Upper South East Coastal Waters Forecast: Murray Mouth to Cape Jaffa

View the current warnings for South Australia

Forecast issued at 10:02 am CST on Thursday 18 July 2024.

Weather Situation

A high pressure ridge is moving eastwards over SA today then northerly winds will freshen and become gusty ahead of a cold front which will move across the State on Friday. Another high pressure ridge will move across the north over the weekend and westerly winds will prevail in the south.

Forecast for Thursday until midnight

Strong Wind Warning for Thursday for Upper South East Coast

Winds
Westerly 10 to 15 knots turning north to northwesterly 15 to 20 knots during the afternoon and evening. Winds reaching up to 30 knots offshore in the late evening.
Seas
Around 1 metre, increasing to 1 to 1.5 metres offshore by early evening.
1st Swell
Southwesterly 1.5 to 2 metres.
2nd Swell
Southerly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather
Cloudy.

Friday 19 July

Gale Warning for Friday for Upper South East Coast

Winds
North to northwesterly 20 to 30 knots turning westerly 30 to 40 knots in the late afternoon.
Seas
2 to 3 metres, increasing to 2.5 to 4 metres around midday.
Swell
Southwesterly 1.5 to 2 metres, tending westerly 2 to 3 metres during the morning.
Weather
Cloudy. 95% chance of showers, with possible small hail offshore at night.

Saturday 20 July

Winds
West to southwesterly 35 to 45 knots decreasing to 25 to 30 knots in the late morning then tending west to northwesterly 20 to 25 knots in the evening.
Seas
3 to 4 metres, decreasing to 2 to 3 metres during the afternoon.
Swell
Westerly 3 to 5 metres, increasing to 5 to 7 metres during the morning.
Weather
Partly cloudy. 80% chance of showers, with possible small hail in the morning and afternoon.

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 3:50 pm CST Thursday.

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