# Greymouth (NZ GMN)

**UN/LOCODE:** NZ GMN  
**Country:** New Zealand  
**Water Body:** Tasman Sea; South Pacific Ocean  
**Harbor Size:** Very Small  
**Harbor Type:** River (Natural)  
**GPS:** -42.4333, 171.2167

Until the 1950s, Greymouth was a working coal harbour, shipping high-quality West Coast bituminous coal around New Zealand in small colliers. That era has passed: the river port at the mouth of the Grey River now handles only domestic traffic and has no facilities for international liner shipping, with export coal railed instead to Lyttelton. Vessels cross a bar between two breakwaters to reach the river wharves, while the regional fishing fleet berths in the Erua Moana Lagoon. Maximum dimensions are modest – around 109 m length, 15.2 m beam and 5.5 m draught – suiting coastal craft and fishing boats rather than cargo ships. Freight forwarders needing container handling, customs clearance or international breakbulk should route through Lyttelton or Nelson instead.

## Transit Times & Routes

- [Auckland → Shanghai](https://www.freight-academy.com/en/transit-time/auckland-shanghai)
- [Auckland → Shenzhen](https://www.freight-academy.com/en/transit-time/auckland-shenzhen)
- [Auckland → Guangzhou](https://www.freight-academy.com/en/transit-time/auckland-guangzhou)
- [Auckland → Hong Kong](https://www.freight-academy.com/en/transit-time/auckland-hong-kong)
- [Auckland → Tokyo](https://www.freight-academy.com/en/transit-time/auckland-tokyo)
- [Auckland → Busan](https://www.freight-academy.com/en/transit-time/auckland-busan)

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*Freight Academy — Seaport Profile: [https://www.freight-academy.com/en/information/seaports/greymouth-port-nz-gmn](https://www.freight-academy.com/en/information/seaports/greymouth-port-nz-gmn)*

*Markdown mirror: [https://www.freight-academy.com/api/md/seaports/en/greymouth-port-nz-gmn](https://www.freight-academy.com/api/md/seaports/en/greymouth-port-nz-gmn)*

*LLM-Summary (JSON): https://www.freight-academy.com/api/v1/seaports/greymouth-port-nz-gmn/llm-summary?lang=en*