Slope Island Weather Forecast
- 21
- 35
Mostly sunny
- 24
- 30
Mostly sunny
- 22
- 29
Mostly sunny
- 21
- 26
Sunny
- 20
- 25
Sunny
- 20
- 24
Becoming windy. Mostly sunny
- 20
- 24
Sunny
Today 30 Nov Gascoyne
Mostly clear. Slight chance of a shower in the far northeast, near zero chance elsewhere. The chance of a thunderstorm, possibly severe with damaging winds in the far northeast. Winds easterly 25 to 35 km/h.
Gascoyne Coastal Waters
Cape Cuvier to Kalbarri- Wind
- Southerly 15 to 25 knots, reaching up to 30 knots offshore south of Denham in the evening.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2.5 metres south of Denham during the afternoon.
- 1st Swell
- Southerly 1.5 to 2.5 metres.
- Weather
- Clear.
- Weather Situation
- A high pressure system south of the state will gradually move east towards the Bight with a trough deepening down the west coast. The trough will move inland later Monday, continuing to move east and reaching the South Australian border during Wednesday. A ridge will extend east along the south coast in the wake of the trough with a weak cold front brushing the western south coast late Wednesday.
Slope Island Temperature Statistics View More
November Temperature
Shark Bay Airport (27km)
Lowest 2 November, 2025
14.2 °CAverage November
23.3 °CHighest 16 November, 2025
41.7 °C
Climate (2020–Present)
Shark Bay Airport (27km)
Average Low 2020–2025
16.8 °CAverage 2020–2025
22.3 °CAverage High 2020–2025
29.6 °C