View the current warnings for Western Australia
Forecast issued at 4:00 am WST on Thursday 18 September 2025.
Weather Situation
A series of weak fronts brush the southern coast until Friday. A ridge of high pressure is developing to the north, slips south of the Local Waters on Saturday, and will dominate the weather pattern into next week.
Forecast for Thursday until midnight
- Winds
- South to southwesterly about 10 knots.
- Weather
- Partly cloudy.
Friday 19 September
- Winds
- South to southeasterly below 10 knots becoming easterly in the early morning then becoming south to southwesterly in the morning.
- Weather
- Partly cloudy.
Saturday 20 September
- Winds
- Variable below 10 knots.
- Weather
- Mostly sunny.
Sunday 21 September
- Winds
- East to southeasterly below 10 knots.
- Weather
- Sunny.
Please be awareWind forecasts are averages. Wind gusts can be 40 per cent stronger than the forecast, and stronger still in squalls and thunderstorms.
- 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 Thursday.
Product IDW11410