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    • Publications
      • Hong Kong Chart 1
      • Hong Kong Harbour Facilities & Layout (HK3501)
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  • Services
    • DGPS - Correction Service
    • Real Time Tide
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    • Ma Wan Transit Tidal Window (Interactive Version)
    • Tidal Stream Prediction System
  • Notices To Mariners
    • NMs for Paper Charts
    • e-NMs for HKENC
  • Useful Information
    • Datum Transformation
    • Hydrographic Surveying
  • Contact Us
  • Welcome to Hong Kong Hydrographic Office

  • Welcome to Hong Kong Hydrographic Office

What's New

DGPS service from Kau Yi Chau resume normal.

(Date of Issue: 5 September 2025)

The Hong Kong Harbour Facilities & Layout (HK3501) 2025 is available now.

(Date of Issue: 19 June 2025)

The Charts for Local Vessels 2025 is available now.

(Date of Issue: 13 January 2025)

The 6th edition of Hong Kong paper chart HK1501 is available now.

(Date of Issue: 30 December 2024)

DGPS service from Kau Yi Chau resume normal.

(Date of Issue: 12 September 2024)

The 7th edition of Hong Kong paper chart HK1502 is available now.

(Date of Issue: 29 December 2023)

Latest Notices to Mariners

Latest Notices to Mariners (NM)

Date: 2025-09-12
Issue No.: 19

Latest ENC Notices to Mariners (eNM)

Date: 2025-09-05
Issue No.: 18_2025

Real Time Tide
East Asia Hydrographic Commission
Electronic Navigational Charts
Hong Kong Marine Department
  • Site Map

    • What's New
    • About Us
    • Products
      • Paper Charts
      • Electronic Navigational Charts
        • Technical Information
        • Coverage & Specifications
        • Subscription
        • Licence Agreement & Registration
        • User Area
        • Useful Links
      • eSeaGo App
      • Publications
        • Hong Kong Chart 1
        • Hong Kong Harbour Facilities & Layout (HK3501)
        • Charts for Local Vessels
      • Miscellaneous Plans
      • Products Price
      • Sales Outlets
      • Mail Order
    • Services
      • DGPS - Correction Service
      • Real Time Tide
      • Ma Wan Transit Tidal Window
      • Ma Wan Transit Tidal Window (Interactive Version)
      • Tidal Stream Prediction System
    • Notices To Mariners
      • NMs for Paper Charts
      • e-NMs for HKENC
    • Useful Information
      • Datum Transformation
      • Hydrographic Surveying
    • Contact Us
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