View the current warnings for Western Australia
Forecast issued at 1:01 am WST on Monday 15 December 2025.
Weather Situation
A trough is deepening offshore from the west coast associated with a low pressure system, as a high pressure system strengthens in the Bight. The high will move east throughout today, allowing the trough to return to the west coast. The trough will move inland ahead of a cold front brushing the south coast by Tuesday. A new ridge will build across the southwest coast from Wednesday.
Forecast for Monday until midnight
- Winds
- South to southwesterly about 10 knots increasing to 10 to 15 knots in the morning. Winds reaching up to 20 knots about Shark Bay during the afternoon and evening.
- Seas
- Below 1 metre, decreasing below 0.5 metres during the morning, then increasing to around 1 metre around midday.
- Swell
- Southwesterly 1 to 1.5 metres.
- Weather
- Partly cloudy.
Tuesday 16 December
- Winds
- South to southwesterly 15 to 25 knots.
- Seas
- Around 1 metre, increasing to 1 to 2 metres around midday.
- Swell
- Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Partly cloudy.
Wednesday 17 December
- Winds
- Southerly 15 to 25 knots increasing to 20 to 30 knots during the day.
- Seas
- 1.5 to 2.5 metres.
- Swell
- Southwesterly 1 to 1.5 metres inshore, increasing to 1 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 7:01 am WST Monday.
Product IDW11250