Indonesia & Timor-Leste 2026 Harvest Update 

This article at a glance:  

• Volumes are expected to be lower than in previous years across both origins, while quality remains strong. 
• Indonesia's increasingly spread-out flowering and harvest pattern has become the new normal, making production forecasts more challenging. 
• Sucafina's new milling facility and expanding IMPACT program in Aceh are strengthening quality, traceability and farmer support in Indonesia. 

Indonesia 

This year’s Robusta Indonesia harvest is around 80% complete, with more than 60% of the crop already commercialized. For Arabica, we are at about 70% complete with mainly Sumatra remaining to close out harvest during Q4 and continue into Q1 2027.  

Overall production is expected to be 20 to 40% smaller than last season. Excessive rainfall during the flowering period has reduced cherry development and resulted in a longer, more uneven ripening cycle, extending harvests across regions rather than concentrating them into a visible peak.  

Harvest timing in the country has always varied significantly from one Indonesian growing area to another. While some areas are expected to begin harvesting in late August or early September, others are unlikely to reach peak harvest until February as flowering is only just beginning. In Sumatra, the Arabica harvest peaked between April and May and is expected to build again from September through December. Arabica in Java, Flores and Sulawesi is primarily harvested from April to August. Robusta follows a similar regional pattern, with harvests running from March to August in Sumatra, June to September in Java and July to October in Flores. 

"Cherries are always ripening in Indonesia" says Daniel. However, this year’s weather has led to inconsistent flowering and a staggered harvest. He continues, “This spread-out flowering and harvest pattern seems to be a new normal, making overall production much more difficult to predict.”  

Despite lower volumes, cup quality is expected to remain strong, supported by cool, dry weather during the drying season. Continued investment in processing infrastructure, including our newly opened wet hulling and dry mill in Takengon, Aceh Tengah, is also helping safeguard both quality and availability. Located closer to farmers and capable of processing up to 500 metric tons per month, the mill reduces transit time, helps preserve coffee quality and enables faster feedback between our team and producers. 

Sucafina also continues to expand its sustainability efforts in Indonesia. The Takengon mill now serves as a hub for partnering with around 800 farmers under our IMPACT responsible sourcing program. A second IMPACT-verified supply chain is being established in Aceh for coffees harvested from October onward, responding to growing demand for verified coffee. As IMPACT expands, more farmers will gain access to markets for responsibly grown/verified coffee. Involvement with IMPACT will also help farming communities in the region gain training and support in regenerative agriculture through IMPACT Beyond projects.  

Timor-Leste  

Timor-Leste's volume is anticipated to be 40-50% smaller than last year. According to Kyle, inconsistent cherry flow has made overall production difficult to predict. One major reason for this is the consistently high price of Indonesian Arabica, which has increased cross-border demand and led to a significant volume of Timorese coffee being sold into Indonesia. 

Competition for parchment has intensified, driving up both parchment and cherry prices. As a result, many farmers who traditionally sold fresh cherries are now processing them into parchment to capitalize on its higher market value. Despite the tighter supply, growing conditions have been favorable and quality is expected to remain strong. 

The arabica harvest began in early June and will continue through the end of August, with peak arrivals expected in July. The ideal shipping window runs from August to November. Robusta harvesting begins in July and continues through October, with shipments expected from October onward. 

Compared to previous seasons, the most notable development is the significant increase in cross-border trade into Indonesia, which has reshaped buying dynamics and intensified competition for available coffee throughout the harvest. 

If you’re planning to book coffees from Indonesia or Timor Leste, it’s a good time to check in with your trader. They can help you find the right options and highlight what to keep an eye on as the season progresses.