Small

Portsmouth🇺🇸

New Hampshire · United States43.08°N · 70.75°W

Data: NGA World Port Index (2019) · not a substitute for current nautical charts.

📍 Portsmouth 43.08°N · 70.75°W

Chart · NGA WPI

Size & capacity

Port size

Small

Max vessel size

Large vessels

Mean tidal range

8 m

Depths (WPI class · approx)

Channel

~35–38 m

Anchorage

~9–13 m

Cargo pier

~35–38 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