South Australian Forecast by Craig Brokensha (issued Friday 2nd December)

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Best Days: Both coasts tomorrow (best Mid), South Coast Sunday, early Sunday on the Mid, Mid Coast later Monday

Recap

Tiny waves on the Mid Coast yesterday, pulsing a little into the afternoon with the incoming tide and light sea breezes. The South Coast was also fun and around 2-3ft at magnets with a variable breeze through the morning.

Today onshore winds were blowing down South with a small swell, and the Mid was around 0.5-1ft with an early light offshore.

A good new W/SW groundswell should build to 2ft on the sets later today and with winds tending back to the S/SE.

This weekend (Dec 3 - 4)

Satellite observations are in regarding the slow moving and stalling mid-latitude low responsible for the weekend's swell and while it's come in as forecast with gale to severe-gale W/SW winds being aimed through our south-western swell window, a couple of stronger storm-force (50kt) barbs have been registered.

This is positive and there's been no real change to the size of the swell forecast for the weekend.

This afternoon's increase in W/SW swell is just the start of a larger increase in SW swell due through the weekend. The Mid Coast should come in around 2ft+ tomorrow on the favourable parts of the tide easing off from 2ft on the sets Sunday morning.

Middleton should build from 3-4ft Saturday morning, to 5ft on the sets into the late afternoon, easing from 3-4ft+ Sunday morning.

Conditions will be great on the Mid tomorrow with a E/SE offshore, tending variable ahead of possible afternoon sea breezes. The South Coast will be OK but not great with a moderate E/NE wind ahead of afternoon sea breezes.

Sunday is the pick down South with a N/NE offshore wind, tending N/NW late morning and persisting all afternoon ahead of a late onshore change.

Next week onwards (Dec 5 onwards)

Monday will be average across both coasts with a fresh SW-S/SW wind in the wake of Sunday evening's change, but the Mid Coast will see a new W/SW swell to 1-2ft.

Later in the day winds are due to swing back to the S/SE, so the late session should be fun.

A more variable breeze Tuesday morning should create cleaner conditions down South but the swell will be small and fading from 1-2ft. The Mid will also be easing from 1ft+.

Longer term, we should see a strong but acute W/SW groundswell late next week/Saturday but we'll have another look at this Monday. Have a great weekend!