Surf GuideMentawai Islands
4 Bobs
4 Bobs is a central Mentawai reef left known as Bob City and Spankers, with a long wall and a low-crowd lineup. Get the latest surfing conditions, forecast, and tide details for 4 Bobs in Mentawai Islands.
Break TypeReef Break
Skill LevelIntermediate
LocationMentawai Islands, ID
Live updates:
Spot Guide
Lineup Insights
🌊
The Wave
Best on southwest swell with east to northeast offshore winds.
Check the live tide windows in the app to time your session perfectly.
🏄
Lineup Guide
The reef handles rising and falling tides, and the inside section still deserves care.
Respect the local peak and watch for submerged hazards during lower tidal stages.
Deep Dive
Get the full picture in WaveWise.
Stop guessing and start surfing. WaveWise analyzes live data to find your best upcoming sessions so you spend less time planning and more time paddling out.
Hourly swells, wind & weather
Live tide windows & daylight
Session Finder ranking
Explore