Upper West Coastal Waters Forecast: Fowlers Bay to Elliston

View the current warnings for South Australia

Forecast issued at 3:30 pm CST on Monday 10 August 2026.

Weather Situation

A high pressure system is located just to the northeast of the state, ahead of a cold front forecast to move across the state from Tuesday and early Wednesday. A ridge of high pressure then pushes into the west of the state on Wednesday, with the associated high moving over the rest of SA on Thursday.

Forecast for Monday until midnight

Winds
Westerly 10 to 15 knots tending northwesterly 15 to 20 knots in the late afternoon.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Streaky Bay.
Swell
Southwesterly 4 metres.
Weather
Partly cloudy.

Tuesday 11 August

Strong Wind Warning for Tuesday for Upper West Coast

Winds
North to northwesterly 15 to 25 knots, reaching up to 30 knots during the day. Winds shifting southwesterly 20 to 25 knots in the early afternoon.
Seas
1.5 to 2.5 metres.
Swell
Southwesterly 2.5 to 3 metres, increasing to 2 to 4 metres inshore.
Weather
Cloudy. Near 100% chance of showers. The chance of a thunderstorm south of Streaky Bay in the late morning and afternoon.

Wednesday 12 August

Winds
Southwesterly 25 to 30 knots decreasing to 15 to 25 knots before dawn then decreasing to 15 to 20 knots in the morning.
Seas
2 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre by early evening.
Swell
Southwesterly 3 to 5 metres.
Weather
Partly cloudy. 60% chance of showers.

Thursday 13 August

Winds
Variable about 10 knots.
Seas
Below 1 metre.
Swell
Southwesterly 4 metres.
Weather
Cloudy.

Please be awareWind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.

Nearby Coastal Waters

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The next routine forecast will be issued at 9:30 pm CST Monday.

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