Australian Government Bureau of Meteorology
Western Australia
Local Waters Forecast
Yanchep to Mandurah and Offshore to Rottnest Island
Issued at 4:30 am WST on Friday 3 July 2009
Valid until midnight Sunday
Warnings
Nil.
Synoptic Situation
A high pressure system is developing in the Bight, bringing a SE/NE flow over
the west coast.
Forecasts:
Friday until midnight: E/NE winds 13/18 knots. Seas to 1.0m. Swell to 1.0m.
Swell at Cottesloe: to 0.3m.
Winds on Melville Water: Similar.
Saturday: N/NE winds 10/15 knots. Seas to 1.0m. Swell 0.5m to 1.0m.
Sunday: N/NE winds 10/15 knots.
Current Swell Observations:
Rottnest Waverider Buoy: 1.2m.
Cottesloe Waverider Buoy: Unavailable.
Current swell height information is supplied by the Department for Planning and
Infrastructure and is current only at the time of issue of this forecast
The next routine forecast will be issued at 11:30 am WST Friday.
Kalbarri to Jurien Bay: (Including GERALDTON)
Friday until midnight: E/NE winds 15/20 knots tending NE'ly 13/18 knots in the
afternoon. Seas to 1.5m. Swell to 1.0m.
Saturday: N/NE winds 10/15 knots. Seas to 1.0m. Swell 0.5m to 1.0m.
Sunday: N/NE winds 8/13 knots.
Jurien Bay to Mandurah: (Including LANCELIN & CERVANTES)
Friday until midnight: E/NE winds 13/18 knots. Seas 1.0m to 1.5m. Swell to 1.0m.
Saturday: N/NE winds 10/15 knots. Seas to 1.0m. Swell 0.5m to 1.0m.
Sunday: N/NE winds 10/15 knots.
Mandurah to Cape Leeuwin: (Including MARGARET RIVER)
Friday until midnight: E/NE winds 13/18 knots. Seas to 1.5m. Swell to 1.5m.
Saturday: N/NE winds 10/15 knots. Seas to 1.0m. Swell 1.0 to 1.5m.
Sunday: N/NE winds 10/15 knots increasing to N'ly 15/20 knots offshore south of
Cape Naturaliste in the afternoon.
Cape Leeuwin to Bremer Bay: (Including ALBANY)
Friday until midnight: Variable winds 5/10 knots tending NE 8/13 knots west of
Walpole. Winds tending E/NE 10/15 knots throughout during the afternoon. Seas
1.0m to 1.5m. Swell to 1.5m.
Saturday: N/NE winds 10/15 knots. Seas to 1.0m. Swell 1.5m to 2.0m.
Sunday: N/NE winds 10/15 knots increasing to 15/20 knots offshore west of Windy
Harbour in the afternoon.
Bremer Bay to Israelite Bay: (Including ESPERANCE)
Friday until midnight: Variable winds 5/10 knots tending E/NE 5/10 knots in the
evening. Seas 0.5m to 1.0m. Swell to 1.5m.
Saturday: N/NE winds 10/15 knots. Seas to 1.0m. Swell to 1.5m.
Sunday: N/NE winds 10/15 knots.
Israelite Bay to SA Border:
Friday until midnight: S/SW winds 8/13 knots tending SE 5/10 knots in the late
afternoon and evening. Seas to 1.0m. Swell to 1.5m.
Saturday: E/NE winds 5/10 knots tending E/SE 10/15 inshore for a period in the
afternoon. Seas to 1.0m. Swell to 1.5m.
Sunday: E/NE winds 5/10 knots shifting SE 5/10 knots inshore for a period in the
afternoon.
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