Western Australia Surf Forecast by Craig Brokensha (issued Wednesday 30th May)

Best Days: Perth and Mandurah Friday morning, all locations Saturday and Sunday and early Monday

Recap

Good waves across Perth and Mandurah the last two days with clean 2-3ft sets yesterday, back to the 2ft range this morning.

Margs offered a window of OK conditions at dawn yesterday with 6ft+ of swell, more workable this morning with a longer lived window of N/NE winds.

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This week and weekend (May 31 – Jun 3)

Our run of workable morning winds comes to an end tomorrow, with an approaching front bringing gusty NW tending W/NW winds and strong to gale-force W/SW winds into the afternoon (across the South West).

This will generate building levels of windswell across all locations, with a stronger groundswell in the mix for Friday.

The groundswell will be produced as a tight low forms in our southern swell window this afternoon, generating a fetch of severe-gale to storm-force winds before dipping south and away from us.

The mix of swells should come in at 6ft to possibly 8ft across the South West, 2-3ft around Mandurah and 2ft in Perth. Winds are looking best around Mandurah and Perth with light E'ly offshores, while our possible variable winds across the South West are still on the cards, but it's hard to put confidence on.

Keep an eye on local winds observations Friday morning to decide it's worth a surf.

Some good new reinforcing SW swell energy is expected through the weekend, building Saturday and easing Sunday, produced by a healthy fetch of elongated W/SW gales moving slowly towards us over the coming days.

A kick to 6-8ft is expected across the South West magnets Saturday afternoon, easing from a similar size Sunday morning, with 2-3ft surf in Mandurah and 2ft waves around Perth.

Conditions are looking better for the South West with a light morning E/NE offshore Saturday and weak onshore breezes into the afternoon, E/NE tending variable Sunday.

The easing trend into Monday will be slowed by a reinforcing pulse of SW swell generated on the tail of the storm producing the weekend's swell, but winds will start to freshen from the NW with an approaching mid-latitude storm, but more on this Friday.