Southern Tasmania Surf Forecast by Craig Brokensha (issued Monday 17th September)

Best Days: Tuesday, Wednesday morning, Friday afternoon, Saturday morning, early Sunday and Monday mornings

Recap

Good pulses of W/SW groundswell over the weekend and into this morning, either side of the 3ft range with favourable winds.

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This week and weekend (Sep 18 - 23)

We should be seeing the surf easing across the region into this afternoon, with a low point early tomorrow back to 1ft to maybe 2ft,

Into the afternoon though a new long-period W'ly groundswell should start to show, generated by a vigorous low that developed in the Heard Island region late last week.

This low pushed east while generating a significant fetch of severe-gale to storm-force W'ly winds in our medium-range western swell window before weakening and projecting towards the Bight today.

While not ideally located in our swell window, the long-period nature and size of the swell should see good sets pushing into Clifton, building later tomorrow afternoon and reaching at least 3ft by dark, if not a touch bigger, easing from a similar size on Wednesday morning.

Winds will be good all day tomorrow with a fresh N/NW'ly, tending W/NW into the afternoon and then NW Wednesday morning ahead of a W/SW change late morning.

Thursday will be clean but smaller and easing from 1-2ft, with the next pulse of swell due later Friday.

This will be produced by a strong and powerful low forming late in our swell window, generating a fetch of severe-gale to storm-force winds south-west of us on Wednesday evening and Thursday morning.

A strong long-period SW groundswell will fill in Friday and kick to 3ft under a NW offshore.

Following this we'll see plenty more favourable polar frontal activity developing in our swell window, through the weekend and early next week as a strong node of the Long Wave Trough develops and stalls across the Tasman Sea.

Back to back to back groundswells are on the cards for the region, possibly larger next Tuesday, but more on this Wednesday.