Guichen Bay Weather Forecast
- 6
- 17
Sunny
- 9
- 19
Sunny
- 13
- 18
Showers
- 12
- 17
Shower or two
- 11
- 14
Cloudy
- 8
- 14
Cloudy
- 7
- 15
Cloud clearing
Today 11 Sep Lower South East
Sunny. Light winds. Daytime maximum temperatures around 19.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Easterly 10 to 15 knots.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 4 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A high pressure system centred south of the Bight extends a ridge across the south of SA. The main high centre will gradually move eastwards to be centred to the east of SA later on Friday. A trough over the interior of WA will remain stationary but will weaken later Friday. Another low pressure trough will approach from the west on Saturday and move across SA on Sunday then a cold front will move across southern coasts later Monday. An upper disturbance will move over the far west on Monday.
Guichen Bay Temperature Statistics View More
September Temperature
Robe (5km)
Lowest 10 September, 2026
5.6 °CAverage September
13.8 °CHighest 1 September, 2026
16.6 °C
Climate (2021–2026)
Robe (5km)
Average Low 2021–2026
11.3 °CAverage 2021–2026
16 °CAverage High 2021–2026
18.5 °C