Conditions · Official information
Surf & travel,
with coastal context.
A planning view of active official BMKG alerts near Indonesia’s priority surf corridors. Always follow local authority guidance.
01Read the coastline
Look beyond a single alert.
Official notices matter most in context: the coast, the route ahead, and the forecast you check before leaving.
Indonesia coastline · visual planning context
02Recent official activity
Build context over time.
Recent BMKG records around priority surf regions—magnitude, depth, epicentre, and map when coordinates are published. Context only, not a complete archive.
Epicentre
Earthquake · 4 Sept 2026, 12.04 WIB
BMKG earthquake: 77 km Southeast of Cilacap, Central Java
M 5.4 · 10 km · No tsunami potential.BMKG sourceEpicentre
Earthquake · 22 Aug 2026, 00.41 WIB
BMKG earthquake: 170 km Southwest of Sumur, Banten
M 5.8 · 10 km · No tsunami potential.BMKG source
03Regional context
Read alert context by destination.
Each page combines visible official information with clearly labelled, non-official Ombak planning context.
Map · monitored surf corridors
Official BMKG monitoring context →
No active monitored alertJavaOfficial BMKG monitoring context →
No active monitored alertLombokOfficial BMKG monitoring context →
No active monitored alertMentawaiOfficial BMKG monitoring context →
No active monitored alertNiasOfficial BMKG monitoring context →
No active monitored alertSumbawaOfficial BMKG monitoring context →
Coverage note
Use this as planning context, not a safety clearance.
Monitored: selected BMKG marine, weather, and earthquake sources. Not monitored: beach closures, ferry or flight disruption, and every local hazard. Follow local authority guidance.