maritime safety information (MSI) publications

Updated on 16 March 2026

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MSI pubs
IssueTitleDate
WMO-No. 558Manual on Marine Meteorological Services - Volume I — Global Aspects: Annex VI to the WMO Technical Regulations2024
WMO-No. 471Guide to Marine Meteorological Services2024
MSC.468(101)/A.705(17)Promulgation of Maritime Safety Information14 June 2019
MSC.470(101)/A.1051(27)IMO/WMO Worldwide Met-Ocean Information and Warning Service – Guidance Document14 June 2019
MSC.469(101)/A.706(17)World-Wide Navigation Warning Service14 June 2019
MSC.1/Circ.1310/Rev.2Joint IMO/IHO/WMO Manual on Maritime Safety Information24 June 2024
MSC.1/Circ.1403/Rev.2NAVTEX Manual28 Nov. 2022
MSC.1/Circ.1364/Rev. 2International SafetyNET Services Manual11 Nov. 2020
MSC.1/Circ.1613/Rev.2Iridium SafetyCast service manual5 July 2023
JCOMM TD.98Operations Handbook for METAREA CoordinatorsOct 2023
MSC.1/Circ.1610/Rev.1Descriptions of Maritime Services in the context of E-Navigation24 June 2024
A.1203(34)Criteria for the provision of mobile satellite communication systems in the Global Maritime Distress and Safety System (GMDSS)5 Dec. 2025
A.1202(34)Charges for distress, urgency, and safety communications through recognized mobile satellite services in the Global Maritime Distress and Safety System (GMDSS)5 Dec. 2025


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