View the current warnings for Western Australia
Forecast updated at 8:15 am WST on Saturday 8 August 2026.
Weather Situation
A cold front has moved through the local waters, leaving a vigorous southwesterly flow in it's wake. Winds will ease tonight and on Sunday under the influence of a high pressure ridge to the north. Another cold front arrives on Monday.
Forecast for Saturday until midnight
Gale Warning for Saturday for Perth Local Waters
- Winds
- Southwesterly 25 to 30 knots tending southerly 20 to 30 knots in the late afternoon. Winds may reach up to 35 knots at times.
- Seas
- 2.5 to 3 metres.
- Swell
- Southwesterly 3 to 5 metres.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm in the morning and early afternoon. Possible small hail in the morning and afternoon.
- Caution
- Large and powerful surf conditions from this morning are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Sunday 9 August
- Winds
- Southeast to southwesterly 15 to 20 knots becoming variable about 10 knots in the morning then becoming westerly 10 to 15 knots in the evening.
- Seas
- 1 to 2 metres, decreasing below 1 metre during the morning.
- Swell
- Southwesterly 3 to 5 metres, decreasing to 2.5 to 3 metres by early evening.
- Weather
- Cloudy. 90% chance of showers.
- Caution
- Large and powerful surf conditions during the morning are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Monday 10 August
- Winds
- Westerly 15 to 20 knots increasing to 20 to 30 knots during the morning then turning south to southwesterly during the day.
- Seas
- Below 1 metre, increasing to 2 to 3 metres during the morning.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Cloudy. Near 100% chance of showers. The chance of a thunderstorm in the morning.
Tuesday 11 August
- Winds
- South to southeasterly 15 to 20 knots becoming east to southeasterly about 10 knots during the morning then becoming south to southwesterly during the day.
- Seas
- 1 to 2 metres, decreasing below 1 metre during the morning.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy. 60% chance of showers.
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 1:01 pm WST Saturday.
Product IDW11400