Map
Cimaja
Today's Surf Conditions at Cimaja
Spot Conditions Map
Hover over the hourly chart columns to update the wind & swell direction overlays on the map.
Today's Surf & Wind Forecast (Hourly)
Loading forecast text...
Spot Overview & Description
Tucked away between the rivermouths of West Java, Cimaja is a raw and rugged reef break that delivers when the southwest swell lights up the Indian Ocean. Its rocky shelf, jutting into the lineup, amplifies the energy of passing swells, producing punchy, bowly rights that have a reputation for drawing Jakarta’s weekend warriors. Expect a saturated lineup on prime days, but with strategic timing and a keen eye on the tide clock, you can still find your share of clean, rippable walls. The magic happens with a healthy southwest swell, wrapping in from the south and west to break over an uneven reef. Wave heights typically hover between 3 to 5 feet, offering a challenging but rewarding ride for intermediate surfers. The dominant right-hander favors regular-footers, though lefts can pop up on the fringes. Best in north winds, the wave shape holds together across low, mid, and high tides, but it’s the low-tide barrels that steal the show—hollow and fast, with a shallow finish that demands commitment. Crowds are the price of admission here, especially on weekends and peak swell windows. Plan your sessions to dodge the peak hours, and aim for the outgoing tide, when the wave lines up best and the current lets you sit in the pocket with fewer hassles. It’s a classic West Java adrenaline fix—raw, crowded, and undeniably fun when you catch it right.
Best Surf Season & Climatology
Best Surf Season (December - March)
The Northwest Monsoon roars to life from December through March, delivering the highest percentage of offshore winds from the N to NW quadrant. During these months, the Indian Ocean churns out consistent SSW and S groundswell with average wave heights of 1.4 meters and periods exceeding 12 seconds – providing powerful, clean, and rippable waves. This is the prime window for world-class surfing at Cimaja, with glassy mornings and groomed lines that keep you in the water all day.
Fair Surf Season (April & November)
April and November act as transitional shoulders, where the wind patterns are shifting. In April the southeast trades start to build, dropping ideal wind to 35%, but the swell period peaks, offering long, powerful lines. November sees the trades relax and the northwest monsoon return, with ideal wind around 15% but increasing. Surf quality becomes more variable – expect clean dawn sessions mixed with afternoon onshore chop.
Low Surf Season (May - October)
From May through October, the southeast trade winds dominate the region, blowing steadily from the E to SE and ruining wave quality. Despite the largest and most powerful swell of the year – average heights from 1.6 up to 2.0 meters and periods over 14 seconds – the wind rarely blows offshore, with ideal conditions dropping below 10% in the peak months of June through September. The ocean is pumping, but the surface is often bumpy and difficult. This season is for the dedicated few who can find the brief windows of clean offshore flow.
Detailed Surf Information for Cimaja
Detailed Surf Forecast
Access our detailed 8-day swell and wind forecast charts for Cimaja with tidal graphs, period ranges, and daily forecast text summaries.
Swell & Wind Statistics
Explore historical swell consistency, wave heights, and offshore wind windows month-by-month, compiled from over 40 years of data.
Historical Surf Report
Browse the historical database archives to view past wave reports and understand spot climatology during specific years and months.
