Watermark Rock Weather Forecast
- 10
- 18
Showers increasing
- 7
- 13
Showers. Very windy
- 9
- 15
Showers. Windy
- 7
- 13
Shower or two
- 5
- 15
Partly cloudy
- 9
- 15
Shower or two. Windy
- 8
- 15
Shower or two. Windy
Today 19 Sep Furneaux Islands
Partly cloudy. Very high chance of showers, most likely this evening. The chance of a thunderstorm late this afternoon and evening. Winds north to northwesterly 20 to 30 km/h turning westerly 25 to 40 km/h in the late evening. Daytime maximum temperatures around 18.
Central North Coastal Waters
Stanley to Flinders Island- Wind
- Northwesterly 20 to 30 knots decreasing to 15 to 25 knots in the early afternoon then tending west to northwesterly 20 to 30 knots in the evening. Winds reaching up to 35 knots in the evening.
- Seas
- 1 to 2 metres, increasing to 2 to 3 metres during the afternoon.
- 1st Swell
- Westerly around 1 metre, increasing to 1 to 1.5 metres later in the evening.
- Weather
- Partly cloudy. 90% chance of showers, with possible small hail inshore at night. The chance of a thunderstorm in the afternoon and evening.
- Weather Situation
- A series of cold fronts, embedded in a westerly airstream, are expected to cross the state during coming days. The first of the fronts will move east away from the state during Friday morning, ahead of a stronger front on Friday evening. Further fronts are expected during Saturday to Monday.
Watermark Rock Temperature Statistics View More
September Temperature
Flinders Island Airport (14km)
Lowest 6 September, 2025
0.8 °CAverage September
12 °CHighest 15 September, 2025
22.5 °C
Climate (2020–Present)
Flinders Island Airport (14km)
Average Low 2020–2025
10.4 °CAverage 2020–2025
14.3 °CAverage High 2020–2025
18.4 °C