View the current warnings for Western Australia
Forecast issued at 7:01 am WST on Tuesday 19 May 2026.
Weather Situation
A ridge lies over the region and will persist through the much of the week.
Forecast for Tuesday until midnight
- Winds
- Variable below 10 knots.
- Seas
- Below 0.5 metres.
- Swell
- Southwesterly 1 to 1.5 metres.
- Weather
- Sunny.
Wednesday 20 May
- Winds
- Northeasterly 10 to 15 knots tending northerly in the early morning then becoming variable below 10 knots in the middle of the day.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 1 to 1.5 metres, increasing to 1 to 2 metres during the morning.
- Weather
- Mostly sunny.
Thursday 21 May
- Winds
- Variable below 10 knots becoming southwesterly 10 to 15 knots during the day then tending southerly 15 to 20 knots during the afternoon.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the evening.
- 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 in the afternoon and evening.
Friday 22 May
- Winds
- South to southeasterly 15 to 20 knots.
- Seas
- 1 to 1.5 metres, decreasing to 1 metre during the morning.
- Swell
- Southwesterly 1 to 2 metres, decreasing to 1 to 1.5 metres during the afternoon.
- Weather
- Cloud clearing.
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 1:01 pm WST Tuesday.
Product IDW11400