Surf Calendar
Where to surf Indonesia,
any month of the year.
Explore how Indonesia's waves shift across the year, then narrow the map by month and surf level.
Typical seasonal patterns for September — not a live forecast.
Currently exploringSeptember · All levels
Best destinations in September
Based on historical data, swell patterns, wind conditions, and local knowledge.
Why these destinations rise in September
Why September works
September usually holds dry-season quality while crowds begin to ease. Swell remains solid and mornings stay clean — a favorite shoulder for many traveling surfers.
- Consistent swells
Southern swells remain consistent into early autumn.
- Improving winds
Trades still favor clean morning faces on south exposures.
- Better weather
Dry weather generally continues across southern islands.
- Manageable crowds
Slightly quieter than July–August at many destinations.
Recommended spots this month
These spots are typically working well in September.
Compare across the year
Yearly surf overview
September is highlighted below. Compare the rest of the year when your travel dates are flexible.
- Excellent
- Very Good
- Good
- Fair
- Poor
Select a destination name to open its guide.Swipe sideways to compare months.
| Destination | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep (selected) | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bali | January: Fair | February: Fair | March: Good | April: Very Good | May: Excellent | June: Excellent | July: Excellent | August: Excellent | September: Very Good | October: Very Good | November: Fair | December: Fair |
| Java | January: Fair | February: Fair | March: Good | April: Very Good | May: Excellent | June: Excellent | July: Excellent | August: Excellent | September: Very Good | October: Very Good | November: Fair | December: Fair |
| Lombok | January: Fair | February: Fair | March: Good | April: Very Good | May: Excellent | June: Excellent | July: Excellent | August: Excellent | September: Very Good | October: Very Good | November: Fair | December: Fair |
| Mentawai | January: Excellent | February: Excellent | March: Very Good | April: Good | May: Fair | June: Fair | July: Fair | August: Fair | September: Good | October: Very Good | November: Excellent | December: Excellent |
| Nias | January: Excellent | February: Excellent | March: Very Good | April: Good | May: Fair | June: Fair | July: Fair | August: Fair | September: Good | October: Very Good | November: Excellent | December: Excellent |
| Sumba | January: Fair | February: Fair | March: Good | April: Very Good | May: Excellent | June: Excellent | July: Excellent | August: Excellent | September: Very Good | October: Very Good | November: Fair | December: Fair |
| Sumbawa | January: Fair | February: Fair | March: Good | April: Very Good | May: Excellent | June: Excellent | July: Excellent | August: Excellent | September: Very Good | October: Very Good | November: Fair | December: Fair |
Planning a surf trip?
Compare destinations, seasons, and practical details before setting your itinerary.
For day-to-day swell, wind, and tide, open a spot guide — live models live there, not on this calendar.