Herald Bay Weather Forecast
- 21
- 25
Windy
- 21
- 23
Windy
- 21
- 24
Windy
- 21
- 24
Windy
- 21
- 26
Windy
- 22
- 28
Windy
- 22
- 30
Sunny
Today 17 Dec Gascoyne
Mostly sunny. Slight chance of a shower in the southeast, near zero chance elsewhere. The chance of a thunderstorm inland during this afternoon and evening. Winds southeast to southwesterly 25 to 35 km/h. Daytime maximum temperatures around 40.
Gascoyne Coastal Waters
Cape Cuvier to Kalbarri- Wind
- Southerly 20 to 25 knots, reaching up to 30 knots during the afternoon and evening.
- Seas
- 1.5 to 2 metres, increasing to 2 to 3 metres around midday.
- 1st Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore during the afternoon.
- Weather
- Partly cloudy.
- Weather Situation
- A deep trough lies inland of the west coast and will move east across the South West Land Division ahead of a weak cold front brushing the south coast. A ridge extends across the southwest coast will extend along southern WA on Thursday. A new west coast trough will form on Friday.
Herald Bay Temperature Statistics View More
December Temperature
Shark Bay Airport (46km)
Lowest 6 December, 2025
18.1 °CAverage December
24.9 °CHighest 1 December, 2025
38.9 °C
Climate (2020–Present)
Shark Bay Airport (46km)
Average Low 2020–2025
16.8 °CAverage 2020–2025
22.3 °CAverage High 2020–2025
29.6 °C