Ports
Small

Niihama🇯🇵

Ehime · Japan33.98°N · 133.28°E
Data: NGA World Port Index (2019) · not a substitute for current nautical charts.
📍 Niihama 33.98°N · 133.28°E
Chart · NGA WPI
Size & capacity
Port size
Small
Max vessel size
Large vessels
Mean tidal range
3 m
Depths (WPI class · approx)
Channel
~42–46 m
Anchorage
~13–17 m
Cargo pier
~24–27 m

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

Entrance conditions:No restrictions