Nias, Mentawai, South Sumatra forecast by Craig Brokensha (issued Tuesday 11th August)

Best Days: Exposed breaks this week through early next week

This week and next week (Aug 7 – 14)

A mix of S/SE and S/SW groundswell should be breaking across the Mentawais today and the S/SW swell should ease back through tomorrow from an inconsistent 5-6ft across exposed breaks, becoming smaller into Thursday.

The S/SE swell from a broad and strong fetch of E/SE trades to our south will continue through Thursday and Friday offering 3-4ft+ sets across exposed breaks before easing off into the weekend.

For the rest of the period we're only due to see moderate and inconsistent levels of S/SW groundswell as the storm track remains unfavourable for our region and focussed towards WA.

Exposed breaks are due to hover between 3-5ft for the most part and with variable winds through this week and the weekend, increasing from the SE mid-next week.

Longer term we may see some stronger frontal activity in our south-western swell window over the weekend and into early the week of the 24th, generating some larger swell for the end of the month, but we'll review this Thursday.

16 day Mentawai forecast graph
16 day Nias forecast graph
16 day South Sumatra forecast graph