Gymea Bay Weather Forecast
- 17
- 24
Partly cloudy
- 14
- 20
Becoming windy. Mostly sunny
- 15
- 24
Sunny
- 17
- 29
Sunny
- 21
- 33
Sunny
- 20
- 35
Partly cloudy
- 20
- 25
Shower or two
Today 1 Dec Sydney
Mostly sunny morning. Slight chance of a shower in the late afternoon and evening. Winds west to southwesterly 15 to 20 km/h tending north to northwesterly before dawn then tending westerly 20 to 30 km/h in the morning.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Westerly 15 to 20 knots, reaching up to 30 knots offshore in the late evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre around midday.
- 1st Swell
- Southerly around 1 metre, increasing to 1 to 1.5 metres during the morning.
- Weather
- Partly cloudy. 60% chance of showers late this afternoon and evening. The chance of a thunderstorm during this afternoon and evening.
- Weather Situation
- Southerly winds are forecast to turn northerly through today, ahead of a series of fronts and troughs expected to bring southerly surges to the coastal waters until Tuesday. Following this, winds should ease and turn northerly as a high pressure system enters the coastal waters mid-week.
Gymea Bay Temperature Statistics View More
December Temperature
Sydney Airport (13km)
Lowest
–Average December
–Highest
–
Climate (2020–Present)
Sydney Airport (13km)
Average Low 2020–2025
14.8 °CAverage 2020–2025
18.6 °CAverage High 2020–2025
23.3 °C