Spencer Gulf Coastal Waters Forecast

View the current warnings for South Australia

Forecast issued at 5:10 am CST on Monday 21 August 2017.

Weather Situation

A low pressure system just west of Kangaroo Island early on Monday morning will move northeastwards and weaken to be centred just south of Adelaide around midday and over the northwest of Victoria late afternoon. A high will develop near the western border later on Monday, before moving eastwards over northern parts of the State. A weak front will move across southern coasts Wednesday morning.

Forecast for Monday until midnight

Winds
North to northwesterly 20 to 25 knots, shifting southwesterly 20 to 25 knots during the morning and early afternoon, then easing to 15 to 20 knots throughout mid afternoon.
Seas
1 to 2 metres, reaching 2 to 3 metres south of Cowell to Wallaroo till mid afternoon.
Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo during the morning.
Weather
Partly cloudy. 80% chance of showers south of Cowell to Wallaroo, 50% chance elsewhere. The chance of a thunderstorm south of Cowell to Wallaroo in the early morning.

Tuesday 22 August

Winds
Southwesterly 10 to 15 knots shifting northwesterly in the morning then tending westerly in the middle of the day. Winds north of Cowell to Wallaroo becoming variable below 10 knots during the day.
Seas
Around 1 metre.
Swell
South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 20% chance of a shower.

Wednesday 23 August

Winds
West to northwesterly 10 to 15 knots shifting southerly during the day then decreasing to about 10 knots in the evening. Winds north of Cowell to Wallaroo becoming variable below 10 knots for a period during the morning and early afternoon.
Seas
Below 1 metre.
Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Partly cloudy. 30% chance of a shower.

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

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The next routine forecast will be issued at 3:50 pm CST Monday.

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