Perth Local Waters Forecast: Two Rocks to Dawesville, inshore from Rottnest Island

View the current warnings for Western Australia

Forecast issued at 10:00 pm WST on Friday 6 December 2024.

Weather Situation

A ridge should persist south of WA whilst a low pressure trough becomes established near the lower west coast over the weekend.

Forecast for Friday until midnight

Strong Wind Warning for Friday for Perth Local Waters

Winds
South to southeasterly 15 to 20 knots, reaching 20 to 30 knots offshore.
Seas
2 to 2.5 metres.
Swell
Southwesterly below 1 metre.
Weather
Clear.

Saturday 7 December

Strong Wind Warning for Saturday for Perth Local Waters

Winds
Southeasterly 15 to 25 knots, reaching up to 30 knots offshore early in the morning. Winds tending east to southeasterly 15 to 20 knots during the morning, becoming southerly in the early afternoon and reaching 20 to 30 knots by the evening. Winds tending southeasterly 15 to 20 knots late evening.
Seas
1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the morning, then increasing to 1.5 to 2 metres during the afternoon.
Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre by early evening.
Weather
Sunny.

Sunday 8 December

Winds
Southeasterly 15 to 25 knots turning south to southwesterly 20 to 30 knots in the late morning and early afternoon then becoming southerly 20 to 25 knots in the late evening.
Seas
1 to 2 metres, increasing to 2 to 3 metres during the afternoon.
Swell
Southwesterly below 1 metre.
Weather
Cloud clearing.

Monday 9 December

Winds
Southerly 20 to 30 knots tending southeasterly 15 to 20 knots during the evening.
Seas
1.5 to 2.5 metres.
Swell
Southwesterly around 1 metre, increasing to 1 to 2 metres during the afternoon or evening.
Weather
Mostly sunny.

Tuesday 10 December

Winds
Southeasterly 15 to 20 knots.
Seas
1 to 2 metres.
Swell
West to southwesterly 1.5 to 2 metres, decreasing to 1 to 1.5 metres during the evening.
Weather
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.

The next routine forecast will be issued at 4:00 am WST Saturday.

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