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South Australia Coastal Waters Forecast for South Australia Issued at 5:10 am CST on Monday 7 July 2008 valid until midnight Wednesday. Warnings A Strong Wind Warning is current for the West, South Central and South East Coasts and Spencer Gulf south of Cowell to Wallaroo. Synoptic Situation At 0300 Monday a cold front near Port Lincoln is expected to reach Adelaide around 9 am and the Victorian border around midday. Another cold front will cross South Australian coastal waters later Wednesday and early Thursday. Far West Coast: Monday until midnight : Wind: SW/S 18/23 knots easing to 13/18 knots late afternoon and 8/13 knots in the evening. Sea: 1.5 to 2.5 m abating 1 to 1.5 m. Swell: SW 3.5 to 4.5 m. Tuesday : Wind: SW/NW 3/8 knots, becoming NW 10/15 knots by late morning and reaching 15/20 knots offshore. Sea: 0.5 to 1 m rising 1 to 1.5 m. Swell: SW 3 to 4m decreasing 2 to 3 m. Wednesday : Wind: NW/W 15/25 knots shifting SW 15/25 knots late afternoon or evening. West Coast: Strong Wind Warning. Monday until midnight : Wind: SW/S 20/30 knots easing to 18/23 knots late afternoon and 13/18 knots in the evening. Isolated thunderstorms south of Elliston early morning. Sea: 2 to 3 m abating 1 to 2 m. Swell: SW 3.5 to 4.5 m. Tuesday : Wind: SW 13/18 knots easing to 8/13 knots late morning, turning W/NW in the afternoon and freshening to 13/18 knots in the evening. Sea: 1 to 2 m. Swell: SW 4 to 5 m decreasing 3 to 4 m. Wednesday : Wind: NW 15/25 knots increasing to 20/30 knots during the morning shifting SW 20/30 knots late afternoon or evening. Gulf Waters: Strong Wind Warning. Monday until midnight : Wind: W/NW 15/20 knots, ahead of a SW/S change 20/25 knots during the morning, reaching 20/30 knots on Spencer Gulf south of Cowell to Wallaroo until early evening. Isolated thunderstorms. Sea: 1.5 to 2.5 m. Swell: SW 2 to 3 m on southern Spencer Gulf, W/SW 1 to 2 m on southern Gulf St Vincent. Tuesday : Wind: SW 18/23 knots easing to W/SW 13/18 knots during the afternoon. Sea: 1 to 2 m. Swell: SW 2 to 3 m on southern Spencer Gulf, W/SW 1 to 2 m on southern Gulf St Vincent. Wednesday : Wind: NW 10/20 knots increasing to 15/25 knots south of Cowell to St Kilda during the morning then shifting SW 15/25 knots from the south late evening. South Central Coast: Strong Wind Warning. Monday until midnight : Wind: W/NW 15/20 knots ahead of a SW change 20/30 knots west of Kangaroo Island early morning, and the remainder during the day. Isolated thunderstorms, contracting east of Kangaroo Island by evening. Sea: 2 to 3 m. Swell: SW 3 to 4 m on exposed waters increasing 4 to 5 m. Tuesday : Wind: SW 20/30 knots easing to 18/23 knots during the morning, then SW/NW 15/20 knots in the afternoon and evening. Sea: 2 to 3 m abating 1 to 2 m. Swell: SW 4 to 5 m on exposed waters decreasing 3 to 4 m. Wednesday : Wind: South and west of Kangaroo Island: NW 15/25 knots increasing to 20/30 knots during the morning then strengthening NW/W 25/35 knots during the afternoon ahead of a SW change 25/35 knots. Remainder: NW 10/20 knots increasing to 15/25 knots during the morning and reaching 20/30 knots late afternoon ahead of a SW change 20/30 knots late evening. South East Coast: Strong Wind Warning. Monday until midnight : Wind: NW 13/18 knots, gradually turning SW/S 18/23 knots during the morning, increasing to 20/30 knots from the west during the afternoon. Isolated thunderstorms. Sea: 1 to 2 m, rising 2 to 3 m. Swell: SW 2 to 3 m increasing 3 to 4 m. Tuesday : Wind: SW 20/30 knots easing to 18/23 knots during the afternoon and 13/18 knots in the evening. Isolated early morning thunderstorms. Sea: 2 to 3 m abating 1 to 2 m. Swell: SW 4 to 5 m decreasing 3 to 4 m. Wednesday : Wind: W/NW 10/20 knots becoming NW 20/30 knots during the day before increasing to 25/35 knots during the afternoon or evening. A SW change at 25/35 knots in the evening. The next routine forecast will be issued at 3:30 pm CST Monday. |