Seaton Cove Weather Forecast
- 11
- 17
Shower or two
- 8
- 17
Partly cloudy
- 7
- 16
Partly cloudy
- 5
- 17
Partly cloudy
- 9
- 16
Shower or two
- 7
- 14
Showers
- 7
- 14
Shower or two
Today 20 Aug St Helens
Partly cloudy. Medium chance of showers, becoming less likely this afternoon. Winds northwesterly 20 to 30 km/h becoming light in the late evening.
East of Flinders Island Coastal Waters
North Flinders Island to St Helens Point- Wind
- Northwesterly 15 to 25 knots, reaching up to 30 knots offshore in the afternoon.
- Seas
- 1 to 2 metres, decreasing to 1 to 1.5 metres later in the evening.
- 1st Swell
- Northeasterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
- Weather
- Partly cloudy. 50% chance of showers.
- Weather Situation
- A series of troughs and fronts embedded in a westerly flow are then expected to cross Tasmania over the coming days. A high pressure system to the north of Tasmania brings a northwesterly flow and more stable conditions on Sunday.
Seaton Cove Temperature Statistics View More
August Temperature
St Helens Aerodrome (13km)
Lowest 1 August, 2026
3 °CAverage August
10.3 °CHighest 13 August, 2026
19.2 °C
Climate (2021–2026)
St Helens Aerodrome (13km)
Average Low 2021–2026
9.4 °CAverage 2021–2026
13.4 °CAverage High 2021–2026
18.3 °C