No warnings for Western Australia
Forecast issued at 7:01 pm WST on Monday 21 September 2026.
Weather Situation
A ridge lies to the southeast, with a west coast trough developing today. The trough moves eastward on Tuesday as a cold front passes to the south of the State tonight and Tuesday, lingering over the Esperance and Eucla Coast. The next cold front reaches the southwest corner on Thursday.
Forecast for Monday until midnight
- Winds
- Southerly 10 to 15 knots, reaching up to 20 knots offshore north of Denham in the evening.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres offshore north of Denham.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Mostly clear.
Tuesday 22 September
- Winds
- Southerly 15 to 20 knots.
- Seas
- Around 1 metre, increasing to 1 to 1.5 metres about Shark Bay by early evening.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy.
Wednesday 23 September
- Winds
- Southerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- Swell
- Southwesterly 1.5 to 2.5 metres.
- Weather
- Partly cloudy.
Thursday 24 September
- Winds
- Southerly 15 to 20 knots.
- Seas
- 1 to 1.5 metres.
- Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1.5 to 2 metres offshore.
- 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 am WST Tuesday.
Product IDW11250