View the current warnings for Western Australia
Forecast issued at 4:05 pm WST on Thursday 17 August 2017.
Weather Situation
A ridge of high pressure lies across central parts of the State. A cold front is approaching from the the southwest and will cross the southwest corner and Lower West coast during Friday.
Forecast for Thursday until midnight
- Winds
- Northwesterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy. 30% chance of a shower.
Friday 18 August
- Winds
- Northerly 15 to 25 knots turning west to northwesterly below 10 knots in the late afternoon.
- Seas
- 1 to 2 metres, decreasing to 1 metre during the afternoon.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy. 90% chance of showers. A thunderstorm likely in the late afternoon and evening.
Saturday 19 August
- Winds
- Variable below 10 knots becoming westerly 15 to 20 knots before dawn then tending southwesterly 15 to 25 knots in the early afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
- Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Cloudy. Near 100% chance of showers. A thunderstorm likely in the morning and early afternoon.
Sunday 20 August
- Winds
- Southerly 15 to 25 knots decreasing to about 10 knots during the afternoon.
- Seas
- 1.5 to 2.5 metres, decreasing below 1 metre during the afternoon.
- 1st Swell
- Southwesterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
- 2nd Swell
- West to northwesterly 1 to 2 metres, decreasing below 0.5 metres during the morning.
- Weather
- Cloudy. 60% chance of showers.
Monday 21 August
- Winds
- Southwesterly about 10 knots.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
- Weather
- Cloudy. 40% chance of showers.
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.
- This forecast is also available via scheduled broadcasts on marine radio.
- Latest Coastal Observations
- Tide Predictions
- Marine Knowledge Centre - explanations and definitions
The next routine forecast will be issued at 4:00 am WST Friday.
Product IDW11400