Ports
Small

Katsunan Ko🇯🇵

Chiba · Japan35.67°N · 139.98°E
Data: NGA World Port Index (2019) · not a substitute for current nautical charts.
📍 Katsunan Ko 35.67°N · 139.98°E
Chart · NGA WPI
Size & capacity
Port size
Small
Max vessel size
Large vessels
Mean tidal range
9 m
Depths (WPI class · approx)
Channel
~31–35 m
Anchorage
~24–27 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:Other