Forecast issued at 4:01 pm WST on Saturday 22 November 2014.
A ridge lies over metropolitan waters and is expected to shift south during Sunday and Monday as a surface trough develops rapidly down the west coast. The deepening trough will extend offshore south of Geraldton on Tuesday.
Forecast for Saturday until midnight
- Southwesterly 10 to 15 knots decreasing to about 10 knots in the evening.
- Partly cloudy. 20% chance of a shower.
Sunday 23 November
- South to southwesterly about 10 knots increasing to 10 to 15 knots in the morning.
- Partly cloudy. 30% chance of a shower in the morning.
Monday 24 November
- East to southeasterly 10 to 15 knots turning southerly 15 to 20 knots in the middle of the day then becoming southeasterly about 10 knots in the late evening.
Tuesday 25 November
- East to southeasterly 15 to 20 knots.
- Becoming cloudy. 20% chance of a shower. The chance of a thunderstorm in the afternoon and evening.
Wednesday 26 November
- Easterly 20 to 25 knots tending northeasterly 15 to 20 knots during the morning then turning north to northwesterly below 10 knots during the afternoon.
- Partly cloudy. 30% chance of a shower. The chance of a thunderstorm in the morning and afternoon.
Please be awareWind gusts can be 40 percent stronger than the averages given here. Wind warnings are issued for today and tomorrow and describe the highest category of wind warning for that day.
The next routine forecast will be issued at 4:00 am WST Sunday.