View the current warnings for Western Australia
Forecast issued at 1:01 pm WST on Monday 16 March 2026.
Weather Situation
A slow moving ridge persists south of the state, with a deepening west coast trough pushing offshore on Tuesday. A cold front passes to the south of the Local Waters on Thursday.
Forecast for Monday until midnight
- Winds
- South to southwesterly 15 to 20 knots turning southeasterly 10 to 15 knots in the late evening.
- Seas
- Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
- Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
- Weather
- Sunny.
Tuesday 17 March
- Winds
- Easterly 10 to 15 knots tending northeasterly in the morning then tending southeast to southwesterly in the late afternoon.
- Seas
- Around 1 metre.
- Swell
- Southwesterly around 1 metre.
- Weather
- Sunny.
Wednesday 18 March
- Winds
- Variable about 10 knots becoming northeasterly 10 to 15 knots in the early morning then tending southeast to southwesterly in the late afternoon.
- Seas
- Below 1 metre.
- Swell
- Southwesterly around 1 metre.
- Weather
- Sunny.
Thursday 19 March
- Winds
- Northeast to southeasterly 10 to 15 knots tending northwest to northeasterly during the morning then becoming variable below 10 knots during the afternoon.
- Seas
- Below 1 metre.
- Swell
- Southwesterly around 1 metre.
- Weather
- Sunny.
Friday 20 March
- Winds
- Variable below 10 knots becoming southwesterly 10 to 15 knots during the day then tending southerly during the evening.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the afternoon.
- 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.
- 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 pm WST Monday.
Product IDW11400