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

View the current warnings for Western Australia

Forecast issued at 4:00 am WST on Thursday 28 October 2021.

Weather Situation

A ridge strengthens over the southern parts of the State with a high moving into the Bight on Friday. A new trough deepens near the west coast on Sunday.

Forecast for Thursday until midnight

Winds
South to southeasterly 10 to 15 knots, increasing to 15 to 20 knots in the late afternoon.
Seas
Around 1 metre.
Swell
Southwesterly 1.5 to 2.5 metres, decreasing to 1 to 1.5 metres during the afternoon.
Weather
Cloudy.

Friday 29 October

Winds
Southeasterly 10 to 15 knots, easing to variable around 10 knots for period in the late morning before increasing southerly 10 to 15 knots in the afternoon. Winds reaching 15 to 20 knots north of Rottnest in the late afternoon.
Seas
Around 1 metre.
Swell
Southwesterly 1 to 1.5 metres, decreasing to around 1 metre during the morning.
Weather
Partly cloudy.

Saturday 30 October

Winds
Easterly 10 to 15 knots becoming variable below 10 knots during the morning then becoming southerly 10 to 15 knots during the afternoon.
Seas
Around 1 metre.
Swell
Southwesterly around 1 metre.
Weather
Sunny.

Sunday 31 October

Winds
Southerly 10 to 15 knots turning southwesterly during the morning.
Seas
Around 1 metre.
Swell
Southwesterly around 1 metre, increasing to 1 to 2 metres during the afternoon.
Weather
Partly cloudy.

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 pm WST Thursday.

Product IDW11400