Gymea Bay Weather Forecast
- 11
- 20
Mostly clear
- 13
- 20
Mostly sunny
- 13
- 21
Partly cloudy
- 16
- 21
Showers
- 17
- 21
Showers
- 17
- 21
Showers
- 16
- 21
Showers
Today 8 May Sydney
Clear. Winds southwesterly 15 to 20 km/h.
Sydney Coastal Waters
Broken Bay to Port Hacking- Wind
- Southwesterly 15 to 20 knots, reaching up to 30 knots offshore.
- Seas
- 1.5 metres, increasing to 1.5 to 2 metres offshore.
- 1st Swell
- Southerly 2.5 to 3 metres inshore, increasing to 3 to 4 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A strong high pressure system over the Great Australian Bight extends a ridge over NSW, while a trough lies over southern coastal waters, maintaining a fresh to strong southwesterly flow over coastal waters today. Winds will gradually ease and turn southerly through the weekend as the trough moves further offshore, while the high moves eastwards. Winds will turn southeasterly by Monday as the high enters the Tasman Sea.
Gymea Bay Temperature Statistics View More
May Temperature
Sydney Airport (13km)
Lowest 7 May, 2026
12 °CAverage May
18.9 °CHighest 3 May, 2026
25.6 °C
Climate (2021–Present)
Sydney Airport (13km)
Average Low 2021–2026
14.8 °CAverage 2021–2026
18.7 °CAverage High 2021–2026
23.4 °C