Ports
Small
Hannan Ko🇯🇵
Japan34.47°N · 135.35°E
Data: NGA World Port Index (2019) · not a substitute for current nautical charts.
📍 Hannan Ko 34.47°N · 135.35°E
Chart · NGA WPI
Size & capacity
Port size
SmallMax vessel size
Medium vesselsMean tidal range
2 mDepths (WPI class · approx)
Channel
~31–35 mAnchorage
~17–20 mCargo pier
~31–35 mOil terminal
~35–38 mThis is a WPI depth class, not a precise sounding — use current nautical charts for maneuvering.
Entrance conditions:No restrictions