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Australian Government Bureau of MeteorologyWestern Australia
Local Waters Forecast
Yanchep to Mandurah and Offshore to Rottnest Island
Issued at 4:30 am WST on Monday 15 March 2010
Valid until midnight Wednesday
Warnings
Nil.
Synoptic Situation
Broad trough of low pressure inland from the west coast. A new high developing
west of the state will result in freshening S/SW flow during the day on Monday.
Forecasts:
Monday until midnight: S/SW winds 8/13 knots increasing to 15/20 knots in the
afternoon. Seas 1.0m rising to 1.5m. Swell to 2.5m.
Swell at Cottesloe: to 0.6m.
Winds on Melville Water: Similar.
Tuesday: S/SE winds 15/20 knots tending S/SW 20/30 knots in the afternoon. Seas
1.5m to 2.0m. Swell to 2.0m.
Wednesday: E/SE winds 15/20 knots easing to 10/15 knots late morning before
shifting S/SW 18/23 knots during the afternoon.
Current Swell Observations:
Rottnest Waverider Buoy: 2.37m.
Cottesloe Waverider Buoy: 0.7m.
Current swell height information is supplied by the Department of Transport and
is current only at the time of issue of this forecast
The next routine forecast will be issued at 11:30 am WST Monday.
Kalbarri to Jurien Bay: (Including GERALDTON)
Monday until midnight: S/SW winds 10/15 knots increasing to 18/23 knots in the
afternoon Seas 1.0m rising to 1.5m. Swell to 2.5m.
Tuesday: S/SE winds 20/25 knots tending S/SW 20/30 knots in the afternoon. Seas
1.5m to 2.0m. Swell to 2.0m.
Wednesday: S/SE winds 20/25 knots tending E/SE 15/20 knots by dawn and S'ly
winds 20/25 knots in the afternoon.
Jurien Bay to Mandurah: (Including LANCELIN & CERVANTES)
Monday until midnight: S/SW winds 8/13 knots increasing to 15/20 knots in the
afternoon. Seas 1.0m rising to 1.5m. Swell to 2.5m.
Tuesday: S/SE winds 15/20 knots tending S/SW 20/30 knots in the afternoon. Seas
1.5m to 2.0m. Swell to 2.0m.
Wednesday: E/SE winds 15/20 knots easing to 10/15 knots late morning before
shifting S/SW 18/23 knots during the afternoon.
Mandurah to Cape Leeuwin: (Including MARGARET RIVER)
Monday until midnight: S'ly winds 10/15 knots tending SW 15/20 knots in the
afternoon. Seas 1.0m to 1.5m. Swell 3.0m easing to 2.0m.
Tuesday: S/SE winds 15/20 knots. Seas to 1.5m. Swell to 2.5m.
Wednesday: E/SE winds 10/15 knot shifting S/SW 13/18 knots during the afternoon.
Cape Leeuwin to Bremer Bay: (Including ALBANY)
Monday until midnight: NW/NE winds 8/13 knots shifting NW/SW 10/15 knots during
the morning and increasing to 15/20 knots from the west from late morning. Seas
1.0m to 1.5m. Swell 3.0m easing to 2.0m from the west later.
Tuesday: S/SW winds 13/18 knots tending S/SE 10/15 knots in the evening. Seas
1.0m to 1.5m. Swell to 2.5m.
Wednesday: Winds becoming N'ly 10/15 knots for a period in the morning and SW/SE
10/15 knots in the afternoon.
Bremer Bay to Israelite Bay: (Including ESPERANCE)
Monday until midnight: NE/NW winds 10/15 knots at first ahead of a S/SW change
10/15 knots extending throughout by the afternoon. S/SW winds increasing to
15/20 knots during the afternoon. Seas 1.0m to 1.5m. Swell to 2.5m.
Tuesday: S/SW winds 15/20 knots. Seas to 1.5m. Swell to 2.0m.
Wednesday: SE/NE winds 8/13 knots tending S/SE 10/15 knots in the afternoon and
E/SE 10/15 knots in the evening.
Israelite Bay to SA Border:
Monday until midnight: N/NE winds 13/18 knots shifting E/SE 10/15 knots inshore
for a period in the afternoon and early evening. Winds tending N/NE 15/20 knots
late evening. Seas 1.0m to 1.5m. Swell rising to 2.0m.
Tuesday: N'ly winds 20/25 knots ahead of a S/SW change 20/25 knots in the far
west extending east to reach the SA Border by evening. N'ly winds easing to
10/15 knots in the east for a period in the afternoon ahead of the change. Seas
1.0m to 2.0m. Swell to 1.5m.
Wednesday: S/SE winds grading from 13/18 knots in the west of 18/23 knots in the
east.
Forecasts provided by the BoM and is © Copyright Commonwealth of Australia, Bureau of Meteorology
