View the current warnings for Western Australia
Forecast issued at 7:01 am WST on Monday 11 May 2026.
Weather Situation
A high pressure system will move slowly eastwards across the Great Australian Bight during the next few days. A cold front will approach the southwest coast on Wednesday.
Forecast for Monday until midnight
- Winds
- Northeasterly 10 to 15 knots, reaching up to 20 knots offshore in the late morning. Winds becoming variable about 10 knots in the early afternoon.
- Seas
- Around 1 metre, decreasing below 0.5 metres by early evening.
- Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore south of Denham.
- Weather
- Sunny.
Tuesday 12 May
- Winds
- Southeasterly 10 to 15 knots tending northeast to southeasterly in the morning then tending south to southeasterly in the late afternoon.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Sunny.
Wednesday 13 May
- Winds
- Southeasterly 10 to 15 knots becoming variable about 10 knots during the morning then becoming southerly 10 to 15 knots during the afternoon.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 2 to 3 metres inshore, increasing to 3 to 4 metres offshore south of Denham during the morning.
- Weather
- Mostly sunny.
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.
Nearby Coastal Waters
- See detailed wind and wave forecasts on MetEye
- 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 1:01 pm WST Monday.
Product IDW11250