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

No warnings for Western Australia

Forecast issued at 4:00 pm WST on Friday 20 May 2022.

Weather Situation

A cold front approaches the metro area in the early afternoon on Sunday. A low pressure system approaches the southwest of the State late Monday night, crossing the coast on Tuesday.

Forecast for Friday until midnight

Winds
South to southeasterly about 10 knots.
Seas
Below 0.5 metres.
Swell
West to southwesterly around 1 metre, increasing to 1 to 1.5 metres by early evening.
Weather
Partly cloudy. The chance of a thunderstorm.

Saturday 21 May

Winds
East to southeasterly about 10 knots, tending variable below 10 knots in the early afternoon.
Seas
Below 1 metre.
Swell
West to southwesterly 1 to 1.5 metres, increasing to 1.5 to 2.5 metres during the morning.
Weather
Mostly sunny.

Sunday 22 May

Winds
North to northeasterly 15 to 20 knots turning northwesterly 25 to 30 knots in the early afternoon.
Seas
Below 1 metre, increasing to 1 to 2 metres during the morning, then increasing to 2 to 3 metres around midday.
Swell
West to southwesterly 1.5 to 2.5 metres, decreasing to 1.5 metres around midday, then increasing to 1.5 to 2.5 metres during the afternoon.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm.

Monday 23 May

Winds
Northwesterly 25 to 30 knots, reaching up to 35 knots for a period during the late morning.
Seas
2.5 to 4 metres.
Swell
Westerly 2 to 3 metres, increasing to 3 to 5 metres during the morning.
Weather
Cloudy. 95% chance of showers. The chance of a thunderstorm. Caution: Dangerous surf conditions hazardous for coastal activities such as swimming, surfing and rock fishing.

Tuesday 24 May

Winds
West to northwesterly 25 to 30 knots tending west to southwesterly 10 to 15 knots during the afternoon.
Seas
2 to 3 metres, decreasing to 1 to 1.5 metres during the afternoon.
Swell
Westerly 3 to 5 metres.
Weather
Partly cloudy. 95% chance of showers. The chance of a thunderstorm in the morning. Caution: Dangerous surf conditions hazardous for coastal activities such as swimming, surfing and rock fishing.

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.

Product IDW11400