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 Wednesday 1 February 2012
Valid until midnight Friday

Please Be Aware
Wind gusts can be 40 percent stronger than the averages given here, and maximum
wave may be up to twice the height.

Warnings
Nil.

Synoptic Situation
A ridge of high pressure to the south of the state with a deepening surface
trough off the coast.

Forecasts:
Wednesday until midnight: NE winds 13/18 knots tending NW/SW 10/15 knots in the
afternoon and S/SE 10/15 knots in the evening. Seas to 1.0m. Swell to 1.5m.
Swell at Cottesloe: to 0.3m.
Winds on Melville Water: NE winds 15/20 knots easing to N’ly 10/15 knots late
morning. Winds shifting W/SW 10/15 knots in the afternoon and S’ly 8/13 knots in
the evening.

Thursday: SE winds 18/23 knots. Seas 1.5m to 2.0m. Swell to 1.5m.
Friday: E/SE winds 13/18 knots tending S’ly 20/30 knots in the afternoon.

Current Swell Observations:
Rottnest Waverider Buoy: 0.5m.
Cottesloe Waverider Buoy: 0.3m.

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 Wednesday.

View current weather update at Seabreeze.com.au

Australian Government Bureau of Meteorology
Western Australia

UPDATED Local Waters Forecast
Yanchep to Mandurah and Offshore to Rottnest Island
Issued at 5:05 am WST on Monday 23 January 2012
Valid until midnight Wednesday

Please Be Aware
Wind gusts can be 40 percent stronger than the averages given here, and maximum
wave may be up to twice the height.

Warnings
Strong Wind Warning for Monday afternoon.

Synoptic Situation
A high pressure system to the southwest of the state, and a surface trough lies
inland.

Forecasts:
Monday until midnight: S/SE winds 20/25 knots easing to 15/20 knots for a period
during the morning. Winds strengthening S/SW 20/30 knots during the afternoon,
and becoming E/SE 20/25 knots during the evening. Seas 2.0m to 2.5m. Swell to
2.0m, increasing to 3.5m in the afternoon.
Swell at Cottesloe: 0.7m rising to 1.2m.
Winds on Melville Water: Similar, but up to 5 knots lighter at times.

Tuesday: E/SE winds 15/20 knots tending S/SE 10/15 knots inshore for a period in
the afternoon. Seas 1.0m to 1.5m. Swell to 3.5m.
Wednesday: E’ly winds 15/20 knots easing to E/SE 15/20 knots in the afternoon.

Current Swell Observations:
Rottnest Waverider Buoy: 1.9m.
Cottesloe Waverider Buoy: N/A.

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.

View current weather update at Seabreeze.com.au