View the current warnings for Western Australia
Forecast issued at 4:00 am WST on Sunday 18 April 2021.
Weather Situation
A high pressure system in the Bight will move slowly eastwards during Sunday ahead of weak cold front expected to brush the south coast during Monday. A new ridge of high pressure will develop along the south coast during Tuesday in the wake of the front.
Forecast for Sunday until midnight
- Winds
- East to southeasterly 10 to 15 knots becoming southeast to southwesterly about 10 knots around midday then increasing to 15 to 20 knots in the late afternoon.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres inshore by early evening.
- Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- Weather
- Sunny.
Monday 19 April
- Winds
- South to southwesterly 15 to 20 knots easing to 10 to 15 knots for a period late morning to early afternoon. Winds turning southeasterly in the evening.
- Seas
- 1 to 1.5 metres, decreasing below 1 metre during the morning, then increasing to 1 to 1.5 metres by early evening.
- Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2.5 metres offshore.
- Weather
- Partly cloudy.
Tuesday 20 April
- Winds
- Southeasterly 10 to 15 knots.
- Seas
- Around 1 metre.
- Swell
- Southwesterly 1 to 2 metres inshore, increasing to 2 to 3 metres offshore.
- 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.
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 pm WST Sunday.
Product IDW11290