View the current warnings for Western Australia
Forecast issued at 4:00 pm WST on Saturday 19 April 2025.
Weather Situation
A strong high pressure system will move through the Southern Ocean during the next few days as a new trough starts to deepen offshore from the west coast by Sunday. The trough will move inland during Wednesday.
Forecast for Saturday until midnight
- Winds
- South to southeasterly 15 to 25 knots.
- Seas
- 1 to 1.5 metres, increasing to 1 to 2 metres offshore south of Denham.
- Swell
- Southerly 1 to 1.5 metres inshore, increasing to 2 to 2.5 metres offshore.
- Weather
- Clear.
Sunday 20 April
- Winds
- East to southeasterly 15 to 20 knots tending south to southeasterly in the early afternoon.
- Seas
- 1 to 2 metres, decreasing below 1.5 metres around midday.
- Swell
- Southerly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
- Weather
- Sunny.
Monday 21 April
- Winds
- South to southeasterly 10 to 15 knots becoming variable about 10 knots before dawn.
- Seas
- Around 1 metre.
- Swell
- Southerly 1 to 2 metres, tending southwesterly 1.5 to 2 metres during the morning.
- Weather
- Mostly sunny.
Tuesday 22 April
- Winds
- Variable below 10 knots becoming west to southwesterly 10 to 15 knots during the afternoon.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 1.5 to 2.5 metres.
- 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 4:00 am WST Sunday.
Product IDW11250