Sisters Bay Weather Forecast
- 7
- 10
Showers
- 5
- 10
Showers increasing
- 5
- 9
Showers
- 5
- 12
Partly cloudy
- 7
- 12
Partly cloudy
- 7
- 13
Partly cloudy
- 7
- 13
Sunny
Today 12 Jul South East
Partly cloudy. Very high chance of showers, most likely from the late morning. Snow falling above 800 metres. The chance of a thunderstorm in the far south in the morning and afternoon. Possible small hail in the far south in the afternoon and evening. Winds north to northwesterly 20 to 30 km/h tending west to northwesterly 30 to 45 km/h during the morning and early afternoon. Overnight temperatures falling to between 2 and 7 with daytime temperatures reaching between 7 and 12.
Lower East Coastal Waters
Wineglass Bay to Tasman Island- Wind
- North to northwesterly 20 to 30 knots tending west to northwesterly during the morning and early afternoon.
- Seas
- 2 to 3 metres, decreasing to 1.5 to 2 metres during the morning, then increasing to 2 to 3 metres during the afternoon.
- 1st Swell
- South to southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy. 80% chance of showers. The chance of a thunderstorm offshore in the late morning and afternoon.
Sisters Bay Temperature Statistics View More
July Temperature
Tasman Island (31km)
Lowest 4 July, 2026
3.9 °CAverage July
8.9 °CHighest 1 July, 2026
15.3 °C
Climate (2021–2026)
Tasman Island (31km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
11.5 °CAverage High 2021–2026
14.6 °C