Weather Situation for South Australia
A strong high pressure system is centred south the Bight. This system will move slowly northeastwards to be centred over the eastern states late today then over the Tasman Sea on Wednesday. A cold front will move across SA late on Wednesday, followed by another cold front over southern waters on Thursday.
Far West Coast: WA-SA Border to Fowlers Bay Forecast
Local Waters Forecast for Far West Coast: WA-SA Border to Fowlers Bay
Issued: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: Northeasterly 10 to 15 knots tending northerly in the morning then becoming variable about 10 knots in the middle of the day.
Seas: Around 1 metre.
Swell: Southwesterly 1 to 1.5 metres.
Weather: Sunny.
Forecast for Wednesday, 18 September
Winds: North to northeasterly 10 to 15 knots shifting south to southwesterly in the early afternoon. Winds reaching up to 20 knots offshore in the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres offshore later in the evening.
Swell: Southwesterly 1 to 1.5 metres.
Weather: Sunny.
Forecast for Thursday, 19 September
Winds: South to southwesterly 15 to 20 knots decreasing to about 10 knots during the evening.
Seas: 1 to 1.5 metres, decreasing to 1 metre during the morning.
Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
Weather: Cloudy.
Upper West Coast: Fowlers Bay to Elliston Forecast
Local Waters Forecast for Upper West Coast: Fowlers Bay to Elliston
Issued: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: Northeasterly 10 to 15 knots tending northerly in the morning then becoming variable about 10 knots in the middle of the day.
Seas: Below 1 metre.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres south of Streaky Bay.
Weather: Sunny.
Forecast for Wednesday, 18 September
Winds: Northwest to northeasterly 10 to 15 knots tending west to northwesterly in the middle of the day then turning southwesterly in the afternoon.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 metres.
Weather: Sunny.
Forecast for Thursday, 19 September
Winds: Southwesterly 15 to 20 knots decreasing to about 10 knots during the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres south of Streaky Bay.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the afternoon.
Weather: Cloudy.
Lower West Coast: Elliston to Cape Carnot Forecast
Local Waters Forecast for Lower West Coast: Elliston to Cape Carnot
Issued: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: Northeasterly 10 to 15 knots turning northwesterly in the late morning.
Seas: Below 1 metre.
Swell: Southerly 2 metres, tending southwesterly 1.5 to 2 metres during the morning, then decreasing to 1.5 metres by early evening.
Weather: Sunny.
Forecast for Wednesday, 18 September
Winds: Northwesterly 15 to 20 knots turning southwesterly 10 to 15 knots in the evening.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing below 1 metre by early evening.
Swell: Southwesterly 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
Weather: Sunny.
Forecast for Thursday, 19 September
Winds: Southwesterly 15 to 20 knots turning westerly 10 to 15 knots during the evening.
Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1.5 to 2.5 metres, increasing to 2.5 to 4 metres during the evening.
Weather: Cloudy.
Central Coast Forecast
Local Waters Forecast for Central Coast
Issued: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: North to northeasterly below 10 knots tending north to northwesterly 10 to 15 knots early in the morning.
Seas: Around 1 metre.
Swell: Southwesterly 1.5 to 2.5 metres.
Weather: Mostly sunny.
Forecast for Wednesday, 18 September
Winds: Northwesterly 15 to 20 knots turning west to southwesterly in the afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: Southwesterly 1.5 to 2.5 metres.
Weather: Sunny.
Forecast for Thursday, 19 September
Winds: Southwesterly 15 to 25 knots turning westerly during the afternoon.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: Southwesterly 2 to 2.5 metres, increasing to 3 to 5 metres during the afternoon or evening.
Weather: Cloudy. 50% chance of showers.
South Central Coast Forecast
Local Waters Forecast for South Central Coast
Issued: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: Northwesterly about 10 knots increasing to 15 to 25 knots in the morning.
Seas: Below 1 metre, increasing to 1 to 1.5 metres around midday.
Swell: Southwesterly 2 to 2.5 metres.
Weather: Partly cloudy.
Forecast for Wednesday, 18 September
Winds: Northwesterly 20 to 25 knots, reaching up to 30 knots in the late morning and early afternoon. Winds turning west to southwesterly 15 to 25 knots in the afternoon.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2 to 3 metres.
Weather: Mostly sunny.
Forecast for Thursday, 19 September
Winds: Southwesterly 20 to 25 knots turning westerly 20 to 30 knots during the morning.
Seas: 1.5 to 2.5 metres.
Swell: Southwesterly 2.5 to 3 metres, increasing to 4 to 6 metres during the afternoon or evening.
Weather: Cloudy. 60% chance of showers.
Upper South East Coast: Murray Mouth to Cape Jaffa Forecast
Local Waters Forecast for Upper South East Coast: Murray Mouth to Cape Jaffa
Issued: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: Northwesterly about 10 knots increasing to 10 to 15 knots in the morning. Winds reaching up to 20 knots south of Salt Creek in the evening.
Seas: Around 1 metre.
Swell: Southwesterly 2 to 2.5 metres.
Weather: Partly cloudy.
Forecast for Wednesday, 18 September
Winds: Northwesterly 15 to 25 knots turning west to southwesterly 15 to 20 knots during the afternoon and evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning.
Swell: Southwesterly 2 to 3 metres.
Weather: Mostly sunny.
Forecast for Thursday, 19 September
Winds: Southwesterly 15 to 20 knots turning westerly 20 to 30 knots during the morning.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Swell: Southwesterly 2.5 to 3 metres, increasing to 3 to 5 metres during the evening.
Weather: Partly cloudy. 70% chance of showers.
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: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: Westerly 15 to 25 knots turning northwesterly 20 to 25 knots in the evening. Winds reaching up to 30 knots south of Beachport in the late evening.
Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres around midday.
Swell: Southwesterly 2.5 to 3 metres.
Weather: Cloudy.
Forecast for Wednesday, 18 September
Winds: Northwesterly 20 to 30 knots turning west to southwesterly in the late afternoon.
Seas: 2 to 3 metres.
Swell: West to southwesterly 2.5 to 3 metres, increasing to 3 to 4 metres south of Port MacDonnell.
Weather: Partly cloudy. 80% chance of showers.
Forecast for Thursday, 19 September
Winds: Westerly 25 to 35 knots.
Seas: 1.5 to 2 metres, increasing to 2 to 3 metres during the morning.
Swell: Southwesterly 3 to 4 metres, increasing to 4 to 7 metres during the afternoon.
Weather: Partly cloudy. 80% chance of showers.
Spencer Gulf Forecast
Local Waters Forecast for Spencer Gulf
Issued: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: Variable about 10 knots.
Seas: Below 1 metre.
Swell: South to southwesterly below 1 metre, increasing to 1 to 1.5 metres south of Cowell to Wallaroo.
Weather: Sunny.
Forecast for Wednesday, 18 September
Winds: North to northwesterly 15 to 20 knots turning west to southwesterly in the early afternoon.
Seas: Around 1 metre.
Swell: South to southwesterly around 1 metre.
Weather: Sunny.
Forecast for Thursday, 19 September
Winds: Westerly 10 to 15 knots turning southwesterly 15 to 25 knots during the morning.
Seas: Below 1 metre, increasing to 1 to 2 metres during the morning.
Swell: South to southwesterly around 1 metre, increasing to 1 to 2 metres during the evening.
Weather: Partly cloudy.
Gulf St Vincent Forecast
Local Waters Forecast for Gulf St Vincent
Issued: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: Variable about 10 knots.
Seas: Below 0.5 metres.
Swell: West to southwesterly below 0.5 metres.
Weather: Mostly sunny.
Forecast for Wednesday, 18 September
Winds: North to northwesterly 10 to 15 knots turning westerly 15 to 20 knots in the early afternoon.
Seas: Around 1 metre.
Swell: South to southwesterly below 1 metre.
Weather: Sunny.
Forecast for Thursday, 19 September
Winds: West to southwesterly 15 to 25 knots.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: South to southwesterly below 1 metre.
Weather: Cloudy.
Investigator Strait Forecast
Local Waters Forecast for Investigator Strait
Issued: Tuesday, 17 September 5:10AM
Forecast for Tuesday, 17 September
Winds: Variable about 10 knots becoming northwesterly 10 to 15 knots in the evening.
Seas: Below 1 metre.
Swell: West to southwesterly below 1 metre.
Weather: Cloud clearing.
Forecast for Wednesday, 18 September
Winds: Northwesterly 15 to 20 knots tending westerly in the middle of the day. Winds reaching up to 25 knots through the Backstairs Passage in the early afternoon.
Seas: Around 1 metre, increasing to 1 to 1.5 metres during the morning.
Swell: West to southwesterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather: Sunny.
Forecast for Thursday, 19 September
Winds: West to southwesterly 15 to 25 knots.
Seas: Around 1 metre, increasing to 1 to 2 metres during the morning.
Swell: West to southwesterly 1 to 1.5 metres.
Weather: Cloudy.
