Marble Bay Weather Forecast
- 14
- 14
Cloudy
- 14
- 15
Partly cloudy
- 14
- 15
Cloudy
- 13
- 15
Windy
- 13
- 15
Partly cloudy
- 14
- 15
Sunny
- 15
- 18
Partly cloudy
Today 6 Sep Lower Eyre Peninsula
Partly cloudy. Light winds.
Central Coastal Waters
- Wind
- West to southwesterly about 10 knots tending south to southwesterly 10 to 15 knots in the evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 3 to 4 metres, decreasing to 3 metres by early evening.
- Weather
- Cloudy.
- Weather Situation
- A high pressure system centred over SA will weaken during Sunday. The tail end of a cold front will move across southern coasts early Monday then a high pressure system centred southwest of WA will extend a ridge across the south of SA. The main high centre will move to the east of SA late Thursday and Friday. A trough over the interior of WA will remain stationary for most of the week.
Marble Bay Temperature Statistics View More
September Temperature
Neptune Island (36km)
Lowest 5 September, 2026
11.8 °CAverage September
14.8 °CHighest 4 September, 2026
18 °C
Climate (2021–2026)
Neptune Island (36km)
Average Low 2021–2026
14.3 °CAverage 2021–2026
16.2 °CAverage High 2021–2026
18.8 °C