View the current warnings for Western Australia
Forecast issued at 4:00 am WST on Thursday 19 October 2017.
Weather Situation
A ridge is developing over the south of the State. Later on Thursday and into Friday a high pressure system will become established over the Bight as a surface trough deepens down the west coast. A weak low pressure system is expected to develop off the west coast during Saturday and Sunday.
Forecast for Thursday until midnight
- Winds
- East to southeasterly 10 to 15 knots turning southerly 15 to 20 knots in the early afternoon then tending southeasterly in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres by early evening.
- Swell
- Southwesterly 2 to 3 metres inshore, increasing to 2.5 to 4 metres offshore.
- Weather
- Mostly sunny.
Friday 20 October
- Winds
- Easterly 15 to 20 knots turning southerly 10 to 15 knots in the early afternoon then tending southeasterly in the evening.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Sunny.
Saturday 21 October
- Winds
- East to southeasterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- Swell
- Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
- Weather
- Partly cloudy. 60% chance of showers. 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
- Marine Knowledge Centre - explanations and definitions
The next routine forecast will be issued at 4:00 pm WST Thursday.
Product IDW11290