Small S swell tomorrow followed by swell from the north-eastern quadrant

Craig Brokensha picture
Craig Brokensha (Craig)

Eastern Tasmania Surf Forecast by Craig Brokensha (issued Friday 12th April)

Best Days: Saturday morning south swell magnets, later Wednesday northern corners, Thursday

Recap

A small fun S'ly swell yesterday, while there should have been some swell still in the tank this morning.

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This weekend and next week (Apr 13 - 19)

Another small pulse of S'ly swell is due tomorrow morning, generated by a strong fetch of SW winds on the polar shelf Wednesday evening and yesterday morning.

Satellite observations show winds were as forecast if not a little stronger and we'll hopefully see 2-3ft of S'ly groundswell tomorrow morning with a W'ly offshore ahead of a midday S'ly change.

Sunday will be poor with no swell and onshore S/SE tending SE winds as a ridge of high pressure moves in from the south-west behind Saturday's change.

The north-east fetch developing down our coast looks a touch delayed now, with no real strength in it due until mid week.

Ahead of this, small weak levels of E/NE swell are due to build to 1-2ft Monday afternoon and persist around 2ft on Tuesday but with onshore NE winds on the former, more N/NE on the later.

Through Wednesday we'll see a more noticeable increase in N/NE swell as N/NE winds strengthen down the coast, kicking up an increase in windswell from 2-3ft to a more consistent 3ft later in the day.

Winds will become strongest just ahead of a strengthening cold front early Thursday morning, with the N/NE swell peaking around 4ft across north-east magnets though easing rapidly behind a W/NW change.

The models diverge on the timing of the change and the eventual strength of the fetch down our coast and hence the size of the N/NE swell, as well as developments on the northern flank of the high, generating our E/NE trade-swell.

We'll have to go over this again on Monday but as the N/NE windswell eases we should see fun levels of E/NE trade-swell to replace it through Friday and the weekend. EC has the swell becoming large as a tropical low forms then retro-grades south-west towards us but GFS is divergent.

More on all of this on Monday. Have a great weekend!