Forecast issued at 4:45 pm CST on Wednesday 28 September 2016.
A vigorous front near Adelaide is moving slowly east and is associated with an intense low 975 hPa south of the Bight that is forecast to be centred just southwest of Kangaroo Island early Thursday morning, just south of Victor Harbor late morning and near Bordertown late afternoon. A high pressure system will move in from the west on Friday and then move east of the State early Saturday, ahead of a trough of low pressure moving across the west later Saturday.
Forecast for Wednesday until midnight
Gale Warning for Wednesday for Upper West Coast
- Westerly 30 to 40 knots increasing to 35 to 45 knots in the late evening.
- 4 to 5 metres.
- Southwesterly 3 to 4 metres, increasing to 4 to 6 metres later in the evening.
- Cloudy. 80% chance of showers. The chance of a thunderstorm. Possible small hail.
Thursday 29 September
Storm Force Wind Warning for Thursday for Upper West Coast
- West to southwest 40 to 50 knots, tending southwesterly 30 to 40 knots in the afternoon and decreasing to 25 to 33 knots late evening.
- 4 to 6 metres, decreasing to 3 to 4 metres during the afternoon.
- Southwesterly 6 to 9 metres, decreasing to 5 to 6 metres later in the evening.
- Cloudy. 80% chance of rain, with possible small hail in the early morning.
Friday 30 September
- Southwesterly 25 to 30 knots easing to 20 to 25 knots in the early morning then tending west to southwesterly 15 to 25 knots during the morning before becoming northwesterly about 10 knots in the evening.
- 2 to 3 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre during the afternoon.
- Southwesterly 5 to 7 metres, decreasing to 3 to 5 metres during the morning.
- Cloudy. 20% chance of a shower.
Saturday 1 October
- Northerly 15 to 20 knots shifting west to southwesterly during the afternoon then becoming variable about 10 knots during the evening.
- Around 1 metre, increasing to 1 to 2 metres during the morning.
- Southwesterly 2.5 to 3 metres, decreasing to 1.5 to 2 metres during the afternoon.
Please be awareWind gusts can be 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. Wind warnings are issued for today and tomorrow and describe the highest category of wind warning for that day.
Nearby Coastal Waters
- This forecast is also available via scheduled broadcasts on marine radio.
- Latest Coastal Observations
- Tide Predictions
The next routine forecast will be issued at 5:10 am CST Thursday.