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
Small
Max vessel size
Medium vessels
Mean tidal range
2 m
Depths (WPI class · approx)
Channel
~31–35 m
Anchorage
~17–20 m
Cargo pier
~31–35 m
Oil terminal
~35–38 m

This is a WPI depth class, not a precise sounding — use current nautical charts for maneuvering.

Entrance conditions:No restrictions