Forecast issued at 4:02 pm WST on Tuesday 27 January 2015.
A ridge extends through most of southern waters of WA with a high pressure system in the Bight. A surface trough lies down the west coast and will deepen tomorrow before moving inland briefly on Thursday. A new ridge of high pressure will develop rapidly to the south of the state on Friday.
Forecast for Tuesday until midnight
- Southerly 15 to 20 knots.
- Around 1 metre, increasing to 1 to 2 metres offshore.
- South to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
- Mostly clear. The chance of a thunderstorm inshore early this evening.
Wednesday 28 January
- Southerly 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Inshore winds tending variable below 10 knots for a period in the morning.
- Around 1 metre, increasing to 1 to 2 metres around midday.
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres offshore.
- Sunny morning. The chance of a thunderstorm in the afternoon.
Thursday 29 January
- Southerly 20 to 25 knots.
- 1.5 to 2 metres.
- Southwesterly 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
- Partly cloudy. The chance of a thunderstorm south of Geraldton in the morning and afternoon.
Friday 30 January
- Southerly 15 to 25 knots turning east to southeasterly 15 to 20 knots during the evening.
- 1 to 2 metres.
- Southwesterly 2 to 3 metres.
- Mostly sunny. The chance of a thunderstorm.
Please be awareWind gusts can be 40 percent stronger than the averages given here, and maximum waves may be up to twice the height. Wind warnings are issued for today and tomorrow and describe the highest category of wind warning for that day.
Nearby Coastal Waters
- This forecast is also available via scheduled broadcasts on marine radio.
- Latest Coastal Observations
- Tide Predictions
The next routine forecast will be issued at 4:00 am WST Wednesday.