Indonesia Sumatra Mainland Static Swell and Weather Maps
Four times a day, we generate maps of more than a dozen types. The following five are especially relevant for surfers. Click to zoom and see all forecast periods:
Looking for more info? Here are some more specialized maps for Indonesia Sumatra Mainland:
- Largest Swell Energy
- Secondary Swell Energy
- Wind Wave Energy
- Sea Temperature Anomaly – i.e. where the current reading deviates from the historical average.
In addition, there are maps of general weather in Indonesia Sumatra Mainland:
Alternatively, use our animated surf map of Indonesia Sumatra Mainland where you can toggle all these and more layers. Animated maps also display surf breaks, cities, weather stations and ski resorts' locations!
Kudos to everyone who helped us debug this over the past 3 months.
Be sure to click on the Advanced Surf option to see extra details about the sea-state. Look out for crossing swells and short period local wind swells and chop that will often spoil a groundswell even if the wind is perfect. As yet there is no allowance for this in the swell rating. This is something we are working on.
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