Forecast for Perth, Western Australia

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 Monday 7 July 2008
Valid until midnight Wednesday

Warnings
Nil.

Synoptic Situation
A high pressure system is developing over the south of the state.

Forecasts:
Monday until midnight: N/NE winds 15/20 knots tending N'ly 15/20 during the
afternoon. Seas to 1.5m. Swell to 3.0m, easing.
Swell at Cottesloe: to 1.0m.
Winds on Melville Water: Similar, but about 5 to 10 knots lighter.

Tuesday: N'ly winds 15/20 knots tending N/NW 13/18 knots during the afternoon.
Seas 1.0m to 1.5m. Swell 2.0m to 2.5m.
Wednesday: S'ly 10/15 knots shifting E/SE 15/20 knots in the afternoon.

Current Swell Observations:
Rottnest Waverider Buoy: 3.0m
Cottesloe Waverider Buoy: 1.0m

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 Monday.

Kalbarri to Jurien Bay: (Including GERALDTON)
Monday until midnight: N/NE winds 15/20 knots easing to N/NE 13/18 knots during
the afternoon. Seas 1.0m to 1.5m. Swell to 3.0m, easing.
Tuesday: N/NE winds 15/20 knots tending N'ly 10/15 knots during the afternoon.
Seas 1.0m to 1.5m. Swell to 1.5m.
Wednesday: E'ly winds 10/15 knots.

Jurien Bay to Mandurah: (Including LANCELIN & CERVANTES)
Monday until midnight: N/NE winds 15/20 knots tending N'ly 15/20 during the
afternoon. Seas to 1.5m. Swell to 3.0m, easing.
Tuesday: N'ly winds 15/20 knots tending N/NW 13/18 knots during the afternoon.
Seas 1.0m to 1.5m. Swell 2.0m to 2.5m.
Wednesday: S'ly 10/15 knots shifting E/SE 15/20 knots in the afternoon.

Mandurah to Cape Leeuwin: (Including MARGARET RIVER)
Strong Wind Warning issued south of Cape Naturaliste.
Monday until midnight: N/NE winds 15/20 knots increasing to N/NW 20/30 knots
south of Cape Naturaliste mid morning. Seas 1.5m to 2.0m. Swell to 3.5m, easing.
Tuesday: N/NW winds 15/20 knots reaching 20/30 knots south of Cape Naturaliste.
Winds shifting W/SW 13/18 knots throughout during the evening. Seas 1.0m to
1.5m. Swell to 3.0m.
Wednesday: S'ly winds 13/18 knots shifting E/SE 18/23 knots in the afternoon.

Cape Leeuwin to Bremer Bay: (Including ALBANY)
Strong Wind Warning Cape Leeuwin to Windy Harbour.
Monday until midnight: N/NW winds 15/20 knots increasing to N/NW 20/30 knots
west of Windy Harbour mid morning. Seas 1.5m to 2.0m. Swell to 4.0m, easing.
Tuesday: NW winds 20/30 knots ahead of a SW'ly 15/20 knots change extending from
the west during the afternoon and evening. Seas 1.5m to 2.0m. Swell to 3.0m.
Wednesday: SW winds 15/20 knots, reaching 20/30 knots east of Albany in the
morning. Winds shifting SE'ly 15/20 knots throughout from the west during the
afternoon and evening.

Bremer Bay to Israelite Bay: (Including ESPERANCE)
Monday until midnight: N'ly winds 8/13 knots tending N/NW 10/15 knots in the
afternoon and evening. Seas to 1.0m . Swell to 3.5m, easing.
Tuesday: NW winds 15/20 knots increasing to W/NW 20/25 knots offshore in the
afternoon. Seas 1.5m to 2.0m. Swell to 2.5m.
Wednesday: W/NW winds 20/30 knots shifting W/SW 20/30 knots by sunrise. Winds
easing to S/SW 15/20 knots from the west during the afternoon and tending SE'ly
15/20 knots during the evening.

Israelite Bay to SA Border:
Monday until midnight: S/SW winds 10/15 knots reaching S/SW 15/20 knots east of
Caiguna. Winds easing from the west during the morning and tending variable 5/10
knots throughout in the afternoon. Seas to 1.5m, easing. Swell to 3.5m.
Tuesday: NW winds 10/15 knots reaching 15/20 knots west of Eyre. Winds
increasing to NW 18/23 knots throughout offshore in the afternoon. Seas to 1.5m.
Swell to 2.5m, easing.
Wednesday: W/NW winds 18/23 knots ahead of a SW 20/25 knot change extending from
the west during the day.