Rocky Plains Bay Weather Forecast
- 8
- 18
Partly cloudy
- 8
- 24
Partly cloudy
- 11
- 18
Shower
- 8
- 13
Windy
- 6
- 11
Windy
- 7
- 16
Shower
- 8
- 21
Partly cloudy
Today 11 Dec Western
The chance of fog early this morning. Mostly sunny afternoon. Winds northwest to southwesterly 15 to 20 km/h tending south to southwesterly in the early afternoon then tending northeast to southeasterly in the late evening. Daytime maximum temperatures between 17 and 22.
South West Coastal Waters
South East Cape to Low Rocky Point- Wind
- Westerly 10 to 15 knots, reaching up to 20 knots inshore during the morning. Winds becoming variable about 10 knots in the evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre around midday.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Partly cloudy.
- Weather Situation
- A high pressure system is expected to move over the state today and continue moving eastwards over the Tasman Sea during Friday. A cold front is then forecast to cross the state during Saturday
Rocky Plains Bay Temperature Statistics View More
December Temperature
Maatsuyker Island (30km)
Lowest 7 December, 2025
6 °CAverage December
11 °CHighest 4 December, 2025
14.4 °C
Climate (2020–Present)
Maatsuyker Island (30km)
Average Low 2020–2025
9.4 °CAverage 2020–2025
11.6 °CAverage High 2020–2025
14.3 °C