Denial Bay Weather Forecast
- 13
- 23
Mostly sunny
- 10
- 19
Partly cloudy
- 5
- 23
Sunny
- 9
- 29
Mostly sunny
- 15
- 30
Partly cloudy
- 12
- 29
Partly cloudy
- 14
- 28
Partly cloudy
Today 20 Sep West Coast
Mostly sunny. Slight chance of a shower south of Streaky Bay, near zero chance elsewhere. Winds northerly 25 to 35 km/h shifting south to southwesterly early in the morning then decreasing to 15 to 20 km/h in the late evening. Overnight temperatures falling to between 13 and 17 with daytime temperatures reaching the low to mid 20s.
Upper West Coastal Waters
Fowlers Bay to Elliston- Wind
- Northerly 15 to 20 knots shifting west to southwesterly early in the morning then tending south to southwesterly in the evening. Winds reaching up to 25 knots south of Streaky Bay early in the morning.
- Seas
- 1 to 2 metres, decreasing below 1 metre during the morning, then increasing to 1 to 1.5 metres during the afternoon.
- 1st Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres later in the evening.
- Weather
- Becoming cloudy.
Denial Bay Temperature Statistics View More
September Temperature
Ceduna Airport (12km)
Lowest 17 September, 2026
1.8 °CAverage September
14.3 °CHighest 12 September, 2026
29.5 °C
Climate (2021–2026)
Ceduna Airport (12km)
Average Low 2021–2026
10.9 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
23.7 °C