Best time to surf in Indonesia
February to December for intermediate surfers, February to May, July, November to December for beginners, and June for the biggest waves. Month by month below, from 2 years of hourly wave and wind model data at 149 spots. Updated 3 November 2026.
| Month | Good days (intermediate) | Beginner days | Good days (advanced) | Typical waves | Water | Best region |
|---|---|---|---|---|---|---|
| January | 5 | 11 | 5 | 1–1.6 m | 30 °C | West Java |
| February | 7 | 14 | 4 | 1–1.4 m | 29 °C | West Java |
| March | 7 | 12 | 5 | 1–1.4 m | 30 °C | West Java |
| April | 13 | 16 | 9 | 1–1.4 m | 30 °C | East Java |
| May | 14 | 16 | 11 | 1–1.4 m | 30 °C | East Java |
| June | 15 | 11 | 16 | 1.1–1.7 m | 29 °C | Lampung (Sumatra) |
| July | 13 | 12 | 13 | 1–1.6 m | 28 °C | Lampung (Sumatra) |
| August | 12 | 9 | 15 | 1.1–1.7 m | 28 °C | Lampung (Sumatra) |
| September | 13 | 11 | 15 | 1.1–1.7 m | 28 °C | Bali |
| October | 10 | 12 | 10 | 1–1.6 m | 29 °C | East Java |
| November | 10 | 16 | 6 | 1–1.4 m | 30 °C | East Java |
| December | 6 | 12 | 4 | 1–1.4 m | 30 °C | West Java |
Days per month at the best third of the spots for each level, rated the way the app rates them. Model data, not observations. Method.
By region
| Region | Intermediate | Beginners | Water |
|---|---|---|---|
| Bali | April to November | April to May, July, October to November | 28–30 °C |
| Lombok | February to December | November to May | 27–30 °C |
| Sumbawa | April to December | April to June, September, November | 27–30 °C |
| East Java | February to December | February, April to June, November | 26–30 °C |
| West Java | all year | February to May, November to December | 27–30 °C |
| Nias | April to October, December | April to July, October, January to February | 30–30 °C |
| Mentawai Islands | April to October | April to July, September | 29–31 °C |
| Lampung (Sumatra) | April to October | April to May, July, October | 28–30 °C |
| Aceh (Sumatra) | April to June, August to December | December to March | 30–31 °C |
| Sumba | April to December | April, November | 27–30 °C |
| Rote (East Nusa Tenggara) | June, August to September | few beginner days | 27–30 °C |
| West Java (Banten) | November to June | February to March, November | 29–30 °C |
Questions
What is the best month to surf in Indonesia?
June, with about 15 good days for an intermediate surfer at the best spots. The best run of months is February to December.
When is the best time to surf in Indonesia for beginners?
February to May, July, November to December, when the beginner spots have the most days of small, clean waves.
When are the biggest waves in Indonesia?
June has the biggest typical surf (about 1.1–1.7 m at the spots we follow). That is the season for experienced surfers.
Can you surf in Indonesia in summer?
Yes: June to August still bring about 13 good days a month for intermediate surfers.
How warm is the water in Indonesia?
About 28 °C in September (Boardshorts / rash vest) to 30 °C in April (Boardshorts / rash vest).
More: all surf spots in Indonesia · best spots for beginners · this week's forecast · wetsuit by month · why the swell period matters.