Gannons Bay Weather Forecast
- 22
- 26
Shower or two
- 21
- 26
Mostly sunny
- 21
- 29
Mostly sunny
- 23
- 26
Shower or two. Becoming windy
- 19
- 22
Cloudy
- 20
- 23
Cloudy
- 20
- 24
Shower or two
Today 9 Feb Sydney
Cloudy. High chance of showers, becoming less likely in the afternoon. The chance of a thunderstorm in the morning and afternoon. Light winds becoming northerly 15 to 20 km/h in the middle of the day then becoming light in the early afternoon.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Northerly 10 to 15 knots, reaching up to 25 knots offshore early in the morning.
- Seas
- 1 to 2 metres, decreasing to 1 to 1.5 metres around midday.
- 1st Swell
- East to northeasterly around 1 metre.
- Weather
- Cloudy. 70% chance of rain. The chance of a thunderstorm in the morning and afternoon.
- Weather Situation
- A high pressure system over the Tasman Sea extends a ridge over northern part of the coast, bringing northeasterly along most of the coast. A southerly change is forecast to move along southern and central parts of the coast today and Tuesday as the trough moves into the Tasman sea and a new ridge builds over the coast.
Gannons Bay Temperature Statistics View More
February Temperature
Sydney Airport (14km)
Lowest 3 February, 2026
16.4 °CAverage February
23.2 °CHighest 5 February, 2026
37.4 °C
Climate (2021–Present)
Sydney Airport (14km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
18.7 °CAverage High 2021–2026
23.4 °C