Nancy Cove Weather Forecast
- 15
- 19
Showers. Very windy
- 12
- 16
Shower or two. Windy
- 11
- 17
Shower or two
- 13
- 18
Showers. Windy
- 13
- 17
Shower or two. Becoming windy
- 13
- 17
Possible shower
- 12
- 18
Partly cloudy
Today 14 Sep Lower West
Cloudy. Very high chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the south in the morning and afternoon. Damaging winds possible. Winds northwesterly 35 to 50 km/h tending westerly 35 to 55 km/h in the middle of the day then decreasing to 30 to 45 km/h in the evening. Overnight temperatures falling to around 12 with daytime temperatures reaching between 15 and 19.
Perth Local Waters
Two Rocks to Dawesville, inshore from Rottnest Island- Wind
- Northwesterly 25 to 35 knots, shifting west to southwesterly in the afternoon and easing to 25 to 30 knots in the evening.
- Seas
- 2 metres, increasing to 2.5 to 3 metres during the morning.
- 1st Swell
- Westerly 1.5 to 2 metres, increasing to 2 to 4 metres during the morning.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm during the morning and afternoon.
- Caution
- Large and powerful surf conditions from midday are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
- Weather Situation
- A strong cold front moving over the local waters on Sunday will bring strong and gusty westerly winds. A ridge then builds about the central west coast from Monday.
Nancy Cove Temperature Statistics View More
September Temperature
Rottnest Island (1km)
Lowest 8 September, 2025
8.2 °CAverage September
15.1 °CHighest 12 September, 2025
22.4 °C
Climate (2020–Present)
Rottnest Island (1km)
Average Low 2020–2025
16 °CAverage 2020–2025
18.9 °CAverage High 2020–2025
22.8 °C