Sleaford Bay Weather Forecast
- 16
- 29
Cloudy
- 18
- 29
Possible shower
- 13
- 21
Showers easing
- 11
- 19
Showers
- 12
- 20
Showers
- 11
- 20
Shower or two
- 11
- 19
Shower or two
Today 30 Apr Port Lincoln
Cloudy. Winds northerly 25 to 35 km/h becoming light in the evening then becoming northerly 15 to 20 km/h in the late evening.
Central Coastal Waters
- Wind
- Northerly 15 to 20 knots, reaching up to 25 knots in the west in the late morning and early afternoon.
- Seas
- Around 1 metre, increasing to 1 to 2 metres during the morning.
- 1st Swell
- Southwesterly 2 to 2.5 metres.
- Weather
- Cloudy.
- Weather Situation
- A strong high pressure system over the Tasman Sea will maintain a ridge across South Australia through to Friday. Northerly winds freshen on Friday ahead of a front that is forecast to move across the far west Friday afternoon, then continue across the state during the weekend. The low pressure system associated with this front is expected to cross south SA and bring a following trough across southern coasts late Sunday.
Sleaford Bay Temperature Statistics View More
April Temperature
Port Lincoln Airport (30km)
Lowest 14 April, 2026
8.8 °CAverage April
17.5 °CHighest 21 April, 2026
33.1 °C
Climate (2021–Present)
Port Lincoln Airport (30km)
Average Low 2021–2026
11.5 °CAverage 2021–2026
15.8 °CAverage High 2021–2026
21.3 °C