IDW11140
Australian Government Bureau of Meteorology
Western Australia
Issued at 7:01 am WST on Wednesday 20 May 2026
for the period until midnight WST Friday 22 May 2026.
Please be aware
Wind 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.
A ridge lies over southern WA and gradually moves east during today. A weak cold front moves over southwest parts during Thursday, before another ridge develops over the southwest during Friday.
Winds: West to northwesterly 10 to 15 knots, reaching up to 20 knots offshore east of Cape Leeuwin during the morning and early afternoon. Winds tending west to southwesterly in the early afternoon then becoming variable below 10 knots in the late afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: West to southwesterly 2 metres inshore, increasing to 2.5 to 3 metres offshore. Weather: Partly cloudy. 60% chance of showers.
Winds: Variable about 10 knots becoming south to southwesterly 15 to 20 knots before dawn. Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2.5 to 3 metres. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and early afternoon.
Winds: Southerly 15 to 20 knots decreasing to about 10 knots during the afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: Southwesterly 2.5 to 3 metres. Weather: Cloudy. 50% chance of showers.
Winds: Northwesterly 15 to 20 knots tending westerly 10 to 15 knots in the early afternoon then becoming variable about 10 knots in the late afternoon. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore. Weather: Partly cloudy. 50% chance of showers offshore west of Albany, near zero chance elsewhere.
Winds: Variable about 10 knots becoming west to northwesterly 10 to 15 knots in the early morning then turning south to southwesterly 15 to 20 knots during the morning. Winds reaching up to 25 knots offshore east of Albany in the evening. Seas: Below 1 metre, increasing to 1 to 1.5 metres during the morning. Swell: Southwesterly 2 to 3 metres. Weather: Cloudy. 95% chance of showers. The chance of a thunderstorm in the afternoon and early evening.
Winds: Southwesterly 15 to 20 knots turning southerly during the morning. Seas: 1 to 1.5 metres. Swell: Southwesterly 2 to 3 metres. Weather: Partly cloudy. 70% chance of showers.
Winds: Northerly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing below 1 metre during the afternoon. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Mostly sunny.
Winds: Northerly 15 to 20 knots shifting south to southwesterly during the afternoon and evening. Winds reaching up to 25 knots west of Esperance in the evening. Seas: Around 1 metre, increasing to 1 to 1.5 metres west of Hopetoun by early evening. Swell: Southwesterly 1.5 to 2.5 metres. Weather: Partly cloudy. 50% chance of showers in the late afternoon and evening. The chance of a thunderstorm west of Esperance in the late afternoon and evening.
Winds: South to southwesterly 15 to 20 knots. Seas: 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning. Swell: Southwesterly 2 to 2.5 metres. Weather: Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the morning.
Winds: Northerly 10 to 15 knots turning northeasterly 15 to 20 knots in the middle of the day. Seas: Around 1 metre. Swell: Southwesterly 1.5 to 2 metres. Weather: Sunny.
Winds: North to northeasterly 15 to 20 knots. Seas: 1 to 1.5 metres, decreasing to 1 metre around midday. Swell: Southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres east of Eyre. Weather: Mostly sunny.
Winds: North to northeasterly 15 to 20 knots shifting southwesterly 15 to 25 knots during the morning. Seas: 1 to 1.5 metres, increasing to 1 to 2 metres west of Eyre during the morning. Swell: Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the morning. Weather: Partly cloudy. 80% chance of showers. The chance of a thunderstorm.
The next routine forecast will be issued at 1:01 pm WST Wednesday.
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