Western Australia Surf Forecast by Craig Brokensha (issued Wednesday 14th November)

Best Days: Early Saturday morning protected spots, Wednesday next week onwards

Recap

Average waves across the South West yesterday though surfable early, tiny to the north, but our good new increase in swell with offshore winds has come in nicely today.

Margs was great with clean 4-5ft surf, 2ft in Mandurah and even Perth picked up a bit more size then anticipated with 1-2ft sets.

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This week and weekend (Nov 15 - 18)

Winds look a little average for tomorrow now as today's swell eases. We'll see less than ideal S/SE breezes across the South West, SE further north as a surface trough drifts east, bringing S/SW winds into the afternoon.

Margs is due to ease from 3-4ft or so, 1-1.5ft in Mandurah and 1ft+ in Perth.

Friday will be cleaner as winds tend back to the SE-E/SE but with a low point in swell.

Our new swells for the weekend are still on track, with the first being mid-period and the second stronger groundswell.

These swells will be generated by back to back polar storms, the first currently positioned east of Heard Island, producing a fetch of strong to gale-force W/SW winds in our south-western swell window.

The strength of this first system is a little better and we should now see 4-5ft waves across the South West magnets Saturday morning, 2ft in Mandurah and 1-2ft in Perth.

The secondary stronger system has developed west of Heard Island with a fetch of gale to severe-gale W/SW winds moving on a similar track to the system before it.

A longer-period SW groundswell should be generated, filling in Sunday and reaching 5-6ft across the South West swell magnets, 2ft in Mandurah again and an inconsistent 1-2ft in Perth.

Winds are an issue again with an early S/SE breeze across the South West Saturday morning, variable to the north, ahead of SW change as a mid-latitude low starts to form south-east of us.

This will unfortunately leave lingering W'ly winds across the South West with the better groundswell on Sunday, SW to the north and possibly variable early.

Winds will improve a touch and tend more S'ly Monday as the swell eases, S/SE on Tuesday along with a new mid-period SW swell.

It looks like winds will slowly improve into the end of the week as the surf drops away, but we'll have another look at this Friday.