Seal Island Weather Forecast
- 7
- 16
Mostly sunny
- 5
- 17
Partly cloudy
- 7
- 16
Partly cloudy
- 5
- 15
Partly cloudy
- 6
- 16
Partly cloudy
- 6
- 17
Possible shower
- 8
- 17
Shower or two
Today 23 Jun Mount Lofty Ranges
Partly cloudy. Light winds becoming northwesterly 15 to 20 km/h in the morning then becoming light in the early afternoon. Daytime maximum temperatures between 13 and 16.
South Central Coastal Waters
- Wind
- Northwesterly 10 to 15 knots decreasing to about 10 knots in the late evening.
- Seas
- Around 1 metre.
- 1st Swell
- Southwesterly 2 metres.
- Weather
- Partly cloudy. 70% chance of showers.
- Weather Situation
- A high pressure system currently over the eastern border will drift into NSW as a weak trough skims the southeast today and into Wednesday morning. A new high will move across waters to the south mid-week to be centred over Tasmania on Thursday, continuing to extend a ridge over SA on Friday.
Seal Island Temperature Statistics View More
June Temperature
Encounter Bay (4km)
Lowest 22 June, 2026
2.5 °CAverage June
12.6 °CHighest 12 June, 2026
23.5 °C
Climate (2021–2026)
Encounter Bay (4km)
Average Low 2021–2026
10.5 °CAverage 2021–2026
15.3 °CAverage High 2021–2026
20.7 °C