*  10 May 2024 The April 2024 Edition of Monthly Notices to Mariners, and Cumulative List Of South African Notices To Mariners 2024 are now available.
*  10 May 2024 The SAN HO3 updated version is now available.
     

Navigation Messages Currently in Force.

Summary

Complete Set of Messages

 Last updated on

21/05/2024

NB. This information is only updated during office hours 0730 -1600 Mon - Fri.
 

2024 Series

 

063   South Atlantic Ocean - NE Sector - Angola - Unlit Buoy.

064   South Atlantic Ocean – NE Sector - Offshore Namibia and RSA West Coast - Seismic Operations.

065   Indian Ocean SW Sector - Capsized Vessel.

091   South Atlantic Ocean - NE Sector - Offshore Angola - Meteo Buoy Reinstalled.

096   South Atlantic Ocean - NE Sector - Port of Walvis Bay - Jetty Construction.

097   Indian Ocean - SW Sector - Madagascar - Mahajanga and Harbour.

098   Indian Ocean - SW Sector - Madagascar - Anchoring and Trawling Prohibited.

099   South Atlantic Ocean - NE Sector - Angola - Mooring Buoys and FPSO.

100   South Atlantic Ocean - NE Sector - Port of  Lüderitz - Bottom Seabed Deployed.

101   South Atlantic Ocean - NE Sector - Offshore Angola - Drilling Operation.

104   South Atlantic Ocean - NE Sector - Port of Walvis Bay - Buoys.

105   South Atlantic Ocean - SE Sector - Vessel Sank.

139   South Atlantic Ocean - NE Sector - Port of  Lüderitz - Broken Loose Buoy.

148   Indian Ocean - SW Sector and Atlantic Ocean - SE Sector - Space Debris.

155   South Atlantic Ocean - NE Sector - Offshore Namibia - Lost Life Buoy.

156   South Atlantic Ocean and Indian Ocean - Rig List.

176   Message In Force.

178   South Atlantic Ocean - NE Sector - Offshore Orange River Mouth - Mining List.

 

 

 

 

 

 

 

21/05/2024

NB: This information is only updated during office hours 0730 -1600 Mon - Fri.

2024 Series

 

036   West Coast - Port of Saldanha - Temporary Buoys.

095   West  Coast - Saldanha  to Alexander Bay - Submarine Cable.

139   Namibia - Port of Walvis Bay - Buoy.

141   East Coast - Port Alfred - Light Unreliable.

142   South Coast - Offshore Cape Infanta - Buoy.

143   Namibia - Port of Lüderitz - Bottom Seabed Deployed.

144   West Coast - Saldanha  Bay - Off the Air.

145   West Coast - Saldanha  Bay - Sank Vessel.

146   South West Coast - False Bay - Whittle Rock Buoy.

147   East Coast - Offshore Cape Lucia - Light.

155   South West Coast - False Bay - Sunken Buoy.

156   South West Coast - False Bay - Buoy Removed.

160   South Atlantic Ocean - Offshore Alexander Bay - Drilling Operations.

191   West Coast - Saldanha  Bay - Leading Light.

194   Namibia - Port of Lüderitz - Broken Loose Buoy.

205   East Coast - Offshore East London - Lighthouse Unlit

214   West Coast - Offshore Robben Island - Vessel Sunk.

223   South Coast - Mossel Bay - Foghorn Not Operational.

225   South Coast - Struisbaai - Light Not Operational.

248   Southwest Coast - Offshore Dassen Island - Fishing Gear.

250   East Coast - Offshore Richards Bay - Underwater Cable Operations.

252   Southwest Coast - Offshore Cape Town - Vessel Sunk.

253   Namibia and RSA West Coast - Offshore Orange River Mouth - Mining Vessels.

254   Southwest Coast - Cape Point - Lighthouse Unlit.

255   Southwest Coast - Light Unlit.

256   Message in Force.

257   Southwest Coast - Saldanha - Buoy drifting.

258   South Coast - Offshore Plettenberg Bay - Towing.

 

 


 

 

 

 

  

 

Reporting of Navigational Hazards

  • Changes observed at Sea by Mariners navigating beyond Harbours Reporting Form.

  • Changes observed by Mariners concerning Ports and Harbours Reporting Form.


Tide Tables for South Africa and Namibia

The South African Tide Tables may not be reproduced without written permission, as it is copyrighted to the South African National Hydrographer, SA Navy.

This page allows you to select the current month's tidal information for any of the tidal ports listed.  Please select a port from the drop-down list provided on the map below.  Please ensure your pop-up blocker is deactivated to allow the file to open.

 

  

© This information is copyrighted to The Hydrographer, SA Navy. All information produced by the SA Navy Hydrographic Office is a product and is subject to the Copyright Act, 1978 (Act No. 98 of 1978, as amended up to Copyright Amendment Act 2002), the Hydrographic Bill of 2018, the South African Spatial Data Infrastructure Act, 2003 (Act No. 54 of 2003) the Policy on Pricing of Spatial Information Products and Services (2015) and the Promotion of Access to Information Act, 2000.

Tide Theory (pdf 847.36 KB)


Heights of Chart Datum Relative to Land Levelling Datum in South Africa and Namibia

Port

Up to
 31 Dec 1978

1 Jan 1997
to
31 Dec 1997
1 Jan 1998
to
31 Dec 2002

 1 Jan 2003
onwards

Walvis Bay -0.913 -0.900 -0.966 -0.966
Lüderitz -0.865* -0.900 -0.935 -1.055
Port Nolloth -0.718* -0.900 -1.075 -0.925
Saldanha -0.582 -0.900 -0.975 -0.865
Cape Town -0.829 -0.900 -0.975 -0.825
Simon's Town -0.651 -0.900 -1.003 -0.843
Hermanus -0.619 -0.900 -0.978 -0.788
Mossel Bay -0.761 -0.900 -1.163 -0.933
Knysna -0.625 -0.900 -1.048 -0.788
Port Elizabeth -0.838 -0.900 -1.026 -0.836
East London -0.762 -0.900 -1.006 -0.716
Durban -0.838 -0.900 -1.113 -0.913
Richards Bay -0.900 -0.900 -1.205 -1.015

* In use until 1 January 1994