Weather Situation for South Australia
A high pressure ridge lies over waters well to the south of SA. An upper-level trough is producing widespread areas of cloud over central and eastern parts. A low pressure system develops over the Bight today. This low and associated trough over the State will eventually weaken and move eastwards mid-week.
Far West Coast: WA-SA Border to Fowlers Bay Forecast
Local Waters Forecast for Far West Coast: WA-SA Border to Fowlers Bay
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: South to southwesterly 20 to 25 knots, reaching up to 30 knots offshore in the late morning and early afternoon. Winds shifting north to northwesterly in the evening.
Seas: 1.5 to 2.5 metres.
Swell: Southerly 2.5 to 3 metres, increasing to 3 to 4 metres around midday.Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather: Cloudy. 80% chance of showers.
Forecast for Tuesday, 12 December
Winds: North to northwesterly 15 to 25 knots tending west to northwesterly 15 to 20 knots in the late afternoon.
Seas: 1 to 2 metres, decreasing below 1.5 metres during the afternoon.
Swell: Southeasterly 2 to 4 metres, decreasing to 1 to 2 metres during the afternoon.Southwesterly 1 to 2 metres, decreasing to 1.5 metres during the morning, then increasing to 1.5 to 2 metres around midday.
Weather: Cloudy. 70% chance of showers.
Forecast for Wednesday, 13 December
Winds: Westerly 15 to 20 knots turning southwesterly 10 to 15 knots during the afternoon.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon or evening.
Swell: Southwesterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
Weather: Partly cloudy.
Upper West Coast: Fowlers Bay to Elliston Forecast
Local Waters Forecast for Upper West Coast: Fowlers Bay to Elliston
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: Northeast to southeasterly 15 to 25 knots, reaching up to 30 knots offshore in the late morning and afternoon. Winds tending north to northwesterly in the middle of the day.
Seas: 1 to 2 metres.
Swell: Southerly 2 to 3 metres.Southwesterly 1 to 1.5 metres.
Weather: Partly cloudy.
Forecast for Tuesday, 12 December
Winds: Northerly 15 to 20 knots.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the afternoon.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the morning.South to southeasterly 1 to 1.5 metres inshore, increasing to 1 to 2 metres offshore.
Weather: Partly cloudy.
Forecast for Wednesday, 13 December
Winds: North to northwesterly 15 to 20 knots turning westerly during the day.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1.5 to 2 metres.South to southeasterly around 1 metre.
Weather: Mostly sunny.
Lower West Coast: Elliston to Cape Carnot Forecast
Local Waters Forecast for Lower West Coast: Elliston to Cape Carnot
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: East to northeasterly 15 to 25 knots turning north to northwesterly 15 to 20 knots in the afternoon. Winds may reach up to 30 knots offshore until early afternoon.
Seas: 2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell: Southeasterly 2 to 3 metres.Southwesterly 1 to 1.5 metres.
Weather: Partly cloudy. The chance of a thunderstorm inshore in the south east.
Forecast for Tuesday, 12 December
Winds: North to northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the late morning. Winds becoming variable about 10 knots in the early afternoon then becoming east to northeasterly 10 to 15 knots in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.Southeasterly 1 to 2 metres, decreasing to 1 to 1.5 metres later in the evening.
Weather: Partly cloudy.
Forecast for Wednesday, 13 December
Winds: Northeasterly 10 to 15 knots shifting west to northwesterly 15 to 25 knots during the morning.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1.5 to 2 metres.Southeasterly 1 to 1.5 metres, decreasing to below 1 metre during the morning.
Weather: Partly cloudy.
Central Coast Forecast
Local Waters Forecast for Central Coast
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: East to southeasterly 15 to 25 knots, reaching up to 30 knots in the late morning. Winds tending east to northeasterly 15 to 20 knots in the early afternoon then decreasing to about 10 knots in the late evening.
Seas: 2 to 3 metres, decreasing below 2 metres during the afternoon, then decreasing to 1 metre later in the evening.
Swell: Southeasterly 1.5 to 2.5 metres, increasing to 2 to 4 metres in the west.Southwesterly 1.5 metres.
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
Forecast for Tuesday, 12 December
Winds: Variable about 10 knots becoming east to southeasterly 10 to 15 knots in the late evening.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.Southeasterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres later in the evening.
Weather: Mostly sunny. The chance of a thunderstorm in the morning and afternoon.
Forecast for Wednesday, 13 December
Winds: East to northeasterly 10 to 15 knots shifting west to northwesterly 15 to 25 knots during the morning.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 1.5 to 2 metres, decreasing to 1.5 metres during the afternoon.Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather: Partly cloudy.
South Central Coast Forecast
Local Waters Forecast for South Central Coast
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: Southeasterly 20 to 30 knots, reaching up to 35 knots in the late morning.
Seas: 3 to 4 metres, decreasing to 2 to 3 metres during the afternoon.
Swell: Southeasterly 2 to 3 metres.Southwesterly 1.5 metres, increasing to 1.5 to 2 metres later in the evening.
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm.
Forecast for Tuesday, 12 December
Winds: East to southeasterly 15 to 25 knots tending east to northeasterly 15 to 20 knots in the morning then becoming variable about 10 knots in the middle of the day. Winds southeast of Kangaroo Island may reach up to 30 knots at times.
Seas: 1.5 to 2.5 metres, decreasing below 1 metre around midday.
Swell: Southwesterly 2 to 3 metres.Southeasterly 1.5 to 2.5 metres, decreasing to 1.5 metres later in the evening.
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
Forecast for Wednesday, 13 December
Winds: North to northeasterly 15 to 20 knots turning west to northwesterly 20 to 25 knots during the afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: Southwesterly 1.5 to 2.5 metres, decreasing to 1.5 metres during the evening.Southeasterly 1 to 1.5 metres, decreasing to below 1 metre during the morning.
Weather: Partly cloudy. The chance of a thunderstorm in the morning and afternoon.
Upper South East Coast: Murray Mouth to Cape Jaffa Forecast
Local Waters Forecast for Upper South East Coast: Murray Mouth to Cape Jaffa
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: Southeasterly 15 to 25 knots, reaching up to 30 knots offshore during the day.
Seas: 2 to 3 metres.
Swell: South to southeasterly 1 to 2 metres, decreasing to 1 to 1.5 metres around midday, then tending southeasterly 1 to 1.5 metres during the afternoon.Southwesterly 1.5 metres.
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm, possibly severe.
Forecast for Tuesday, 12 December
Winds: Southeasterly 10 to 15 knots, reaching up to 25 knots offshore early in the morning. Winds shifting west to southwesterly during the morning.
Seas: 1 to 2 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.South to southeasterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
Forecast for Wednesday, 13 December
Winds: Variable about 10 knots becoming northerly 10 to 15 knots during the morning then tending northwesterly 15 to 20 knots during the day.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Southwesterly 1.5 to 2.5 metres, decreasing to 1.5 metres during the evening.South to southeasterly around 1 metre.
Weather: Partly cloudy. 40% chance of showers in the southeast. The chance of a thunderstorm in the morning and afternoon.
Lower South East Coast: Cape Jaffa to SA-VIC Border Forecast
Local Waters Forecast for Lower South East Coast: Cape Jaffa to SA-VIC Border
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: Southeasterly 25 to 30 knots, reaching up to 35 knots south of Beachport in the late morning and early afternoon.
Seas: 2.5 to 3 metres.
Swell: Southwesterly 1.5 to 2.5 metres.Southeasterly below 1 metre inshore, increasing to 1 to 1.5 metres offshore.
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
Forecast for Tuesday, 12 December
Winds: East to southeasterly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds turning south to southwesterly 15 to 20 knots during the afternoon and evening.
Seas: 2 to 3 metres, decreasing to 1 to 2 metres around midday.
Swell: Southwesterly 2 to 3 metres, increasing to 2.5 to 4 metres south of Port MacDonnell.Southeasterly 1 to 1.5 metres.
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
Forecast for Wednesday, 13 December
Winds: Southeast to southwesterly 10 to 15 knots tending northwesterly 15 to 20 knots during the morning.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the afternoon or evening.
Swell: Southwesterly 1.5 to 2.5 metres.Southeasterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
Spencer Gulf Forecast
Local Waters Forecast for Spencer Gulf
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: Northeast to southeasterly 10 to 15 knots, reaching up to 20 knots south of Port Neill to Port Victoria in the late morning. Winds tending north to northeasterly in the middle of the day then becoming variable about 10 knots in the late evening.
Seas: 1.5 to 2.5 metres, decreasing below 1 metre during the afternoon.
Swell: Southeasterly 1.5 to 2.5 metres, tending southeast to southwesterly below 1 metre around midday.
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
Forecast for Tuesday, 12 December
Winds: North to northwesterly about 10 knots tending east to northeasterly 10 to 15 knots in the middle of the day then becoming variable about 10 knots in the late evening.
Seas: Below 1 metre.
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. The chance of a thunderstorm in the morning and afternoon.
Forecast for Wednesday, 13 December
Winds: Northerly 15 to 20 knots turning westerly 15 to 25 knots during the afternoon.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: South to southwesterly around 1 metre, increasing to 1 to 1.5 metres south of Port Neill to Port Victoria.
Weather: Partly cloudy.
Gulf St Vincent Forecast
Local Waters Forecast for Gulf St Vincent
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: East to southeasterly 10 to 15 knots, reaching up to 20 knots in the eastern waters in the late morning. Winds tending northwest to southwesterly in the middle of the day then becoming variable below 10 knots in the evening.
Seas: 1 to 1.5 metres, decreasing below 1 metre around midday.
Swell: West to southwesterly below 0.5 metres.
Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm, possibly severe.
Forecast for Tuesday, 12 December
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: West to southwesterly below 0.5 metres.
Weather: Partly cloudy. 70% chance of showers. The chance of a thunderstorm.
Forecast for Wednesday, 13 December
Winds: North to northeasterly 10 to 15 knots turning west to northwesterly 15 to 20 knots during the day, then shifting to westerly in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
Swell: Southeast to southwesterly below 0.5 metres.
Weather: Partly cloudy. The chance of a thunderstorm in the southeast.
Investigator Strait Forecast
Local Waters Forecast for Investigator Strait
Issued: Monday, 11 December 11:49AM
Forecast for Monday, 11 December
Winds: East to southeasterly 15 to 25 knots, reaching up to 30 knots in the late morning. Winds becoming variable about 10 knots in the evening.
Seas: 2 to 3 metres, decreasing below 1.5 metres during the afternoon, then decreasing below 1 metre by early evening.
Swell: Southeasterly 1 to 1.5 metres, decreasing below 0.5 metres later in the evening.
Weather: Partly cloudy. 90% chance of showers. The chance of a thunderstorm, possibly severe.
Forecast for Tuesday, 12 December
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: Southeast to southwesterly around 1 metre inshore.
Weather: Partly cloudy. 60% chance of showers. The chance of a thunderstorm.
Forecast for Wednesday, 13 December
Winds: North to northeasterly 15 to 20 knots turning west to northwesterly 15 to 25 knots during the day, then shifting to westerly in the evening.
Seas: Below 1 metre, increasing to 1 to 2 metres during the afternoon.
Swell: West to southwesterly below 1 metre.
Weather: Partly cloudy. The chance of a thunderstorm in the east.