Todays boating forcast as provided by the Bureau of Meteorology:

IDW11400
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 30 July 2010
Valid until midnight Sunday

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 high pressure ridge will establish itself over the southern parts of the
state.

Forecasts:
Friday until midnight: NE winds 5/10 knots, becoming NW 5/10 knots later this
morning. Winds shifting W/SW 13/18 knots in the early afternoon. Seas 1.0m,
rising to 1.5m later. Swell to 2.5m.
Swell at Cottesloe:  to 0.8m.
Winds on Melville Water: Similar.

Saturday: SE/NE winds 5/10 knots, tending S/SW 5/10 knots for a period in the
afternoon. Seas to 0.5m. Swell to 2.5m.
Sunday: E/NE winds 10/15 knots.

Current Swell Observations:
Rottnest Waverider Buoy:  Not available.
Cottesloe Waverider Buoy: Not available.

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 Friday.



        

For more information on the weather, see the Bureau of Meteorology