View the current warnings for Western Australia
Forecast issued at 4:00 pm WST on Saturday 19 July 2025.
Weather Situation
A ridge located nearby is moving east. A strong cold front will cross the Local Waters later Sunday afternoon or early evening. A new ridge will develop to the north of the Local Waters on Monday, maintaining a westerly flow across the southwest coast. Another cold front will move through southwest WA on Wednesday.
Forecast for Saturday until midnight
- Winds
- Northwesterly about 10 knots increasing to 15 to 20 knots in the evening.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Partly cloudy.
Sunday 20 July
Gale Warning for Sunday for Perth Local Waters
- Winds
- North to northwesterly 15 to 25 knots, reaching up to 35 knots during the afternoon. Winds shifting south to southwesterly 25 to 30 knots in the late afternoon.
- Seas
- 1 to 2 metres, increasing to 2 to 3 metres during the morning.
- Swell
- West to southwesterly 2 to 3 metres.
- Weather
- Cloudy. Near 100% chance of rain. The chance of a thunderstorm in the afternoon and early evening, possibly severe.
- Caution
- Large and powerful surf conditions are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Monday 21 July
- Winds
- Southerly 20 to 30 knots tending south to southeasterly 15 to 25 knots before dawn then turning southwesterly 10 to 15 knots in the late morning.
- Seas
- 2 to 3 metres, decreasing to 1 to 1.5 metres during the morning.
- Swell
- Southwesterly 2 to 3 metres.
- Weather
- Cloudy. 90% chance of showers.
- Caution
- Large and powerful surf conditions in the morning are expected to be hazardous for coastal activities such as swimming, surfing and rock fishing.
Tuesday 22 July
- Winds
- Southwesterly 10 to 15 knots turning westerly during the morning.
- Seas
- Below 1 metre.
- Swell
- Southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
- Weather
- Partly cloudy. 90% chance of showers.
Wednesday 23 July
- Winds
- Westerly 15 to 25 knots turning southwesterly 20 to 25 knots during the afternoon.
- Seas
- 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
- Swell
- Southwesterly 1 to 1.5 metres, increasing to 1.5 to 2 metres during the afternoon.
- Weather
- Cloudy. 95% chance of showers. The chance of a thunderstorm.
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 4:00 am WST Sunday.
Product IDW11400