View the current warnings for Western Australia
Forecast issued at 4:00 pm WST on Sunday 17 January 2021.
Weather Situation
A surface trough lies near the west coast with a high pressure system south of the Bight continuing to slowly move east. The surface trough will continue to move eastwards over the coming days and is expected to progress inland on Tuesday.
Forecast for Sunday until midnight
- Winds
- South to southeasterly 10 to 15 knots turning easterly in the evening.
- Seas
- Around 1 metre.
- Swell
- Southwesterly below 1 metre.
- Weather
- Clear.
Monday 18 January
- Winds
- East to northeasterly 15 to 20 knots tending north to northeasterly 10 to 15 knots in the middle of the day then becoming east to northeasterly below 10 knots in the late afternoon.
- Seas
- Around 1 metre.
- Swell
- Southwesterly below 1 metre.
- Weather
- Partly cloudy. The chance of a thunderstorm.
Tuesday 19 January
- Winds
- Variable about 10 knots becoming west to southwesterly 10 to 15 knots in the middle of the day then decreasing to about 10 knots in the late evening.
- Seas
- Below 1 metre.
- Swell
- Southwesterly below 1 metre.
- Weather
- Mostly sunny. The chance of a thunderstorm in the morning.
Wednesday 20 January
- Winds
- Southwesterly 10 to 15 knots, increasing to around 20 knots in the afternoon. Winds turning southerly 15 to 20 knots during the evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
- Swell
- Southwesterly around 1 metre.
- Weather
- Partly cloudy.
Thursday 21 January
- Winds
- Southeasterly 10 to 15 knots, increasing to southwesterly around 20 knots in the afternoon. Winds turning southerly 15 to 20 knots during the evening.
- Seas
- 1 to 1.5 metres.
- Swell
- Southwesterly around 1 metre, increasing to 1 to 1.5 metres during the afternoon.
- Weather
- Partly cloudy.
Please be awareWind and wave forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms. Maximum waves can be twice the forecast height.
- 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 Monday.
Product IDW11400