km/h becoming light in the evening.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the late afternoon. Winds tending north to northwesterly in the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore.
- 1st Swell
- Southeasterly 1.5 metres.
- Weather
- Partly cloudy. The chance of a thunderstorm.
- Weather Situation
- North to northwesterly winds are forecast to prevail over the coming days due to a weak high pressure ridge while a series of troughs and fronts brushing the southern and central parts of the coast will bring brief southerly wind changes in their wake.
Gannons Bay Temperature Statistics View More
November Temperature
Sydney Airport (14km)
Lowest 12 November, 2025
11 °CAverage November
20.6 °CHighest 16 November, 2025
32.6 °C
Climate (2020–Present)
Sydney Airport (14km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23.3 °C